FLUKE CORPORATION Patent applications |
Patent application number | Title | Published |
20160116506 | FLEXIBLE CURRENT SENSOR - Apparatus and methods for measuring current flowing through a conductor include a device comprised of a magnetically conductive loop having a plurality of strands and a magnetic field sensor. Each strand has a magnetically conductive material. The strands are configured to pass a magnetic field to a first magnetic field sensor that is positioned adjacent to an end of the first plurality of strands. The plurality of strands may be arranged in various patterns that allow the magnetically conductive loop to be more bendable or flexible than a current-clamp device. | 04-28-2016 |
20160084895 | DETECTING, LOCALIZING AND RANKING COPPER CONNECTORS - A method for detecting failures in electrical cable assemblies is provided. A cable test instrument obtains frequency domain data representing electrical characteristics of a cable link under test. A number of connectors in the cable link under test is determined based on the obtained frequency domain data. An estimated location of each of the connectors along the length of the cable link under test is determined by the cable test instrument. The connectors are ranked in accordance with their respective contribution to detected failures in the cable link under test. | 03-24-2016 |
20150281024 | METHOD AND APPARATUS FOR TESTING AND DISPLAYING TEST RESULTS - A test instrument provides suggested next operational step function to provide a user with assistance during testing. A display is provided to show the amount of a project that has been completed, for example as a percentage completed value. Individual test results may be saved to a “fix later” list, which may be later accessed to re-test items that may not have passed on initial testing. | 10-01-2015 |
20150271071 | METHODS AND APPARATUS TO DETERMINE NETWORK DELAY WITH LOCATION INDEPENDENCE - The techniques disclosed herein determine a location independent network delay via a network monitoring device. Such techniques particularly include determining various delays such as a zero window delay, an advertised window delay, and a congestion window delay (including slow start delays). | 09-24-2015 |
20150271041 | Methods and apparatus to determine network delay with location independence from retransmission delay and application response time - The techniques disclosed herein determine a location independent network delay, via a network monitoring device. Such techniques particularly include determining various delays caused by retransmission in instances of lost data segments and application response time. | 09-24-2015 |
20150189709 | STABILITY OF AN OPTICAL SOURCE IN AN OPTICAL NETWORK TEST INSTRUMENT - A self-contained calibration method for improving stability of an optical source in an optical network test instrument includes performing a temperature sweep test of the optical source. Optical output power of the optical source is periodically measured. A temperature correcting value is generated based on the measured optical output power. The optical output power of the optical source is adjusted by applying the temperature correcting value to obtain a substantially constant optical output power of the optical source. | 07-02-2015 |
20150185251 | WIRELESS TEST MEASUREMENT - An installation test system has a control device and one or more hand-held test devices. The control device and the one or more hand-held devices are in wireless communication via respective communication systems. The control device performs typical pre-power tests including insulation testing and ground testing. There is at least one hand-held device dedicated to testing for residual current in circuit breakers and another hand-held device dedicated to testing for loop impedance. The control device records all test data and stores data in storage. | 07-02-2015 |
20150133062 | Wireless Transmitter Network Analysis Tool - A handheld wireless transmitter network analysis tool has a transceiver for detecting wireless signals from a transceiver of a smart device used in an automated process control. The tool has a processor with program modules for analyzing the spectrum of received wireless signals and noise. Another memory module includes a device description protocol program for reading tag and primary variable data carried by the wireless signals from smart device. The network tool displays the frequency and spectrum of the wireless signal from smart device, the tag and primary variables for device, the signal to noise ratio and the possible identity of the sources of noise. | 05-14-2015 |
20150121187 | METHOD TO VISUALIZE END USER RESPONSE TIME - A method for visual representation of EURT is provided. Measurements of performance parameters are collected. Each of the performance parameters corresponds to at least one performance problem domain. The performance parameters include at least a first, second and third parameters. A correlation between at least two of performance parameters is determined. A first graph having a first region representing the first parameter and having a second region representing the second parameter is presented to a user. The first and second regions extend in substantially opposing directions. A second graph representing the third parameter based on the determined correlation between data elements falling within each of the respective performance problem domains is simultaneously presented to the user. The first, second and third parameters are components of the EURT. | 04-30-2015 |
20150117244 | METHODS TO VISUALIZE TIME-ALIGNED DATA FLOW BETWEEN NODES IN A COMMUNICATION NETWORK - Disclosed herein are techniques for improved network management, including improved visualization of network events. According to one embodiment, a network monitoring node receives performance data corresponding to at least one network parameter for a network path between a source node and a destination node, and receives a user-specified time period. The network monitoring node further determines a time associated with the performance data, and aligns the performance data according to the associated time and the at least one time index for each node in the network path. The network monitoring node simultaneously presents the performance data for each network node in the network path aligned according to the associated time and the at least one time index for the user-specified time period. | 04-30-2015 |
20150092574 | DETECTING THE PRESENCE OF ROGUE FEMTOCELLS IN ENTERPRISE NETWORKS - A method for determining the presence of a femtocell in a network includes capturing a baseline sample for the network. The baseline sample includes a plurality of measurements taken across a plurality of downlink radio frequency (RF) bands within the network. The network is monitored to identify an RF signal having a signal strength value exceeding a predetermined threshold. The identified RF signal is compared with the captured baseline sample. The presence of the femtocell in the network is determined based on a determination that the identified RF signal does not match any of the plurality of measurements contained within the baseline sample. | 04-02-2015 |
20150087242 | SYSTEMS AND METHODS FOR ACTIVE CELLULAR TRANSCEIVER ANALYSIS FOR HARMFUL PASSIVE INTERMODULATION DETECTION - Described herein is a system and method for detecting intermodulation distortion (IMD), such as passive intermodulation (PIM) signals, that are being generated by an active cellular transceiver. One such system may include a diagnostic module that detects signals emitted by an active cellular transceiver that has at least two active signals. The detected frequencies of the active signals are compared against potential PIM frequencies to identify potential PIM signals, and the results of this comparison will be analyzed statistically to generate a confidence value in the identification of potential PIM signals. | 03-26-2015 |
20150086194 | HANDS-FREE OPTICAL FIBER TESTING USING OPTICAL LOSS TEST INSTRUMENT - A method for testing the operation of an optical fiber cable in a communication network using an optical loss test set (OLTS) instrument includes receiving a range of identifiers of fibers to be tested. Identifiers of a first fiber set to be tested are displayed. The first fiber set comprises one or more fibers. The first fiber pair is included in the range. The first fiber pair is a next fiber pair to be tested. A determination is made whether the first fiber set is connected to the OLTS instrument. In response to determining that the first fiber set is connected to the OLTS instrument, a test of the first fiber set operation is performed using the OLTS instrument. Identifiers of a second fiber set are displayed. The second fiber set is included in the range and constitutes a next fiber set to be tested. | 03-26-2015 |
20150062562 | OPTICAL FIBER TESTING USING OTDR INSTRUMENT - A method for testing the operation of an optical fiber cable in a communication network using an optical time domain reflectometer (OTDR) instrument includes receiving a range of identifiers of fiber sets to be tested. Identifiers of a first fiber set are displayed. The first fiber set is included in the range and constitutes a next fiber set to be tested. A determination is made whether the first fiber set is connected to the OTDR instrument. In response to determining that the first fiber set is connected to the OTDR instrument, a test of the first fiber set is performed using the OTDR instrument. Identifiers of a second fiber set are displayed. The second fiber set is included in the range and constitutes a next fiber set to be tested. | 03-05-2015 |
20150054689 | DIRECTION OF ARRIVAL DETERMINATION FOR A RADIO SIGNAL - At least two input signals, each characterizing a radio signal having a radio frequency (RF), are received. The input signals are converted into at least three output signals. The output signals have a unique combination of corresponding magnitudes for each RF phase difference between the input signals. A set of magnitudes corresponding to the output signals is measured using a mobile measuring device. An RF phase angle value is determined based the measured set of magnitudes. The RF phase angle value is converted into an angle value indicative of the direction of arrival of the radio signal. | 02-26-2015 |
20150042355 | Cable System and Test Cable Therefore - An earth ground testing cable is configured to electrically couple an electrode to a measurement unit. The cable may comprise an outer surface having at least a first marking and a second marking. The first marking and the second marking define a segment of cable having a length that corresponds to a spacing distance between the electrode and at least one other electrode for performing an earth ground test. The spacing distance may be determined based on electrical interference properties of a measurement unit and the one or more electrodes. The ground earth testing cable may be part of a system and may be used to determine positioning for electrodes. The cable may also couple an electrode to the testing unit, so that an earth ground reading is determined. | 02-12-2015 |
20150029220 | DETECTING AND VISUALIZING WIRELESS NETWORK DEVICES IN COMMUNICATION NETWORKS - There is provided techniques for improved visualization of wireless devices in a communication network. The techniques include receiving, via an identification device, real-time display data, determining, via the identification device, a location of a network device and displaying, via a display of the identification device, the real-time display data and an indication of the location of the network device relative to the real-time display data. | 01-29-2015 |
20140340101 | METHOD AND APPARATUS FOR DETERMINING WIRE RESISTANCE - A method and apparatus qualifies a conductor for service and determines imbalance resistance of a conductor. The method and apparatus comprises feeding signals from a controller to termination ends of at least three wires of a conductor. In the controller a resistance difference is determined between first and second wires of the conductor using a measured resistance of one of the three conductor wires as a reference value. The conductor is qualified for services when the resistance difference between the first and second wires is below a threshold. | 11-20-2014 |
20140329469 | LOCATION BASED CARRIER AND TECHNOLOGY SPECIFIC SPECTRUM ANALYSIS - There is provided a network test apparatus that determines a geographic location, determines one or more carriers operating within one or more frequency bands for the determined geographic location, and displays, in response to the determined geographic location, each carrier operating at one or more frequency bands at the determined geographic location. | 11-06-2014 |
20140310604 | NETWORK TEST INSTRUMENT - A method and apparatus (e.g., network test instrument) for presenting network device diagnostic information in which a listing of network devices discovered via a first network connection (e.g., wirelessly—802.11) to a test network is presented in a GUI of a network diagnostic instrument. Acquired network diagnostic information for a network device selected from the listing of network devices is then presented in the GUI wherein the presented network diagnostic information is acquired via the first network connection (e.g., wirelessly—802.11). Indication (and a link thereto) is provided in the GUI indicating network diagnostic information for the selected network device was also acquired via a second network connection to the test network (e.g., via a wired connection—802.3). | 10-16-2014 |
20140294054 | PREQUALIFICATION OF VECTORING BEFORE IMPLEMENTATION - A prequalification determination is made on a DSL line to predict the bit rate improvement that might be accomplished by implementation of vectoring, providing information to use in determining whether or not to implement vectoring. Overall noise is measured on the line, along with FEXT noise, and the FEXT noise is subtracted from the overall noise, and the resulting value is employed to determine a predicted bit rate, providing an indication of the potential bit rate if vectoring is implemented. | 10-02-2014 |
20140282928 | METHOD TO ENABLE MOBILE DEVICES TO RENDEZVOUS IN A COMMUNICATION NETWORK - There is provided a method to enable mobile devices to rendezvous on a shared communication service. The method includes steps for creating, via a device, a shared username and a shared password for a private channel in a communication network, determining a unique channel identification (ID) for the private channel based on the shared username and the shared password, and configuring the device with the shared username and the shared password. The method further includes steps for subscribing the device to the private channel using the unique channel ID, transmitting, in response to a discovery request, a self-identification discovery response over the private channel, and broadcasting data between the device and each additional device connected to the private channel. | 09-18-2014 |
20140279443 | Remote Sharing of Measurement Data - A method, system, and computer-readable medium for sharing measurement data with a remote device includes establishing, by a mobile computing device at an equipment site, a first communication connection with a measurement device that is configured to measure data with respect to equipment at the equipment site. The mobile computing device receives measurement data by way of the first communication connection. While remaining at the equipment site, the mobile computing device receives a request to share the measurement data with a selected contact via a remote device. In response, a second communication connection is established with the remote device, the measurement data to be shared is identified, and the identified measurement data is communicated to the remote device for review by the selected contact. Prior to establishing a communication connection with the remote device, permission to communicate the measurement data to the selected contact may be obtained from a gatekeeper. | 09-18-2014 |
