Class / Patent application number | Description | Number of patent applications / Date published |
340653000 | Electronic circuit or component | 35 |
20080224879 | Mounted shock sensor - This application is directed to a shock sensor mounted in an electronic device. The shock sensor includes both active and passive shock detection methods that allow a technician to determine whether the electronic device was subjected to a shock event that exceeded an impact threshold level. The shock sensor may include shock detection contacts that form an electrical circuit that remains open in the absence of a shock event that exceeds an impact threshold level. In response to a significant shock event, a movable component or substance of the shock sensor may move from a first position to a second position, thereby closing the electrical circuit formed by the shock detection contacts. The change in circuit may be detected and used to provide active indication of whether the electronic device has been subjected to a substantial shock event. In addition, the shock sensor may be observed to passively determine whether the electronic device has been subjected to a substantial shock event. | 09-18-2008 |
20080238702 | Electrostatic discharge protection device with phosphors and method of fabricating the same - An exemplary electrostatic discharge protection device includes: an electrostatic discharge part configured for discharging electrostatic when the electrostatic is larger than a threshold value; and a light emitting part configured for emitting light when electrostatic discharge happens. | 10-02-2008 |
20080291040 | MONITORING SYSTEMS AND METHODS FOR MONITORING THE CONDITION OF ONE OR MORE COMPONENTS OF AN ELECTRICAL DEVICE - Methods and systems for monitoring a component of an electrical device and/or a brush of a brush holder assembly are disclosed. One method includes receiving data from a plurality of remote monitoring locations at a central control unit, where the data may be evaluated in order to monitor states of brushes or other components of an electrical device at a plurality of remote electrical facilities. For example, multiple images of a component of an electrical device may be acquired. A comparison of the images, for example, a comparative imaging technique, such as pixel-by-pixel comparison or visual observation, may then be performed in order to evaluate a condition of the brush or other component, such as a threshold and/or anomalous condition of the brush or other component. | 11-27-2008 |
20080303680 | Display for Active Power Filter - A display for active power filter can be employed to show setting compensation parameters and real compensating information of the active power filter in operation in a same screen. Accordingly, the users can immediately diagnose whether resonance or other problem was appeared or not. | 12-11-2008 |
20090021384 | Method of Sampling a Modulated Signal Driven Channel - An automated method of sampling an electrical condition of each of a plurality channels, the method comprising: driving each of the plurality of channels with a modulated signal; providing a settable flag associated with each of the plurality of channels; selecting one of the plurality of channels; identifying if the settable flag associated with the selected one of the plurality of channels is set; and in the event that the settable flag associated with the selected one of the plurality of channels is not set, and a function of the modulated signal of the selected one of the plurality of channels is active and stable: sampling an electrical condition of the selected one of the plurality of channels; and setting the provided settable flag associated with the selected one of the plurality of channels. | 01-22-2009 |
20090040059 | Apparatus to Monitor Process-Based Parameters of an Integrated Circuit (IC) Substrate - A process monitor measures the absolute value of unit sample resistors and transistors on a common Integrated Circuit (IC) substrate. This information can be used to adjust the gain of an amplifier assembly to a desired value, or to determine the true, corrected gain of such the amplifier assembly. Also, process information about process variations corresponding to the common IC substrate can be collected from the process monitor. Gain correction factors are derived and applied to the amplifier assembly to compensate for the process variations using the gain value and the process information. | 02-12-2009 |
20090051558 | Method and apparatus for providing optical indications about a state of a circuit - An apparatus or corresponding method according to an embodiment of the invention provides optical indications about the state of a circuit on a circuit board. A standard Small Form-Factor Pluggable (SFP) connector component and an optical light transmission element are arranged at different angles relative to an edge of the circuit board, with the connector component being angled other than perpendicular to an edge of the circuit board to increase the density of connector components per circuit board or relieve bending strain on an external cable connected to the connector component. The optical light transmission element may include at least three mounting features to attach the transmission element to the circuit board. The optical light transmission element includes a light propagating region, supporting total internal reflection, and a light-emitting end to output light at a front panel of the circuit board near the associated connector component. A single piece embodiment eliminates a separate clip, thereby increasing ease of manufacture, assembly, and repair while decreasing cost. | 02-26-2009 |
