H03G 3/3021
By varying the duty cycle
Official title: {by varying the duty cycle}
H03G3/3021 (By varying the duty cycle) appears on 18 US grants and 18 published applications in this corpus.
Search patents in H03G- Granted patents
- 18
- Published applications
- 18
- Assignees
- 19
- Inventors
- 33
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Two-state automatic gain control for communications and radar3 Oct 2023US 11,774,550 B2Nokia Technologies Oy
- Clipping state detecting circuit and clipping state detecting method22 Aug 2023US 11,736,082 B2Kabushiki Kaisha Toshiba
- Class-D amplifier with duty cycle control11 Jun 2019US 10,320,352 B1Texas Instruments Incorporated
- Sensor signal output circuit and method for adjusting it11 Jul 2017US 9,705,462 B2Fuji Electric Co., Ltd.
- Zero drift, limitless and adjustable reference voltage generation24 Jan 2017US 9,552,003 B2PR Electronics A/S
- Clipping state detecting circuit and clipping state detecting method17 Mar 2022US 2022/0085783 A1Kabushiki Kaisha Toshiba
- Two-state automatic gain control for communications and radar24 Feb 2022US 2022/0057478 A1Nokia Technologies Oy
- Class-d amplifier with duty cycle control23 May 2019US 2019/0158049 A1Texas Instruments Incorporated
- Zero Drift, Limitless and Adjustable Reference Voltage Generation13 Oct 2016US 2016/0299519 A1PR Electronics A/S
- Sensor signal output circuit and method for adjusting it2 Apr 2015US 2015/0092819 A1Fuji Electric Co., Ltd.
Most cited
By later US patents
- Digital amplifier169US 6,919,771 B2Denon, Ltd. · 2005
- Output control apparatus of pulse width modulator14US 6,803,798 B1SONIX Technology Co., Ltd. · 2004
- Power and modulation control system12US 3,943,446 AWestinghouse Electric Corp. · 1976
- Volume adjustment device, digital amplifier, and digital signal reproducing device10US 7,049,885 B2Sharp Kabushiki Kaisha · 2006
- Pulse-width modulation circuit and switching amplifier using the same8US 7,102,405 B2Onkyo Corporation · 2006