20140278259 | CAPTURE AND ASSOCIATION OF MEASUREMENT DATA - A method and system for capturing and annotating measurement data includes communicatively connecting a mobile computing device to one or more measurement devices, and receiving measurement data from the one or more measurement devices. The mobile computing device stores the received measurement data and annotates the stored measurement data with metadata. The metadata includes group identifying information that associates the stored measurement data with other data having similar group identifying information. In at least one embodiment, measurement data is automatically associated with the group identifying information based on the measurement data being captured within a predetermined amount of time of each other or within a predetermined distance of each other as determined by a positioning system. The metadata may include, for example, one or more of a time, a location, a test point, a work order, a task list, a job instruction, a technician identifier, a text note, a voice note, an image, a video, and an image annotation. | 09-18-2014 |
20140270546 | UNIFIED DATA COLLECTION AND REPORTING INTERFACE FOR EQUIPMENT - A method and system for comparing measurements of a device under test (DUT) to measurements taken of similar equipment are provided. The method includes communicatively connecting a mobile computing device to one or more measurement devices, and receiving measurement data from the one or more measurement devices. The mobile computing device determines an equipment identifier of the DUT, and retrieves information associated with the equipment, which may include previous measurements of other devices or reference documents. The mobile computing device presents the retrieved information along with the received measurement data for comparison. | 09-18-2014 |
20140269748 | METHOD AND APPARATUS HAVING IMPROVED LINE RATE IP PACKET COMMUNICATION - An apparatus having improved line rate communication. A Media Access Controller (MAC) accesses each reference pointer stored in transmission slots of a first sub-queue of a transmission queue. Notably, each reference pointer is indexed to a shared memory frame. The MAC transmits data from the shared memory frame in response to accessing the reference pointer, and triggers at least one interrupt when each reference pointer of the first sub-queue is accessed at least once. A processor and/or the MAC can mark in response to the at least one interrupt, each transmission slot of the first sub-queue as ready for transmission. | 09-18-2014 |
20140267879 | FOCUS ASSEMBLY FOR CAMERA - A method and apparatus for adjusting the focus of a camera. A rotatable focus member, when rotated, effects movement of an indicator element. The position of the indicator element is sensed by a sensing element and is passed to a controller within the camera. The controller prompts a motor to drive a focusing element of the camera in response to changes in the sensed position of the indicator element. The focus member effects movement of the indicator element by way of rolling resistance as opposed to sliding friction, allowing for more consistent and controlled manipulation. | 09-18-2014 |
20140267765 | VISIBLE AUDIOVISUAL ANNOTATION OF INFRARED IMAGES USING A SEPARATE WIRELESS MOBILE DEVICE - A smart phone user captures video and still images of a motor and makes a sound recording of his observations. The images and recordings are tagged with a date/time stamp, a serial number, bar code, matrix code, RFID code, or geolocation and sent wirelessly to an infrared camera. The infrared camera has a collocation application that reads the tag and creates a folder which holds the infrared image and the auxiliary information from the smartphone related to an asset. The collocation program also adds icons to the infrared image. By operating the user interface (not shown) of the infrared camera, the user may select an icon to view the images and listen to the sound recording. | 09-18-2014 |
20140267753 | Measurement System With Image Capture Capabilities - In at least one embodiment, a mobile measurement system includes a handheld device, a measurement device, and an optical sensing device. The measurement device and the optical sensing device are communicatively coupled to the handheld device. The handheld device receives measurement data that comprises at least one measured electrical parameter corresponding to a physical property of an external system. The measurement device generates measurement data that corresponds to a period of time. The measurement device communicates the generated measurement data to the handheld device. The optical sensing device generates optical data corresponding to an interface of the measurement device and the external system where the measurement data is being generated. The generated optical data corresponds to a particular time within the measurement period of time. The mobile measurement system associates and stores the generated optical data for the particular time with measurement data corresponding to the period of time. | 09-18-2014 |
20140267353 | THERMAL IMAGE ANIMATION - Animation of a thermal image captured by a thermal imager that includes automatically changing particular aspects of the presentation of the image. The coloring of the thermal image may automatically change through two or more color presentations. The colors which may automatically change or be “animated” may be any colors in the usual rainbow of color or in the greyscale. The animation may include a series of small, stepwise incremental changes that gradually change the image. If timed correctly and if the increments are sufficiently small, the transitions of the image may appear smooth, in the manner of a movie or cartoon. | 09-18-2014 |
20140267296 | Automated Combined Display of Measurement Data - A computer-implemented method, system, and computer-readable medium for automatically generating a combined display of measurement data representing a combined measurement, such as a multiphase parameter, includes establishing, by a mobile computing device, communication connections with a plurality of measurement devices configured to generate measurement data. The mobile computing device receives the measurement data generated by the plurality of measurement devices, and in response to information indicative of the measurement data representing related parts of a combined measurement, the mobile computing device automatically groups the measurement data received from the measurement devices and automatically displays the grouped measurement data in a combined display that shares at least one axis of measurement. In at least one embodiment, the combined measurement is a multiphase parameter, such as a three-phase electrical parameter, and the combined display is a graph in which the measurement data shares at least one axis of measurement, such as time. | 09-18-2014 |
20140266765 | AUTOMATIC RECORDING AND GRAPHING OF MEASUREMENT DATA - A method and system for capturing measurement data from a measurement device using a mobile computing device is provided. A mobile computing device is communicatively connected to one or more measurement devices, and receives measurement data from the one or more measurement devices. The mobile computing device stores the received measurement data. In some embodiments, the measurement devices have less storage space than the mobile computing device, and so the mobile computing device is capable of storing more measurements than the measurement devices are capable of storing. The mobile computing device is also capable of presenting the stored measurement data as a graph of a time series of values, which would not be possible using only the measurement device given its smaller memory. | 09-18-2014 |
20140260639 | Vibration Sensor In A Portable Vibration Meter - A vibration detector suitable for field use and associated systems and methods are disclosed. A representative apparatus includes a vibration sensor in contact with the vibrating structure. The vibration sensor can be in contact with the vibration isolators to eliminate the frequencies of the operator's hand. In some embodiments, a contact force between the vibration sensor and the vibrating structure can be measured using, for example, contact resistors. Since the sensitivity of the vibration sensor can be a function of the contact force, the vibration amplitude measurements can be adjusted for a known contact force to improve the precision of the vibration amplitude measurement. | 09-18-2014 |
20140247063 | Earth Ground Tester With Remote Control - Methods and apparatuses for measuring earth ground resistivity are provided. A main unit can be configured to couple to each of a plurality of electrodes over a respective wire, perform a resistance measurement over the plurality of electrodes, and transmit an induction signal over one or more of the respective wires indicating a representation of a resistance value calculated as part of the resistance measurement. A remote unit can be configured to detect the induction signal over the one or more of the respective wires using an inductance mechanism, process the induction signal to determine the representation of the resistance value, and render the representation of the resistance value on an interface of the remote unit. | 09-04-2014 |
20140218817 | VIEWING WINDOW ASSEMBLY FOR SINGLE-SIDED INSTALLATION - An assembly and method for installing a viewing window into a single hole in a panel of an enclosure from a single side. A viewing window assembly comprises actuators and attachment members configurable to allow the attachment members to pass through a hole in a panel from a front side. Upon actuation of the actuators, the attachment members may engage one or both of the back surface of the panel and the inner edge of the hole therein in order to secure the window assembly to the panel. | 08-07-2014 |
20140211201 | FIBER FAULT SNIFFER - A fault detector for fiber optic cabling is provided in a hand held device for detecting fiber faults, presence/absence of signal and wavelength of light present on an optical fiber. Audible and visual indicators of the fault/status and wavelength are provided. | 07-31-2014 |
20140211200 | MULTI-LIGHT FIBER SOURCE FOR FIBER END-SURFACE INSPECTION - A fiber end-surface inspection device and method illuminates the fiber end-surface from at least 2 different illumination angles, taking observations at the different angles, for detection of fiber end-surface imperfections, scratches or the like. | 07-31-2014 |
20140198671 | METHOD AND APPARATUS TO DYNAMICALLY SAMPLE NRT USING A DOUBLE-ENDED QUEUE THAT ALLOWS FOR SEAMLESS TRANSITION FROM FULL NRT ANALYSIS TO SAMPLED NRT ANALYSIS - A network round trip time measurement apparatus and method employ an allocated storage in the form of a double ended queue, to store data received while awaiting a corresponding receipt of data to allow the network round trip time to be determined. When the allocated size of the storage is exceeded, storage stops until such time as data is received to allow network round trip time to be determined on at least some of the already stored data, whereupon storage can resume. This allows use in high and low volume traffic situations to automatically scale back the amount of data processed, so as to not overtax available resources. | 07-17-2014 |
20140198217 | SHUTTER FOR THERMAL IMAGING CAMERA - Various embodiments of shutters for thermal imaging cameras, cameras comprising such shutters, and methods for providing such shutters are disclosed. The shutter may include a substrate with various layers and components thereon, such as a temperature sensor. The shutter may resemble a printed circuit board (PCB), utilizing efficient, cost-effective materials and methods known in the art. | 07-17-2014 |
20140189520 | DIGITAL CHECKLIST - A digital checklist system includes an electronic calibration and measurement device and a computer-readable medium having computer-executable instructions stored thereon that, if executed by one or more processors of a computing device, cause the computing device to perform actions for managing a digital checklist The actions include creating a digital checklist having at least one unique prompt, selecting the digital checklist for uploading onto the electronic calibration and measurement device, and downloading data input into the electronic calibration and measurement device in response to the at least one unique prompt. The system further includes a network location for facilitating communication between the electronic calibration and measurement device and the computing device. | 07-03-2014 |
20140184805 | THERMAL CAMERA AND METHOD FOR ELIMINATING GHOSTING EFFECTS OF HOT-TARGET THERMAL IMAGES - Various apparatuses and methods for compensating for ghosting effects in thermal imaging devices are disclosed. Offsets in thermal image data due to ghosting effects on thermal sensors may be modeled, predicted, and/or eliminated by various embodiments of the present invention. These models may be time-varying to compensate for dynamic offset behavior, and may be based on formulas, lookup tables, or the like. Predicted offset amounts may be compensated for in various ways in order to produce more accurate thermal image data free from accumulated offset. | 07-03-2014 |
20140176725 | THERMAL IMAGER THAT ANALYZES TEMPERATURE MEASUREMENT CALCULATION ACCURACY - A method and computer program product for determining whether an object of interest can have its temperature measurement calculated by a thermal imaging camera. To do this, the measurement IFOV is converted into linear units. The measurement IFOV may be displayed on the display of the camera as a graphical indicator ( | 06-26-2014 |
20140160948 | OTA MOBILE DEVICE CLASSIFICATION - A system, method and device for classifying mobile devices based on frame characteristics and frame content provides a network administrator the ability to better understand actual network use by BYOD (bring your own device) type users, which are becoming more common, giving the ability to better understand actual use beyond the planned for stations factored into a wireless network design. | 06-12-2014 |
20140160299 | Infrared Sensor Amplification Techniques for Thermal Imaging - Thermal imaging devices, systems, and methods are provided with IR sensor amplification techniques that in some cases provide a gain transfer function having at least two different gain regions. One thermal imaging camera includes an IR camera module, processing circuitry, and an amplifier stage that comprises a continuous gain function including at least two gain regions having different gains. In some cases a thermal imager is provided with saturation circuitry configured to reduce the gain of the amplifier stage in order to provide one of at least two different gain regions within the continuous gain function. In some cases amplification techniques provide a continuous gain function that includes both linear and nonlinear gain regions. One or more gain regions may further be calibrated for measuring temperature. | 06-12-2014 |
20140160298 | CAMERA AND METHOD FOR THERMAL IMAGE NOISE REDUCTION USING POST PROCESSING TECHNIQUES - Devices and methods for generating infrared (IR) images with improved quality are disclosed. In embodiments of the invention, temporal averaging techniques are used to reduce temporal noise that may be present in thermal images. This is especially useful in low-contrast thermal scenes, where a relatively small amount of thermal noise may become exceedingly prevalent. In order to average properly, some embodiments of the invention provide methods or means for aligning multiple images that are to be averaged together to eliminate inaccuracies and misrepresentations that may result from averaging misaligned images. | 06-12-2014 |
20140153606 | HIGH TEMPERATURE FURNACE HAVING RECONFIGURABLE HEATER CIRCUITS - The core of a high temperature furnace has an elongated central test cavity for testing/calibration of a temperature-sensitive component, such as the probe of a thermocouple. At least three electrical heating elements as positioned adjacent to the test cavity, including two elements adjacent to the opposite end portions of the test cavity, respectively, and a center element between the end elements. A uniform temperature profile is maintained in the cavity by control circuitry that manages the supply of electrical power to the heating elements, by periodically configuring interconnections of the elements during multiple phases of a duty cycle. The duty cycle includes a first phase in which current is passed through the center element, a second phase in which current is passed through the end elements in series, and a third phase in which current is passed through one of the end elements and also through the center element without passing current through the other end element. | 06-05-2014 |
