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Joseph M Duffalo, Steven C Lazar Jr: Gallium arsenide power monolithic microwave integrated circuit. Motorola, Joe E Barbee, December 26, 1989: US04890069 (14 worldwide citation)

A gallium arsenide monolithic microwave integrated circuit amplifier comprising a first stage having a common gate field effect transistor to provide matching of the input impedance, a second stage having a common source field effect transistor to provide class A gain, and a third stage having a com ...


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Charles E Weitzel, Lalgudi M G Sundaram, Steven C Lazar Jr: Dual-gate gallium arsenide power metal semiconductor field effect transistor. Motorola, Joe E Barbee, September 26, 1989: US04870478 (8 worldwide citation)

A dual-gate gallium arsenide power MESFET chip comprising a source region surrounded by a first gate, a second surrounding the first gate, a drain region juxtaposed to said second gate, and a shorting bar which couples the second gate to the source region. This combination, used in a multi-fingered ...


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Leonardo W Estevez, Steven C Lazar Jr, Carl M Panasik: RFID power from handset transmissions. Texas Instruments Incorporated, Ronald O Neerings, Wade James Brady III, Frederick J Telecky Jr, May 12, 2009: US07532120 (4 worldwide citation)

A radio frequency identification (RFID) tag comprises a transceiver and a component coupled to the transceiver. The transceiver is adapted to wirelessly receive power from an RFID reader and/or from a mobile communication device. The power received from the mobile communication device is used to pow ...


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Carl M Panasik, Steven C Lazar, Madison F Pedigo: Electronic device precision location via local broadcast signals. Texas Instruments Incorporated, July 3, 2003: US20030122711-A1 (4 worldwide citation)

A location determination apparatus, method and system (10, 23, 26, 32, 36, 48, 52, 60, 64, 74, 78, 84, 90, 106) that is an improvement upon existing location determining techniques. The invention enables precision indoor location determination through the use of non-DTV terrestrial broadcast signals ...


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Leonardo W Estevez, Johnsy Varghese, Steven C Lazar: Cryptographic lock, method of operation thereof and secure container employing the same. Texas Instruments Incorporated, Alan A R Cooper, Frederick J Telecky Jr, December 9, 2014: US08907794 (1 worldwide citation)

Various cryptographic locks for securing assets, secure containers and methods of operating a cryptographic lock. One embodiment of a cryptographic lock includes: (1) a shape memory alloy (SMA) having a first and second phase, wherein the first phase inhibits access to an asset and the second phase ...


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Leonardo W ESTEVEZ, Steven C LAZAR, Carl M PANASIK: RFID Power From Handset Transmissions. Texas Instruments, Texas Instruments Incorporated, January 24, 2008: US20080018467-A1

A radio frequency identification (RFID) tag comprises a transceiver and a component coupled to the transceiver. The transceiver is adapted to wirelessly receive power from an RFID reader and/or from a mobile communication device. The power received from the mobile communication device is used to pow ...


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Pedro R GELABERT, Steven C BARTLING, Steven C LAZAR: Wirelessly transmitting biological parameters. Texas Instruments Incorporated, Texas Instruments Incorporated, January 15, 2009: US20090015413-A1

A radio frequency identification (RFID) tag is disclosed that comprises a transceiver and a component coupled to the transceiver. The component is adapted to collect at least one biological parameter. The transceiver is adapted to wirelessly receive power from a base device, where the power received ...


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Leonardo W Estevez, Johnsy Varghese, Steven C Lazar: Cryptographic lock, method of operation thereof and secure container employing the same. Texas Instruments Incorporated, Texas Instruments Incorporated, December 31, 2009: US20090322531-A1

Various cryptographic locks for securing assets, secure containers and methods of operating a cryptographic lock. One embodiment of a cryptographic lock includes: (1) a shape memory alloy (SMA) having a first and second phase, wherein the first phase inhibits access to an asset and the second phase ...


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Krishna S Doddamane, Steven C Lazar: Pseudorandom number generator. Texas Instruments Incorporated, June 25, 2009: US20090160610-A1

One embodiment of the invention includes a pseudorandom number generator (PRNG) for generating pseudorandom numbers for a radio frequency identification (RFID) tag. The PRNG includes an analog portion configured to generate a pseudorandom number seed having a value that varies based on sampling a re ...