H03B 2201/00
Aspects of oscillators relating to varying the frequency of the oscillations
H03B2201/00 (Aspects of oscillators relating to varying the frequency of the oscillations) appears on 972 US grants and 519 published applications in this corpus.
Search patents in H03B- Granted patents
- 972
- Published applications
- 519
- Assignees
- 390
- Inventors
- 1,655
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 11 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 13 | 0 |
| 1986 | 29 | 0 |
| 1987 | 15 | 0 |
| 1988 | 18 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 23 | 0 |
| 1992 | 28 | 0 |
| 1993 | 20 | 0 |
| 1994 | 13 | 0 |
| 1995 | 19 | 0 |
| 1996 | 31 | 0 |
| 1997 | 17 | 0 |
| 1998 | 39 | 0 |
| 1999 | 40 | 0 |
| 2000 | 19 | 0 |
| 2001 | 32 | 13 |
| 2002 | 22 | 21 |
| 2003 | 24 | 32 |
| 2004 | 24 | 21 |
| 2005 | 23 | 32 |
| 2006 | 33 | 31 |
| 2007 | 30 | 26 |
| 2008 | 27 | 25 |
| 2009 | 20 | 28 |
| 2010 | 23 | 8 |
| 2011 | 11 | 5 |
| 2012 | 10 | 7 |
| 2013 | 5 | 16 |
| 2014 | 20 | 20 |
| 2015 | 17 | 20 |
| 2016 | 31 | 22 |
| 2017 | 17 | 29 |
| 2018 | 20 | 30 |
| 2019 | 35 | 30 |
| 2020 | 43 | 28 |
| 2021 | 23 | 16 |
| 2022 | 22 | 23 |
| 2023 | 17 | 13 |
| 2024 | 12 | 5 |
| 2025 | 9 | 11 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic oscillator with independent controls of variable capacities28 Jul 2026US 12,695,422 B2
- Phase noise reduction in a variable analogue RF resonator with switched capacitors17 Mar 2026US 12,580,544 B2Anlotek Limited
- Semiconductor device and operating method thereof17 Feb 2026US 12,556,138 B2National Cheng Kung University
- Built-in self-test system and method for crystal oscillator amplifier10 Feb 2026US 12,546,813 B2NXP B. V.
- Switched oscillator circuit10 Feb 2026US 12,549,131 B2Nordic Semiconductor ASA
- Circuit device and oscillator23 Jul 2026US 2026/0213709 A1Seiko Epson Corporation
- Non-uniform coarse dco steps for improved chirp linearity23 Jul 2026US 2026/0213756 A1NXP B. V.
- Semiconductor device and operating method thereof21 May 2026US 2026/0142620 A1National Cheng Kung University
- Multi-mode voltage-controlled oscillator (vco) with transformer-based coupling7 May 2026US 2026/0128714 A1QUALCOMM Incorporated
- Oscillator and method of using an oscillator23 Apr 2026US 2026/0112997 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Monolithically integrated switched capacitor bank using micro electro mechanical system (MEMS) technology253US 5,880,921 ARockwell Science Center, Inc. · 1999
- Transmitter of the telemetry device of an implant249US 6,490,487 B1Biotronki Mess - und Therapiegeraete GmbH & Co. Ingenieurbuero Berlin · 2002
- Voltage controlled oscillator with current control134US 5,175,884 AMotorola, Inc. · 1992
- Resonant line constructed by microstrip line which is easy to be trimmed129US 6,448,874 B1Alps Electric Co., Ltd. · 2002
- Tunable-trimmable micro electro mechanical system (MEMS) capacitor127US 5,959,516 ARockwell Science Center, Inc. · 1999