H03C 1/06
Modifications of modulator to reduce distortion
Official title: Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
H03C1/06 (Modifications of modulator to reduce distortion) appears on 69 US grants and 21 published applications in this corpus.
Search patents in H03C- Granted patents
- 69
- Published applications
- 21
- Assignees
- 46
- Inventors
- 110
- Latest grant
- 9 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 4 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Open-loop valley regulation for supply voltage modulation in power amplifier circuits9 Jan 2024US 11,870,396 B2Shenzhen Goodix Technology Co., Ltd.
- Methods and apparatus to reduce variations for on-off keying transmissions2 Jan 2024US 11,863,360 B2Texas Instruments Incorporated
- Zero IF transmitter with decoupling between mixer and programmable gain stage28 Jun 2022US 11,374,536 B2Texas Instruments Incorporated
- System and method for RF amplifiers5 Apr 2022US 11,296,657 B2
- Processing amplitude modulation signals with noise estimation15 Mar 2022US 11,277,287 B2NXP B. V.
- Methods and apparatus to reduce variations for on-off keying transmissions28 Sep 2023US 2023/0308323 A1Texas Instruments Incorporated
- Open-loop valley regulation for supply voltage modulation in power amplifier circuits3 Mar 2022US 2022/0069774 A1Shenzhen Goodix Technology Co., Ltd.
- Processing amplitude modulation signals with noise estimation30 Sep 2021US 2021/0306188 A1NXP B. V.
- Zero if transmitter with decoupling between mixer and programmable gain stage20 May 2021US 2021/0152126 A1Texas Instruments Incorporated
- Zero if transmitter with decoupling between mixer and programmable gain stage4 Jun 2020US 2020/0177130 A1Texas Instruments Incorporated
Most cited
By later US patents
- Wide-band microwave modulator arrangements115US 5,463,357 APlessey Semiconductors Limited · 1995
- DC offset reduction in a transmitter114US 5,793,817 AU. S. Philips Corporation · 1998
- In-phase combiner and RF recovery system99US 5,304,943 AHarris Corporation · 1994
- Method and apparatus for amplifying, modulating and demodulating80US 5,719,527 ABritish Technology Group Limited · 1998
- Circuit for reducing distortion produced by an r.f. power amplifier71US 5,124,665 AThe Marconi Company Limited · 1992