H04N 3/237
Using passive elements
Official title: using passive elements, e.g. diodes
H04N3/237 (Using passive elements) appears on 47 US grants and 2 published applications in this corpus.
Search patents in H04N- Granted patents
- 47
- Published applications
- 2
- Assignees
- 25
- Inventors
- 71
- Latest grant
- 3 Feb 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Display device comprising a deflection unit3 Feb 2004US 6,686,708 B2Koninklijke Philips Electronics N. V.
- Cathode-ray tube apparatus4 Dec 2001US 6,326,745 B1Kabushiki Kaisha Toshiba
- Image distortion correction circuit18 Sep 2001US 6,291,948 B1Mitsubishi Denki Kabushiki Kaisha
- Horizontal deflection circuit24 Apr 2001US 6,222,328 B1Sony Corporation
- Horizontal deflection circuit24 Apr 2001US 6,222,329 B1Sony Corporation
Most cited
By later US patents
- Deflection yoke with permanent magnet raster correction17US 4,143,345 ARCA Corporation · 1979
- Deflection yoke apparatus15US 4,547,707 ADenki Onkyo Co., Ltd. · 1985
- Pincushion correction transformer13US 3,990,030 AStandex International Corporation · 1976
- Raster distortion correcting circuit12US 3,968,402 ASony Corporation · 1976
- Nonlinear inductor with magnetic field reduction12US 5,350,980 AInternational Business Machines Corporation · 1994