H03K 4/725
Push-pull amplifier circuits
Official title: {Push-pull amplifier circuits}
H03K4/725 (Push-pull amplifier circuits) appears on 27 US grants and 0 published applications in this corpus.
Search patents in H03K- Granted patents
- 27
- Published applications
- 0
- Assignees
- 16
- Inventors
- 26
- Latest grant
- 5 Jan 1993
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Vertical deflection circuit5 Jan 1993US 5,177,414 AKabushiki Kaisha Toshiba
- Vertical deflection circuit for electron beams in picture tubes11 Aug 1987US 4,686,432 ADeutsche Thomson-Brandt GmbH
- Bidirectional pulse generator for video disc stylus deflector transducer2 Aug 1983US 4,397,014 ANCR Corporation
- Versatile video CRT display30 Nov 1982US 4,361,785 AK&R Engineering Sales Corporation
- Drive circuits for a high resolutions cathode ray tube display5 Oct 1982US 4,353,013 ACPT Corporation
No published applications in this class yet.
Most cited
By later US patents
- Versatile video CRT display24US 4,361,785 AK&R Engineering Sales Corporation · 1982
- Vertical deflection circuit for electron beams in picture tubes16US 4,686,432 ADeutsche Thomson-Brandt GmbH · 1987
- Simplified vertical deflection circuit12US 4,277,729 ARCA Corporation · 1981
- Deflection waveform generator10US 4,176,300 AUnited Technologies Corporation · 1979
- Constant-current vertical amplifier9US 4,188,567 AGTE Sylvania Incorporated · 1980