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Adaptive video telephone system |
Hal M. Krisbergh, Joseph E. Augenbraun, Randell Jesup, Maire D. Reavy, Randall J. Gort +3 more |
2012-01-03 |
| 8063928 |
Videophone system and method |
Hal M. Krisbergh, Joseph E. Augenbraun, Randell Jesup, Randall J. Gort, Maire D. Reavy +3 more |
2011-11-22 |
| 7239338 |
Videophone system and method |
Hal M. Krisbergh, Joseph A. Augenbraun, Randell Jesup, Randall J. Gort, Maire D. Reavy +3 more |
2007-07-03 |
| 5651065 |
Insertion of supplemental burst into video signals to thwart piracy and/or carry data |
Alfred Stufflet |
1997-07-22 |
| 5287409 |
Method and apparatus for frustrating vertical interval detection in scrambled television signals |
Henry S. Landgraf |
1994-02-15 |
| 5146496 |
Method and apparatus for enhancing the security of a scrambled television signal |
Clyde Robbins, Anthony M. Radice |
1992-09-08 |
| 4712239 |
Security arrangement for downloadable cable television converters |
William A. Frezza, Robert M. Simons |
1987-12-08 |