H03F 2203/45688
The lc comprising one or more shunting potentiometers
Official title: the LC comprising one or more shunting potentiometers
H03F2203/45688 (The lc comprising one or more shunting potentiometers) appears on 21 US grants and 16 published applications in this corpus.
Search patents in H03F- Granted patents
- 21
- Published applications
- 16
- Assignees
- 17
- Inventors
- 41
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable gain amplifier2 Jun 2026US 12,647,081 B2Fujikura Ltd.
- Reference generation circuit for maintaining temperature-tracked linearity in amplifier with adjustable high-frequency gain11 Feb 2025US 12,224,715 B2
- Variable gain control system and method for an amplifier21 Feb 2023US 11,588,458 B2QUALCOMM Incorporated
- Amplifier with adjustable high-frequency gain using varactor diodes15 Nov 2022US 11,502,658 B2Kandou Labs, S.A.
- Reference generation circuit for maintaining temperature-tracked linearity in amplifier with adjustable high-frequency gain27 Sep 2022US 11,456,708 B1Kandou Labs, S.A.
- Variable gain amplifier7 Dec 2023US 2023/0396222 A1Fujikura Ltd.
- Amplifier circuit with variable temperature coefficient of gain, and circuit for generating voltage with variable temperature coefficient, which becomes reference potential at reference temperature, direct voltage generating circuit, and circuit for compensating for temperature drift of another amplifier circuit, which use the amplifier circuit14 Sep 2023US 2023/0291372 A1Nf Holdings Corporation
- Reference generation circuit for maintaining temperature-tracked linearity in amplifier with adjustable high-frequency gain19 Jan 2023US 2023/0021200 A1Kandou Labs, S.A.
- Variable gain control system and method for an amplifier23 Jun 2022US 2022/0200557 A1QUALCOMM Incorporated
- Amplifier with adjustable high-frequency gain using varactor diodes10 Jun 2021US 2021/0175867 A1Kandou Labs, S.A.
Most cited
By later US patents
- Substantially temperature-independent trimming of current flows18US 4,243,948 ARCA Corporation · 1981
- Powered transducer preamplifier with DC level shifting circuit17US 6,577,187 B1UpState Audio · 2003
- Differential-input amplifier circuit16US 4,272,728 ARCA Corporation · 1981
- Amplifier with adjustable high-frequency gain using varactor diodes8US 10,931,249 B2Kandou Labs, S.A. · 2021
- Temperature-independent current trimming arrangement6US 4,366,444 ARCA Corporation · 1982