Issued Patents All Time
Showing 26–50 of 120 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9820065 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2017-11-14 |
| 9729987 | Method and apparatus to evaluate audio equipment via at least one filter for dynamic distortions and or differential phase and or frequency modulation effects | — | 2017-08-08 |
| 9549226 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | John O. Ryan, Peter Wonfor | 2017-01-17 |
| 9386385 | Method and apparatus to evaluate audio equipment via filter banks for dynamic distortions and or differential phase and frequency modulation effects | — | 2016-07-05 |
| 9271097 | Method and apparatus to evaluate audio equipment via filter banks | — | 2016-02-23 |
| 9060182 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | John O. Ryan, Peter Wonfor | 2015-06-16 |
| 8994381 | Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment | — | 2015-03-31 |
| 8761545 | Method and apparatus for identifying video program material or content via differential signals | — | 2014-06-24 |
| 8704533 | Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment | — | 2014-04-22 |
| 8643359 | Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment | — | 2014-02-04 |
| 8644680 | Method and apparatus for providing a content control signal in a media player via color burst phase modifications | John F. Cloutman | 2014-02-04 |
| 8624602 | Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment | — | 2014-01-07 |
| 8526794 | Method and apparatus for synthesizing a copy protection or content control signal with improved playability of a TV set | — | 2013-09-03 |
| 8527268 | Method and apparatus for improving speech recognition and identifying video program material or content | — | 2013-09-03 |
| 8428258 | Method and apparatus for providing content control via detection of modifications to a signal | — | 2013-04-23 |
| 8374490 | Method and apparatus for receiving metadata, EPG, or IPG signals in an integrated circuit for control purposes | — | 2013-02-12 |
| 8374489 | Method and apparatus for inducing and or reducing geometric distortions in a display via positive going pulses | — | 2013-02-12 |
| 8374347 | Method and apparatus for modifying a subsequently generated control command in a content control system | — | 2013-02-12 |
| 8365307 | Method and apparatus for storing copy protection information separately from protected content | John O. Ryan, James Salter | 2013-01-29 |
| 8355621 | Content management for a video signal | — | 2013-01-15 |
| 8306403 | Content control via guide data and/or metadata | John F. Cloutman | 2012-11-06 |
| 8299852 | Method and apparatus for a gain control circuit via a high frequency signal | — | 2012-10-30 |
| 8280049 | Method and apparatus for synthesizing copy protection for reducing/defeating the effectiveness or capability of a circumvention device | — | 2012-10-02 |
| 8259939 | System and method for allowing copying or distribution of a copy protected signal | John O. Ryan | 2012-09-04 |
| 8254756 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | John O. Ryan, Peter Wonfor | 2012-08-28 |