H03K 4/835
Using pulse-modulation techniques for the generation of the sawtooth wave
Official title: {using pulse-modulation techniques for the generation of the sawtooth wave, e.g. class D, switched mode}
H03K4/835 (Using pulse-modulation techniques for the generation of the sawtooth wave) appears on 21 US grants and 0 published applications in this corpus.
Search patents in H03K- Granted patents
- 21
- Published applications
- 0
- Assignees
- 5
- Inventors
- 12
- Latest grant
- 9 Nov 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Circuit arrangement for producing a vertical frequency deflection current9 Nov 1999US 5,982,115 ADeutsche Thomson-Brandt GmbH
- Circuit arrangement for producing a vertical frequency deflection current17 May 1994US 5,313,146 ADeutsche Thomson-Brandt GmbH
- Switched mode vertical deflection system and control circuit12 Mar 1991US 4,999,549 ARCA Licensing Corporation
- Electric circuit for converting an AC voltage into a DC voltage or a voltage variable at a lower frequency20 Mar 1984US 4,438,375 AThomson-Brandt
- Generator for producing a d.c. supply voltage in a television receiver comprising a vertical scanning circuit10 Jan 1984US 4,425,533 AThomson-Brandt
No published applications in this class yet.
Most cited
By later US patents
- Switched vertical deflection system16US 4,048,544 ARCA Corporation · 1977
- Side pincushion distortion correction circuit9US 4,101,814 ARCA Corporation · 1978
- Vertical deflection circuit6US 4,338,549 ARCA Corporation · 1982
- Conduction overlap control circuit for switched output stages5US 4,081,721 ARCA Corporation · 1978
- Synchronous switched vertical deflection driven during both trace and retrace intervals5US 4,234,826 ARCA Corporation · 1980