H04N 9/8088
With insertion of the pcm audio signals in the vertical blanking interval
Official title: {with insertion of the PCM audio signals in the vertical blanking interval of the PCM video signal}
H04N9/8088 (With insertion of the pcm audio signals in the vertical blanking interval) appears on 7 US grants and 0 published applications in this corpus.
Search patents in H04N- Granted patents
- 7
- Published applications
- 0
- Assignees
- 4
- Inventors
- 15
- Latest grant
- 7 Mar 1995
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for reproducing and after-recording digital information signals on magnetic tape7 Mar 1995US 5,396,374 ASony Corporation
- Magnetic tape recording and reproducing apparatus for digital signals of still pictures in the pal system1 Nov 1994US 5,361,135 ASharp Kabushiki Kaisha
- Recording and reproducing method and apparatus utilizing a signal format for simplifying special operations and assisting efficient signal processing14 Dec 1993US 5,270,828 AAiwa Co., Ltd.
- Digital signal recording apparatus time-division multiplexing video and audio signals31 Mar 1992US 5,101,274 ACanon Kabushiki Kaisha
- Digital signal recording apparatus time-division multiplexing video and audio signals30 Apr 1991US 5,012,352 ACanon Kabushiki Kaisha
No published applications in this class yet.
Most cited
By later US patents
- Recording and reproducing method and apparatus utilizing a signal format for simplifying special operations and assisting efficient signal processing64US 5,270,828 AAiwa Co., Ltd. · 1993
- Method and apparatus for reproducing and after-recording digital information signals on magnetic tape46US 5,396,374 ASony Corporation · 1995
- Digital video recorder40US 4,468,710 ASony Corporation · 1984
- Digital signal recording apparatus time-division multiplexing video and audio signals35US 5,012,352 ACanon Kabushiki Kaisha · 1991
- Digital signal recording apparatus time-division multiplexing video and audio signals20US 5,101,274 ACanon Kabushiki Kaisha · 1992