HJ

H. Spence Jackson

SI Sigmatel: 13 patents #8 of 95Top 9%
Motorola: 11 patents #806 of 12,470Top 7%
Overall (All Time): #175,896 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6608902 Stereo signal separation circuit and application thereof Mathew A. Rybicki, Giri NK Rangan 2003-08-19
6212230 Method and apparatus for pulse position modulation Mathew A. Rybicki, Timothy W. Markison, Gregg S. Kodra, Michael A. Margules 2001-04-03
6175601 Infra-red data processing circuit Mathew A. Rybicki, Shahriar Rokhsaz 2001-01-16
6163580 Method and apparatus for data detection with an enhanced adaptive threshold Mathew A. Rybicki, Shahriar Rokhsaz 2000-12-19
6151149 Method and apparatus for pulse pattern modulation Mathew A. Rybicki, Timothy W. Markison, Gregg S. Kodra, Michael A. Margules 2000-11-21
6144473 Method and apparatus for transceiving infrared signals Shahriar Rokhsaz, Mathew A. Rybicki 2000-11-07
6128354 Data detection pre-amplifier circuit Mathew A. Rybicki, Shahriar Rokhsaz 2000-10-03
6055283 Data detection circuit Mathew A. Rybicki, Shahriar Rokhsaz 2000-04-25
5977822 Method and apparatus of pulse position demodulation Mathew A. Rybicki, Timothy W. Markison, Gregg S. Kodra, Michael A. Margules 1999-11-02
5933040 Method and apparatus for a data detection circuit operating from a low voltage power source Shahriar Rokhsaz, Mathew A. Rybicki 1999-08-03
5892800 Data detection circuit having a pre-amplifier circuit Mathew A. Rybicki, Shahriar Rokhsaz 1999-04-06
5815104 Method and apparatus for digital to analog conversion Michael A. Margules 1998-09-29
5714909 Transimpedance amplifier and method for constructing same 1998-02-03
5442352 Linear attenuator for current-mode digital-to-analog converter (DAC) or the like 1995-08-15
5442353 Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same 1995-08-15
5412335 Area-efficient current-input filter, virtual ground circuit used in same, and method therefor Marcus W. May 1995-05-02
5329282 Multi-bit sigma-delta analog-to-digital converter with reduced sensitivity to DAC nonlinearities 1994-07-12
5283580 Current/resistor digital-to-analog converter having enhanced integral linearity and method of operation Todd L. Brooks, Mathew A. Rybicki 1994-02-01
5245646 Tuning circuit for use with an integrated continuous time analog filter Roger A. Whatley 1993-09-14
5243347 Monotonic current/resistor digital-to-analog converter and method of operation Mathew A. Rybicki 1993-09-07
5243348 Partitioned digital encoder and method for encoding bit groups in parallel 1993-09-07
5221926 Circuit and method for cancelling nonlinearity error associated with component value mismatches in a data converter 1993-06-22
5194831 Fully-differential relaxation-type voltage controlled oscillator and method therefor 1993-03-16
5187445 Tuning circuit for continuous-time filters and method therefor 1993-02-16