20140132774 | THERMAL IMAGING CAMERA WITH REPOSITIONABLE ACTIVE PORTIONS OF FOCAL PLANE ARRAY - A thermal imaging camera with a repositionable focal plane array (FPA) is disclosed. An active portion of the FPA is used by the camera to generate a thermal image. The FPA may be positioned such that a defect in the FPA is located in an unused and inactive portion of the FPA. | 05-15-2014 |
20140115145 | METHOD AND APPARATUS FOR DYNAMICALLY SCALING APPLICATION PERFOMANCE ANALYSIS COMPLETENESS BASED ON AVAILABLE SYSTEM RESOURCES - A method and apparatus is disclosed herein for dynamically scaling application performance analysis completeness based on available system resources. In one embodiment, the method comprises monitoring incoming network traffic and a rate at which the traffic is being analyzed and dynamically adjusting application performance analysis completeness, the analysis being performed on the observed network traffic. | 04-24-2014 |
20140096045 | ALARM CLUSTERING MECHANISM - A method is disclosed. The method includes identifying locations of one or more points of interest, identifying an area of interest on a map displayed on a display device, identifying points of interest within the area of interest, selecting a level of detail and clustering the points of interest within the level of detail based on the location of the points of interest relative proximity to other points of interest. | 04-03-2014 |
20140092754 | PACKET TAGGING MECHANISM - A method is disclosed. The method includes capturing a first packet at a network monitoring card, capturing the first packet at a first filter, generating a first tag corresponding to the first filter and storing the first packet in memory with the first tag. | 04-03-2014 |
20140078911 | METHOD AND APPARATUS TO DETERMINE THE AMOUNT OF DELAY IN ROUND TRIP LATENCY FOR A CONNECTION WHERE THE TCP TRAFFIC DOES NOT CONTAIN MULTI-PACKET RESPONSES OR MAY NOT BE TRANSACTION ORIENTED TRAFFIC. - A network round trip time measurement apparatus and method employ request/response timing to determine network round trip time. An initial network round trip value is determined, and subsequent network round trip values are determined for possible better measurement values. Response send time and subsequent next request receipt times are employed to determine network round trip values, as well as response and ack packet times. | 03-20-2014 |
20140042319 | THERMAL IMAGING CAMERA WITH INTERMITTENT IMAGE CAPTURE - A thermal imaging camera that intermittently captures thermal images of a scene for long term monitoring of the scene. The thermal images may be captured after each interval of a time delay interval and/or upon detection of a threshold change in thermal energy in the scene. | 02-13-2014 |
20140042294 | ACCESSORY MOUNT ASSEMBLY AND METHODS OF USING SAME - In accordance with one embodiment of the present disclosure, an accessory mount includes a receiving interface portion on the accessory, and a mountable portion magnetically couplable to the receiving interface portion. | 02-13-2014 |
20140036065 | REAL-TIME RF SIGNAL VISUALIZATION DEVICE - A device provides location information to assist in identifying the location of RF sources. Antenna arrays coupled to corresponding receivers supply signals to a direction of arrival computation block, and the direction information is used to provide a display showing the location of the RF source. | 02-06-2014 |
20140028854 | THERMAL IMAGING CAMERA WITH GRAPHICAL TEMPERATURE PLOT - Methods and apparatus for monitoring a temperature of an object over time using a thermal imaging camera. The methods and apparatus may gather infrared temperature data from a selected source of temperature data within a scene at a selected time interval and display a graphical plot of the gathered temperature data on a digital display. | 01-30-2014 |
20140015538 | Method of Measuring Earth Ground Resistance of a Pylon - The present disclosure relates generally to a facilitated method for accurately measuring the earth ground resistance of a ground rod, in particular a footing of a pylon acting as a ground rod or a ground rod attached to the footings of a pylon, and obtaining an overall value for the resistance of the pylon. A method of determining the earth ground resistance of two or more pylon footings is provided according to the present disclosure, comprising conducting selective measurements of each footing of a pylon consecutively and wherein true values for the resistance of each footing measured are calculated. According to the present disclosure, the testing means is connected directly to two auxiliary electrodes which are placed at predetermined distances from the pylon, and a current measurement means which is placed around a pylon footing in order to measure the current flowing along the footing. | 01-16-2014 |
20130301036 | ARRAY CONNECTOR TEST HARNESS FOR SINGLE-ENDED OPTICAL TEST INSTRUMENTS - A system, apparatus and method for testing optical fiber systems by providing a near-end and far-end harness that loops the set of fibers in the fiber system together. The near-end harness has an interface to connect to the tester. The tester then effects testing on the entire set of fibers, which are looped together by the configuration of the two harnesses creating a single optical path that traverses the entire set or subset of fibers in the network, so a launched test signal propagates through the entire set of looped fibers, providing measurement results for the fibers. | 11-14-2013 |
20130293874 | OPTICAL LIGHT SOURCE WITH CONTROLLED LAUNCH CONDITIONS - A system, apparatus and method for providing controlled launch conditions to an optical light source comprises adjustable fiber bending/deforming apparatus to allow adjustment of the device such that multimode launch conditions can be accurately controlled. Both LED light source and OTDR/laser implementations are provided | 11-07-2013 |
20130291365 | ACCESSORY MOUNTING SYSTEM - A system, apparatus and method for providing anti-rotation to an accessory for a network test instrument or the like, includes a threaded insert mounted in the test instrument, an anti-rotation feature receiving opening, and corresponding threaded fastener and anti-rotation mounting stud on the accessory, whereby engagement between the features ensures proper alignment and prevents rotation of the mounted accessory. | 11-07-2013 |
20130244477 | Apparatus And Method Of Zeroing A Test Instrument - An apparatus and method for shorting together a plurality of electrical leads. The apparatus includes an electrical conductor that extends between first and second ends and a first surface and a second surface facing away from the first surface. The electrical conductor includes a central bight that is disposed between the first and second ends and has a concave contour that defines a portion of the first surface. The electrical conductor also includes first and second bights that have convex contours that define portions of the first surface. The first bight is disposed between the central bight and the first end and the second bight is disposed between the central bight and the second end. The electrical conductor also includes a first and second contact segments that are respectively disposed between the first and second bights and the first and second ends. | 09-19-2013 |
20130214764 | Digital Multimeters Including A Remote Display - A digital multimeter includes a body having a function selector and a first coupler and includes a head having a display and a second coupler. The function selector selects a parameter to be measured, and the display displays a measurement corresponding to the parameter to be measured. The first and second couplers are engaged in a first arrangement joining the body and the head, and the first and second couplers are disengaged in a second arrangement separating the body and the head. | 08-22-2013 |
20130212434 | FIELD TESTER FOR TOPOLOGIES UTILIZING ARRAY CONNECTORS AND MULTI-WAVELENGTH FIELD TESTER FOR TOPOLOGIES UTILIZING ARRAY CONNECTORS - A test instrument provides suggested next operational step function to provide a user with assistance during testing. A display is provided to show the amount of a project that has been completed, for example as a percentage completed value. Individual test results may be saved to a ‘fix later’ list, which may be later accessed to re-test items that may not have passed on initial testing. | 08-15-2013 |
20130194566 | FIELD TESTER FOR TOPOLOGIES UTILIZING ARRAY CONNECTORS AND MULTI-WAVELENGTH FIELD TESTER FOR TOPOLOGIES UTILIZING ARRAY CONNECTORS - A test instrument comprises plural first optical signal sources at a first wavelength and a distributor coupled to the plural first optical signal sources to supply the signals produced to a multi-fiber test port. Additional second wavelength signal sources may be provided, and a second test instrument for use at a second end of the link under test may be provided, to effect testing of the optical link. | 08-01-2013 |
20130194103 | METHOD OF DISPLAYING MULTI-FIBER TEST RESULTS - A display method and apparatus provides an easy to interpret presentation of multiple channel data, in the form of columns where the height of the column represents the relative measurement. A threshold line provides an indication of whether the measurement is above or below the threshold. Greater detail and numeric measurement values can be displayed for individual channels while the multiple channel display is in view. | 08-01-2013 |
20130169268 | Schottky Diode Radio Frequency Detector Probe With Amplitude Linearity Compensation - A passive radio frequency probe that can detect low level RF signals is disclosed. Schottky diodes are used in the probe to convert alternating current (AC) signals to direct current (DC) signals on a one-to-one basis within a given tolerance. The probe is used with a DC voltmeter to permit measurements of radio frequency signals. | 07-04-2013 |
20130166228 | Automatic Capture And Storage Of Measurements In Digital Multimeter - A digital multimeter includes an auto-save component configured to automatically capture and save a sequence of measurements. The auto-save component detects when a measurement becomes stable and upon determining that the measurement has become stable, captures and saves the measurement in a memory of the digital multimeter. The multimeter may additionally include an auto-naming component for automatically assigning a name to each measurement in the sequence, and an auto-hold component for temporarily freezing the display of the stable measurements in the multimeter. | 06-27-2013 |
20130162835 | THERMAL IMAGING CAMERA FOR INFRARED REPHOTOGRAPHY - Thermal imaging cameras for use in retaking images and methods of retaking images with thermal imaging cameras that include a position sensor that helps guide the camera back to the position where the original image was captured. The position sensor provides position data that may include location data, heading data, and orientation data. | 06-27-2013 |
20130161513 | THERMAL IMAGER WITH PROTECTIVE GRID - A protective enclosure for a thermal imager having a window and protective grid. The protective grid is designed in relation to the lens of the thermal imaging device such that the grid pattern geometry and size accommodate the thermal imaging device's pupil size. | 06-27-2013 |
20130156438 | DIGITAL MULTIMETER HAVING REMOTE DISPLAY WITH AUTOMATIC COMMUNICATION BINDING - A method of automatically binding first and second devices for RF communication is disclosed. One step of the method involves establishing a secure, non-RF communication mode between the first and second devices. According to another step, first and second communication addresses respectively identifying the first and second devices are exchanged in the secure, non-RF communication mode such that the first and second devices will recognize each other as communication partners. The secure, non-RF communication mode is then terminated and an RF communication mode is established between the first and second devices as a first bound pair. | 06-20-2013 |
20130155249 | THERMAL IMAGING CAMERA FOR INFRARED REPHOTOGRAPHY - Thermal imaging cameras for use in retaking images and methods of retaking images with thermal imaging cameras that include the creation and use of a pose template that helps guide the camera back to the position where the original image was captured. | 06-20-2013 |
20130155248 | THERMAL IMAGING CAMERA FOR INFRARED REPHOTOGRAPHY - Thermal imaging cameras for use in retaking infrared images and methods of retaking thermal images with thermal imaging cameras and possibly employing computational rephotography on a visible light image taken concurrently with an original thermal image to help guide the camera back to the position where the original thermal image was captured. | 06-20-2013 |
20130155188 | THERMAL IMAGING CAMERA WITH COMPASS CALIBRATION - A thermal imaging camera may include an electronic compass that can be calibrated after assembly of the thermal imaging camera. The electronic compass may include a magnetic sensor configured to sense three orthogonal components of a magnetic field. In some examples, the camera includes a processor configured to receive a plurality of measurements from the magnetic sensor as a physical orientation of the magnetic sensor is changed in a three-dimensional space. The processor may generate a plurality of data points from the plurality of measurements and control a display so as to display a simulated three-dimensional plot of the data points. The processor may control the display so the display updates in substantially real-time as new data points are generated by changing the physical orientation of the magnetic sensor. | 06-20-2013 |
20130154651 | EARTH GROUND TESTER WITH REMOTE CONTROL - A testing device which may be used to conduct ground resistance and soil resistivity measurements. The testing device comprises both a main unit and a remote unit adapted to communicate with one another via a communication link. After setting the testing device up according to the desired measurement technique, the procedure may be carried out, and the resulting measurement values are subsequently displayed on the remote unit. This allows a single operator to perform measurements while standing directly adjacent to an electrode, which is, for example, placed at a large distance from the main unit and/or other electrodes. This relieves the operator from constantly having to walk back and forth placing electrodes in different positions, and also obviates the need to return to the main unit of the testing device to consult a display and/or change parameters or settings. | 06-20-2013 |
20130148687 | OPEN-LOOP VERTICAL DRYWELL GRADIENT CORRECTION SYSTEM AND METHOD - A system and method are disclosed for controlling a drywell including a receiver having upper and lower ends with the lower end being more insulated than the upper end having a temperature sensor in thermal contact therewith. Upper and lower heating elements are in thermal contact with the upper and lower ends, respectively. A controller includes an integrated circuit having a temperature sensor. A reading from the integrated circuit is used to control power to the upper heating element and reduce a temperature gradient between the upper and lower ends of the receiver. | 06-13-2013 |
20130127448 | Smart Electromagnetic Sensor Array - An array of induction coil sensors is used to monitor, from multiple locations, the strength of a magnetic field generated by a wire to be traced. The magnetic field strength data is used to determine the location and orientation of the wire. In one embodiment, the sensor array is incorporated into a test instrument. The screen of the test instrument provides a graphical user interface that shows the orientation of the wire and indicates the location of the wire relative to the instrument. | 05-23-2013 |
