H04N 23/43
During retrace periods
Official title: {during retrace periods, e.g. circuits for ACT tubes or leg suppression}
H04N23/43 (During retrace periods) appears on 12 US grants and 0 published applications in this corpus.
Search patents in H04N- Granted patents
- 12
- Published applications
- 0
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 11 Jun 1991
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic deflection circuit with stabilized retrace11 Jun 1991US 5,023,525 AMegascan Technology, Inc.
- Protection circuit for a television camera preamplifier30 Dec 1986US 4,633,318 AU. S. Philips Corporation
- Method and apparatus for automatically controlling highlight effects10 Sep 1985US 4,540,919 AAmpex Corporation
- Camera pickup tube circuit for automatically suppressing excessive highlights in response to their occurrence24 May 1983US 4,385,323 AAmpex Corporation
- Television camera equipped with an anti-blooming device12 Apr 1983US 4,380,028 AThomson-CSF
No published applications in this class yet.
Most cited
By later US patents
- Circuit arrangement suitable for use in a television pick-up tube provided with an anti-comet tail electron gun13US 3,955,116 AU. S. Philips Corporation · 1976
- Television camera equipped with an anti-blooming device7US 4,380,028 AThomson-CSF · 1983
- Circuit arrangement for use in a television camera tube with an anti-comet tail electron gun5US 3,931,466 AU. S. Philips Corporation · 1976
- Television camera tube arrangements4US 4,143,305 AThe Marconi Company Limited · 1979
- Image tube suppression circuit4US 4,379,310 ARCA Corporation · 1983