H03L 7/143
By switching the reference signal of the phase-locked loop
Official title: {by switching the reference signal of the phase-locked loop}
H03L7/143 (By switching the reference signal of the phase-locked loop) appears on 134 US grants and 62 published applications in this corpus.
Search patents in H03L- Granted patents
- 134
- Published applications
- 62
- Assignees
- 98
- Inventors
- 314
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 5 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 5 | 2 |
| 2006 | 4 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 3 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 3 |
| 2012 | 3 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 4 |
| 2016 | 3 | 4 |
| 2017 | 5 | 2 |
| 2018 | 4 | 3 |
| 2019 | 5 | 5 |
| 2020 | 9 | 6 |
| 2021 | 6 | 3 |
| 2022 | 4 | 4 |
| 2023 | 2 | 1 |
| 2024 | 2 | 6 |
| 2025 | 6 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- PLL circuit and transmission system26 Aug 2025US 12,401,367 B2Nuvoton Technology Corporation Japan
- Electronic oscillator circuit and a method for controlling an oscillation frequency of a ring oscillator circuit12 Aug 2025US 12,388,450 B2Logistics and Supply Chain MultiTech R&D Centre Limited
- Clock switching method and apparatus, electronic device, and computer readable storage medium22 Jul 2025US 12,368,446 B2Sanechips Technology Co., Ltd.
- Digital clean up oscillator27 May 2025US 12,316,332 B2National Research Council of Canada
- Compact frequency-locked loop architecture for digital clocking25 Mar 2025US 12,261,612 B2QUALCOMM Incorporated
- All-digital phase locked loop phase tracking techniques29 Jan 2026US 2026/0031824 A1Marvell Asia Pte Ltd
- Electronic oscillator circuit and a method for controlling an oscillation frequency of a ring oscillator circuit27 Mar 2025US 2025/0105849 A1Logistics and Supply Chain MultiTech R&D Centre Limited
- Clock switching method and apparatus, electronic device, and computer readable storage medium12 Sep 2024US 2024/0305305 A1Sanechips Technology Co., Ltd.
- Compact frequency-locked loop architecture for digital clocking5 Sep 2024US 2024/0297654 A1QUALCOMM Incorporated
- Phase locked loop circuit29 Aug 2024US 2024/0291493 A1LAPIS Technology Co., Ltd.
Most cited
By later US patents
- Circuit and method of switching between redundant clocks for a phase lock loop121US 5,260,979 ACodex Corporation · 1993
- High speed phase lock loop having high precision charge pump with error cancellation81US 5,945,855 AAdaptec, Inc. · 1999
- Wireless communication technology, apparatuses, and methods58US 11,424,539 B2Intel Corporation · 2022
- Method and apparatus for a phase-locked loop circuit with holdover mode51US 5,572,167 ALucent Technologies Inc. · 1996
- Phase locked loop control apparatus49US 5,682,112 ANEC Corporation · 1997