Wilfred L. Hand
11Patents
6h-index
10Co-inventors
59Inventor score
Filing activity: Jan 19, 1977 → Sep 6, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5515057A | GPS receiver with N-point symmetrical feed double-frequency patch antenna | Electricity | 35 | Expired |
| US4145719A | Multi-channel video switch using dual-gate MOS-FETS | Electricity | 35 | Expired |
| US4267529A | TV antenna isolation system | Electricity | 17 | Expired |
| US4924473A | Laser diode protection circuit | Electricity | 17 | Expired |
| US4149181A | Signal-dependent chrominance subcarrier filtering circuit | Electricity | 9 | Expired |
| US4069505A | Automatic peaking control circuitry for a video processing system | Electricity | 6 | Expired |
| US4208741A | AFC System for a synthesizer tuning system | Electricity | 5 | Expired |
| US4262307A | Fine tuning circuit | Electricity | 4 | Expired |
| US4247834A | Control circuit for establishing voltage-controlled or injection-locked operation of a synthesizer reference oscillator | Electricity | 2 | Expired |
| US4271533A | AFC Interface circuit | Electricity | 2 | Expired |
| US4267602A | Acquisition delay circuit for a PLL reference oscillator | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.