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Karthik
Karthik Boinapally, Fremont, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090017222 | Plasma enhanced bonding for improving adhesion and corrosion resistance of deposited films - Plasma Enhanced Bonding (PEB) during a coating process is used to improve both adhesion and corrosion resistance of the resulting coating. New interfacial compounds may be formed, offering the increased resistance to corrosion, as well as enhanced bonding to the workpiece being coated and any subsequently formed layer, such as diamond-like carbon. In one embodiment, the PEB processing is employed during coating of at least one interior surface of the workpiece, which may be a pipe. In a first step, a thin film is deposited. Then, the film is exposed to a high energy etch-back plasma. This two-step cycle of depositing a film and then providing bombardment of the film may be repeated a number of times. Typically, the deposition step of the cycle is much shorter than the bombardment step. | 01-15-2009 |
| 20090017230 | Corrosion-resistant internal coating method using a germanium-containing precursor and hollow cathode techniques - Enhanced corrosion resistance is achieved in a coating by using a germanium-containing precursor and hollow cathode techniques to form a first layer directly on the surface of a workpiece, prior to forming an outer layer, such as a layer of diamond-like carbon (DLC). The use of a germanium or germanium-carbide precursor reduces film stress and enables an increase in the thickness of the subsequently formed DLC. Germanium incorporation also reduces the porosity of the layer. In one embodiment, a cap layer containing germanium is added after the DLC in order to further reduce the susceptibility of the coating to chemical penetration from the top. | 01-15-2009 |
| 20110151141 | CHEMICAL VAPOR DEPOSITION FOR AN INTERIOR OF A HOLLOW ARTICLE WITH HIGH ASPECT RATIO - A method and apparatus for plasma enhanced chemical vapor deposition to an interior region of a hollow, tubular, high aspect ratio workpiece are disclosed. A plurality of anodes are disposed in axially spaced apart arrangement, to the interior of the workpiece. A process gas is introduced into the region. A respective individualized DC or pulsed DC bias is applied to each of the anodes. The bias excites the process gas into a plasma. The workpiece is biased in a hollow cathode arrangement. Pressure is controlled in the interior region to maintain the plasma. An elongated support tube arranges the anodes, and receives a process gas tube. A current splitter provides a respective selected proportion of a total current to each anode. One or more notch diffusers or chamber diffusers may diffuse the process gas or a plasma moderating gas. Plasma impedance and distribution may be controlled using various means. | 06-23-2011 |
Karthik Boinappaly, Fremont, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090311443 | METHOD OF COATING INNER AND OUTER SURFACES OF PIPES FOR THERMAL SOLAR AND OTHER APPLICATIONS - In accordance with one embodiment of the invention, a workpiece having a smaller cross sectional dimension (e.g., diameter) is centered within a workpiece having a larger cross sectional dimension, with the workpieces being electrically connected. In this embodiment, surfaces of the two workpieces can be coated simultaneously, either with the same coating material or different coating materials. In another embodiment, holes are located along the length of an internal metal tube which functions as a gas distribution injector and anode holder. A ceramic liner may be placed inside the internal metal tube, with a conductive wire within the ceramic liner. The internal metal tube may be biased as a cathode, while the internal wire is biased as an anode. The hollow cathode effect is applied in all spaces directly adjacent to the surface or surfaces being coated. In some applications, different surfaces being coated are biased at different voltages. | 12-17-2009 |
Karthik Colinjivadi, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20120070589 | CREATION OF MAGNETIC FIELD (VECTOR POTENTIAL) WELL FOR IMPROVED PLASMA DEPOSITION AND RESPUTTERING UNIFORMITY - A physical vapor deposition (PVD) system includes a chamber and a target arranged in a target region of the chamber. A pedestal has a surface for supporting a substrate and is arranged in a substrate region of the chamber. A transfer region is located between the target region and the substrate region. N coaxial coils are arranged in a first plane parallel to the surface of the pedestal and below the pedestal. M coaxial coils are arranged adjacent to the pedestal. N currents flow in a first direction in the N coaxial coils, respectively, and M currents flow in a second direction in the M coaxial coils that is opposite to the first direction, respectively. | 03-22-2012 |
Karthik Dakshinamoorthy, Bangalore IN
| Patent application number | Description | Published |
|---|---|---|
| 20080205396 | Time-based authorization of Internet Protocol (IP) multicast subscription services - A switching device (e.g., router, bridge) provides time-based authorization of multicast services. When a message is received to request the delivery of a multicast service or a first message is sent to a multicast group, a subscription policy for the IP multicast subscription service is retrieved. This subscription policy includes one or more limitations which allow the IP multicast subscription service during some predefined time of day/week or duration but prevent the IP multicast subscription service during some predefined time of day/week or duration. The switching device is configured to enforce these time-based authorization of multicast services policies. | 08-28-2008 |
