David E. Blackmer
17Patents
11h-index
7Co-inventors
65Inventor score
Filing activity: Nov 8, 1976 → Jun 28, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4706287A | Stereo generator | Electricity | 56 | Expired |
| US4589129A | Signal decoding system | Electricity | 54 | Expired |
| US4182930A | Detection and monitoring device | Electricity | 35 | Expired |
| US4101849A | Adaptive filter | Electricity | 19 | Expired |
| US4220929A | Signal expander | Electricity | 18 | Expired |
| US4136314A | Adaptive signal weighting system | Electricity | 17 | Expired |
| US4680796A | Sound encoding system | Electricity | 16 | Expired |
| US4377792A | Compander system | Electricity | 14 | Expired |
| US4097767A | Operational rectifier | Physics | 13 | Expired |
| US4124784A | Motion picture sound system | Physics | 13 | Expired |
| US4403199A | Gain control systems | Electricity | 12 | Expired |
| US4404427A | Audio signal processing system | Electricity | 10 | Expired |
| US4425551A | Differential amplifier stage having bias compensating means | Electricity | 9 | Expired |
| US4112254A | Signal compander system | Electricity | 8 | Expired |
| US4473793A | Bias generator | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6091829A | Microphone apparatus | Electricity | 6 | Expired |
| US6526149B1 | System and method for reducing non linear electrical distortion in an electroacoustic device | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.