H03B 5/1275
Having further means for varying a parameter in dependence on the frequency
Official title: {having further means for varying a parameter in dependence on the frequency}
H03B5/1275 (Having further means for varying a parameter in dependence on the frequency) appears on 149 US grants and 138 published applications in this corpus.
Search patents in H03B- Granted patents
- 149
- Published applications
- 138
- Assignees
- 89
- Inventors
- 267
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 7 |
| 2006 | 7 | 8 |
| 2007 | 5 | 5 |
| 2008 | 8 | 8 |
| 2009 | 4 | 8 |
| 2010 | 4 | 6 |
| 2011 | 5 | 0 |
| 2012 | 6 | 2 |
| 2013 | 2 | 6 |
| 2014 | 6 | 1 |
| 2015 | 4 | 4 |
| 2016 | 11 | 17 |
| 2017 | 7 | 7 |
| 2018 | 7 | 8 |
| 2019 | 10 | 6 |
| 2020 | 13 | 13 |
| 2021 | 12 | 5 |
| 2022 | 4 | 7 |
| 2023 | 6 | 5 |
| 2024 | 4 | 2 |
| 2025 | 7 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Switchable active element for inductor-capacitor (LC) voltage controlled oscillator19 May 2026US 12,633,874 B2QUALCOMM Incorporated
- Multi-band voltage controlled oscillator30 Sep 2025US 12,431,841 B2RichWave Technology Corp.
- Frequency multiplier2 Sep 2025US 12,407,298 B2Kookmin University Industry Academy Cooperation Foundation
- Oscillator amplitude calibration29 Jul 2025US 12,375,091 B1Cadence Design Systems, Inc.
- Power supply calibration for voltage controlled oscillators22 Jul 2025US 12,368,441 B2QUALCOMM Incorporated
- Switchable active element for inductor-capacitor (lc) voltage controlled oscillator7 May 2026US 2026/0128712 A1QUALCOMM Incorporated
- Oscillator circuitry for isolated systems5 Feb 2026US 2026/0039248 A1Texas Instruments Incorporated
- Detection and identification of weak signals in a noisy environment6 Nov 2025US 2025/0343509 A1University of Central Florida Research Foundation, Inc.
- Power supply calibration for voltage controlled oscillators22 May 2025US 2025/0167773 A1QUALCOMM Incorporated
- Multi-band voltage controlled oscillator17 Apr 2025US 2025/0125771 A1RichWave Technology Corp.
Most cited
By later US patents
- Apparatus and method for phase lock loop gain control using unit current sources81US 6,583,675 B2Broadcom Corporation · 2003
- Automatic biasing scheme for reducing oscillator phase noise59US 6,064,277 AAnalog Devices, Inc. · 2000
- High frequency transistor oscillator system34US 6,329,757 B1The Perkin-Elmer Corporation · 2001
- Oscillator circuit with automatic level control for selectively minimizing phase noise31US 6,653,908 B1National Semiconductor Corporation · 2003
- Wideband oscillator with bias compensation22US 5,097,228 AHewlett-Packard Company · 1992