20090072984 | Health monitoring for power converter components - A power converter including a processor and at least one component whose health in the power converter will degrade over time is disclosed. The processor is configured for monitoring the health of the component over time, and for generating a warning signal when the monitored health of the component reaches a threshold level. A method for monitoring the health of at least one component in a power converter is also disclosed. The method includes monitoring at least one performance characteristic of the power converter. The performance characteristic represents the health of the component. The method further includes comparing the monitored performance characteristic with stored data to determine whether the health of the component has reached a predetermined level, and generating a warning signal after determining the health of the component has reached the predetermined level. | 03-19-2009 |
20090109047 | Skew adjusting apparatus, transmitting and receiving system, and skew adjusting method - A skew adjusting apparatus includes: latching circuits that latch other signals in synchronism with transition timing of the signal level of a reference signal among signals transmitted with a plurality of communication cables; delay elements that are provided on the plurality of communication cables, and delay the signals transmitted with the plurality of communication cables, respectively; and a controller that controls the delay elements based on the outputs of the latching circuits to adjust skews between the signals. | 04-30-2009 |
20090219164 | FAULTED CIRCUIT INDICATOR WITH FAULT CHARACTERISTIC DETECTION AND DISPLAY - A display for a faulted circuit indicator is disclosed. A plurality of light-emitting diodes are arranged so that at least one diode is visible to a person approaching the faulted circuit indicator from a determined angle of approach. When a fault is detected, the faulted circuit indicator flashes the plurality of light-emitting diodes in a predetermined pattern depending on whether a permanent or temporary fault is detected. | 09-03-2009 |
20100052928 | Intelligent Security Controller - An intelligent security system that can be retrofit with existing equipment in the field, where the system, upon connection to existing End-Of-Line resistors automatically reads and calibrates itself to function with the various resistors already installed. The system provides for interrogation of non-supervised devices and may be remotely managed via a network connection. The system is designed as a fully integrated and easy to install security system that minimizes installation time and costs and provides for a compact and neat controller. | 03-04-2010 |
20100060470 | FAILURE CAUSE IDENTIFYING DEVICE AND METHOD FOR IDENTIFYING FAILURE CAUSE - A failure cause identifying device has a device parameter acquisition part configured to acquire a device parameter indicative of an operating state of a manufacturing device, an alarm generator configured to generate a device alarm with respect to the device parameter in accordance with a predetermined rule during the operation of the manufacturing device, a trouble acquisition part configured to acquire information relating to at least a part of troubles occurred in the manufacturing device, a significance detector configured to detect significance of a relationship between the device alarm and the trouble, and a significance judging part configured to judge whether or not a relationship between the device parameter and the trouble is significant based on the significance detected by the significance detector. | 03-11-2010 |
20100090849 | ELECTRIC EQUIPMENT WITH DIGITAL INTERFACE AND METHOD FOR CONTROLLING THE SAME - In electric equipment that has a digital interface, an operation that is normally performed by an output terminal during authentication processing is executed on equipment connected to an input terminal of the digital interface by the input terminal as an erroneous connection detection operation. When there is a proper response from the equipment connected to the input terminal of the digital interface in response to the erroneous connection detection operation, the electric equipment detects that the connected equipment has been erroneously connected. When an erroneous connection is detected, the electric equipment gives notice of the detection of the erroneous connection. | 04-15-2010 |
20100097234 | Local Area Warning of Optical Fiber Intrusion - Disclosed is a method and apparatus which provides for alerting of potential fiber optic cable intrusion. A stress detector located at a fiber optic cable termination point detects stress on the fiber optic cable and generates an alarm signal in response to the stress detection. The alarm signal is transmitted to remote alarm units along the fiber optic right of way via a conductive metallic portion of the fiber optic cable (e.g., the fiber optic cable sheath). In response to receipt of an alarm signal, the alarm units initiate a perceptible (e.g., audible and/or visible) alarm. The stress detector may also determine a location of the stress, and generate an alarm signal addressed to a particular one or more alarm units in the vicinity of the stress location. | 04-22-2010 |
