David Norris
18Patents
10h-index
26Co-inventors
72Inventor score
Filing activity: Oct 22, 1987 → Apr 29, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5659466A | Monolithic PC audio circuit with enhanced digital wavetable audio synthesizer | Physics | 258 | Expired |
| US6047073A | Digital wavetable audio synthesizer with delay-based effects processing | Physics | 131 | Expired |
| US6058066A | Enhanced register array accessible by both a system microprocessor and a wavetable audio synthesizer | Physics | 97 | Expired |
| US5675808A | Power control of circuit modules within an integrated circuit | Physics | 80 | Expired |
| US5668338A | Wavetable audio synthesizer with low frequency oscillators for tremolo and vibrato effects | Physics | 67 | Expired |
| US6119194A | Method and apparatus for monitoring universal serial bus activity | Emerging Cross-Sectional Technologies | 40 | Expired |
| US7088835B1 | Wavetable audio synthesizer with left offset, right offset and effects volume control | Physics | 25 | Expired |
| US5502409A | Clock switcher circuit | Physics | 23 | Expired |
| US5896291A | Computer system and method for implementing delay-based effects using system memory | Physics | 13 | Expired |
| US6272465A | Monolithic PC audio circuit | Physics | 12 | Expired |
| US5534844A | Comparator circuit | Physics | 9 | Expired |
| US7199750B2 | Real-time multistatic radar signal processing system and method | Physics | 9 | Expired |
| US4805139A | Propagating FIFO storage device | Physics | 9 | Expired |
| US5809466A | Audio processing chip with external serial port | Physics | 8 | Expired |
| US9075143B2 | Sparse array RF imaging for surveillance applications | Physics | 4 | Active |
| US6246774A | Wavetable audio synthesizer with multiple volume components and two modes of stereo positioning | Physics | 4 | Expired |
| US7345621B2 | Real-time multistatic radar signal processing system and method | Physics | 4 | Active |
| US5095462A | FIFO information storage apparatus including status and logic modules for each cell | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.