H03J 3/00
Continuous tuning
Official title: Continuous tuning (H03J7/00, H03J9/00 take precedence; combination of continuous and discontinuous tuning other than for bandspreading H03J5/00)
H03J3/00 (Continuous tuning) appears on 786 US grants and 582 published applications in this corpus.
Search patents in H03J- Granted patents
- 786
- Published applications
- 582
- Assignees
- 340
- Inventors
- 1,216
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 16 | 0 |
| 1978 | 6 | 0 |
| 1979 | 8 | 0 |
| 1980 | 20 | 0 |
| 1981 | 16 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 11 | 0 |
| 1987 | 7 | 0 |
| 1988 | 13 | 0 |
| 1989 | 15 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 14 | 11 |
| 2002 | 17 | 22 |
| 2003 | 19 | 28 |
| 2004 | 20 | 25 |
| 2005 | 27 | 45 |
| 2006 | 23 | 23 |
| 2007 | 27 | 37 |
| 2008 | 31 | 32 |
| 2009 | 33 | 34 |
| 2010 | 30 | 35 |
| 2011 | 19 | 30 |
| 2012 | 31 | 19 |
| 2013 | 22 | 22 |
| 2014 | 26 | 17 |
| 2015 | 25 | 13 |
| 2016 | 23 | 17 |
| 2017 | 12 | 26 |
| 2018 | 29 | 28 |
| 2019 | 32 | 33 |
| 2020 | 24 | 20 |
| 2021 | 23 | 18 |
| 2022 | 18 | 14 |
| 2023 | 15 | 5 |
| 2024 | 7 | 15 |
| 2025 | 8 | 6 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03J 3/02Details472
- H03J 3/20Continuous tuning: of single resonant circuit by varying inductance only or capacitance267
- H03J 3/28Continuous tuning: of more than one resonant circuit simultaneously, the tuning frequencies58
- H03J 3/24Continuous tuning: of more than one resonant circuit simultaneously, the circuits being54
- H03J 3/22Continuous tuning: of single resonant circuit by varying inductance and capacitance simultaneously23
Recent patents
- Electronic circuit including a tunable circuit with a tunable signal path which is controlled by first and second driver circuits29 Sep 2026US 12,750,027 B2Innolux Corporation
- Systems and methods for impedance tuning22 Sep 2026US 12,744,516 B2Apple Inc.
- VHF-UHF harmonic load pull tuner8 Sep 2026US 12,732,164 B1
- Dynamic tuning of an RFID receiver to achieve substantially maximum received signal strength28 Jul 2026US 12,694,255 B2RFMicron, Inc.
- Bimodal EPR resonator with automatic electrically controlled inter-mode isolation10 Feb 2026US 12,546,838 B2West Virginia University Board of Governors on behalf of West Virginia University
- Medical implant system including base station and medical implant6 Aug 2026US 2026/0229924 A1Nyxoah SA
- Low phase noise phase locked loop16 Jul 2026US 2026/0205126 A1NXP B. V.
- Low phase noise phase locked loop16 Jul 2026US 2026/0205128 A1NXP B. V.
- Superconducting tunable resonator with wide tuning range utilizing radio frequency superconducting quantum interference devices and multi-stacked capacitor11 Jun 2026US 2026/0165035 A1Dell Products L. P.
- Methods and Apparatuses for Use in Tuning Reactance in a Circuit Device19 Mar 2026US 2026/0081595 A1pSemi Corporation
Most cited
By later US patents
- Tunable filter and method of tuning a filter328US 6,778,023 B2Nokia Corporation · 2004
- Circuit and method for converting a radio frequency signal into a baseband signal141US 5,321,852 ASamsung Electronics Co., Ltd. · 1994
- Tunable-trimmable micro electro mechanical system (MEMS) capacitor127US 5,959,516 ARockwell Science Center, Inc. · 1999
- Receiver with analog and digital channel selectivity115US 5,926,513 AAlcatel Alsthom Compagnie Generale d Electricite · 1999
- System and method for providing a low power receiver design114US 6,377,315 B1Broadcom Corporation · 2002