20130124136 | MAINTENANCE MANAGEMENT SYSTEMS AND METHODS - Systems and techniques for obtaining and maintaining maintenance records for various assets are described. In one embodiment, a computing device may be wirelessly coupled to a measurement device when the computing device is placed in proximity with the computing device. Upon measuring one or more parameters of a device under test (DUT), the measurement device may provide the measured parameters to the computing device in the form of measurement data. In some embodiments, the computing device associates the measured parameters with the corresponding DUT from which the measurements were obtained and provides the associated measured parameter to, for example, a service provider for future access. In another embodiment, the measurement device itself is configured to associate the measurement parameters with the DUT and provide the associated measurement parameters to the service provider. | 05-16-2013 |
20130093449 | VOLTAGE TESTER HAVING ALTERNATIVELY ATTACHABLE OR SEPARABLE PROBES - A tester includes a main body and a removable probe. The main body includes a main body probe and a front panel including selectable options for selecting a tester function. The removable probe may be coupled to the main body via a cord. The removable probe is fixable to the main body via a latch assembly. The latch assembly includes a socket disposed on one of the removable probe or the main body and a mating protrusion disposed at the other of the removable probe or the main body. | 04-18-2013 |
20130093448 | VOLTAGE TESTER HAVING ALTERNATIVELY ATTACHABLE OR SEPARABLE PROBES - A tester includes a main body and a removable probe. The main body includes a main body probe and a front panel including selectable options for selecting a tester function. The removable probe may be coupled to the main body via a cord. The removable probe is fixable to the main body via a latch assembly. The latch assembly including a socket disposed on one of the removable probe or the main body and a mating protrusion disposed at the other of the removable probe or the main body, the main body having a probe support ridge associated therewith and the removable probe having an alignment ridge associated therewith, the alignment ridge and the probe support ridge lying in a same plane when the mating protrusion is inserted into the socket. | 04-18-2013 |
20130083199 | THERMAL IMAGING CAMERA WITH INFRARED LENS FOCUS ADJUSTMENT - A thermal imaging camera may be used to capture a visible-light (VL) image and an infrared (IR) image. In some examples, the camera includes adjustable focus IR optics. For example, the camera may include a focus mechanism coupled to the IR optics and configured to move the IR optics to various focus positions so as to focus the IR optics. The various focus positions may include a hyperfocal position in which a scene is in focus between a set distance and infinity, and a plurality of focus positions in which the scene is in focus between the set distance and a minimum focus distance. Depending on the configuration of the camera, the IR optics of the camera may define an F-number greater than 1.0, and an axis of the IR optics may be offset from an axis of the VL optics by a distance less than 1.7 inches. | 04-04-2013 |
20130057409 | Watchdog For Voltage Detector Display - The present invention relates to a watchdog timer dedicated to the display controller of a voltage detector wherein the watchdog determines a malfunction in the microcontroller and triggers a visual warning to be displayed via the display controller. This prevents inaccurate voltage information from being displayed in the case of a microcontroller malfunction and thereby the user from being exposed to the risk of extreme injury through, for example, a high-voltage shock. | 03-07-2013 |
20130050453 | THERMAL IMAGING CAMERA WITH RANGE DETECTION - A thermal imaging camera may be used to capture a visible-light (VL) image and an infrared (IR) image. In some examples, the camera includes a range imaging camera module that captures the VL and an infrared camera module that captures the IR image. In such examples, the VL image may include a plurality of different portions that each correspond to a different portion of the scene and distance-to-target data associated with each of the different portions of the scene. The camera may align each of the plurality of different portions of the VL image based on the distance-to-target data associated with corresponding portions of the scene so as to correct a parallax error between the VL image and the IR image. The camera may then concurrently display the VL image in alignment with the IR image. | 02-28-2013 |
20130022177 | PHONE TEST SET MODEM - A phone test set provides modem capability in a hand held device, enabling bi-directional data communications. Demodulation is provided by sampling digitized incoming phone line signals at 4 times carrier frequency, and employing values representing 0 and 90 degree samples to extract the information signal. | 01-24-2013 |
20130003558 | METHOD OF DETERMINING IMMEDIATE TOPOLOGY OF A NETWORK CONNECTION - A network test tool can determine if it is linked to directly to an indicated managed device or an intermediate unmanaged device. Discovery protocols and spanning tree are designed to map network topology and eliminate closed loops in networks. As such these management packets are among the first emerging from managed switches immediately upon acquiring a new link. By analyzing the first few packets, with timeouts, the tool can determine with a high degree of accuracy if it is really connected to the advertised nearest switch. If an unmanaged switch exists between the managed switch and tool, the managed switch will not detect the link event therefore not immediately send discovery packets. Once the tool determines it is not linked to the managed switch, further packet analysis can indicated if the intermediate device is a Layer 2 switch or Hub. | 01-03-2013 |
20120325080 | Gas boosters - One or more examples of the gas boosters described herein aim to provide a light weight gas booster configured to produce high output pressure levels at high volumes. Generally described, one or more examples of the gas boosters reduce the dead volume in a piston assembly, thereby increasing the ratio of the output pressure to the input pressure. In that regard, several examples of the gas boosters disclosed herein have a first check valve as a disk-type check valve or the like and a second check valve as a ball-type check valve or the like. Furthermore, one or more examples include an inwardly acting cam configured to convert rotary motion to reciprocating motion by an inner surface thereof. | 12-27-2012 |
20120320189 | THERMAL IMAGER THAT ANALYZES TEMPERATURE MEASUREMENT CALCULATION ACCURACY - A method and computer program product for determining whether an object of interest can have its temperature measurement calculated by a thermal imaging camera. To do this, the distance between the camera and the object of interest is measured, then a measurement IFOV is calculated using the measure distance. The measurement IFOV may be displayed on the screen of the camera as a graphical indicator of the object of interest can be registered with the graphical indicator and then it is determined whether the temperature measurement of the object can be acceptably calculated. | 12-20-2012 |
20120311704 | Method and Apparatus for Efficient Netflow Data Analysis - A flow based detection system for detecting networks attacks on data networks. Flow records are collected in a novel data structure that facilitates efficient sorting. The sorted data structure can be subsequently analyzed in an efficient manner to find out if the network is under attack. An attack is identified if the numbers of unique corresponding addresses or conversations are too large. | 12-06-2012 |
20120310952 | Method and Apparatus for Streaming Netflow Data Analysis - A system and method are described for progressively efficiently filtering and gathering netflow data. Flow records are analyzed to find out which keys (addresses, conversations, protocols etc) meet defined filter parameters. The netflow data is processed and a data structure of fixed size is continually maintained in order to facilitate efficient retrieval of the gathered netflow data. | 12-06-2012 |
20120291115 | METHOD AND APPARATUS FOR DYNAMIC HOST OPERATING SYSTEM FIREWALL CONFIGURATION - A method and apparatus for dynamic host operating system firewall configuration provides plural monitoring processes to monitor the firewall configuration of a host operating system and guest operating systems. When any firewall configuration change is detected by a monitor in a monitored guest operating system, a appropriate corresponding firewall change is made by the monitor to the host operating system. | 11-15-2012 |
20120290711 | METHOD AND APPARATUS TO ESTIMATE APPLICATION AND NETWORK PERFORMANCE METRICS AND DISTRIBUTE THOSE METRICS ACROSS THE APPROPRIATE APPLICATIONS, SITES, SERVERS, ETC - A method and apparatus to estimate application and network performance metrics and distribute those metrics across the appropriate applications, sites, servers, and the like, performs shallow analysis on a majority of traffic and deep analysis on a sampled set of the traffic, and estimates network and application performance metrics for the non-deep analysis data, providing an overall estimate of metrics without requiring deep analysis of all traffic. | 11-15-2012 |
20120290710 | METHOD AND APPARATUS FOR DYNAMICALLY ADJUSTING DATA STORAGE RATES IN AN APM SYSTEM - Data storage rates are dynamically adjusted in an APM system, by monitoring data storage elements and modulating the data storage when a determination is made that the storage buffer utilization is too high. | 11-15-2012 |
20120290709 | METHOD AND APPARATUS TO DETERMINE THE AMOUNT OF DELAY IN THE TRANSFER OF DATA ASSOCIATED WITH A TCP ZERO WINDOW EVENT OR SET OF TCP ZERO WINDOW EVENTS - Network monitoring method and apparatus determines the zero window event data transfer delay, reporting the amount of data transfer delay caused thereby. Non-data-transfer-delaying zero window events can be separated from those causing actual delay, allowing reporting of actual delay events separate from non-delay causing events. | 11-15-2012 |
20120290264 | METHOD AND APPARATUS FOR DYNAMICALLY ADJUSTING DATA ACQUISITION RATE IN AN APM SYSTEM - Data acquisition rates are dynamically adjusted in an APM system, by monitoring data acquisition hardware and reducing the data acquisition rate when a determination is made that the data rate is too high for processing by an APM. | 11-15-2012 |
20120287814 | METHOD AND APPARATUS TO DETERMINE THE AMOUNT OF DATA OUTSTANDING THROUGHOUT THE LIFE OF A TCP FLOW (SOCKET CONNECTION) - Network monitoring method and apparatus determines the amount of data outstanding throughout the life of a TCP flow (socket connection). Observing network traffic, calculation of the outstanding data is made, providing information useful for network performance analysis and troubleshooting. | 11-15-2012 |
20120287794 | METHOD AND APPARATUS TO ESTIMATE THE SENDER'S CONGESTION WINDOW THROUGHOUT THE LIFE OF A TCP FLOW (SOCKET CONNECTION) - Network monitoring method and apparatus estimates the congestion window throughout the life of a TCP flow (socket connection), providing information useful for network performance analysis and troubleshooting. | 11-15-2012 |
20120287793 | METHOD AND APPARATUS FOR DISTINGUISHING AND SAMPLING BI-DIRECTIONAL NETWORK TRAFFIC AT A CONVERSATION LEVEL - Network traffic is distinguished at a conversation level, providing sampling decision capability. A hash value is determined based on IP addresses and protocol type, giving unique identifiers for individual conversations. | 11-15-2012 |
20120237001 | PHONE TEST SET TDR - A phone test set provides TDR capability in a hand held device, enabling measurements on phone lines including, distance to opens, distance to shorts, and distance to bridge taps. | 09-20-2012 |
20120229800 | PULSE OXIMETER TEST INSTRUMENTS AND METHODS - Generally described, one or more embodiments of the present disclosure are directed to pulse oximeter test instruments and methods for testing pulse oximeters. The pulse oximeter test instruments may be configured to sense light at different wavelengths simultaneously. In some embodiments, light pulses having a wavelength above a particular threshold may be detected and used to test measurements made by a pulse oximeter. In that regard, the pulse oximeter test instruments disclosed herein are able to provide improved accuracy and more reliable test results over prior art pulse oximeter test instruments. | 09-13-2012 |
20120228470 | MINIMIZING AMBIENT LIGHT IN A FEEDBACK CIRCUIT IN PULSE OXIMETER TEST INSTRUMENTS - Generally described, one or more embodiments of the present disclosure are directed to pulse oximeter test instruments for testing pulse oximeters. The pulse oximeter test instruments are configured to linearize a relationship between an input signal and an output signal of a light emitting diode (LED). In some embodiments, the linearized relationship may be obtained by minimizing an amount of ambient light detected by a photosensor in a feedback loop. The photosensor may be located in a housing that limits the amount of ambient light that may be detected. | 09-13-2012 |
20120224067 | VISUAL IMAGE ANNOTATION, TAGGING OF INFRARED IMAGES, AND INFRARED IMAGE LINKING - Methods used with a thermal imager in capturing a primary thermal image of an object or scene and then associating it, as desired, with any of a multitude of information relating to the object or scene. The related information can be associated with the primary thermal image in the field after the image is captured. The related information can pertain to further detail regarding the object, the surroundings of the scene, and/or surroundings of the location of the scene, which when associated with the primary thermal image, collectively represents a form of asset information card for the image. | 09-06-2012 |
20120217146 | ELECTRICAL SWITCHES AND METHODS - Generally described, one or more embodiments of the present disclosure are directed to switch assemblies and methods for switching from one state to another. In some examples, a switch assembly may switch from one electrical contact to another electrical contact by moving a conductive spring or member from a first conductive contact on a printed circuit board (PCB) to a second conductive contact on the PCB. For instance, in one embodiment, a conductive member moves within a slot in the PCB. In another embodiment, a compression force applied to a conductive spring is reduced while the conductive spring moves from a first conductive contact to a second conductive contact. | 08-30-2012 |
20120194711 | System And Method For Improving The Quality Of Thermal Images - An image improvement system and method are disclosed that compensates for effects of optical scattering and pixel cross-talk on image quality in an imager employing a focal plane array. The method characterizes these effects on a test image, presents them as a set of stored numerical coefficients, and applies the coefficients during image processing. | 08-02-2012 |
20120186657 | PIEZOELECTRIC PROPORTIONAL CONTROL VALVE - Examples are generally described that are related to a control valve. Some example devices may include a control valve having a piezoelectric actuator substantially immersed in a fluid and further having a sealing mechanism configured to be in a closed position and an open position. The piezoelectric actuator may be configured to distort in response to an applied voltage causing the sealing mechanism to open and allow fluid to flow therethrough. In response to removing the applied voltage, the piezoelectric actuator returns to an undistorted position causing the sealing mechanism to close and prevent fluid from flowing therethrough. | 07-26-2012 |
20120169866 | THERMAL IMAGER WITH NON-UNIFORMITY CORRECTION - Infrared cameras are susceptible to fixed-pattern noise artifacts. These artifacts are due to numerous sources and typically show up as non-uniformities in an IR image of a uniform scene. Devices for and methods of refining non-uniformity corrections in an infrared (IR) camera are provided that correct for remaining fixed pattern noise. | 07-05-2012 |
20120169324 | SIMPLIFIED JAW ASSEMBLY FOR A CLAMP METER - A current clamp meter includes a current meter body and a jaw assembly. The jaw assembly is configured so that the current clamp meter may be used to reach and readily single-out a desired wire from amongst adjacent wires. | 07-05-2012 |
