| 6990203 |
Cable television setback decoder automatic control |
— |
2006-01-24 |
| 6940561 |
Automatic modulation and RF carrier level control of sync suppressed television signals |
Alfred Stufflet |
2005-09-06 |
| 6597789 |
Video/audio scrambling with single conversion tuners |
— |
2003-07-22 |
| 6459793 |
Cable television setback decoder automatic control |
— |
2002-10-01 |
| 6381332 |
Cable television setback decoder automatic control |
— |
2002-04-30 |
| 6188870 |
Passive interdiction system for scrambling |
— |
2001-02-13 |
| 6169584 |
Automatic modulation control of sync suppressed television signals |
Alfred Stufflet |
2001-01-02 |
| 5862219 |
Cable television setback decoder automatic control |
— |
1999-01-19 |
| 5257124 |
Low distortion laser system for AM fiber optic communication |
David R. Huber |
1993-10-26 |
| 5212579 |
Method and apparatus for communicating amplitude modulated signals over an optical communication path |
David R. Huber |
1993-05-18 |
| 5109441 |
Fiber optic external modulator |
— |
1992-04-28 |
| 4815129 |
Video encryption system |
John Griffin, David Grubb |
1989-03-21 |
| 4739510 |
Direct broadcast satellite signal transmission system |
John Jeffers, Donald R. Horne, S. Wayne Mundy |
1988-04-19 |
| 4562465 |
Adaptive video descrambling system |
— |
1985-12-31 |
| 4546387 |
Circuit for providing accurately spaced video and sound carriers |
— |
1985-10-08 |
| 4312016 |
Television signal switching apparatus |
Michael F. Jeffers |
1982-01-19 |
| 4247106 |
System arrangement for distribution and use of video games |
Michael F. Jeffers, Jacob Shekel, Charles L. Dages |
1981-01-27 |