| 20090316697 | Pre-Dropping of a Packet if Its Time-To-Live (TTL) Value is Not Large Enough to Reach a Destination - Disclosed are, inter alia, methods, apparatus, computer-storage media, mechanisms, and means associated with pre-dropping of a packet if its Time-To-Live (TTL) value is not large enough to reach a destination, such as, but not limited to, its destination if it is a unicast packet, or at least one more destination for a multicast packet. A packet switching device maintains associations between (a) nearest receiving node distances and (b) prefixes or complete addresses. If a packet does not have enough TTL to reach an intended recipient identified by a corresponding nearest receiving node distance, then the packet is dropped even though the TTL has not expired. In this manner, some bandwidth and other network resources are not wasted on traffic that will timeout via the TTL mechanism before reaching a subsequent intended recipient. | 12-24-2009 |
Karthik Giritharan, Bangalore IN
| Patent application number | Description | Published |
|---|---|---|
| 20120112759 | SYSTEM AND METHOD FOR TESTING A SECONDARY SERVO CONTROL CIRCUIT IN A REDUNDANT CONTROL CONFIGURATION - A system, apparatus and method are provided for testing a secondary servo control circuit in a redundant control configuration. A first circuit is configured to receive a control signal and to control an attribute of an actuator based on the control signal using a first control input of the actuator. A second circuit is configured to test operation of an actuator circuit using a test signal. The actuator circuit includes at least part of the second circuit and a second control input of the actuator. The test signal is selected to avoid causing independent motion of the actuator. The actuator could be a dual coil servo valve, and the test signal could be a current (such as a DC current, an AC current, or a pulsed current) having a magnitude less than a bias current of the actuator. | 05-10-2012 |
Karthik G.v, Bangalore IN
| Patent application number | Description | Published |
|---|---|---|
| 20090257376 | INTELLIGENT ACCESS POINT FOR DELIVERING LOCATION BASED INFORMATION - A method for delivering location based information in wireless zone is disclosed. All the location based information is stored in the access point itself thus eliminating the need for backend server. Access point has the intelligence to deliver information in customized to each requesting device's display capability. To provide seamless access to local information the user will get a default web page once the device connects to access point and tries to access internet. This web page will act as a gateway to all the location based information available in the access point. Along with location based information advertisements can also be delivered to the end user in a very cost effective and targeted manner. | 10-15-2009 |
Karthik Kadirvel, Melbourne, FL US
| Patent application number | Description | Published |
|---|---|---|
| 20100225300 | Systems and Methods of Overvoltage and Undervoltage Detection - Systems and methods for overvoltage and undervoltage detection are provided. The disclosed systems and methods of overvoltage and undervoltage detection may be implemented with a fully differential circuit that includes a coarse comparator and a band gap based fine comparator. The coarse comparator may determine if the battery is closer to an OV condition or an UV condition. Based on the output of the coarse comparator, the trip point of the fine comparator is adjusted. The outputs of both comparators are pull-up circuits whose output is decoded to determine if an OV or a UV condition has occurred. The disclosed systems and methods of overvoltage and undervoltage detection accomplish valid circuit outputs even when the voltage across the battery reduces to zero volts. This may be achieved by using an active low signal for the UV condition and an active high signal for the OV condition. Thus, when the battery voltage goes to zero, the circuit evaluates to the correct output. | 09-09-2010 |
| 20100289497 | Multi-Cell Power System Controller - Various apparatuses and methods for detecting cell connection status of a multi-cell battery are disclosed herein. For example, some embodiments provide an apparatus for detecting cell connection status of a multi-cell battery. The apparatus includes a battery cell input for each cell, a cell connection status detector for each cell, and at least one comparator. Each of the cell connection status detectors is connected to a battery cell input and has a current-based status indicator output. The at least one comparator is connected to the current-based status indicator outputs. Each of the plurality of cell connection status detectors floats in a different supply voltage range. The at least one comparator is referenced to a lower voltage potential than at least one of the plurality of cell connection status detectors. | 11-18-2010 |
| 20110012605 | CURRENT BASED OVERVOLTAGE AND UNDERVOLTAGE DETECTOR - With batteries or cells, particularly lithium ion cells, it is important to determine when one or more cells have entered a fault condition (i.e., overvoltage or undervoltage). Conventional circuits employ measuring circuits that use multiple bandgap circuits and high voltage components. These conventional circuits, however, consume a great deal of area because of the use of these multiple bandgap circuits and the high voltage components. Here, a circuit is provided that reduces the number of bandgap circuits and reduces the number of high voltage components, reducing the area consumed and reducing the overall cost of production compared to conventional circuits. | 01-20-2011 |
| 20120013306 | ELECTRICAL ENERGY STORAGE SYSTEMS AND METHODS - Systems and methods for determining a state of charge (SOC) of an electrical energy storage device are disclosed. In one embodiment, a system is provided for determining the SOC of an electrical energy storage device comprises at least one memristor coupled in series with the electrical energy storage device to monitor charge current and discharge current of the electrical energy storage device. The system also includes a readout controller configured to determine the SOC of the electrical energy storage device based on the resistance of the memristor. | 01-19-2012 |