20100109892 | Intelligent Patch Panel Sensor Modules Having Infrared Emitters and Sensors for Detecting Patch Cords - A communications patching system includes a patch panel having a plurality of connector ports on a side thereof, and a sensor module secured to the patch panel side. The sensor module includes a plurality of pairs of IR emitters and sensors, with each emitter/sensor pair located adjacent to a respective one of the connector ports. Each emitter/sensor pair is configured to detect insertion and removal of a patch cord connector from a respective connector port. The sensor module includes a housing and a printed circuit board (PCB) secured to the housing. The IR emitters and sensors are electrically connected to the PCB, and the PCB includes a processor and memory for controlling the IR emitters and sensors. | 05-06-2010 |
20100141462 | CIRCUIT FOR INDICATING OPERATING STATUS OF COMPUTER HARDWARE DEVICES - A circuit for indicating operating status of a plurality of hardware devices of a computer includes a detecting module, a decoding module, and an indicating module. The indicating module includes a dual color indicator and two electronic switches connected to a first input and a second input of the dual color indicator respectively. The detecting module detects an operating status of the plurality of hardware devices, and outputs state signals of each hardware device during power on self test of the computer. The decoding module decodes the state signals, and outputs level control signals to turn on or off the two electronic switches. The dual color indicator indicates operating status of the plurality of hardware devices by shifted to be at different indicating states by the two electronic switches correspondingly. | 06-10-2010 |
20100164735 | System And Method For Testing Power Transistors - A method for testing a power converter having at least one power transistor is disclosed. The method may include receiving a power transistor test request, and resetting a fault flag. The method may also include applying a gate driver signal to each power transistor, receiving a feedback signal from each power transistor, and determining a difference between the gate driver signal and the feedback signal associated with a respective power transistor. The method may further include identifying a fault if the difference exceeds a threshold profile, and setting a fault flag when a fault is identified. | 07-01-2010 |
20100238039 | SYSTEMS AND METHODS FOR AUTOMATED PROGRAMING OF RFID TAGS USING MACHINE READABLE INDICIA - Methods and systems for automatically programming an RFID tag using machine readable indicia. A dual mode device performs a bar code scan of a bar coded label. Information obtained from the bar code scan is stored. This information may be used to query a database indexed by the bar code information that contains detailed product information. The bar code information as well as the detailed information may be transmitted in an RF signal by the dual mode device to an RFID tag to be stored in a memory structure in the tag. The dual mode device may perform a read operation on the tag after the write operation to confirm that the data was successfully stored and provide an indication thereof. The indication may be a visual indication, a textual indication, an audible indication or combinations of these. | 09-23-2010 |
20100302052 | INTELLECTUALIZED POLARITY IDENTIFICATION DEVICE - The invention involves an intellectualized polarity identification device which comprises an electromagnetic module connected with a control circuit. The electromagnetic module comprises a magnetic inductor (electromagnet), a movable contact plate coaxially set with the magnetic inductor (electromagnet) and stationary contact plates. The control circuit comprises a reversed-polarity alarm protecting circuit connected with a correct-polarity conducting circuit. The reversed-polarity alarm protecting circuit comprises an alarm circuit and a protection circuit, the protection circuit comprising a diode and a photocoupler. The correct-polarity conducting circuit comprises a conduction circuit and an indicator circuit, respectively connected with the photocoupler. The intellectualized polarity identification device is electromagnetically controlled such that a closed circuit is created only when the device is connected with the correct polarity. | 12-02-2010 |
20110012740 | CHARGED CAPACITOR WARNING SYSTEM AND METHOD - A capacitor warning circuit, and method of providing a warning are provided, the circuit comprising a capacitor capable of being charged to a charged state and a warning circuit coupled to the capacitor and adapted to provide an indication that the capacitor is in the charged state, wherein the warning circuit is powered by energy accumulated in the capacitor when the capacitor is in the charged state. | 01-20-2011 |
