Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8275625 | Adaptive variable bit rate audio encoding | Edmond Chalom, Tao Chen | 2012-09-25 |
| 7996234 | Method and apparatus for adaptive variable bit rate audio encoding | Edmond Chalom, Tao Chen | 2011-08-09 |
| 7034863 | Video streams for closed caption testing and the like | Hans Baumgartner | 2006-04-25 |
| 7006151 | Video streams for closed caption testing and the like | — | 2006-02-28 |
| 6950447 | Method and apparatus for analyzing and monitoring packet streams | Arthur Greenberg | 2005-09-27 |
| 6891565 | Bitstream testing method and apparatus employing embedded reference data | — | 2005-05-10 |
| 6851121 | Method and apparatus for adjusting an embedded portion of a television signal | Robert William Shideleff, Michael A. Plotnick, Charles W. Christine, Elizabeth Annella Martina Seip, Charles Asmuth +2 more | 2005-02-01 |
| 6400400 | Method and apparatus for automated testing of a video decoder | Michael A. Isnardi, Hans Baumgartner | 2002-06-04 |
| 6233256 | Method and apparatus for analyzing and monitoring packet streams | Arthur Greenberg | 2001-05-15 |
| 6233278 | Apparatus and method for using side information to improve a coding system | — | 2001-05-15 |
| 6219067 | Measures for characterizing compressed bitstreams | — | 2001-04-17 |
| 6208643 | Apparatus and method for analyzing bitstreams | Ragnar H. Jonsson | 2001-03-27 |
| 6138051 | Method and apparatus for evaluating an audio decoder | — | 2000-10-24 |
| 6100940 | Apparatus and method for using side information to improve a coding system | — | 2000-08-08 |
| 5798788 | Method and apparatus for evaluating field display functionality of a video decoder | Paul Harquail Meehan, Michael A. Isnardi | 1998-08-25 |
| 5767746 | Method and apparatus for adjusting phase-lock-loop parameters | — | 1998-06-16 |
| 5335020 | IIR ghost cancelling system with reduction of filter instability | — | 1994-08-02 |
| 5280355 | Television deghosting apparatus using pseudorandom sequence detector | — | 1994-01-18 |
| 5251033 | D.C. responsive equalization for television transmission channel irregularities | Bruce J. Anderson | 1993-10-05 |
| 5249228 | Cable television signal scrambling system | — | 1993-09-28 |
| 5208596 | DAC distortion compensation | — | 1993-05-04 |
| 5065242 | Deghosting apparatus using pseudorandom sequences | Arthur Greenberg | 1991-11-12 |
| 5055916 | Chrominance encoding for a widescreen television system | — | 1991-10-08 |
| 4967263 | Widescreen television signal processor system with interpolator for reducing artifacts | — | 1990-10-30 |
| 4912549 | Video signal synchronization system as for an extended definition widescreen television signal processing system | Ted N. Altman, Tzy-Hong Chao | 1990-03-27 |