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Dieter Joos Steven Terryn
Steven Terryn, Dieter Joos: Bandwidth calibration of active filter. STMicroelectronics Belgium, Lisa K Jorgenson, James H Morris, Wolf Greenfield & Sacks P C, April 6, 2010: US07692484 (2 worldwide citation)

An active RC filter has an op-amp and a biasing circuit arranged to bias the op-amp to set a gain bandwidth product of the op-amp according to a desired pole frequency of the filter. The biasing circuit is operable according to an output of an RC calibration circuit. The op-amp can be an OTA transco ...


2
Elias Nemer
Elias Nemer, Ahmed Said: Method and apparatus for compensating I/Q imbalance in receivers. Intel Corporation, Blakely Sokoloff Taylor & Zafman, October 9, 2007: US07280619 (14 worldwide citation)

A method and apparatus for compensating I/Q imbalance in receivers is described. The method includes determining a difference between energies of two quadratures, correcting an amplitude imbalance using the difference between the energies of two quadratures, determining a cross-correlation between t ...


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Belgacem Haba Belgacem (Bel) Haba
Belgacem Haba, Richard E Perego, David Nguyen, Billy W Garrett Jr, Ely Tsern, Crag E Hampel, Wai Yeng Yip: Multiple channel modules and bus systems using same. Rambus, Hunton & Williams, January 30, 2007: US07170314 (2 worldwide citation)

Various module structures are disclosed which may be used to implement modules having 1 to N channels. Bus systems may be formed by the interconnection of such modules.


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Yingya ZHOU
Gao Jun, Zhou Yingya: Door handle control lamp switch. Qibao Middle School Of Shanghai, song hu, February 18, 2009: CN200710044939

The invention discloses a door handle control lamp switch, which includes a single touch pad, a single core metal shielded wire, a magnification triggering circuit and a drive switch circuit, wherein the single touch pad being metal door handle; the single core metal shielded wire being a metal wire ...


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Yingya ZHOU
Gao Jun, Zhou Yingya: Household acoustic control lamp used at night. Qibao Middle School Of Shanghai, song hu, February 18, 2009: CN200710044941

A nighttime sound control lamp for domestic use is composed of a sound control pulse trigger module, a monostabillity time-delay module, a drive amplifier module and electric lamp. The invention can save electricity and solve the problem of rattled search for lamp switch when emergent accident occur ...


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Yingya ZHOU
Gao Jun, Zhou Yingya: Security convenient switch. Qibao Middle School Of Shanghai, song hu, February 18, 2009: CN200710044937

The present invention discloses a safety convenient switch, including a rectifying circuit, a light sense relay circuit and an electric lamp, wherein the rectifying circuit including a rectifier, a capacitance, two triodes and three current-limiting resistances; the light sense relay circuit includi ...


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Belgacem Haba Belgacem (Bel) Haba
Belgacem Haba, Richard E Perego, David Nguyen, Billy W Garrett, Ely Tsern, Craig E Hampel, Wai Yeung Yip: Multiple Channel Modules and Bus Systems Using Same. Rambus, Hunton & Williams Rambus, May 31, 2007: US20070120575-A1

Various module structures are disclosed which may be used to implement modules having 1 to N channels. Bus systems may be formed by the interconnection of such modules.



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