20120158960 | MIXED-MODE ANALYSIS - A network analyzer determines, analyzes, and displays in streaming and non-streaming modes to provide analysis of specific transactions in that make sense within a primarily streaming or asynchronous flow of data, providing useful and accurate measurements. | 06-21-2012 |
20120146666 | METHOD AND APPARATUS FOR MEASURING AC SHIELD CONTINUITY FOR SHIELDED TWISTED PAIR STRUCTURED DATACOMM CABLE LINK - AC shield continuity for shielded twisted pair structured datacomm cable is determined by testing the cable, driven in a common mode, over a range of frequencies, to determine presence and location of shield breaks. DC ground path generated false results are thereby avoided. | 06-14-2012 |
20120119771 | METHOD AND APPARATUS FOR INDEXING AN ADJUSTABLE TEST PROBE TIP - Embodiments of the present invention are directed to adjustable test probe tips that are indexable. In one embodiment a mechanism is coupled to a probe tip so that the mechanism may be used to index the probe tip to a plurality of particular positions. A label portion may be provided to communicate to a user that the length of the exposed probe tip is less than a particular length, such as the maximum length an exposed probe tip may be for a particular application. | 05-17-2012 |
20120103765 | DIGITAL MULTIMETER HAVING IMPROVED ROTARY SWITCH ASSEMBLY - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pair. | 05-03-2012 |
20120075309 | System And Method For Configuring A Thermal Imaging Instrument - A graphical user interface for configuring parameters associated with a portable infrared imager is provided. The interface can be used to manually or automatically set range and span parameters. The interface can also be used to configure one or more alarms to notify a user that a detected temperature is outside a predetermined range. In some embodiments, a non-linear temperature scale can be displayed. | 03-29-2012 |
20120038975 | INFRARED IMAGING DEVICE WITH A COATED OPTICAL LENS - The disclosure describes a coated non-germanium lens for an IR imaging device. The coating may have a first layer and a second layer. The first layer is adapted to adhere well to the non-germanium lens and to provide a good adhering surface to the second layer, the second layer being not generally adherable to the non-germanium lens. | 02-16-2012 |
20110296067 | AUTOMATIC ADDRESSING SCHEME FOR 2 WIRE SERIAL BUS INTERFACE - An automatic addressing bus system and method of communication comprising a main and an end device, wherein the respective bus controllers used in the main and end devices comprise multi-master capability. The main controlling device has an address known to the end device to be connected, the end device is able to actively initiate the address allocation procedure, without the need for user interaction. The method and system of the present system may be implemented using such known bus systems such as 2-wire serial buses, in particular I | 12-01-2011 |
20110292556 | PROTECTION CIRCUIT AND METHOD FOR ELECTRONIC DEVICES - A circuit for protecting an electronic device from excessive voltages applied to an input or output terminal includes a solid state relay coupling the electronic device to the terminal. The solid state relay may include an opto-transistor coupled between the electronic device and the terminal and a light emitting diode optically coupled to the opto-transistor. The solid state relay is coupled in series with a current limiting device, such as one or more enhancement mode field effect transistors. A voltage detector coupled to the terminal detects a voltage larger than a specific value and causes current to flow thorough the light emitting diode, thereby interrupting the coupling between the terminal and the electronic device. The voltage detector may be coupled between two spaced-apart connections to the coupling path between the terminal to the electronic device so that the voltage detector avoids diverting current from the coupling path. | 12-01-2011 |
20110285414 | Systems And Methods For An Open Circuit Current Limiter - A resistance measuring circuit includes a current generating component, a current control component, and a voltage measurement component. The magnitude of a target resistance can be measured by connecting the target resistance between first and second measurement terminals of the resistance measuring circuit, applying a current generated by the current generating component to the target resistance, and determining the voltage across the target resistance. When no target resistance is connected between the first and second measurement terminals, the current control component controls the current generating component to reduce current consumption of the resistance measuring circuit. | 11-24-2011 |
20110276300 | VOLTAGE MEASUREMENT INSTRUMENT AND METHOD HAVING IMPROVED AUTOMATIC MODE OPERATION - An AC/DC voltage measuring instrument is operable in a DC mode, an AC mode, or an automatic mode. In the DC mode, an input terminal is coupled directly to an analog-to-digital converter, which generates a digital output signal indicative of the amplitude of the received signal. In the AC mode, the input terminal is coupled to an RMS circuit through a capacitor. The RMS circuit generates an output signal having an amplitude indicative of the RMS amplitude of the received signal, and this output signal is coupled to the analog-to-digital converter. In the automatic mode, the input terminal is also coupled to the RMS circuit, but it is coupled to the RMS circuit without being coupled through the capacitor. The input terminal is coupled to the RMS circuit through an amplifier, and a calibration procedure is used to compensate for any offset of the amplifier. | 11-10-2011 |
20110221423 | MULTIMETER HAVING COMMUNICATIONS VIA MEASUREMENT TERMINALS AND COMMUNICATION SYSTEM FOR SAME - A multimeter having measurement terminals and configured to receive measurement signals applied to the measurement terminals and a measurement value and also configured to receive communication signals applied to the measurement terminals and extract encoded information from the communication signals. The multimeter can be included in a multimeter communication system having a device coupled to the measurement terminals of the multimeter. The device is configured to generate communication signals having encoded information and provide the communication signals to the measurement terminals of the multimeter. | 09-15-2011 |
20110220222 | SYSTEM TO CONTROL PRESSURE IN A TEST DEVICE - Embodiments of the present invention are directed toward pressure controllers and calibrators for setting or measuring pressures in test devices. In one embodiment, the pressure controller contains a dual reference pressure controller. The dual reference pressure controller is operable to maintain two different pressures relative to a reference pressure. The first pressure being a relatively fixed amount greater than the reference pressure and the second pressure being a relatively fixed amount less than the reference pressure. | 09-15-2011 |
20110193549 | METHOD AND APPARATUS FOR AMPLIFYING A SIGNAL AND TEST DEVICE USING SAME - An amplifier circuit is used in a multimeter to amplify signals applied between a pair of test terminals. A voltage applied to one of the test terminals is amplified by a first operational amplifier configured as a voltage follower. An output of the first operational amplifier is applied to an inverting input of a second operational amplifier configured as an integrator. An output of the second operational amplifier is connected to the other of the test terminals. A voltage generated at the output of the second operational amplifier provides an indication of the magnitude and polarity of the voltage applied to the first and second test terminals. | 08-11-2011 |
20110178737 | USER INTERFACE SYSTEM AND METHOD FOR DIAGNOSING A ROTATING MACHINE CONDITION NOT BASED UPON PRIOR MEASUREMENT HISTORY - A vibration data collection and rotating machinery fault diagnostic instrument includes a machine setup engine, a measurement engine, a diagnostic engine, a measurement user interface module, a machine setup user interface module, and a diagnostic user interface module. The machine setup engine requests and receives parameters about the machinery through the machine setup user interface module. The measurement engine requests and receives sensor placement locations through the measurement user interface module and keeps track of locations that have been measured and locations that still need to be measured. The diagnostic engine diagnoses machinery faults and presents the information to the user through the diagnostic user interface module using an intuitive graphical severity scale. | 07-21-2011 |
20110164656 | SYSTEMS AND METHODS FOR DISSIPATING HEAT GENERATED DURING AN ELECTRICAL MEASUREMENT - Systems and methods for dissipating heat generated during an electrical function are disclosed. In particular, the disclosed systems and methods can be used for dissipating heat generated during low impedance measurement on a multimeter. In some embodiments, the multimeter can include a first thermistor coupled in series with a resistor in a measurement path, a second thermistor, and a switch coupled to the measurement path and the second thermistor for selectively including the second thermistor in the measurement path during a low impedance measurement. | 07-07-2011 |
20110164651 | OPEN-LOOP VERTICAL DRYWELL GRADIENT CORRECTION SYSTEM AND METHOD - A system and method are disclosed for controlling a drywell including a receiver having upper and lower ends with the lower end being more insulated than the upper and having a temperature sensor in thermal contact therewith. Upper and lower heaters are in thermal contact with the upper and lower ends respectively. A controller includes an integrated circuit having a temperature sensor. A reading from the integrated circuit is used to control power to the upper heater and reduce a temperature gradient between the upper and lower ends of the receiver. | 07-07-2011 |
20110162943 | ELECTRO-MECHANICAL MICROWAVE SWITCH - A switch for selectively routing electrical signals, particularly microwave signals, in a printed circuit board includes a rotatable contact that is connected to a shaft. A first motor is configured to rotate the shaft and a second motor is configured to axially move the shaft to lift the contact from the printed circuit board. A position controller produces driving signals that are received by the first and second motors to lift the contact from the printed circuit board, rotate the contact to a desired position and lower the contact to the circuit board. | 07-07-2011 |
20110156696 | MULTIMETER - A multimeter has a plurality of control panels, a display screen that can change display orientation, and/or a magnetic portion to releasably support the multimeter. | 06-30-2011 |
20110151710 | APPARATUS AND METHOD OF ZEROING A TEST INSTRUMENT - An apparatus and method for shorting together a plurality of electrical leads. The apparatus includes an electrical conductor that extends between first and second ends and a first surface and a second surface facing away from the first surface. The electrical conductor includes a central bight that is disposed between the first and second ends and has a concave contour that defines a portion of the first surface. The electrical conductor also includes first and second bights that have convex contours that define portions of the first surface. The first bight is disposed between the central bight and the first end and the second bight is disposed between the central bight and the second end. The electrical conductor also includes a first and second contact segments that are respectively disposed between the first and second bights and the first and second ends. | 06-23-2011 |
20110140687 | DIGITAL MULTIMETER HAVING CASE PANEL STRUCTURE - A multimeter includes a case defining an interior cavity in which components of the multimeter are located. The case has a top portion defining a plurality of first button apertures. A rotary selector knob is also provided for selecting a multimeter function. The multimeter further includes a separate front panel juxtaposed to the top portion of the case. The front panel has a plurality of second button apertures in respective register with at least some of the first button apertures. The top portion of the case may define a recess in which the front panel is received. | 06-16-2011 |
20110122251 | Comparison of Infrared Images - Methods for comparing infrared image data and/or for generating infrared image comparison data are provided. In one method two image data sets are selected including visual-light and infrared image data from one or more points of view of a scene. Visual-light image data from each data set can be compared to determine an alignment correlation between different points of view for the visual-light data. The alignment correlation can then be used to correlate infrared image data from each data set. The correlated infrared image data can be compared to generate infrared comparison image data. Thermal imaging cameras capable of performing such methods are also provided. | 05-26-2011 |
20110121844 | METHOD OF MEASURING EARTH GROUND RESISTANCE OF A PYLON - The present invention relates generally to a facilitated method for accurately measuring the earth ground resistance of a ground rod, in particular a footing of a pylon acting as a ground rod or a ground rod attached to the footings of a pylon, and obtaining an overall value for the resistance of the pylon i.e. all footings in parallel, and all pylons connected in parallel thereto. A method of determining the earth ground resistance of two or more pylon footings is provided according to the present invention, comprising conducting selective measurements of each footing of a pylon consecutively and wherein true values for the resistance of each footing measured are calculated. According to the present invention the testing means is connected directly to two auxiliary electrodes which are placed at predetermined distances from the pylon, and a current measurement means which is placed around a pylon footing in order to measure a the current flowing along the footing. | 05-26-2011 |
20110106937 | MIXED-MODE ANALYSIS - A network analyzer determines, analyzes, and displays in streaming and non-streaming modes to provide analysis of specific transactions in that make sense within a primarily streaming or asynchronous flow of data, providing useful and accurate measurements. | 05-05-2011 |
20110106936 | TRANSACTION STORAGE DETERMINATION VIA PATTERN MATCHING - A network analyzer, system and method determine whether or not network transaction data derived from network analysis should be stored, based on a configuration. Configuration strings (patterns) are entered via a configuration file, including specifying whether the string should be a prefix, suffix, other location or exist anyplace in the data. Storage enabling/disabling is provided for network transaction data. Configuration strings (patterns) can be specified for request/response summary/detail, and for specified parameters. | 05-05-2011 |
20110103242 | SYSTEM AND METHOD FOR MEASURING AND DISPLAYING PRESENCE OF WIRELESS LOCAL AREA NETWORK DEVICES - An instrument is disclosed that is capable of detecting and graphically displaying channel usage and the number of access points operating on each channel of interest. By using a module that counts the number of elapsed clock cycles, the total cumulative duration of detected frames, and the number of channel in-use cycles, the instrument can determine the percentage of time a channel is in use, the percentage of time of IEEE 802.11 usage on a channel, and the percentage of time of non-IEEE 802.11 usage on a channel. Further, channels are scanned for access point activity using a scanning algorithm that interleaves scanning channels at a first duration longer than the beacon interval and scanning channels at a second shorter duration. | 05-05-2011 |
20110103238 | METHOD AND APPARATUS FOR THE EFFICIENT CORRELATION OF NETWORK TRAFFIC TO RELATED PACKETS - A network analyzer reads network packets and extracts characterizing attributes, grouping patents observed in a given amount of time on common attribute values. Grouped attributes are meta data, written to a database, while packets are written to files. Meta data is stored in the database including links to the physical packets related to the meta data, and a user interface enables query of the meta data and retrieval of related physical packets. | 05-05-2011 |
