H04L 7/027
Extracting the synchronising or clock signal from the received signal spectrum
Official title: extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
H04L7/027 (Extracting the synchronising or clock signal from the received signal spectrum) appears on 654 US grants and 347 published applications in this corpus.
Search patents in H04L- Granted patents
- 654
- Published applications
- 347
- Assignees
- 310
- Inventors
- 1,156
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 10 | 0 |
| 1998 | 27 | 0 |
| 1999 | 22 | 0 |
| 2000 | 16 | 0 |
| 2001 | 35 | 2 |
| 2002 | 9 | 18 |
| 2003 | 16 | 17 |
| 2004 | 16 | 21 |
| 2005 | 11 | 6 |
| 2006 | 23 | 18 |
| 2007 | 15 | 18 |
| 2008 | 10 | 15 |
| 2009 | 13 | 15 |
| 2010 | 19 | 16 |
| 2011 | 15 | 9 |
| 2012 | 23 | 19 |
| 2013 | 14 | 12 |
| 2014 | 21 | 19 |
| 2015 | 23 | 28 |
| 2016 | 26 | 13 |
| 2017 | 22 | 16 |
| 2018 | 22 | 20 |
| 2019 | 22 | 15 |
| 2020 | 18 | 15 |
| 2021 | 13 | 8 |
| 2022 | 9 | 6 |
| 2023 | 5 | 9 |
| 2024 | 3 | 2 |
| 2025 | 7 | 6 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Spread spectrum control method and apparatus25 Aug 2026US 12,719,524 B2Huawei Technologies Co., Ltd.
- UWB receiver and method of operation21 Jul 2026US 12,689,903 B2NXP B. V.
- Sink device, source device, and control methods for same23 Jun 2026US 12,665,736 B2Samsung Electronics Co., Ltd.
- Synchronization detection apparatus, synchronization detection method, and non-transitory computer readable medium12 May 2026US 12,627,545 B2JVCKENWOOD Corporation
- Switching system, method and apparatus of clock circuit, and non-transitory readable storage medium17 Feb 2026US 12,556,361 B2Suzhou Metabrain Intelligent Technology Co., Ltd.
- Sink device, source device, and control methods for same24 Sep 2026US 2026/0291707 A1Samsung Electronics Co., Ltd.
- Phase locked loop circuit with time interleaved phase frequency detectors17 Sep 2026US 2026/0280569 A1Telefonaktiebolaget LM Ericsson (publ)
- Link synchronization for crystal-less communication devices3 Sep 2026US 2026/0261398 A1Axonne, Inc.
- Switching System, Method and Apparatus of Clock Circuit, and Non-transitory Readable Storage Medium1 Jan 2026US 2026/0005829 A1Suzhou Metabrain Intelligent Technology Co., Ltd.
- Communication device, communication method, communication program, and communication system26 Jun 2025US 2025/0211415 A1Kskb Co., Ltd.
Most cited
By later US patents
- Periodic interference avoidance in a wireless radio frequency communication system248US 5,574,979 ANorand Corporation · 1996
- Phase interpolator device and method223US 6,509,773 B2Broadcom Corporation · 2003
- Method and apparatus for frame synchronization in mobile OFDM data communication211US 5,444,697 AThe University of British Columbia · 1995
- Intelligent fiberoptic receivers and method of operating and manufacturing the same134US 5,953,690 APacific Fiberoptics, Inc. · 1999
- Voice and data exchange over a packet based network with timing recovery134US 6,549,587 B1Broadcom Corporation · 2003