20110090089 | METHOD AND APPARATUS FOR DETECTING A FAULT IN A SOLAR CELL PANEL AND AN INVERTER - A method and apparatus for detecting a fault of a solar panel and an inverter in a solar array includes a monitoring device to detect and to identify a fault of a solar panel and an inverter in a solar array. The method generates a normal operation profile by extracting median values of operation profiles from multiple solar panels in a solar array and then compares an individual operation profile against a normal profile to determine a fault in a solar panel. The method and apparatus can detect a fault in a combination of solar panel and inverter and can identify a fault in an inverter. The method and apparatus can store faulty profiles in a database for particular faults in a solar panel. The method and apparatus can then compare an operation profile from a faulty solar panel with a number of faulty profiles in a database to identify the type of the fault and then generate and report the fault and suggest corrective action. | 04-21-2011 |
20110156920 | PROTECTIVE ELECTRICAL WIRING DEVICE WITH A CENTER NIGHTLIGHT - The present invention is directed to an electrical wiring device that includes a cover assembly is coupled to the housing. The cover assembly includes at least one set of receptacle openings disposed on either side of a central portion of the cover assembly in communication with a portion of the plurality of receptacle terminals. A fault detection circuit is configured to provide a fault detection output in response to detecting a fault condition. A circuit interrupter is coupled between the plurality of line terminals and the plurality of load terminals. A light assembly is coupled to the plurality of line terminals or the plurality of load terminals. The light assembly has a light transmission region disposed in the central portion and occupying a substantial portion of a width of the cover assembly. The light assembly is selectively driven from a deenergized state to a light emitting state in response to a predetermined stimulus. | 06-30-2011 |
20110169650 | Integrated Condition Or Actuation Monitoring And Control Component For Switches, Circuit Breakers, Panel Boards, And Other Items For Electrical Control And Circuit Protection - A sensor is coupled to a device positioned within an enclosure and is configured to determine the status of the device or its surrounding environment. The sensor transmits the information to a central computer and/or a local indicator. Once the information is received at the central computer, the information is processed for the operators and maintainers to interpret. Based on the information received, the operators and maintainers may implement procedures to maintain the device or its surrounding environment under observation. In certain embodiments, the central computer provides instructions to a second device within or adjacent to the enclosure to implement corrective actions. In some embodiments, the sensor is coupled to a microcontroller which performs analysis received from the sensor and provides instructions to the second device to implement corrective actions. | 07-14-2011 |
20110221601 | Detecting Engagement Conditions Of A Fiber Optic Connector - A fiber optic device is connectable to a fiber optic cable connector to provide an optical communication channel. The fiber optic device is operable to detect a plurality of engagement conditions of the fiber optic device relative to the connector and to provide output signals indicative of a present engagement condition. Some embodiments provide a transceiver, and during insertion of a cable connector into the transceiver different electrical signals are provided to engagement status logic, corresponding to different levels of insertion of the connector into the transceiver | 09-15-2011 |
20120105240 | RELIABILITY EVALUATION AND SYSTEM FAIL WARNING METHODS USING ON CHIP PARAMETRIC MONITORS - A method of reliability evaluation and system fail warning using on chip parametric monitors. The method includes determining impact of parametric variation on reliability by identifying key parametric questions to be answered by stress, identifying parametric macros for each parameter, and identifying layout sensitive areas of evaluation. The process can also include a set of parametric macros in one of a test site or a product to be stressed, testing the set of parametric macros prior to start of stress and at each stress read out, and setting life time parameter profile for technology. | 05-03-2012 |
20120268283 | CIRCUIT BOARD HAVING CURRENT BALANCE FUNCTION - A circuit board includes a current balancing unit that receives a number of current values from ammeters. A minimum current value between the current values is determined by the current balancing unit. Resistance of one or more variable resistors of the current balancing unit is adjusted by the current balancing unit to make the current value from one or more the ammeters serially connected to the one or more the variable resistors to be substantially equal to the minimum current value. | 10-25-2012 |
