H03K 4/625
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}
H03K4/625 (Using pulse-modulation techniques for the generation of the sawtooth wave) appears on 24 US grants and 4 published applications in this corpus.
Search patents in H03K- Granted patents
- 24
- Published applications
- 4
- Assignees
- 11
- Inventors
- 23
- Latest grant
- 18 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of synchronizing a fixed frequency ratio for a multi-axis scanner18 Jun 2024US 12,015,416 B2Infineon Technologies AG
- Method and apparatus for driving half bridge connected semiconductor power switches with a stable and extremely short interlock delay combined with a switching transition speed increase and a driving power consumption reduction15 Nov 2016US 9,496,857 B2
- Method and apparatus for driving a voltage controlled power switch device9 Sep 2014US 8,829,949 B2
- Device for the control of a circuit for the vertical deflection of a spot scanning a screen8 Jul 2003US 6,590,353 B2STMicroelectronics S.r.l.
- Method and device for controlling a circuit for the vertical deflection of a spot scanning a screen, in particular for a television set or a computer monitor25 Jun 2002US 6,411,048 B1STMicroelectronics S.r.l.
- Method of synchronizing a fixed frequency ratio for a multi-axis scanner2 May 2024US 2024/0146317 A1Infineon Technologies AG
- Method and apparatus for driving half bridge connected semiconductor power switches with a stable and extremely short interlock delay combined with a switching transition speed increase and a driving power consumption reduction23 Apr 2015US 2015/0109033 A1
- Method and apparatus for driving a voltage controlled power switch device18 Jul 2013US 2013/0181748 A1
- Device for the control of a circuit for the vertical deflection of a spot scanning a screen19 Sep 2002US 2002/0130246 A1STMicroelectronics S.r.l.
Most cited
By later US patents
- Generator of periodial signals, in particular for switch-mode power supplies23US 4,801,816 ASGS-Thomson Microelectronics S.A. · 1989
- Class D amplifier15US 3,939,380 ARCA Corporation · 1976
- Deflection apparatus for raster scanned CRT displays12US 5,469,029 AInternational Business Machines Corporation · 1995
- Method and apparatus for driving a voltage controlled power switch device8US 8,829,949 B22014
- Deflection apparatus for raster scanned CRT displays7US 5,466,993 AInternational Business Machines Corporation · 1995