| 20120013380 | APPARATUS FOR GENERATING A PLURALITY OF DIFFERENT VOLTAGE LEVEL CLOCK SIGNALS - A system is provided for generating a plurality of different voltage level clock signals. The system comprises an electrical energy storage pack having a plurality of series coupled electrical energy storage cells that provide a plurality of different output voltage level, a reference oscillator that provides a reference clock signal and a plurality of voltage clamps that receive the plurality of different output voltage levels and output the plurality of different voltage level clock signals at respective output nodes. The plurality of voltage clamps are configured to clamp each of a given output node to a respective high-side voltage level in response to pulling up of the given output node toward a respective high output voltage level and to clamp each of the given output node to a respective low-side voltage level in response to pulling down of the output node toward a low output voltage level. | 01-19-2012 |
| 20120062272 | METHODS AND APPARATUS TO DETECT VOLTAGE CONDITIONS OF POWER SUPPLIES - Methods and apparatus to detect voltage conditions of power supplies are disclosed. An example power supply monitor to detect fault conditions in a power supply includes a capacitive element communicatively coupled to the power supply, the capacitive element being configured to change state between a collapsed state and an open state in response to the power supply having a first voltage associated with a first fault condition of the power supply; a detector communicatively coupled to the capacitive element to detect a voltage spike generated from the state change of the capacitive element; and a signal generator to generate a fault signal in response to the voltage spike to indicate the power supply being in the first fault condition. | 03-15-2012 |
Karthik Kadirvel, Gainesville, FL US
| Patent application number | Description | Published |
|---|---|---|
| 20100173183 | Systems and Methods of Battery Cell Anomaly Detection - Systems and methods for cell anomaly detection are provided. The disclosed systems and methods of cell anomaly detection may use a single circuit to detect both cell-open and imbalance conditions. Disclosed embodiments may incorporate a continuous or a sampled time system (i.e. cell anomaly detection is performed when an enable signal is active). An example embodiment includes receiving voltages of a plurality of cells of a battery pack; converting the received voltages to currents; determining a maximum current of the currents; determining whether at least one of the currents is anomalous; and reporting the at least one anomalous current as indicative of a bad cell. | 07-08-2010 |
Karthik Kayyar, Rochester Hills, MI US
| Patent application number | Description | Published |
|---|---|---|
| 20120111691 | BRAKING APPARATUS FOR A VEHICLE AND VEHICLE COMPRISING SAID BRAKING APPARATUS - A braking apparatus for a vehicle, in particular a heavy goods vehicle, includes a drive axle having a transmission gear, such as a differential, around which an amount of oil for lubrication is variable. The brake apparatus further includes at least one friction brake and at least one retarder that is capable of operating to slow the vehicle through the transmission gear. The braking apparatus comprises a brake operating device for operating the at least one friction brake and the least one retarder, and a determining feature to determine an oil level around the transmission gear. The brake operating device, on operation by a user, is arranged to apply the retarder when the oil level around the transmission gear is above a threshold level, and, if the oil level is below the threshold level, the brake operating device is arranged to initiate an increase in the oil level around the transmission gear. | 05-10-2012 |
Karthik Krishnapuram Ranganathan, Bangalore IN
| Patent application number | Description | Published |
|---|---|---|
| 20100205607 | METHOD AND SYSTEM FOR SCHEDULING TASKS IN A MULTI PROCESSOR COMPUTING SYSTEM - A multi processor computing system managing tasks based on the health index of the plurality of processors and the priority of tasks to be scheduled. The method comprise receiving the tasks to be scheduled on the computing system; preparing a queue of the tasks based on a scheduling algorithm; computing a health index value for each processor of the computing system; and scheduling the tasks on processors based on the health index value of the processors. A task from a processor with a lower health index may be moved to an available processor with a higher health index. | 08-12-2010 |
Karthik Lavakumar, Framingham, MA US
| Patent application number | Description | Published |
|---|---|---|
| 20100145368 | Insertion Device and Method for Delivery of a Mesh Carrier - An insertion device includes an elongate member and a stylet. The elongate member has a proximal end portion, a distal end portion, and defines a lumen therethrough. The stylet has a distal end portion, a proximal end portion, and is slidably coupled to the elongate member. The stylet is configured to move from a first position to a second position with respect to the elongate member. The distal end portion of the stylet is configured to removably couple a mesh carrier thereto. A portion of the distal end portion of the stylet is disposed outside of the lumen of the elongate member when the stylet is in its first position and is disposed within the lumen when the stylet is in its second position. | 06-10-2010 |
Karthik Mandakolathur, Milpitas, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100232446 | QUEUE SHARING WITH FAIR RATE GUARANTEE - In one embodiment, separate rate meters are maintained for each flow enqueued an increased at a target rate while a packet from the flow occupies the head of a shared transmit queue. The meter value is decreased by the packet length when a packet in enqueued or dropped. The next packet that occupies the head of the shared transmit queue is dropped if the meter value corresponding to the flow is greater than a threshold. | 09-16-2010 |
