H04N 5/928
The sound signal being pulse code modulated and recorded in time division
Official title: the sound signal being pulse code modulated and recorded in time division multiplex with the modulated video signal
H04N5/928 (The sound signal being pulse code modulated and recorded in time division) appears on 98 US grants and 8 published applications in this corpus.
Search patents in H04N- Granted patents
- 98
- Published applications
- 8
- Assignees
- 17
- Inventors
- 144
- Latest grant
- 3 May 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 3 | 4 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High-efficiency encoder and video information recording/reproducing apparatus3 May 2011US 7,936,817 B2Mitsubishi Denki Kabushiki Kaisha
- High-efficiency encoder and video information recording/reproducing apparatus13 Jul 2010US 7,756,202 B2Mitsubishi Denki Kabushiki Kaisha
- High efficiency encoder and video information recording/reproducing apparatus30 Mar 2010US 7,688,892 B2Mitsubishi Denki Kabushiki Kaisha
- High-efficiency encoder and video information recording/reproducing apparatus20 May 2008US 7,376,184 B2Mitsubishi Denki Kabushiki Kaisha
- High efficiency encoder and video information recording/reproducing apparatus22 Apr 2008US 7,362,805 B2Mitsubishi Denki Kabushiki Kaisha
- High efficiency encoder and video information recording/reproducing apparatus29 May 2008US 2008/0123746 A1Mitsubishi Denki Kabushiki Kaisha
- High-efficiency encoder and video information recording/reproducing apparatus15 May 2008US 2008/0112482 A1Mitsubishi Denki Kabushiki Kaisha
- High-efficiency encoder and video information recording/reproducing apparatus20 Mar 2008US 2008/0069208 A1Mitsubishi Denki Kabushiki Kaisha
- High efficiency encoder and video information recording/reproducing apparatus20 Mar 2008US 2008/0069224 A1
- High efficiency encoder and video information recording/reproducing apparatus22 Jun 2006US 2006/0133487 A1Mitsubishi Denki Kabushiki Kaisha
Most cited
By later US patents
- Data transmission and reception apparatus and method94US 4,975,915 ASony Corporation · 1990
- Recording apparatus for recording main information with additional information88US 5,132,807 ACanon Kabushiki Kaisha · 1992
- Multiple variable rate audio message playback72US 4,757,393 ADiscovision Associates · 1988
- Method and apparatus for recording and reproducing an information signal comprising a video signal and audio signal69US 4,542,419 ASony Corporation · 1985
- Recording/reproducing apparatus for selectively processing monaural, stereo and bilingual signals55US 4,583,132 ASony Corporation · 1986