H03B 5/1237
Comprising means for varying the frequency of the generator
Official title: {comprising means for varying the frequency of the generator}
H03B5/1237 (Comprising means for varying the frequency of the generator) appears on 1,707 US grants and 1,459 published applications in this corpus.
Search patents in H03B- Granted patents
- 1,707
- Published applications
- 1,459
- Assignees
- 532
- Inventors
- 2,618
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 18 | 0 |
| 1987 | 4 | 0 |
| 1988 | 10 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 19 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 22 | 0 |
| 1999 | 27 | 0 |
| 2000 | 25 | 0 |
| 2001 | 32 | 13 |
| 2002 | 29 | 60 |
| 2003 | 42 | 41 |
| 2004 | 59 | 77 |
| 2005 | 56 | 83 |
| 2006 | 73 | 82 |
| 2007 | 74 | 74 |
| 2008 | 63 | 88 |
| 2009 | 73 | 85 |
| 2010 | 55 | 57 |
| 2011 | 60 | 53 |
| 2012 | 75 | 51 |
| 2013 | 35 | 47 |
| 2014 | 47 | 56 |
| 2015 | 61 | 58 |
| 2016 | 106 | 75 |
| 2017 | 64 | 67 |
| 2018 | 43 | 60 |
| 2019 | 77 | 59 |
| 2020 | 89 | 70 |
| 2021 | 66 | 45 |
| 2022 | 56 | 49 |
| 2023 | 49 | 32 |
| 2024 | 33 | 23 |
| 2025 | 35 | 30 |
| 2026 | 21 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03B 5/124The means comprising a voltage dependent capacitance1,360
- H03B 5/1262The means comprising switched elements595
- H03B 5/1293Having means for achieving a desired tuning characteristic212
- H03B 5/1275Having further means for varying a parameter in dependence on the frequency149
- H03B 5/1256The means comprising a variable inductance101
- H03B 5/1271The frequency being controlled by a control current, i.e. current controlled oscillators92
Recent patents
- Systems and methods for implementing a dual-core voltage-controlled oscillator18 Aug 2026US 12,712,490 B2Avago Technologies International Sales Pte. Limited
- Methods and apparatus to terminate transmission lines in voltage-controlled oscillators21 Jul 2026US 12,689,327 B2Texas Instruments Incorporated
- Digitally controlled oscillator21 Jul 2026US 12,689,328 B2NXP B. V.
- Compensation technique for the nonlinear behavior of digitally-controlled oscillator (DCO) gain21 Jul 2026US 12,689,379 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Multi-mode voltage-controlled oscillator (VCO) with transformer-based coupling30 Jun 2026US 12,671,364 B2QUALCOMM Incorporated
- Compensation Technique for the Nonlinear Behavior of Digitally-Controlled Oscillator (DCO) Gain8 Oct 2026US 2026/0312591 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Multi-core vco with robust unwanted mode suppression and circular coil topology6 Aug 2026US 2026/0230038 A1Samsung Electronics Co., Ltd.
- Methods, apparatus, and systems for a multi-band hybrid inductor-capacitor voltage-controlled oscillator30 Jul 2026US 2026/0221937 A1Texas Instruments Incorporated
- Oscillator circuit having voltage-withstanding mechanism23 Jul 2026US 2026/0213710 A1Realtek Semiconductor Corp.
- Digitally controlled oscillator with segmented varactor bank and multiple-voltage linearization, and associated apparatus23 Jul 2026US 2026/0213711 A1Mediatek Inc.
Most cited
By later US patents
- Tunable horn antenna238US 6,867,744 B2Kyocera Wireless Corp. · 2005
- Tunable matching circuit154US 6,825,818 B2Kyocera Wireless Corp. · 2004
- Dual-band coupled VCO148US 8,125,282 B2Telefonaktiebolaget LM Ericsson (publ) · 2012
- Tunable antenna matching circuit139US 6,765,540 B2Kyocera Wireless Corp. · 2004
- Voltage controlled oscillator with current control134US 5,175,884 AMotorola, Inc. · 1992