Karthik Mohanram, Sunnyvale, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110068166 | APPARATUS AND METHOD FOR AUTHENTICATING PRODUCTS - A computer readable medium including executable instructions to analyze radio frequency (RF) tag information includes executable instruction to access cross-enterprise RF tag information, identify a product transition based upon the cross-enterprise RF tag information, and define a new product path based upon the product transition, where the new product path defines product pedigree information. Additional executable instructions authenticate a user, secure product information, supply product pedigree information corresponding to the product information, and verify the pedigree of the product based upon the product pedigree information. | 03-24-2011 |
Karthik Muthuraja, Bangalore IN
| Patent application number | Description | Published |
|---|---|---|
| 20120087236 | METHOD TO IMPLEMENT TWO FIBER SHARED PROTECTION RING WITH EXTRA TRAFFIC ON STM-1/OC-3 INTERFACE - A method for protection of data traffic transmitted over 2-fiber shared protection ring on STM-1/OC-3 interface is provided. Also, the method involves carrying extra traffic in a ring topology for STM-1/OC-3 interface. This is achieved by fixing the granularity to one of ‘VC12/VC11/VC3/VC12-VC3/VC11-VC3’ for the STM-1 interface and to one of ‘VT2/VT1.5/STS-1’ for the OC-3 interface upfront when the protection is configured on the network element. | 04-12-2012 |
Karthik Nagasubramanian, Mundelein, IL US
| Patent application number | Description | Published |
|---|---|---|
| 20120020335 | METHOD AND APPARATUS FOR CELL DETECTION IN A WIRELESS COMMUNICATION SYSTEM | 01-26-2012 |
Karthik Ramchandran, Bangalore IN
| Patent application number | Description | Published |
|---|---|---|
| 20090172013 | Method to Improve Unfolding in Petri Nets - Petri net models, of systems, communication protocols, and software programs, which include place objects, transition objects, arcs, and initial markings, may be used for testing and verification. To reduce computations, a new unfolding process is performed on the net models. Two or more candidate buffer place interfaces are selected from the input net model. The input net is subdivided with a preliminary cut to form two subnets, wherein the preliminary cut passes through suitable candidate buffer place interfaces, objects of each of the subnets other than the suitable candidate buffer place interfaces are reachable from at least one initial marking, and the subnets do not include a mix of initial and non-initial marking places. Each of the two subnets are unfolded and then joined to form an unfolded net that is behaviorally equivalent to original input net model. The unfolded net is then stored in a storage unit. | 07-02-2009 |
Karthik Ramu, Alexandria, VA US
| Patent application number | Description | Published |
|---|---|---|
| 20110173359 | COMPUTER-IMPLEMENTED METHOD AND SYSTEM FOR SECURITY EVENT TRANSPORT USING A MESSAGE BUS - A computer-implemented device provides security events from publishers to subscribers. There is provided a message bus, configured to contain a plurality of security events. Also provided is a receiver unit, responsive to a plurality of publishers, to receive the plurality of security events from the publishers. There is also a queue unit, responsive to receipt of the security events, to queue the plurality of security events in the message bus. Also, there is a transport unit, responsive to the security events in the message bus, to transport the plurality of security events in the message bus to a plurality of subscribers. | 07-14-2011 |
Karthik Rishi, Beaverton, OR US
| Patent application number | Description | Published |
|---|---|---|
| 20090140971 | INTELLIGENT AUTOMATIC BACKLIGHT CONTROL SCHEME - A method of adjusting intensity of illumination of a device based on change in ambient light, the method comprising: measuring a first level of ambient light for a device, in response to detecting a change in ambient light; adjusting intensity of illumination for the device to a first illumination level, if an association between the first illumination level and the first level of ambient light is recorded in a data structure; monitoring user interaction with the device within a threshold period after detecting the change in ambient light to determine whether the user adjusts the intensity of illumination for the device to a second illumination level; and recording an association between the second illumination level and the first level of ambient light in the data structure | 06-04-2009 |
Karthik Sadhasivam, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110279851 | RSVP SYSTEM AND METHOD FOR AN ONLINE STATIONERY OR GREETING CARD SERVICE - Described herein is a system and method for requesting and managing RSVP responses to invitations created within an online stationery service. For example, one embodiment of a system implemented within an online stationery service comprises: a stationery personalization engine providing an end user with a set of selectable stationery templates, the stationery personalization engine receiving an indication that an end user has selected a particular one of the stationery templates, and generating personalized stationery with the selected template based on user input, the personalized stationery comprising an invitation to an event and requesting RSVP responses from invitees; an RSVP service including logic for dynamically generating a network address in response to placement of a stationery order by the user, the RSVP service responsively generating an RSVP Website accessible using the network address and configured to receive the RSVP responses from invitees; and a print module to generate and transmit a print job for printing the personalized stationery including the network address of the RSVP Website for receiving the RSVP responses; wherein in response to an invitee accessing the Website using the network address, the RSVP service provides one or more Web pages allowing the invitee to submit an RSVP response. | 11-17-2011 |
