H03L 7/02
Automatic control of frequency or phase: using a frequency discriminator comprising a
Official title: using a frequency discriminator comprising a passive frequency-determining element
H03L7/02 (Automatic control of frequency or phase: using a frequency discriminator comprising a) appears on 200 US grants and 114 published applications in this corpus.
Search patents in H03L- Granted patents
- 200
- Published applications
- 114
- Assignees
- 139
- Inventors
- 395
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 5 | 1 |
| 2004 | 3 | 0 |
| 2005 | 2 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 6 |
| 2008 | 4 | 9 |
| 2009 | 5 | 2 |
| 2010 | 8 | 1 |
| 2011 | 3 | 7 |
| 2012 | 1 | 2 |
| 2013 | 3 | 8 |
| 2014 | 8 | 8 |
| 2015 | 9 | 8 |
| 2016 | 12 | 6 |
| 2017 | 8 | 6 |
| 2018 | 2 | 4 |
| 2019 | 7 | 3 |
| 2020 | 7 | 6 |
| 2021 | 7 | 6 |
| 2022 | 5 | 10 |
| 2023 | 9 | 4 |
| 2024 | 5 | 6 |
| 2025 | 5 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- High gain detector techniques for low bandwidth low noise phase-locked loops18 Aug 2026US 12,712,551 B2Texas Instruments Incorporated
- Clock frequency drift compensation for a clock generator2 Jun 2026US 12,647,122 B2NXP USA, Inc.
- Electronic device and method for outputting sound19 Aug 2025US 12,395,782 B2Samsung Electronics Co., Ltd.
- Phase locked loop and sensing device22 Apr 2025US 12,283,963 B2Kabushiki Kaisha Toshiba
- Spurious suppression circuit12 Mar 2026US 2026/0074683 A1
- System and methods for controlling filter bank device18 Dec 2025US 2025/0385703 A1Qorvo US, Inc.
- Pulse generation circuit27 Nov 2025US 2025/0364975 A1Nuvoton Technology Corporation
- Clock frequency drift compensation for a clock generator23 Oct 2025US 2025/0330185 A1NXP USA, Inc.
- Trim circuit and method of oscillator drive circuit phase calibration3 Apr 2025US 2025/0109967 A1NXP USA, Inc.
Most cited
By later US patents
- Circuit for driving ultrasonic transducer409US 4,965,532 AOlympus Optical Co., Ltd. · 1990
- Ultrasonic wave oscillator circuit with output meter350US 4,302,728 AOhtake Works Company, Ltd. · 1981
- Method and device relating to supervision and control of an oscillator signal327US 6,147,560 ATelefonaktiebolget LM Ericsson · 2000
- Opto-electronic techniques for reducing phase noise in a carrier signal by carrier supression142US 6,580,532 B1California Institute of Technology · 2003
- Automatic tuning system for ultrasonic generators93US 4,808,948 AKulicke and Soffa Indusries, Inc. · 1989