H03J 3/24
Continuous tuning: of more than one resonant circuit simultaneously, the circuits being
Official title: of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
H03J3/24 (Continuous tuning: of more than one resonant circuit simultaneously, the circuits being) appears on 54 US grants and 42 published applications in this corpus.
Search patents in H03J- Granted patents
- 54
- Published applications
- 42
- Assignees
- 41
- Inventors
- 92
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 8 |
| 2006 | 2 | 1 |
| 2007 | 3 | 5 |
| 2008 | 6 | 1 |
| 2009 | 3 | 4 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 3 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 5 | 4 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Magnetic resonance coupling wireless charging device based on differential structure2 Sep 2025US 12,407,188 B2Chengdu Xpowerit Technologies Co., Ltd.
- Variable impedance circuit17 Sep 2024US 12,095,523 B2Solaredge Technologies Ltd.
- Tunable circuit including integrated filter circuit coupled to variable capacitance, and related integrated circuit (IC) packages and fabrication methods26 Sep 2023US 11,770,115 B2QUALCOMM Incorporated
- Variable impedance circuit15 Aug 2023US 11,728,845 B2Solaredge Technologies Ltd.
- Load-induced resonance-shift-keying modulation scheme for simultaneous near-field wireless power and data transmission through a pair of inductive coils12 Jul 2022US 11,387,685 B2The Regents of the University of California
- Variable Impedance Circuit5 Dec 2024US 2024/0405801 A1Solaredge Technologies Ltd.
- System providing power and communications for ocular device4 Apr 2024US 2024/0108456 A1Blink Energy Ltd.
- Variable Impedance Circuit25 Jan 2024US 2024/0030965 A1Solaredge Technologies Ltd.
- Magnetic Resonance Coupling Wireless Charging Device Based On Differential Structure4 Aug 2022US 2022/0247221 A1Chengdu Xpowerit Technologies Co., Ltd.
- Tunable circuit including integrated filter circuit coupled to variable capacitance, and related integrated circuit (ic) packages and fabrication methods21 Apr 2022US 2022/0123735 A1QUALCOMM Incorporated
Most cited
By later US patents
- UHF tuning circuit utilizing a varactor diode71US 4,048,598 ARCA Corporation · 1977
- Method for automatically adjusting a tunable passive antenna and a tuning unit, and apparatus for radio communication using this method47US 10,008,777 B1Tekcem · 2018
- Integrated electric filter with adjustable RC parameters32US 4,785,253 AU. S. Philips Corporation · 1988
- Method for tuning a bandpass analog-to-digital converter and associated architecture28US 6,819,274 B2Silicon Laboratories Inc. · 2004
- Tunable resonant circuits for a multi-band VHF/UHF/CATV tuner22US 4,271,529 AZenith Radio Corporation · 1981