Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457701 | Method for indicating packet errors in a packet-based multi-hop communications system | Gary Logston | 1995-10-10 |
| 5420866 | Methods for providing conditional access information to decoders in a packet-based multiplexed communications system | — | 1995-05-30 |
| 5418782 | Methods and apparatus for providing virtual service selection in a multi-service communications system | — | 1995-05-23 |
| 5400401 | System and method for transmitting a plurality of digital services | Keith Lucas | 1995-03-21 |
| 5381481 | Method and apparatus for uniquely encrypting a plurality of services at a transmission site | Keith Gammie, Wayne S. Sheldrick, Arthur San Woo | 1995-01-10 |
| 5359601 | Apparatus providing dynamic virtual service selection in a multi-service communications system | William B. Thatcher | 1994-10-25 |
| 5341425 | Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site | Keith Gammie | 1994-08-23 |
| 5319707 | System and method for multiplexing a plurality of digital program services for transmission to remote locations | Julius Bert Bagley | 1994-06-07 |
| 5235619 | Cable television radio frequency subscriber data transmission apparatus and RF return method | Robert J. Beyers, II, Charles R. Bramhall, Gregory S. Durden, Robert Edwards, Ray T. Haman, Jr. +10 more | 1993-08-10 |
| 5155590 | System for data channel level control | Robert J. Beyers, II, Charles R. Bramhall, Gregory S. Durden, Robert Edwards, Ray T. Haman, Jr. +10 more | 1992-10-13 |
| 5058160 | In-band controller | Robert O. Banker, Randolph J. Schaubs, Michael P. Harney, Jay C. McMullan, Jr., Gregory S. Durden +3 more | 1991-10-15 |