H. Spence Jackson
24Patents
14h-index
9Co-inventors
66Inventor score
Filing activity: Oct 28, 1991 → Nov 23, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5243348A | Partitioned digital encoder and method for encoding bit groups in parallel | Electricity | 77 | Expired |
| US5442353A | Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same | Electricity | 69 | Expired |
| US5243347A | Monotonic current/resistor digital-to-analog converter and method of operation | Electricity | 58 | Expired |
| US6212230A | Method and apparatus for pulse position modulation | Electricity | 46 | Expired |
| US5221926A | Circuit and method for cancelling nonlinearity error associated with component value mismatches in a data converter | Electricity | 39 | Expired |
| US5245646A | Tuning circuit for use with an integrated continuous time analog filter | Electricity | 35 | Expired |
| US5714909A | Transimpedance amplifier and method for constructing same | Electricity | 34 | Expired |
| US5329282A | Multi-bit sigma-delta analog-to-digital converter with reduced sensitivity to DAC nonlinearities | Electricity | 30 | Expired |
| US5187445A | Tuning circuit for continuous-time filters and method therefor | Electricity | 27 | Expired |
| US5977822A | Method and apparatus of pulse position demodulation | Electricity | 23 | Expired |
| US5283580A | Current/resistor digital-to-analog converter having enhanced integral linearity and method of operation | Electricity | 21 | Expired |
| US6151149A | Method and apparatus for pulse pattern modulation | Electricity | 19 | Expired |
| US5194831A | Fully-differential relaxation-type voltage controlled oscillator and method therefor | Electricity | 14 | Expired |
| US5442352A | Linear attenuator for current-mode digital-to-analog converter (DAC) or the like | Electricity | 14 | Expired |
| US5412335A | Area-efficient current-input filter, virtual ground circuit used in same, and method therefor | Electricity | 13 | Expired |
| US5892800A | Data detection circuit having a pre-amplifier circuit | Electricity | 6 | Expired |
| US6163580A | Method and apparatus for data detection with an enhanced adaptive threshold | Electricity | 6 | Expired |
| US5933040A | Method and apparatus for a data detection circuit operating from a low voltage power source | Electricity | 6 | Expired |
| US6144473A | Method and apparatus for transceiving infrared signals | Electricity | 5 | Expired |
| US5815104A | Method and apparatus for digital to analog conversion | Electricity | 4 | Expired |
| US6175601A | Infra-red data processing circuit | Electricity | 4 | Expired |
| US6055283A | Data detection circuit | Electricity | 2 | Expired |
| US6608902B1 | Stereo signal separation circuit and application thereof | Electricity | 2 | Expired |
| US6128354A | Data detection pre-amplifier circuit | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.