H04N 9/8087
Using time division multiplex of the pcm audio and pcm video signals
Official title: {using time division multiplex of the PCM audio and PCM video signals}
H04N9/8087 (Using time division multiplex of the pcm audio and pcm video signals) appears on 43 US grants and 1 published applications in this corpus.
Search patents in H04N- Granted patents
- 43
- Published applications
- 1
- Assignees
- 10
- Inventors
- 50
- Latest grant
- 7 Aug 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 15 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Recording medium and reproducing apparatus for quantized data7 Aug 2007US 7,254,456 B2Kabushiki Kaisha Toshiba
- Recording medium and reproducing apparatus for quantized data30 May 2006US 7,054,697 B1Kabushiki Kaisha Toshiba
- Information record medium, apparatus for recording the same and apparatus for reproducing the same17 Aug 2004US 6,778,761 B1Pioneer Electronic Corporation
- Information record medium, apparatus for recording the same and apparatus for reproducing the same24 Oct 2000US 6,137,954 APioneer Electronic Corporation
- Information record medium, apparatus for recording the same and apparatus for reproducing the same11 Jan 2000US 6,014,495 APioneer Electronic Corporation
Most cited
By later US patents
- Information record medium, apparatus for recording the same and apparatus for reproducing the same175US 6,137,954 APioneer Electronic Corporation · 2000
- Information recording medium and apparatus and method for recording and reproducing information164US 5,596,564 AMatsushita Electric Industrial Co., Ltd. · 1997
- Multi-scene recording medium and apparatus for reproducing data therefrom136US 5,630,006 AKabushiki Kaisha Toshiba · 1997
- Information recording medium and apparatus and method for recording and reproducing information113US 5,642,338 AMatsushita Electric Industrial Co., Ltd. · 1997
- Audio and video digital recording and playback system91US 4,755,889 ACompuSonics Video Corporation · 1988