20110103237 | METHOD AND APPARATUS FOR THE EFFICIENT INDEXING AND STORAGE OF NETWORK TRAFFIC - A network analyzer reads network packets and extracts characterizing attributes, grouping patents observed in a given amount of time on common attribute values. Grouped attributes are meta data, written to a database, while packets are written to files. | 05-05-2011 |
20110101960 | CLAMP JAW ASSEMBLY - A clamp jaw assembly for a clamp meter is provided. The clamp jaw assembly comprises a housing containing a clamp jaw core disposed within a shield. The housing, shield, and core of the clamp jaw assembly are configured to provide an extended creepage and clearance path from an exterior of the housing to a surface of the core. | 05-05-2011 |
20110091758 | THERMAL IMAGING DEVICE WITH A BATTERY PACK WITH A SEAL MEMBER MOLDED DIRECTLY THEREON - A thermal imaging device includes a replaceable battery pack, which may include a shock absorbing and/or seal member. A battery portion of the battery pack includes an electrical contact and a sidewall that contains at least one battery cell, which is electrically coupled to the contact. An attachment mechanism of the battery pack is configured to engage a portion of a housing of the device, such that a portion of the battery pack forms a terminal end of the device, the battery portion is held within the portion of the housing, and the electrical contact of the battery portion is operably connected to the imaging assembly of the device. The attachment mechanism is releasable from engagement with the housing, such that an entirety of the battery pack can be completely separated from the thermal imaging device. | 04-21-2011 |
20110087991 | Methods and Apparatus for Reliable Entry and Enhanced Presentation of IPv6 Addresses - A technique for establishing an IPv6 address for a network device involves displaying a prefix field for accessing a list of IPv6 address prefixes, an interface identifier field for accessing a list of interface identifiers, and a fillable address field for entering an IPv6 address. An IPv6 address is constructed in the address field from an IPv6 address prefix selected from the prefix field and an interface identifier selected from the interface identifier field. The IPv6 address can be modified by manually entering characters via a user interface. A technique for displaying IPv6 addresses involves combining a mnemonic, which replaces the digits of the IPv6 address prefix portion of the address, together with the digits of the interface identifier of the IPv6 address. IPv6 addresses not associated with a mnemonic are readily identifiable. | 04-14-2011 |
20110074395 | DIGITAL MULTIMETERS INCLUDING A REMOTE DISPLAY - A digital multimeter includes a body having a function selector and a first coupler and includes a head having a display and a second coupler. The function selector selects a parameter to be measured, and the display displays a measurement corresponding to the parameter to be measured. The first and second couplers are engaged in a first arrangement joining the body and the head, and the first and second couplers are disengaged in a second arrangement separating the body and the head. | 03-31-2011 |
20110032113 | AC VOLTAGE PHASE DISCRIMINATOR FOR CIRCUIT BREAKER LOCATORS - An arrangement that includes a transmitter unit and a receiver for locating a circuit interrupter associated with a selected branch circuit of a power distribution system. The transmitter is electrically interconnected with the selected branch circuit and produces a sequence of tracing signals in a branch circuit that is to be traced. Each tracing signal is transmitted and detected at times measured with respect to a detected known phase of the signal on the branch circuit. In one embodiment, tracing signals are transmitted on a branch circuit of a 3 phase power distribution system when the branch circuit to be tested has a positive phase and the other phases are negative. | 02-10-2011 |
20110032111 | CIRCUIT BREAKER LOCATOR - An arrangement that includes a transmitter unit and a receiver for locating a wire or a circuit interrupter associated with a selected branch circuit of a power distribution system. The transmitter is electrically interconnected with the selected branch circuit and produces a sequence of current pulses in a branch circuit that is to be traced to locate an associated circuit interrupter. Each current pulse is of a predetermined duration, a predetermined rise time, and a predefined fall time, which in one embodiment is equal to the current pulse rise time. The receiver is a handheld unit that is positioned in close proximity with the various circuit interrupters of the power distribution system and provides an indication that the desired wire or circuit interrupter has been located upon detecting current pulses that are with a predefined pulse duration, pulse separation and amplitude. | 02-10-2011 |
20110029506 | METHOD AND APPARATUS FOR BOUNDING LARGE QUERY OPERATIONS - Bounding of large queries is provided in a network analysis environment by receiving a user query of a data set of network transactions, submitting a meta data query to the data set to determine whether the query would require an unreasonable amount of time to complete, and notifying the user to re-formulate the query if it would require too much time. | 02-03-2011 |
20110026196 | DIGITAL MULTIMETERS INCLUDING A RUGGEDIZED JACKET - A digital multimeter includes a display for displaying a measured parameter, a selector for selecting the measured parameter, at least one jack configured to receive a test lead plug, and a housing assembly including the display, the selector and the jack. The selector includes a push button, a rotary selector switch, a knob coupled to the rotary selector switch, and a cover molded over the knob. The cover includes a relatively soft material compared to the knob. The housing assembly includes a first and second housing portions coupled together, a gasket sealing the first and second housing portions, and a jacket overlying parts of the first and second housing portions and the gasket. The housing assembly defines an internal cavity and is configured to absorb impact energy in response to dropping the digital multimeter up to approximately one meter and protect against water and dust ingress into the cavity. | 02-03-2011 |
20110022701 | METHOD AND APPARATUS OF FILTERING STATISTIC, FLOW AND TRANSACTION DATA ON CLIENT/SERVER - Network traffic filtering is provided to enable gathering of data and statistics related to client/server traffic corresponding to valid and desired client to server/server to client traffic. | 01-27-2011 |
20110015796 | POWER STATE COORDINATION FOR PORTABLE TEST TOOLS - A system and method of coordinating power states between two detachable units is disclosed. Only the primary unit has a user-controllable power control. The secondary unit is not directly user controllable. The power states of the two units are coordinated using an actuator mechanism when the units are attached. When the two units are detached, the state of the secondary unit is dependent upon the state of the primary unit and any subsequent commands transmitted by the primary unit to the secondary unit. | 01-20-2011 |
20110014812 | THERMAL IMAGING DEVICE WITH A BATTERY PACK WITH A SHOCK ABSORBER - A thermal imaging device includes a replaceable battery pack, which may include a shock absorbing and/or seal member. A battery portion of the battery pack includes an electrical contact and a sidewall that contains at least one battery cell, which is electrically coupled to the contact. An attachment mechanism of the battery pack is configured to engage a portion of a housing of the device, such that a portion of the battery pack forms a terminal end of the device, the battery portion is held within the portion of the housing, and the electrical contact of the battery portion is operably connected to the imaging assembly of the device. The attachment mechanism is releasable from engagement with the housing, such that an entirety of the battery pack can be completely separated from the thermal imaging device. | 01-20-2011 |
20110012589 | CLAMP-ON MULTIMETERS INCLUDING A ROGOWSKI COIL FOR MEASURING ALTERNATING CURRENT IN A CONDUCTOR - A clamp-on multimeter measures alternating current flow in an electrical conductor. The multimeter includes a display, a housing including the display, a first sensor, a second sensor, a processor and an integrator. The first sensor has a magnetizable material core and inductively senses the alternating current. The first sensor includes a first clamp portion fixed to the housing and a second clamp portion pivotally coupled to the first clamp portion. The second sensor includes a Rogowski coil that has a non-magnetic core and inductively senses the alternating current. The processor receives an input signal in a first voltage range and sends an output signal to the digital display. The integrator scales a signal from the second sensor in a second voltage range to the first voltage range. The housing includes the processor, the integrator, and a selector configured to select the input signal to the processor from one of the first sensor and the integrator. | 01-20-2011 |
20110012587 | CLAMP-ON MULTIMETERS INCLUDING A ROGOWSKI COIL FOR MEASURING ALTERNATING CURRENT IN A CONDUCTOR - A clamp-on multimeter measures alternating current flow in an electrical conductor. The multimeter includes a display, a housing including the display, a first sensor, a second sensor, a processor and an integrator. The first sensor has a magnetizable material core and inductively senses the alternating current. The first sensor includes a first clamp portion fixed to the housing and a second clamp portion pivotally coupled to the first clamp portion. The second sensor includes a Rogowski coil that has a non-magnetic core and inductively senses the alternating current. The processor receives an input signal in a first voltage range and sends an output signal to the digital display. The integrator scales a signal from the second sensor in a second voltage range to the first voltage range. The housing includes the processor, the integrator, and a selector configured to select the input signal to the processor from one of the first sensor and the integrator. | 01-20-2011 |
20110004711 | KEYPAD DE-BOUNCING APPARATUS AND METHOD - An apparatus and method for de-bouncing keypad inputs is disclosed including interrupting a processor upon detecting a key press, reading input signals from the key pad to determine an initial port value and starting a timer. A keypad interrupt is disabled and processing resumes until expiration of the timer. The timer interrupts the processor and the input signals are read a second time and combined with the initial port value to determine a key identifier. The timer is started again and processing resumes. Upon expiration of the timer the processor checks for key release. If release is not detected, the timer is again started. If release occurs, the timer is disabled and the keypad interrupt is enabled. | 01-06-2011 |
20110001809 | THERMOGRAPHY METHODS - A method for presenting a thermal image within a visible light image includes the steps of: identifying an outline of each object of interest within the visible light image; and, selecting an area of the visible light image, whose edge corresponds to the outline of each object of interest, in which to present the thermal image. An alternative method includes the steps of: identifying an area of interest within the thermal image; and selecting another area, separate from the area of interest, from which to remove a portion of the thermal image in order to display the visible light image therein. The visible light and thermal images are captured by a system that includes a visible light camera module and an infrared camera module. The visible light and thermal images are displayed on a display of the system, and selections are made via an interactive element of the system. | 01-06-2011 |
20110001502 | RESISTANCE BRIDGE ARCHITECTURE AND METHOD - One or more embodiments are directed to a resistance bridge having two voltage measurements circuits that function in tandem. In one embodiment, a constant current source may be applied to two resistors coupled in series, in which the first resistor has a known resistance and the second resistor has a resistance to be determined or verified. A first measurement circuit may measure a first voltage across the first resistor and at substantially the same time a second measurement circuit measures a second voltage across the second resistor. The voltage of each resistor is converted to a ratio. Based on the ratio and the resistance of the first resistance, the resistance of the second resistor may be calculated. | 01-06-2011 |
20110001501 | INTERNAL SELF-CHECK RESISTANCE BRIDGE AND METHOD - One or more embodiments are directed to a resistance bridge measurement circuit configured to perform an internal self-check. The resistance bridge measurement circuit may include two or more internal resistors. In one embodiment, the resistance bridge measurement circuit may be configured to measure a first voltage across one of the resistors and a second voltage across a combination of the two resistors. The measured voltages may be converted to a resistance ratio and compared to an expected value. In another embodiment, the resistance bridge measurement circuit may be configured to measure a third voltage across the other of the two resistors and a fourth voltage across a combination of the two resistors. The measured voltages may be converted to corresponding resistance ratios, summed and compared to an expected value. | 01-06-2011 |
20100329306 | PROTECTIVE ENCLOSURE FOR A THERMAL IMAGING DEVICE OF AN INDUSTRIAL MONITORING SYSTEM - A thermal imaging device, which may be incorporated in an industrial monitoring system, is contained and protected by an enclosure that includes a window assembly. The window assembly includes a removable window and a temperature sensor, wherein the window provides a passage for infrared radiation to the imaging device, within the enclosure, and the temperature sensor is positioned, within the enclosure, for measuring a temperature of the removable window, and is adapted to communicate with circuitry of the imaging device. The window assembly may further include a removable retaining ring and a mounting plate. The mounting plate may include a bezel and an outer shoulder formed in a first side thereof, wherein the bezel receives the removable window and the outer shoulder receives the retaining ring, so that the retaining ring may hold the window against the bezel. | 12-30-2010 |
20100316984 | DYNAMIC PULSE SIMULATOR - Embodiments of the present invention are directed to a system and method for generating a simulated pulse to be used in combination with a patient monitor. In many embodiments, a pulse is simulated by displacing a volume in a pressurized system. For instance, in one embodiment, the volume in the pressurized system is displaced by rotating a first end of a tube relative to a second end that is held stationary. A portion of the tube collapses due to the twisting causing the volume in the system to decrease. The first end of the tube may be rotated back to its original position causing the volume in the system to return to its original state. This change in volume simulates a pulse. | 12-16-2010 |
20100308852 | SHIELDED ANTENNA FOR SYSTEM TEST OF A NON-CONTACT VOLTAGE DETECTOR - A system and method of conducting a full system test on a non-contact voltage detector while simultaneously shielding the voltage detector's antenna from stray electric fields is disclosed. When a user runs the self-test, an alternating current generator capacitively couples to the antenna through an antenna shielding to detect any breaks in the antenna. The coupled signal is amplified and filtered by the voltage detector's electronics, and triggers an indicator if the voltage detector is fully operative. | 12-09-2010 |
