Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10861024 | Systems, methods, and media for restricting playback functionality of a media device in response to detecting unauthorized content | Howard M. Singer | 2020-12-08 |
| 7454257 | Apparatus and method for down converting multichannel programs to dual channel programs using a smart coefficient generator | Alan McPherson | 2008-11-18 |
| 7333863 | Recording and playback control system | Alan McPherson, Edwin Outwater, III, Gregory Thagard | 2008-02-19 |
| 7197458 | Method and system for verifying derivative digital files automatically | Todd Yvega | 2007-03-27 |
| 7050590 | Method and apparatus for checking audio signals | Alan McPherson | 2006-05-23 |
| 6662060 | Method and apparatus for multimedia playback with title specific parameters | Richard L. Maliszewski, Brendan Traw, James A. Moorer, Alan McPherson | 2003-12-09 |
| 6591420 | Remote control system for audio and video content | Alan McPherson | 2003-07-08 |
| 6215737 | Using different sampling rates to record multi-channel digital audio on a recording medium and playing back such digital audio | Gregory Thagard, Alan McPherson, Charles Mecca, Edwin Outwater, III | 2001-04-10 |
| 5903701 | Method and apparatus for testing the quality of recorded information | Alan McPherson | 1999-05-11 |