H04N 9/893
Using an analogue memory
Official title: using an analogue memory, e.g. a CCD shift register, the delay of which is controlled by a voltage controlled oscillator
H04N9/893 (Using an analogue memory) appears on 42 US grants and 0 published applications in this corpus.
Search patents in H04N- Granted patents
- 42
- Published applications
- 0
- Assignees
- 26
- Inventors
- 68
- Latest grant
- 23 Apr 1996
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Information signal recording apparatus23 Apr 1996US 5,510,898 ACanon Kabushiki Kaisha
- Semiconductor delay line driven by an input signal-derived reference signal31 Oct 1995US 5,463,475 AFuji Photo Film Co., Ltd.
- Burst phase correcting circuit27 Sep 1994US 5,351,091 ASanyo Electric Co., Ltd.
- Still-video signal playback apparatus with plural system demodulator and low pass filter selection and delay compensation29 Jun 1993US 5,223,943 AFuji Photo Film Co., Ltd.
- Time difference correction circuit for brightness and chrominance signals27 Oct 1992US 5,159,440 AGold Star Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Color video tape recording/playback system43US 4,133,009 ABASF SE · 1979
- Method and apparatus for data recording disc playback36US 4,761,692 APioneer Electronic Corporation · 1988
- Video signal magnetic recording and reproducing system32US 4,542,417 AVictor Company of Japan, Ltd. · 1985
- Video signal time base error correction circuit28US 4,313,129 AUniversal Pioneer Corporation · 1982
- Video memory device28US 4,536,795 AVictor Company of Japan, Ltd. · 1985