Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9628832 | Secure combined interoperable multiplexing | Brian E. Crookes, David J. Verbrugge, Kenn W. Heinrich, Keith Gammie | 2017-04-18 |
| 9258582 | Secure combined interoperable multiplexing | Brian E. Crookes, David J. Verbrugge, Kenn W. Heinrich, Keith Gammie | 2016-02-09 |
| 8432882 | Multiple transport receiver | Brian E. Crookes, David J. Verbrugge, Kenn W. Heinrich | 2013-04-30 |
| 8155151 | Secure combined interoperable multiplexing | Brian E. Crookes, David J. Verbrugge, Kenn W. Heinrich, Keith Gammie | 2012-04-10 |
| 7904937 | Uplink signaling for global decoder control | Alexander Luccisano, Keith Gammie, Arthur San Woo, Brian E. Crookes | 2011-03-08 |
| 7810131 | Control system with global control stream for controlling a plurality of decoders | Alexander Luccisano, Keith Gammie, Arthur San Woo, Brian E. Crookes | 2010-10-05 |
| 7805750 | Storage control system | Alexander Luccisano, Keith Gammie, Arthur San Woo | 2010-09-28 |
| 7721318 | Uplink signaling for global decoder control | Alexander Luccisano, Keith Gammie, Arthur San Woo, Brian E. Crookes | 2010-05-18 |
| 5519780 | System and method for providing compressed digital teletext services and teletext support services | Arthur San Woo, Keith Gammie, Hrad Hekimian | 1996-05-21 |
| 5506904 | System and method for transmitting and receiving variable length authorization control for digital services | Keith Gammie, Arthur San Woo, Gary W. C. Chan | 1996-04-09 |
| 5425101 | System and method for simultaneously authorizing multiple virtual channels | Arthur San Woo, Gary W. C. Chan | 1995-06-13 |
| 5381481 | Method and apparatus for uniquely encrypting a plurality of services at a transmission site | Keith Gammie, Arthur San Woo, Anthony J. Wasilewski | 1995-01-10 |
| 5270809 | Data return for a television transmission system | Keith Gammie, Arthur San Woo, Cameron Bates | 1993-12-14 |
| 5237610 | Independent external security module for a digitally upgradeable television signal decoder | Keith Gammie, Robert Yoneda, Arthur San Woo | 1993-08-17 |
| 5200823 | Virtual channels for a multiplexed analog component (MAC) television system | Robert Yoneda, Keith Gammie | 1993-04-06 |
| 5182771 | Anti-taping method and apparatus for a multiplexed analog component television system | Randy K. Munich, David B. Ewing, Tsai Lo, Baldwin Chieh | 1993-01-26 |