H03C 3/0958
Applying frequency modulation by varying the characteristics of the voltage controlled oscillator
Official title: {applying frequency modulation by varying the characteristics of the voltage controlled oscillator}
H03C3/0958 (Applying frequency modulation by varying the characteristics of the voltage controlled oscillator) appears on 140 US grants and 87 published applications in this corpus.
Search patents in H03C- Granted patents
- 140
- Published applications
- 87
- Assignees
- 89
- Inventors
- 260
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 8 |
| 2004 | 11 | 7 |
| 2005 | 0 | 3 |
| 2006 | 8 | 10 |
| 2007 | 10 | 5 |
| 2008 | 1 | 3 |
| 2009 | 4 | 4 |
| 2010 | 5 | 2 |
| 2011 | 5 | 1 |
| 2012 | 4 | 5 |
| 2013 | 5 | 2 |
| 2014 | 4 | 2 |
| 2015 | 1 | 3 |
| 2016 | 8 | 7 |
| 2017 | 5 | 4 |
| 2018 | 4 | 3 |
| 2019 | 3 | 2 |
| 2020 | 5 | 2 |
| 2021 | 4 | 4 |
| 2022 | 5 | 4 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- PLL circuit and method for generating a modulated carrier signal20 Jan 2026US 12,531,514 B2Sony Semiconductor Solutions Corporation
- Device and method for signal synthesis compensating the frequency offset of open loop15 Jul 2025US 12,362,707 B2Research & Business Foundation Sungkyunkwan University
- Signal synthesis apparatus and method capable of correcting frequency offset of open loop13 May 2025US 12,301,241 B2Research & Business Foundation Sungkyunkwan University
- Method of controlling a frequency-modulated oscillator of a phase-locked loop circuit22 Apr 2025US 12,283,962 B2NXP B. V.
- Oscillator with frequency variation compensation15 Oct 2024US 12,119,788 B2Cypress Semiconductor Corporation
- Pll circuit and method for generating a modulated carrier signal3 Apr 2025US 2025/0112595 A1Sony Semiconductor Solutions Corporation
- Device and method for signal synthesis compensating the frequency offset of open loop31 Oct 2024US 2024/0364263 A1Research & Business Foundation Sungkyunkwan University
- Signal synthesis apparatus and method capable of correcting frequency offset of open loop31 Oct 2024US 2024/0364352 A1Research & Business Foundation Sungkyunkwan University
- Method of controlling a frequency-modulated oscillator of a phase-locked loop circuit7 Mar 2024US 2024/0080031 A1NXP B. V.
- Oscillator with frequency variation compensation20 Oct 2022US 2022/0337189 A1Cypress Semiconductor Corporation
Most cited
By later US patents
- Apparatus for low power radio communications99US 6,223,061 B1Cleveland Medical Devices Inc. · 2001
- Battery saving system for a frequency synthesizer51US 4,631,496 AMotorola, Inc. · 1986
- Two-port synthesizer modulation system employing an improved reference phase modulator45US 4,755,774 AMotorola, Inc. · 1988
- Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions42US 5,555,276 ANorand Corporation · 1996
- Phase locked loop with down-conversion in feedback path40US 6,018,275 ANokia Mobile Phones Ltd. · 2000