H03K 4/60
In which a sawtooth current is produced through an inductor
Official title: in which a sawtooth current is produced through an inductor
H03K4/60 (In which a sawtooth current is produced through an inductor) appears on 255 US grants and 8 published applications in this corpus.
Search patents in H03K- Granted patents
- 255
- Published applications
- 8
- Assignees
- 84
- Inventors
- 255
- Latest grant
- 18 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 13 | 0 |
| 1978 | 13 | 0 |
| 1979 | 23 | 0 |
| 1980 | 29 | 0 |
| 1981 | 20 | 0 |
| 1982 | 15 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 13 | 0 |
| 1986 | 5 | 0 |
| 1987 | 12 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 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 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of synchronizing a fixed frequency ratio for a multi-axis scanner18 Jun 2024US 12,015,416 B2Infineon Technologies AG
- Current-feedback operational amplifier-based sinusoidal oscillator22 Nov 2016US 9,503,098 B1King Fahd University of Petroleum and Minerals
- 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
- Driver circuit for driving a switching transistor12 Jul 2005US 6,917,225 B2Thomson Licensing
- Method of synchronizing a fixed frequency ratio for a multi-axis scanner2 May 2024US 2024/0146317 A1Infineon Technologies AG
- Switched-mode power supply with fixed on-time control scheme10 Sep 2020US 2020/0287465 A1QUALCOMM Incorporated
- Apparatus for Inductive Current Amplification16 Apr 2020US 2020/0119645 A1Starv Power, LLC
- 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
Most cited
By later US patents
- Current control circuit for horizontal deflection coil of television receiver33US 4,206,388 ASony Corporation · 1980
- Hanging fitting for freight receptacles, known as containers29US 3,963,290 AJohann Birkart, Internationale Spedition · 1976
- Current control circuit29US 4,242,714 ASony Corporation · 1980
- High efficiency deflection circuit28US 3,983,452 ARCA Corporation · 1976
- Versatile video CRT display24US 4,361,785 AK&R Engineering Sales Corporation · 1982