20100308772 | SYSTEM AND METHOD FOR USING STORED ELECTRICAL ENERGY TO QUIET POWER SENSITIVE MEASUREMENT CIRCUITS - The present invention is a system and method for temporarily storing electrical energy to power sensitive measurement circuits. In one embodiment, a switch-mode power converter is operable to charge an energy storage device. After the energy storage device is sufficiently charged, the switch-mode power converter is powered off so that sensitive measurements may be made without being affected by noise or interference caused by the switch-mode power converter. Once the measurement has been made, the switch-mode power converter is powered on and provides power to the energy storage device to recharge the energy storage device so that a subsequent measurement may be made. | 12-09-2010 |
20100293243 | METHOD AND APPARATUS FOR MEASURING DIRECTIONALLY DIFFERENTIATED (ONE-WAY) NETWORK LATENCY - Determining directionally differentiated latency in a network by use of master and slave test instruments to record latency measurements in their native time bases, and retrieving test instrument latency frame transmit/receive timestamps from the master and slave and converting them to the time base of one of the master or slave by use of the offset calculation, utilizing 3 bounce timestamp exchange, providing one-way latency measurement with resolution of less than 100 μs, using internal clocks in the test instruments, without requirement of expensive external time base technology. | 11-18-2010 |
20100292952 | SYSTEM AND METHOD FOR DETERMINING ACCURACY OF AN INFRARED THERMOMETER MEASUREMENT - A system and method for determining whether a temperature measurement made with an infrared thermometer is accurate is disclosed. An infrared sensor array is used to detect infrared radiation from a target object. By analyzing the relative values of output signals from the individual sensor elements, a determination can be made whether radiation from the target object sufficiently fills the field of view of the detecting element of the instrument. A temperature measurement is considered accurate if this criteria is met. | 11-18-2010 |
20100292951 | METHOD AND SYSTEM FOR MEASURING THERMAL RADIATION TO DETERMINE TEMPERATURE AND EMISSIVITY OF AN OBJECT - A system and method are disclosed that determines the emissivity and temperature of a target object. A compact emitter capable of sequentially emitting blackbody-like radiation at two different temperatures is used to determine the target object's emissivity and temperature. | 11-18-2010 |
20100270469 | LENS POSITION SENSOR FOR INFRARED CAMERAS - A lens position sensor for infrared or other types of cameras, which is particularly useful in lens assemblies that have relatively limited axial travel between near field and far field lens focus positions. The camera includes a magnet or other stimulator coupled to a rotatable lens that extends within a magnet plane where the magnet plane is not normal to the optical axis of the lens. A magnetic or other sensor senses the position of the magnet, which is indicative of the lens position. | 10-28-2010 |
20100237245 | SHUTTERLESS INFRARED IMAGER ALGORITHM WITH DRIFT CORRECTION - An infrared imaging system having functionality for maintaining image quality in the presence of temperature drift of the system. Such functionality is applied repetitively to maintain image quality of a target scene, yet without continuous actuation of a shutter of the system. The functionality of the imaging system results from implementing an imager algorithm. In use, the imager algorithm functions with a calibration curve created for the imaging system, with the curve comprising a plot of system output versus target scene temperature. | 09-23-2010 |
20100231197 | DIGITAL MULTIMETER HAVING VISIBLE LIGHT COMMUNICATION PORT - A digital multimeter can be monitored from a remote location via an on-board light source such as a backlight LED. The digital multimeter has memory, a processor operatively coupled to the memory, a light operatively coupled to the processor and the memory and a light sensitive sensor operatively coupled to the machinery and positioned proximate the light. The processor is configured to produce a first data signal containing information about the machinery, which is then modulated by the light so that the light blinks between an on state and an off state. The sensor is configured to detect the light on state and the light off state and convert the received light into a second data signal representative of the first data signal. | 09-16-2010 |
20100225901 | PON TESTER - A high resolution optical fiber length meter, live fiber detector, and reflectance tester (instrument) for single mode applications using a low power, long wavelength laser for generating wide and narrow optical pulses that are launched into a single mode fiber under test. The laser output fiber pigtail is fusion spliced to a singlemode coupler whose output is coupled to the instrument bulkhead connector. A PIN photodiode is fusion spliced to the singlemode coupler to receive the reflected light from the fiber under test. The high resolution hand-held instrument is useful in examining singlemode passive optical networks (PON). | 09-09-2010 |
20100214919 | Methods and Apparatus for Determining and Displaying a Transaction Reset Metric - An apparatus for determining and displaying a transaction reset metric of individual transactions between host devices operating over a network includes a network management device, a processor, and a display device. The network management device monitors flows between the hosts, where the individual flows include individual transactions involving exchanges of packets. The network management device identifies flow resets that terminate flows between hosts. The processor evaluates the flow resets by identifying each flow reset that occurred during an incomplete transaction as a transaction reset and computes a transaction reset count metric as the sum of transaction resets that occur. The processor also identifies individual transactions terminated by a transaction reset. The display device displays on an individual transaction basis whether or not individual transactions were terminated by a transaction reset and displays the transaction reset count metric for selected portions of the network under test. | 08-26-2010 |
20100211673 | Methods and Apparatus for Determining and Displaying WAN Optimization Attributes for Individual Transactions - An apparatus for associating WAN optimization attributes with performance metrics of transactions between hosts on a network includes a network management device, a processor, and a display device. The network management device monitors data traffic between hosts communicating over the network and collects WAN optimization information relating to the data traffic. The data traffic includes individual flows between the hosts, and the individual flows include individual transactions involving exchanges of packets. The processor computes at least one performance metric for individual transactions between the hosts and determines what types, if any, of WAN optimization were applied to the individual transactions. The display device displays on an individual transaction basis the performance metric in combination with either the types of WAN optimization applied to the individual transaction or an indication that no WAN optimization was applied to the individual transaction. | 08-19-2010 |
20100198909 | METHOD AND APPARATUS FOR THE CONTINUOUS COLLECTION AND CORRELATION OF APPLICATION TRANSACTIONS ACROSS ALL TIERS OF AN N-TIER APPLICATION - Method and apparatus for continuous collection and correlation of application transactions across multiple tiers of an N-tier application employs an application monitoring appliance that observes application data and stores transactions and statistics. A reporting server aggregates and correlates monitored data from the application monitoring appliance and provides access via a web browser for viewing by a network engineer. | 08-05-2010 |
20100182027 | TEST LEAD PROBE WITH RETRACTABLE INSULATIVE SLEEVE - The present invention is directed to a test probe having an indexable probe tip. In one embodiment, an insulative sleeve extends from the test probe and surrounds a portion of the exposed probe tip. The insulative sleeve is moveable relative to the probe tip and may be indexable to at least two positions. For instance, the insulative sleeve locks into a first position to provide a first length of the probe tip exposed from the insulative sleeve, and the insulative sleeve locks into a second position to provide a second length of the probe tip exposed from the insulative sleeve. | 07-22-2010 |
20100181990 | DIGITAL MULTIMETER HAVING REMOTE DISPLAY WITH AUTOMATIC COMMUNICATION MODE SWITCHING - A multimeter comprising a base unit having at least one test lead terminal. A remote display unit separate from the base unit is also provided. The remote display unit has a display operative to show measured parameters. The multimeter further comprises communication circuitry operative to provide electrical communication between the base unit and the remote display unit. The communication circuitry provides electrical communication in a plurality of alternative communication modes. At least two of the alternative communication modes are preferably wireless communication modes. | 07-22-2010 |
20100176828 | REVERSIBLE TEST PROBE AND TEST PROBE TIP - A reversible test probe and test probe tip. In one embodiment, a test probe tip is reversible relative to a test probe body. The reversible probe has a first probe tip at a first end and a second probe tip at a second end. The test probe body has an opening operable to receive the first probe tip and the second probe tip. When the first probe tip is positioned in the opening, the first probe tip is electrically coupled to a metal device in the test probe body. When the second probe tip is positioned in the opening, the second probe tip is electrically coupled to a metal device in the test probe body. In another embodiment, a test probe having two test probe tips is reversible relative to a test lead. | 07-15-2010 |
20100176792 | APPARATUS AND METHOD OF ZEROING A TEST INSTRUMENT - An apparatus and method for shorting together a plurality of electrical leads. The apparatus includes an electrical conductor that extends between first and second ends and a first surface and a second surface facing away from the first surface. The electrical conductor includes a central bight that is disposed between the first and second ends and has a concave contour that defines a portion of the first surface. The electrical conductor also includes first and second bights that have convex contours that define portions of the first surface. The first bight is disposed between the central bight and the first end and the second bight is disposed between the central bight and the second end. The electrical conductor also includes a first and second contact segments that are respectively disposed between the first and second bights and the first and second ends. | 07-15-2010 |
20100163730 | INFRARED IMAGING PROBE - An infrared imaging probe that includes an elongated wand and an electrically isolating connection between the imaging components, located at the distal end of the wand, and the image processing components, located at the proximal end of the wand. | 07-01-2010 |
20100155587 | SYSTEM AND METHOD FOR IMPROVING THE QUALITY OF THERMAL IMAGES - An image improvement system and method are disclosed that compensates for effects of optical scattering and pixel cross-talk on image quality in an imager employing a focal plane array. The method characterizes these effects on a test image, presents them as a set of stored numerical coefficients, and applies the coefficients during image processing. | 06-24-2010 |
20100148759 | METHOD AND APPARATUS FOR INDEXING AN ADJUSTABLE TEST PROBE TIP - Embodiments of the present invention are directed to adjustable test probe tips that are indexable. In one embodiment a mechanism is coupled to a probe tip so that the mechanism may be used to index the probe tip to a plurality of particular positions. A label portion may be provided to communicate to a user that the length of the exposed probe tip is less than a particular length, such as the maximum length an exposed probe tip may be for a particular application. | 06-17-2010 |
20100131225 | SYSTEM AND METHOD FOR DETECTING THERMOGRAPHIC ANOMALIES - A thermographic analysis method and apparatus is provided. The method includes obtaining base-line and operational thermographic profiles of a subject area, calculating a difference profile from the base-line and operational thermographic profiles, and providing an indication from the difference profile. The indication may be also based on thermographic differences in portions of the subject area that are defined as thermographic zones. | 05-27-2010 |
20100128615 | METHOD AND APPARATUS FOR THE DISCRIMINATION AND STORAGE OF APPLICATION SPECIFIC NETWORK PROTOCOL DATA FROM GENERIC NETWORK PROTOCOL DATA - Discrimination of application specific network traffic from other from general or unclassified network traffic is provided. Users may specify particular applications or data strings to be monitored. | 05-27-2010 |
20100127173 | SYSTEM AND METHOD FOR DETECTING GAS LEAKS - A gas detection system is disclosed that uses an infrared illumination source and an infrared imaging detector. The infrared source is selected to emit at wavelengths corresponding to an absorption band of a gas to be detected. The region to be analyzed for the gas is illuminated, and the infrared radiation reflects off of local surfaces back to the imaging detector. At locations where the gas is present, the infrared radiation is absorbed which reduces the back reflection to the detector. | 05-27-2010 |
20100126274 | SYSTEM AND METHOD OF IDENTIFYING THE ORIENTATION OF A TRI-AXIAL ACCELEROMETER - A system and method for analyzing a device that includes a mass configured for motion. The system includes a tri-axial accelerometer disposed to detect acceleration vectors of the device and to output three channels of acceleration data, and a user interface receiving the three channels of acceleration data. The user interface is configured to correlate the three channels of acceleration data with a reference frame defined by three orthogonal axes intersecting at a vertex, and includes a display and a selector. The display shows sets of options that represent dispositions of the device with respect to gravity, placements of the tri-axial accelerometer with respect to the device, and orientations of the tri-axial accelerometer with respect to the device. The selector selects one device disposition option, one tri-axial accelerometer placement option, and one tri-axial accelerometer orientation option. | 05-27-2010 |
20100109646 | METHOD AND APPARATUS FOR AMPLIFYING A SIGNAL AND TEST DEVICE USING SAME - An amplifier circuit is used in a multimeter to amplify signals applied between a pair of test terminals. A voltage applied to one of the test terminals is amplified by a first operational amplifier configured as a voltage follower. An output of the first operational amplifier is applied to an inverting input of a second operational amplifier configured as an integrator. An output of the second operational amplifier is connected to the other of the test terminals. A voltage generated at the output of the second operational amplifier provides an indication of the magnitude and polarity of the voltage applied to the first and second test terminals. | 05-06-2010 |
20100103976 | INFRARED TARGET TEMPERATURE CORRECTION SYSTEM AND METHOD - Infrared IR thermometer calibration systems and methods are disclosed in which the temperature of an IR thermometer calibration system is controlled such that radiation emitted by a target at a given input temperature is equal to the radiation emitted by a graybody heated to the input temperature and having an emissivity equal to an emissivity setting of an IR thermometer to be calibrated using the IR thermometer calibration system. | 04-29-2010 |