| 20110283196 | RELATIONSHIP SYSTEM AND METHOD FOR AN ONLINE STATIONERY OR GREETING CARD SERVICE - A system implemented within an online stationery/card service comprises: a stationery/card personalization engine providing an end user with a set of selectable stationery/card templates, the stationery/card personalization engine generating personalized stationery/cards with a selected template based on user input, the personalized stationery/cards designed for a particular set of recipients having a relationship with the end user; a relationship service including logic for dynamically generating a network address in response to placement of a stationery/card order by the end user, the relationship service responsively generating a relationship Website accessible using the network address; and a print module to generate and transmit a print job for printing the personalized stationery/cards including the network address of the relationship website for receiving the relationship responses; wherein in response to a recipient accessing the relationship Website using the network address, the relationship service provides one or more Web pages allowing the recipient to contribute relationship data including comments and photos. | 11-17-2011 |
Karthik Shankar, Edmonton CA
| Patent application number | Description | Published |
|---|---|---|
| 20100139747 | Single-crystal nanowires and liquid junction solar cells - A method of making semiconducting oxide nanowire arrays on such as rutile is disclosed wherein a substrate is heated in the presence of a reaction mixture of non-polar solvent, semi-conductor metal oxide precursor source and strong acid to produce a nanowire array of a semiconducting oxide on the substrate. Dye sensitized solar cells that employ these nanowire arrays also are disclosed. | 06-10-2010 |
| 20100187172 | HIGHLY-ORDERED TITANIA NANOTUBE ARRAYS - Fabrication of self-aligned closed packed titania nanotube arrays in excess of 10 μm in length and aspect ratio ≈10,000 by potentiostatic anodization of titanium is disclosed. Conditions for achieving complete anodization and absolute tailorability of Ti foil samples resulting in a self-standing mechanically robust titania membrane in excess of 1000 μm are also disclosed. | 07-29-2010 |
Karthik Shyamsunder, Winchester, VA US
| Patent application number | Description | Published |
|---|---|---|
| 20100274836 | Internet Profile Service - Systems and methods for creating and using a domain profile include identifying a status of a first page associated with a domain. The first page is retrieved and additional pages from the domain are identified based on hyperlinks from the first page. The status of the additional pages is identified and the hyperlinks are prioritized based on the status and/or a comparison with predetermined data. Content is extracted from the first page and selected pages from among the additional pages. The specific additional pages may be selected based on the prioritization. The retrieved content may be processed through a signature marker set to determine a contextual match. A purpose of the domain is determined according to the status of the first page, the status of the additional pages and results of the processing of the content. The domain profile can be displayed, stored, sent and/or searched to identify web sites or attributes of interest. | 10-28-2010 |
| 20110016217 | METHOD AND SYSTEM FOR PREDICTING DOMAIN NAME REGISTRATION RENEWAL PROBABILITY - A method for determining probability of a domain name registration renewal includes receiving a plurality of inputs associated with the domain name and assigning each of the plurality of inputs to at least one category from among a plurality of categories. The method also includes assigning a weighted value to each of the plurality of categories and calculating the probability of the domain name registration renewal based in part on the weighted value of each category. | 01-20-2011 |
| 20110087769 | Domain Popularity Scoring - Systems and methods for scoring a domain including analyzing counter data and information obtained from a web site associated with the domain. Methods may include receiving requests to resolve the domain at an authoritative domain resolution server. A counter may be incremented for the domain based on the received requests. Information may be obtained from a web page associated with the domain. For example, obtaining information from the web page may include obtaining quantitative, qualitative, and/or functional information from the web page, such as link information, a status of network links corresponding to the link information, and associated ratios. The status of link information may include searching for functional details and/or results, such as, domain redirections, domain errors, mirror content, and commonly linked sites. A score may be calculated for the domain based upon the counter data and the information obtained from the web page associated with the domain. | 04-14-2011 |
| 20120072407 | METHOD AND SYSTEM FOR TRIGGERING WEB CRAWLING BASED ON REGISTRY DATA - A method of triggering crawling of a domain includes receiving information related to a domain from a registrar and processing the information related to the domain. The method also includes storing the processed information in a registry zone file and forming a list of registry data based on the processed information. The list of registry data comprises a subset of the registry zone file. The method further includes crawling one or more of the domains in the list of registry data. | 03-22-2012 |
| 20120079047 | Systems and Methods for Registering and Managing Domain Names and E-Mail Addresses Via a Resource-Limited Interface - Disclosed embodiments provide domain name registration, e-mail registration, e-mail forwarding, and other services via resource-limited interfaces, such as SMS-based services. Domain names may be requested, registered, and managed, and e-mail addresses may be requested and forwarding options selected by a user by way of a resource-limited device or protocol. E-mails may be provided to a user over an e-mail-to-SMS forwarding system. | 03-29-2012 |
