Steven B. Witmer
18Patents
10h-index
12Co-inventors
65Inventor score
Filing activity: Aug 5, 1993 → Dec 29, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7782141B2 | Adaptive signal-feed-forward circuit and method for reducing amplifier power without signal distortion | Electricity | 76 | Active |
| US5877565A | Communication card with telephone line interlock and cellular interconnect | Electricity | 63 | Expired |
| US6205219A | Call related information reception using sigma/delta modulation | Electricity | 28 | Expired |
| US5606482A | Solid state circuit breaker | Electricity | 28 | Expired |
| US6731728B2 | Low noise line powered DAA with differential feedback | Electricity | 15 | Expired |
| US6744888B1 | Line interface circuit with event detection signaling | Electricity | 14 | Expired |
| US6396877B1 | Method and apparatus for combining serial data with a clock signal | Electricity | 12 | Expired |
| US5912513A | Method and apparatus for reducing power dissipation in DC termination circuit | Electricity | 12 | Expired |
| US6421430B1 | Line powered DAA with single ended feedback | Electricity | 10 | Expired |
| US5360979A | Fast turn-off circuit for solid-state relays or the like | Electricity | 10 | Expired |
| US6275581A | Extended feedback circuit employing capacitive coupling and sampled data filters | Electricity | 7 | Expired |
| US6674856B1 | Placement of a transmit predistortion filter with respect to a data access arrangement | Electricity | 6 | Expired |
| US6625278B1 | Impedance matching with sigma delta filter | Electricity | 5 | Expired |
| US6198944A | Method for telephone line interlock and cellular interconnect | Electricity | 4 | Expired |
| US6553118B1 | Method and apparatus for calculating DC offset in a digital gyrator | Electricity | 2 | Expired |
| US6418220B2 | Extended feedback circuit employing capacitive coupling and sampled data filters | Electricity | 1 | Expired |
| US6920218B1 | Combination clock and charge pump for line powered DAA | Electricity | 0 | Expired |
| US6999581B1 | Event detection circuit | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.