Keith Barr
13Patents
8h-index
6Co-inventors
61Inventor score
Filing activity: Aug 4, 1989 → Apr 8, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5297181A | Method and apparatus for providing a digital audio interface protocol | Electricity | 22 | Expired |
| US6043708A | Fully complementary folded cascode amplifier | Electricity | 12 | Expired |
| US7184130B1 | Method for improving the received signal to noise ratio of a laser rangefinder | Physics | 12 | Expired |
| US5161200A | Microphone | Electricity | 12 | Expired |
| US5541781A | Method for synchronizing digital audio tape recorders | Physics | 11 | Expired |
| US7188426B2 | Inclination sensor | Physics | 11 | Expired |
| US7361188B2 | Portable cardiac monitor | Human Necessities | 10 | Expired |
| USD488731S1 | Inclination sensor | General | 8 | Expired |
| US7474914B2 | Portable cardiac monitor including a range limiter | Human Necessities | 4 | Expired |
| US5321561A | Format for recording digital audio onto magnetic tape with enhanced editing and error correction capability | Physics | 3 | Expired |
| US6871051B1 | Serial data transmission system using minimal interface | Electricity | 1 | Expired |
| US5969562A | Low noise method for interconnecting analog and digital integrated circuits | Electricity | 1 | Expired |
| US6163197A | Low noise method for interconnecting analog and digital integrated circuits | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.