H03L 7/087
Using at least two phase detectors or a frequency and phase detector
Official title: using at least two phase detectors or a frequency and phase detector in the loop
H03L7/087 (Using at least two phase detectors or a frequency and phase detector) appears on 1,978 US grants and 1,459 published applications in this corpus.
Search patents in H03L- Granted patents
- 1,978
- Published applications
- 1,459
- Assignees
- 560
- Inventors
- 2,999
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 7 | 0 |
| 1989 | 16 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 16 | 0 |
| 1993 | 8 | 0 |
| 1994 | 16 | 0 |
| 1995 | 12 | 0 |
| 1996 | 16 | 0 |
| 1997 | 28 | 0 |
| 1998 | 21 | 0 |
| 1999 | 34 | 0 |
| 2000 | 50 | 0 |
| 2001 | 44 | 21 |
| 2002 | 62 | 95 |
| 2003 | 66 | 56 |
| 2004 | 67 | 65 |
| 2005 | 64 | 57 |
| 2006 | 70 | 72 |
| 2007 | 63 | 68 |
| 2008 | 56 | 60 |
| 2009 | 71 | 76 |
| 2010 | 85 | 83 |
| 2011 | 71 | 49 |
| 2012 | 66 | 54 |
| 2013 | 70 | 39 |
| 2014 | 69 | 49 |
| 2015 | 52 | 45 |
| 2016 | 73 | 49 |
| 2017 | 58 | 45 |
| 2018 | 55 | 62 |
| 2019 | 101 | 82 |
| 2020 | 105 | 78 |
| 2021 | 90 | 63 |
| 2022 | 61 | 54 |
| 2023 | 51 | 42 |
| 2024 | 48 | 35 |
| 2025 | 43 | 27 |
| 2026 | 21 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Digital clock data recovery circuit and method for locking frequency of recovery clock signal thereof22 Sep 2026US 12,744,535 B1Himax Technologies Limited
- All digital phase-locked loop circuit8 Sep 2026US 12,732,197 B2Sony Semiconductor Solutions Corporation
- Regulator circuit, an electronic device including the regulator circuit, and a processor including the regulator circuit25 Aug 2026US 12,717,391 B2Samsung Electronics Co., Ltd.
- Time-based converter apparatus and corresponding method25 Aug 2026US 12,719,351 B2STMicroelectronics International N. V.
- High gain detector techniques for low bandwidth low noise phase-locked loops18 Aug 2026US 12,712,551 B2Texas Instruments Incorporated
- A wide-band, multi-phase phase-locked loop circuit24 Sep 2026US 2026/0291506 A1University of Utah Research Foundation
- Phase locked loop circuit with time interleaved phase frequency detectors17 Sep 2026US 2026/0280569 A1Telefonaktiebolaget LM Ericsson (publ)
- PLL Lock Detector Circuit17 Sep 2026US 2026/0280570 A1Instituto de Pesquisas Eldorado
- Digital Phase-Locked Loop Circuitry10 Sep 2026US 2026/0269834 A1Apple Inc.
- Phase rotator non-linearity detection system, method and device20 Aug 2026US 2026/0246471 A1Marvell Asia Pte Ltd
Most cited
By later US patents
- Phase locked loop control via inner and outer feedback control circuits284US 6,384,690 B1Telefonaktiebolaget LM Ericsson (publ) · 2002
- System for distributing clocks using a delay lock loop in a programmable logic circuit180US 5,744,991 AAltera Corporation · 1998
- Clock recovery circuit157US 9,036,764 B1Rambus Inc. · 2015
- Phase locked loop employing a fractional frequency synthesizer as a variable oscillator155US 6,710,951 B1Western Digital Technologies, Inc. · 2004
- Adjusting power consumption of digital circuitry relative to critical path circuit having the largest propagation delay error148US 7,205,805 B1Western Digital Technologies, Inc. · 2007