20120286961 | MALFUNCTION DETECTING DEVICE FOR SOLAR CELL PANEL - A malfunction detecting device for a solar cell panel includes an AC source that is provided on one of positive and negative sides of a solar cell panel body and can apply AC voltage superimposed on DC voltage to the solar cell panel, a measuring means provided on another of the positive and negative sides of the solar cell panel body to measure voltage or current output from the solar cell panel, and a control unit including a malfunction determination portion that controls the AC source to control input voltage or input current to be input to the solar cell panel and determines malfunction in the solar cell panel by comparing the input voltage or the input current to output voltage or output current measured by the measuring means. The malfunction determination portion includes a panel body malfunction determination portion and a bypass diode malfunction determination portion. | 11-15-2012 |
20130044003 | Intrusion Detection and Communication - An intrusion detection system disclosed herein includes a detector circuit that measures a change in value of impedance of an interconnection circuitry. A decoder coupled to the detector decodes the measured value of the change in the impedance of the interconnection circuitry to determine existence of an abnormal condition. In an example implementation of the intrusion detection system, the change in the value of the impedance of the interconnection circuitry is represented by a change in the phase delay on the interconnection circuitry. An implementation of the intrusion detection circuit terminates communication using the interconnection circuitry upon detection of the abnormal condition. The intrusion detection system is further configured to interpret the abnormal condition as a communication signal to the interconnection circuitry. | 02-21-2013 |
20130063273 | FAULT ISOLATION AND SERVICE RESTORATION IN AN ELECTRIC GRID - Fault isolation and service restoration in an electrical grid are provided. An approach for receiving a notification message including a state of an electrical component on an electrical grid, and determining, by a computing system, a command message including at least one action to take in response to the state of the electrical component, is described. The approach further includes sending the command message to at least one of the electrical component and other electrical components on the electrical grid. | 03-14-2013 |
20130106611 | INTELLIGENT PATCH PANEL SENSOR MODULES HAVING INFRARED EMITTERS AND SENSORS FOR DETECTING PATCH CORDS | 05-02-2013 |
20130285823 | CIRCUIT MONITORING DEVICE - The circuit monitoring device is disclosed. The device is for monitoring circuit resistance. At configurable thresholds digital flags are triggered, the device can be used as a Security/Building management system. The device uses open technology is fully scaleable and allows programmable logic controllers to be used as security management systems. Using a soft logic option a PC could take the place of the PLC. | 10-31-2013 |
20140055273 | METHOD OF ALARMING ABNORMAL STATE OF AUTOMATED MANUFACTURING SYSTEM BASED ON PLC SIGNAL PATTERN - A method of alarming an abnormal state of a line of an automated manufacturing system using a programmable logic controller (PLC) signal pattern is provided. The method includes obtaining a plurality of change sequences of a plurality of PLC signals for control of the line in a normal operating system by repeating a cycle for which the line is sequentially controlled by the PLC signals that are transmitted and received between a PLC and the line according to an operation of PLC internal logic; acquiring a reference sequence from a plurality of the change sequences, wherein the reference sequence indicates an order of change of a plurality of the PLC signals for control of the line in a normal operating state; and determining whether the line is in a normal operating state or an abnormal operating system based on whether or not the reference sequence is matched with a change sequence of a plurality of PLC signals for control of the line in use after the acquisition of the reference sequence, and outputting a determination result. | 02-27-2014 |
20150091733 | CIRCUIT MONITORING DEVICE - The circuit monitoring device is disclosed. The device is for monitoring circuit resistance. At configurable thresholds digital flags are triggered, the device can be used as a Security/Building management system. The device uses open technology is fully scaleable and allows programmable logic controllers to be used as security management systems. Using a soft logic option a PC could take the place of the PLC. | 04-02-2015 |
20160133110 | CABLE SIGNAL DETECTOR - A cable signal detector for being provided at a connector at an end of a communication cable transmitting differential signals or at a relay connector to be connected to the connector to detect an existence of information communication. The cable signal detector includes an amplifier circuit that branches and extracts a portion of a signal transmitted through the communication cable, amplifies the extracted signal and outputs the amplified signal, and a display portion that display the existence of information communication based on the output of the amplifier circuit. The amplifier circuit is mounted on a detection device formed separately from the connector or the relay connector. The connector or the relay connector is configured to transmit the extracted signal to the detection device. | 05-12-2016 |
20160190749 | Plug Connector - In a plug connector for connecting a field device of automation technology to an energy supply and/or to an evaluation unit, the plug connector includes a connection plug (M | 06-30-2016 |