H03L 7/24
Automatic control of frequency or phase: using a reference signal directly applied
Official title: using a reference signal directly applied to the generator
H03L7/24 (Automatic control of frequency or phase: using a reference signal directly applied) appears on 441 US grants and 352 published applications in this corpus.
Search patents in H03L- Granted patents
- 441
- Published applications
- 352
- Assignees
- 227
- Inventors
- 758
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 0 |
| 2002 | 0 | 1 |
| 2003 | 4 | 1 |
| 2004 | 1 | 5 |
| 2005 | 6 | 7 |
| 2006 | 3 | 5 |
| 2007 | 9 | 11 |
| 2008 | 5 | 12 |
| 2009 | 9 | 8 |
| 2010 | 15 | 8 |
| 2011 | 9 | 6 |
| 2012 | 4 | 9 |
| 2013 | 6 | 16 |
| 2014 | 15 | 19 |
| 2015 | 30 | 31 |
| 2016 | 37 | 21 |
| 2017 | 30 | 27 |
| 2018 | 21 | 23 |
| 2019 | 38 | 20 |
| 2020 | 26 | 21 |
| 2021 | 23 | 28 |
| 2022 | 31 | 17 |
| 2023 | 10 | 18 |
| 2024 | 16 | 18 |
| 2025 | 18 | 15 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Programmable voltage to time converter25 Aug 2026US 12,719,492 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
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- Injection locking oscillator with phase rotation capability21 Jul 2026US 12,689,382 B2QUALCOMM Incorporated
- Frequency adjustment device and frequency adjustment method30 Jul 2026US 2026/0221980 A1Nuvoton Technology Corporation
- Adaptive bandwidth tracking in phase locked loop which tracks reference and vco frequency23 Jul 2026US 2026/0213758 A1NXP USA, Inc.
- Low-level current signal generator18 Jun 2026US 2026/0172040 A1
- Digital injection-locked oscillator2 Apr 2026US 2026/0093969 A1
- Oscillator synchronization1 Jan 2026US 2026/0005696 A1Texas Instruments Incorporated
Most cited
By later US patents
- Opto-electronic feedback for stabilizing oscillators94US 7,173,749 B2California Institute of Technology · 2007
- Phase controlled oscillator79US 6,617,936 B2Velio Communications, Inc. · 2003
- Clock recovery using an injection tuned resonant circuit62US 6,317,008 B1Agere Systems Guardian Corp. · 2001
- Multiphase output oscillator57US 5,592,126 AU. S. Philips Corporation · 1997
- Digital optical receiver with instantaneous Josephson clock recovery circuit52US 5,963,351 AConductus, Inc. · 1999