Karthik Srinvasan, Mumbai IN
| Patent application number | Description | Published |
|---|---|---|
| 20110017536 | Mechanical System for Tilting Cab of a Vehicle - According to the present invention mechanical system for tilting cab of a vehicle, the rotational motion of the detachable handle ( | 01-27-2011 |
Karthik Subburaj, Bangalore IN
| Patent application number | Description | Published |
|---|---|---|
| 20100075620 | NONLINEARITY CALIBRATION SCHEME FOR A FREQUENCY MODULATION TRANSMITTER - A nonlinearity calibration system and method for a frequency modulation (FM) transmitter. A nonlinearity calibration system for a FM transmitter includes a digitally controlled oscillator (DCO) with a variable capacitor array. The DCO receives a calibrated fine code for tuning the variable capacitor array to modulate a digitally encoded audio signal transmitted by the FM transmitter to a modulation frequency. The nonlinearity calibration system also includes a nonlinearity estimator for generating an approximation of an integral nonlinearity associated with processing of a fine code to tune the variable capacitor array. The nonlinearity calibration system further includes a subtractor for subtracting the approximation of the integral nonlinearity from the fine code to generate the calibrated fine code. | 03-25-2010 |
| 20110158365 | LOOP BANDWIDTH ENHANCEMENT TECHNIQUE FOR A DIGITAL PLL AND A HF DIVIDER THAT ENABLES THIS TECHNIQUE - A method of operating a phase locked loop (FIG. | 06-30-2011 |
| 20110158368 | LOOP BANDWIDTH ENHANCEMENT TECHNIQUE FOR A DIGITAL PLL AND A HF DIVIDER THAT ENABLES THIS TECHNIQUE - A method of operating a phase locked loop (FIG. | 06-30-2011 |
| 20110254603 | PHASE INTERPOLATOR AND A DELAY CIRCUIT FOR THE PHASE INTERPOLATOR - Phase interpolator and a delay circuit for the phase interpolator. The phase interpolator includes a variable delay circuit to rotate phase of an input clock to generate a phase rotated signal. The phase interpolator also includes a delay locked loop coupled to the variable delay circuit to generate a plurality of phase shifted outputs. The delay locked loop includes a plurality of delay elements. Each delay element includes a multiplexer and a delay cell coupled to the multiplexer. The multiplexer is configurable using a first control signal to output one of the phase rotated signal and a phase shifted output of the plurality of phase shifted outputs. The delay cell delays one of the phase rotated signal and the phase shifted output to generate another phase shifted output of the plurality of phase shifted outputs. | 10-20-2011 |
| 20120032715 | HIGH-SPEED FREQUENCY DIVIDER AND A PHASE LOCKED LOOP THAT USES THE HIGH-SPEED FREQUENCY DIVIDER - A frequency divider includes a least significant (LS) stage, multiple cascaded divider stages, and an output stage. The LS stage receives an input signal, a program bit and a first mode signal, and generates a first frequency-divided signal and an output mode signal. Each of the plurality of divider stages divides the frequency of an output of an immediately previous stage by a value specified by a corresponding program bit and a corresponding mode signal. A first divider stage in the plurality of divider stages is coupled to receive the first frequency-divided signal and to generate the first mode signal. The output stage receives the output mode signal and a control signal, and generates an output signal by dividing a frequency of the output mode signal by two if the control signal is at one logic level. The output stage forwards the output mode signal without division otherwise. | 02-09-2012 |
Karthik Suburaj, Bangalore IN
| Patent application number | Description | Published |
|---|---|---|
| 20100225367 | FREQUENCY SYNTHESIZER WITH IMMUNITY FROM OSCILLATOR PULLING - Frequency synthesizer with immunity from oscillator pulling. The frequency synthesizer for generating an output frequency includes an oscillator that is capable of generating a first frequency. The frequency synthesizer also includes an output divider coupled to the oscillator. The output divider is configurable to allow the oscillator to generate a second frequency to prevent degradation in phase noise due to an interference to the first frequency of the oscillator, and to generate the output frequency from the second frequency. | 09-09-2010 |
Karthik Vaideeswaran, Redondo Beach, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100116422 | METHOD OF FORMING LARGE DIAMETER THERMOPLASTIC SEAL - A method of forming a seal ring includes heating an extruded rod to a temperature above a glass transition temperature. The extruded rod has first and second ends. The method further includes bending the extruded rod into a circular structure while the temperature is above the glass transition temperature, joining the first and second ends of the extruded rod to form a semi-finished ring, and annealing the semi-finished ring. | 05-13-2010 |
| 20100117310 | LARGE DIAMETER THERMOPLASTIC SEAL - A seal ring includes a weld and a thermoplastic material. The thermoplastic material has a weld elongation-at-break of at least 3%. The thermoplastic material can have a glass transition temperature of at least 100° C. The thermoplastic material with the weld can have a weld elongation-at-break of at least 3%. The seal ring can have a circumference of at least 0.62 meters. The seal ring can have a coefficient of friction of not greater than 0.45. | 05-13-2010 |
| 20100166582 | POLYMER MATERIAL AND SEALS FORMED THEREOF FOR HIGH PRESSURE PUMP APPLICATIONS - A seal is formed of a material including a crosslinked fluoropolymer. The seal substantially prevents leaks in a high pressure pump. | 07-01-2010 |
