H04N 9/84
The recorded signal showing a feature, which is different in adjacent track
Official title: the recorded signal showing a feature, which is different in adjacent track parts, e.g. different phase or frequency
H04N9/84 (The recorded signal showing a feature, which is different in adjacent track) appears on 75 US grants and 0 published applications in this corpus.
Search patents in H04N- Granted patents
- 75
- Published applications
- 0
- Assignees
- 23
- Inventors
- 107
- Latest grant
- 11 Dec 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- VTR signal processing circuit11 Dec 2001US 6,330,391 B1Victor Company of Japan, Ltd.
- Magnetic recording and/or reproducing apparatus27 Feb 2001US 6,195,499 B1Hitachi, Ltd.
- Video signal reproduction apparatus for chrominance signals12 Dec 2000US 6,160,949 ASanyo Electric Co., Ltd.
- System for recording and reproducing a wide bandwidth video signal via a narrow bandwidth medium17 Oct 2000US 6,134,373 ASamsung Electronics Co., Ltd.
- Integrated television and video cassette recorder system17 Aug 1999US 5,940,572 ADaewoo Electronics Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Integrated television and video cassette recorder system159US 5,940,572 ADaewoo Electronics Co., Ltd. · 1999
- Nervous clock signal generator for video recorder35US 5,218,449 ASamsung Electronics Co., Ltd. · 1993
- Magnetic recording and/or reproducing apparatus with chrominance crosstalk elimination22US 4,007,484 ASony Corporation · 1977
- Magnetic recording and/or reproducing apparatus21US 4,007,482 ASony Corporation · 1977
- Color video signal recording and/or reproducing system18US 4,178,606 AVictor Company of Japan, Ltd. · 1979