Wayne S. Sheldrick
16Patents
8h-index
15Co-inventors
69Inventor score
Filing activity: Mar 29, 1991 → Jan 29, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5237610A | Independent external security module for a digitally upgradeable television signal decoder | Electricity | 372 | Expired |
| US5270809A | Data return for a television transmission system | Electricity | 205 | Expired |
| US5425101A | System and method for simultaneously authorizing multiple virtual channels | Electricity | 162 | Expired |
| US5519780A | System and method for providing compressed digital teletext services and teletext support services | Electricity | 155 | Expired |
| US5200823A | Virtual channels for a multiplexed analog component (MAC) television system | Electricity | 154 | Expired |
| US5506904A | System and method for transmitting and receiving variable length authorization control for digital services | Electricity | 125 | Expired |
| US5381481A | Method and apparatus for uniquely encrypting a plurality of services at a transmission site | Electricity | 120 | Expired |
| US5182771A | Anti-taping method and apparatus for a multiplexed analog component television system | Electricity | 33 | Expired |
| US8432882B2 | Multiple transport receiver | Electricity | 2 | Active |
| US9628832B2 | Secure combined interoperable multiplexing | Electricity | 2 | Active |
| US9258582B2 | Secure combined interoperable multiplexing | Electricity | 1 | Active |
| US7810131B2 | Control system with global control stream for controlling a plurality of decoders | Electricity | 1 | Active |
| US7805750B2 | Storage control system | Electricity | 0 | Active |
| US7721318B2 | Uplink signaling for global decoder control | Electricity | 0 | Active |
| US8155151B2 | Secure combined interoperable multiplexing | Electricity | 0 | Active |
| US7904937B2 | Uplink signaling for global decoder control | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.