| 20100224400 | OVERLAP HELICAL CONDUCTIVE SPRING - A cross-diametric compression spring includes a conductive ribbon formed into an overlapping helical coil wherein adjacent loops of the conductive ribbon overlap. The conductive ribbon has a width extending substantially parallel to length of the overlapping helical coil. | 09-09-2010 |
| 20110079962 | MODULAR POLYMERIC EMI/RFI SEAL - A seal includes a seal body including an annular cavity, and an annular spring within the annular cavity. The seal body, the seal body includes a composite material having a thermoplastic material and a filler. The composite material can have a Young's Modulus of at least about 0.5 GPa, a volume resistitivity of not greater than about 200 Ohm-cm, an elongation of at least about 20%, a surface resistitivity of not greater than about 10 | 04-07-2011 |
| 20110156361 | SPRINGS AND METHODS OF FORMING SAME - A seal includes a polymeric jacket defining a seal surface and an inner cavity extending within the polymeric jacket along a length of the polymeric jacket. The seal further includes a spring extending within the inner cavity and including a plurality of laser cut spring elements. The seal can be disposed between a static component and a rotatable component. | 06-30-2011 |
Karthik Vasanth, Richardson, TX US
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| 20110088475 | TRANSMITTER WITH INTRINSIC OUTPUT ZEROING - An ultrasound transmitter including intrinsic output zeroing is disclosed herein. A transmitter for generating ultrasound signals includes a first transmitter output driver and a first transmitter input driver. The first transmitter output driver includes an N-type device serially coupled to a P-type device. The first transmitter input driver includes an N-type device serially coupled to a P-type device. An output of the first transmitter input driver is coupled to an input of the first transmitter output driver. The first transmitter output driver drives an output of the transmitter to a first voltage and the first transmitter input driver drives the output of the transmitter to a second voltage while the first transmitter output driver is disabled. | 04-21-2011 |
Karthik Vijaykumar, Tamilnadu IN
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| 20100023577 | METHOD, SYSTEM AND ARTICLE FOR MOBILE METADATA SOFTWARE AGENT IN A DATA-CENTRIC COMPUTING ENVIRONMENT - An event management system that plays a central role in handling varying loads of metadata events from each of a large number of touch-points or data servers that come into a Data Centric computing environment. As a matter of distinction when compared to conventional method-centric computing environments, there is broadly contemplated herein the concept not of physically installing a software agent on a designated system as stationary entity, but of launching it in a distributed computing environment and permitting it to “roam” around the numerous data servers to ensure consistency, accuracy and currency between the data entities managed by multiple data servers and the metadata servers in a data-centric computing environment. | 01-28-2010 |
Karthik Visvanathan, Ann Arbor, MI US
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| 20110184313 | Cauterization Device and Method of Cauterizing - A medical device such as a biopsy needle or probe has an integrated piezoelectric transducer. A power source is electrically coupled to the piezoelectric transducer. The power source is configured to generate a signal that causes the piezoelectric transducer to generate heat for cauterizing tissue. A signal analyzer receives a signal from the piezoelectric transducer, or from a sensor integrated into the biopsy needle or probe, to determine the extent of the cauterization. | 07-28-2011 |
Karthik Visweswariah, Bangalore IN
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| 20110082716 | System for Discovering Business Processes from Noisy Activities Logs - A system for discovering business processes from noisy activities logs from various activities performed during the execution of the process. Activities are observed from the noisy activity logs that may include text from manually entered activity logs, chat scripts, emails, voice transcripts, desktop captures, and tool logs, wherein the noisy activity logs are received from multiple person/tool actors with each of the actors performing one or more activities related to one/more business tasks. Extracting information from the noisy activity logs to capture activity based information, and then analyzing similar activities and finding possible paths in the similar activities. The results are used to build a process graph based on the similar activities and the possible paths in the similar activities. | 04-07-2011 |
| 20110106580 | SYSTEM AND METHOD FOR EXAMPLE BASED TARGETED MARKETING - Embodiments of the invention provide retailers with the ability to employ concept-based marketing using only a few representative examples. Embodiments of the invention take seed examples, utilize the seed examples to provide an expanded list (that can be edited as desired) representative of the concept, and map the expanded list to a final set of customers to be included in a targeted marketing operation. | 05-05-2011 |
| 20110196677 | Analysis of the Temporal Evolution of Emotions in an Audio Interaction in a Service Delivery Environment - According to one illustrative embodiment, a method is provided for analyzing an audio interaction. At least one change in an emotion of a speaker in an audio interaction and at least one aspect of the audio interaction are identified. The at least one change in an emotion is analyzed in conjunction with the at least one aspect to determine a relationship between the at least one change in an emotion and the at least one aspect, and a result of the analysis is provided. | 08-11-2011 |