20100102839 | FOUR-WIRE OHMMETER CONNECTOR AND OHMMETER USING SAME - A four-wire ohmmeter connector includes a pair of elongated members spaced apart from each other by an interconnecting web. A pair of elongated contacts are mounted on forwardly projecting portions of each of the elongated members. An insulative housing surrounds the elongated members, contacts and web. The contacts mounted on one of the elongated members are connected through separate wires to a positive probe, and the contacts mounted on the other of the elongated members are connected through separate wires to a negative probe. The elongated members are inserted into respective terminal apertures of a four-wire ohmmeter. A pair of semi-cylindrical conductive sleeves are aligned with each of the apertures, and they make contact with and compress the respective contacts that are inserted into the aperture. | 04-29-2010 |
20100072981 | VOLTAGE MEASUREMENT INSTRUMENT AND METHOD HAVING IMPROVED AUTOMATIC MODE OPERATION - An AC/DC voltage measuring instrument is operable in a DC mode, an AC mode, or an automatic mode. In the DC mode, an input terminal is coupled directly to an analog-to-digital converter, which generates a digital output signal indicative of the amplitude of the received signal. In the AC mode, the input terminal is coupled to an RMS circuit through a capacitor. The RMS circuit generates an output signal having an amplitude indicative of the RMS amplitude of the received signal, and this output signal is coupled to the analog-to-digital converter. In the automatic mode, the input terminal is also coupled to the RMS circuit, but it is coupled to the RMS circuit without being coupled through the capacitor. The input terminal is coupled to the RMS circuit through an amplifier, and a calibration procedure is used to compensate for any offset of the amplifier. | 03-25-2010 |
20100061419 | Automated Self Calibration in Optical Detectors - A method and apparatus for automated field calibration of temperature sensors uses a series of readings including a reading of a known source, such as an LED, for use in calculating a factor that is compared to a reference for adjusting the sensor output signal. Calibration readings are taken more frequently after start up to compensate for sensor drift during storage, as opposed to less frequent readings during operation to compensate for slower sensor drift while operational. | 03-11-2010 |
20100058222 | GRAPHICAL USER INTERFACES AND METHODS FOR THERMOGRAPHY - A graphical user interface facilitates methods for analyzing a temperature distribution across a scene that is captured by a thermal imaging device. Preferably, the interface includes a both a two-dimensional image of the captured scene and a three-dimensional representation of the captured scene. The three-dimensional representation is formed by a plurality of pixels, each of which are coded by a qualitative value from within a range of qualitative values, and each value, within the range, corresponds to a temperature. Each of the plurality of pixels is arranged, in a first and a second dimension of the three dimensions, according to a position of a corresponding pixel of the two-dimensional image, and, in a third dimension, according to a magnitude of the temperature associated therewith. | 03-04-2010 |
20100054424 | INTEGRATED PATIENT POSITIONING AND RADIATION QUALITY ASSURANCE SYSTEM AND METHOD - High intensity x-ray radiation therapy is used in the medical industry to treat tumors. Patients typically receive radiation treatment over a period of time, in which a quality assurance test of the x-ray beam is performed before each treatment. These quality assurance tests are performed by a detection device that receives the x-ray beam and measures the intensity, shape and uniformity of the x-ray beam. The integrated patient positioning and radiation quality assurance system includes recess assemblies into which an x-ray detection device is inserted to fix the location of the x-ray detection device on the board. As a result, the accuracy of the quality assurance test is improved and the set up time is reduced. | 03-04-2010 |
20100046577 | THERMAL INSTRUMENT ENGINE - An engine for use in a thermal instrument. The engine includes an infrared camera module and may also include a visible light camera module. The engine includes several temperature sensors mounted on a printed circuit board assembly that permit the engine to provide improved radiometry functionality and improved fine offset compensation capabilities. | 02-25-2010 |
20100046377 | List-Based Alerting in Traffic Monitoring - A technique for identifying deviations in patterns of data traffic between host devices communicating over a network involves establishing a baseline traffic distribution by categorizing data traffic during a learning period. The baseline traffic distribution includes a list of categories and a metric value and a measure of variability of the metric value for each category in the list. An observed traffic distribution is generated by categorizing data traffic during an observation period. The observed traffic distribution includes a list of categories and a metric value associated with each category in the list. An alarm is generated in response to at least one of the metric values of the categories of the observed traffic distribution deviating significantly from the corresponding metric value in the baseline traffic distribution based on a pair-wise comparison of the observed metric values with respective thresholds established for corresponding categories of the baseline traffic distribution. | 02-25-2010 |
20100045809 | INFRARED AND VISIBLE-LIGHT IMAGE REGISTRATION - Methods and thermal imaging cameras are provided for registering visible-light and infrared images within a thermal imaging camera to reduce a parallax error in the images. Registration generally includes detecting a first feature set in the visible-light image data, detecting a second feature set in the infrared image data and generating a plurality of overlapping alignments of the infrared image data and the visible-light image data. A similarity figure is calculated as a function of the relative alignment of the first feature set and the second feature set for each alignment and the alignment with the desired similarity figure is selected. The images are aligned and the camera displays at least a portion of the visible-light image data and/or at least a portion of the infrared image data. | 02-25-2010 |
20100045262 | APPARATUS AND METHOD OF ZEROING A TEST INSTRUMENT - An apparatus and method for shorting together a plurality of electrical leads. The apparatus includes an electrical conductor that extends between first and second ends and a first surface and a second surface facing away from the first surface. The electrical conductor includes a central bight that is disposed between the first and second ends and has a concave contour that defines a portion of the first surface. The electrical conductor also includes first and second bights that have convex contours that define portions of the first surface. The first bight is disposed between the central bight and the first end and the second bight is disposed between the central bight and the second end. The electrical conductor also includes a first and second contact segments that are respectively disposed between the first and second bights and the first and second ends. | 02-25-2010 |
20100040109 | MULTI-ZONE NON-CONTACT SPOT THERMOMETER - A non-contact measurement device includes two or more detectors for sensing scene data from corresponding measurement zones within a target scene. Devices further include an optical system for imaging scene data from the target scene onto the detectors. The optical system is configured to provide a different optical profile for each detector, such that the device can be used to provide a best-fit optical profile for a variety of non-contact applications. | 02-18-2010 |
20100037626 | TEMPERATURE CALIBRATION DEVICE HAVING RECONFIGURABLE HEATING/COOLING MODULES TO PROVIDE WIDE TEMPERATURE RANGE - A temperature calibration device uses Peltier cells for heating and cooling. The Peltier cells are connected to a relay that connects the cells to each other in one configuration for heating and a different configuration for cooling. The Peltier cells also receive supply voltages having different magnitudes and polarities for heating and cooling. By changing the manner in which the Peltier cells are connected to each other and using different supply voltages for heating and cooling, the cells are able to operate closer to their specified maximum temperature differential without sacrificing the useful life of the cells. | 02-18-2010 |
20100020389 | Articulating Infrared Window - An articulating infrared window to be installed into a panel of a cabinet is disclosed. The window includes a window housing and an infrared transparent pane. The infrared transparent pane is installed within the window housing. Embodiments of the window housing can include various articulation mechanisms including individually or in combination a double gimbal assembly, a single gimbal and rotary stage, a ball and socket joint, and an extension joint (such as a bellows) for articulating the infrared transparent pane. | 01-28-2010 |
20100017507 | METHOD AND APPARATUS OF COMBINING MULTIPLE PACKETS INTO PROTOCOL TRANSACTIONS WITH REQUEST AND RESPONSE DETAIL FOR ENHANCED TROUBLESHOOTING IN A LINE RATE NETWORK MONITORING DEVICE - Multiple packets are combined into protocol transactions with request and response detail for enhanced troubleshooting in a network monitoring device. The analysis may be done at a line rate, in an always on operation mode, providing constant gathering of analysis data and information. | 01-21-2010 |
20100014746 | INTERACTIVE USER INTERFACES AND METHODS FOR VIEWING LINE TEMPERATURE PROFILES OF THERMAL IMAGES - An interactive graphical user interface includes a moveable pointer, which may be activated to select points of a computer-generated thermal image of an object, as the pointer is moved over a display of the image, so that line temperature profiles, which correspond to predetermined lines extending through the selected points, may be viewed, for example, on a line temperature profile chart of the interface, for each selected point as the pointer is moved. Each predetermined line extends between the corresponding selected point and another, predetermined, point of the image. The other predetermined point may either coincide with an origin of an x-axis or a y-axis of an orthogonal coordinate system, in which the image is aligned, or may be any other point of the thermal image, for example, one that is pre-selected by a user, with the moveable pointer. | 01-21-2010 |
20090326909 | REMOTE COMMAND INTERPRETER - A host instrument is disclosed that is capable of supporting non-native command sets. The host instrument uses interpretation rules to translate a non-native command into one or more actions. The host instrument also uses the interpretation rules to determine the appropriate responses to be transmitted, if any. The actions and responses of the host instrument emulate those of an alternate instrument that supports the command set. | 12-31-2009 |
20090314055 | SYSTEM TO CONTROL PRESSURE IN A TEST DEVICE - Embodiments of the present invention are directed toward pressure controllers and calibrators for setting or measuring pressures in test devices. In one embodiment, the pressure controller contains a dual reference pressure controller. The dual reference pressure controller is operable to maintain two different pressures relative to a reference pressure. The first pressure being a relatively fixed amount greater than the reference pressure and the second pressure being a relatively fixed amount less than the reference pressure. | 12-24-2009 |
20090312984 | SYSTEM AND METHOD FOR OBJECTIVE SELF-DIAGNOSIS OF MEASUREMENT DEVICE CALIBRATION CONDITION - A measurement system uses a plurality of transducers that may differ from each other in at least one respect, such as having different operating principles or being made by different manufacturers. Respective measurement values obtained from the transducers are applied to a processor which provides a measured value based on the measurement values from a plurality of the transducers. The processor also provides information about the calibration drift of each of the transducers based upon a comparison between the measurement value obtained from the transducer to a value obtained from a combination of respective measurement values obtained from a plurality of the transducers. The calibration drift information provides an objective evaluation about the calibration condition of each of the transducers. When a transducer is determined to be outside of its calibration tolerance, a calibration needed alert occurs. | 12-17-2009 |
20090302219 | VISIBLE LIGHT AND IR COMBINED IMAGE CAMERA - Methods, camera, and a computer-readable medium for registering on a camera display infrared and visible light images of a target scene taken from different points of view causing a parallax error. | 12-10-2009 |
20090296593 | METHOD AND APPARATUS OF MEASURING AND REPORTING DATA GAP FROM WITHIN AN ANALYSIS TOOL - Network data gap is determined and reported to enable a user to validate that all the traffic that was intended to be monitored is being monitored in monitoring and/or troubleshooting tools for observation of network traffic and network installation and maintenance. Span port oversubscription, incomplete span configuration, incorrectly placed network taps and monitoring device packet drop may thereby be detected and reported as data gap. | 12-03-2009 |
20090296592 | METHOD AND APPARATUS OF MEASURING AND REPORTING DATA GAP FROM WITHIN AN ANALYSIS TOOL - Network data gap is determined and reported to enable a user to validate that all the traffic that was intended to be monitored is being monitored in monitoring and/or troubleshooting tools for observation of network traffic and network installation and maintenance. Span port oversubscription, incomplete span configuration, incorrectly placed network taps and monitoring device packet drop may thereby be detected and reported as data gap. | 12-03-2009 |
20090262341 | AUTOMATED DISPLAY QUALITY MEASUREMENT DEVICE - A method and apparatus for automating a quality assurance test conducted on display devices used for diagnostic imaging. In one embodiment, the apparatus includes an automated mechanical system for scanning a light meter over a test pattern displayed on a display device. In another embodiment, the method comprises an automated method of comparing the measured data from the light meter with an ideal image. In another embodiment, the method comprises obtaining a digital image of the test pattern displayed on the display device, and the digital image is compared with an ideal image. | 10-22-2009 |
20090240846 | UNIVERSAL SERIAL BUS MASS STORAGE DEVICE ASYNCHRONOUS FILE AND FILE SYSTEM UPDATE WHILE CONNECTED TO A PC OR OTHER DEVICE - A system and method for universal serial bus mass storage device asynchronous file and file system update while connected to a pc or other device employs setting error flags and timestamp change flags when a file is changed, and returning the error conditions in reply to a REQUEST_SENSE command. | 09-24-2009 |
20090189597 | INSTRUMENT FOR TESTING AN ELECTRICAL CIRCUIT - An instrument for testing an electrical circuit includes a housing, a printed circuit board disposed within the housing, and at least one probe in electrical communication with the printed circuit board. The instrument further includes a plurality of panels disposed within the housing, wherein each one of the plurality of panels has an indicator. Each of the plurality of panels is capable of being activated into an on state in response to an electrical measurement. When at least one of the plurality of panels is activated the indicator on that panel substantially corresponds to a magnitude of the electrical measurement. | 07-30-2009 |
20090187568 | FREE STRING MATCH ENCODING AND PREVIEW - A system for entering data in a format that is easy to use, enabling selection of encoding format and displaying the resulting search data string in format to enable generation of byte sets for supplying to free string match algorithm for application to network data. | 07-23-2009 |
20090140721 | DIGITAL MULTIMETER HAVING IMPROVED RECORDING FUNCTIONALITY - A digital multimeter automatically records measurements of electrical or physical parameters. The multimeter may record the measurements based on events such as the passage of time, fluctuations or deviations in the measurements, or user inputs. In some examples, the digital multimeter operates at a reduced power setting during automatic recording operations. | 06-04-2009 |