| 20110218841 | BACK OFFICE PROCESS MONITORING AND ANALYSIS - According to one illustrative embodiment, a method is provided for monitoring and analyzing an office process. Information relating to desktop interaction activities of an agent and non-desktop activities of the agent are collected to form collected information. The collected information is inferred to derive delimiters relating to the desktop interaction activities and the non-desktop activities of the agent, at least one transaction performed by the agent, at least one application used by the agent, and the office process. Metrics and key performance indicators relating to a behavior of the agent, a behavior of the at least one transaction, a behavior of the at least one application and a behavior of an office process are computed to form computed information, and the collected information and the computed information are stored into a data store. | 09-08-2011 |
| 20120109664 | OPTIMIZED CUSTOMER TARGETING BASED ON TEMPLATE CRM OFFERS - A Customer Relationship Management (CRM) offer template is established in data storage and includes at least one variable field and having at least one offer attribute. For each of a plurality of customer groups, a data processing system calculates an expected benefit to be obtained by sending an instantiated CRM offer to a customer based upon historical responses, offer cost, and legal values of the at least one variable field. The data processing system outputs a CRM offer instance and target list of customers that maximizes the expected benefit. | 05-03-2012 |
Karthik Visweswariah, Banagalore IN
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|---|---|---|
| 20110197206 | System, Method And Program Product For Analyses Based On Agent-Customer Interactions And Concurrent System Activity By Agents - A method includes deriving first information from a number of agent-customer interactions in a customer service system, and determining concurrent system activity by the agents in the customer service system, the concurrent system activity occurring at least partially concurrently with the number of agent-customer interactions. The method further includes combining the determined first information and the determined concurrent system activity to determine second information related to one or more of the number of agent-customer interactions, and outputting the second information. Apparatus and program products are also disclosed. | 08-11-2011 |
Karthik Visweswariah, J.p. Nager 6th Phase IN
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| 20110015987 | SYSTEMS AND METHODS FOR MARKETING TO MOBILE DEVICES - Systems and methods of marketing to mobile devices are provided. Other methods, apparatus, and computer readable media are also provided. | 01-20-2011 |
Karthik Yogeeswaran, Santa Monica, CA US
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| 20120068692 | Systems and Methods for Measuring Electrical Power Usage in a Structure and Systems and Methods of Calibrating the Same - Some embodiments can concern a method of using a power consumption measurement device. The power consumption measurement device can be mechanically coupled to a surface of a circuit breaker box overlying at least part of one or more main electrical supply conductors for an electrical power infrastructure of a structure. The method can include: determining one or more first magnetic field readings from the one or more main electrical supply conductors using one or more sensors in the power consumption measurement device; after determining the one or more first magnetic field readings, electrically coupling a first calibration load to the electrical power infrastructure; while the first calibration load remains electrically coupled to the electrical power infrastructure, determining one or more second magnetic field readings from the one or more main electrical supply conductors using the one or more sensors in the power consumption measurement device; calibrating the power consumption measurement device using at least in part the one or more first magnetic field readings and the one or more second magnetic field readings, after calibrating the power consumption measurement device, determining one or more third magnetic field readings from the one or more main electrical supply conductors using the one or more sensors in the power consumption measurement device; and determining an electrical power used by the electrical power infrastructure of the structure using at least the one or more third magnetic field readings and the one or more calibration coefficients. Calibrating the power consumption measurement device can include determining one or more first calibration coefficients for the power consumption measurement device using at least in part the one or more first magnetic field readings and the one or more second magnetic field readings. Other embodiments are disclosed. | 03-22-2012 |
| 20120072143 | System for Monitoring Electrical Power Usage of a Structure and Method of Same - Some embodiments can teach a system for monitoring usage of electrical power by a structure. The structure can have one or more main electrical power lines that supply the electrical power to a first load in the structure. A portion of the one or more main electrical power lines can run substantially parallel to a first axis. The structure can further have a panel that overlies the portion of the one or more main electrical power lines. The system can include: (a) a current sensor unit configured to be coupled to a portion of a surface of the panel, the current sensor unit having: (a) at least one magnetic field sensor having a length substantially parallel to a second axis, wherein the second axis is substantially perpendicular to the first axis, and the at least one magnetic field sensor is configured to detect a magnetic field generated by the one or more main electrical power lines; and (b) a processing unit configured to run on a processor. The current sensor unit can be configured to produce an output signal based on the magnetic field detected by the at least one magnetic field sensor. The processing unit further can be configured to receive the output signal from the current sensor unit and process the output signal to determine one or more parameters related to the usage of the electrical power by the first load in the structure. Other embodiments are disclosed. | 03-22-2012 |