H04J 3/0605
Special codes used as synchronising signal
Official title: {Special codes used as synchronising signal}
H04J3/0605 (Special codes used as synchronising signal) appears on 790 US grants and 424 published applications in this corpus.
Search patents in H04J- Granted patents
- 790
- Published applications
- 424
- Assignees
- 336
- Inventors
- 1,458
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 15 | 0 |
| 1989 | 15 | 0 |
| 1990 | 8 | 0 |
| 1991 | 13 | 0 |
| 1992 | 16 | 0 |
| 1993 | 17 | 0 |
| 1994 | 20 | 0 |
| 1995 | 9 | 0 |
| 1996 | 22 | 0 |
| 1997 | 29 | 0 |
| 1998 | 32 | 0 |
| 1999 | 31 | 0 |
| 2000 | 23 | 0 |
| 2001 | 21 | 11 |
| 2002 | 25 | 51 |
| 2003 | 25 | 39 |
| 2004 | 43 | 27 |
| 2005 | 29 | 27 |
| 2006 | 26 | 32 |
| 2007 | 29 | 18 |
| 2008 | 32 | 31 |
| 2009 | 23 | 23 |
| 2010 | 23 | 21 |
| 2011 | 25 | 7 |
| 2012 | 22 | 13 |
| 2013 | 30 | 21 |
| 2014 | 28 | 15 |
| 2015 | 15 | 16 |
| 2016 | 11 | 7 |
| 2017 | 12 | 7 |
| 2018 | 6 | 5 |
| 2019 | 9 | 9 |
| 2020 | 9 | 10 |
| 2021 | 3 | 6 |
| 2022 | 10 | 8 |
| 2023 | 10 | 8 |
| 2024 | 3 | 4 |
| 2025 | 7 | 7 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for sending and receiving multiframe, device, system, and storage medium24 Mar 2026US 12,587,298 B2Zte Corporation
- Downstream synchronization state machine for optical line terminal (OLT)-configurable bit interleaving in high-speed passive optical networks (PONs)13 Jan 2026US 12,526,556 B2Huawei Technologies Co., Ltd.
- Time synchronization method, device and apparatus, and storage medium23 Dec 2025US 12,506,554 B2Sanechips Technology Co., Ltd.
- Alarm processing method and apparatus29 Jul 2025US 12,375,173 B2Huawei Technologies Co., Ltd.
- Detection system for vehicle-mounted ethernet link synchronization signal29 Jul 2025US 12,375,197 B2Motorcomm (shanghai) Electronic Technology CO. LTD
- Method and apparatus for converting time service signal, and computer-readable medium11 Jun 2026US 2026/0163587 A1Zte Corporation
- Downstream Synchronization State Machine for Optical Line Terminal (OLT)-Configurable Bit Interleaving in High-Speed Passive Optical Networks (PONs)25 Dec 2025US 2025/0392848 A1Huawei Technologies Co., Ltd.
- Apparatus and method for synchronization of quantum key distribution systems18 Sep 2025US 2025/0294487 A1
- Cooperative time-division duplexing using pre-alert signaling28 Aug 2025US 2025/0274209 A1Marvell Asia Pte Ltd
- Fsync mismatch tracking28 Aug 2025US 2025/0274210 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant683US 5,991,308 ATerayon Communication Systems, Inc. · 1999
- Optical communications network466US 4,977,593 ABritish Telecommunications plc · 1990
- Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes277US 5,793,759 ATerayon Corporation · 1998
- Multiplexed digital correlator214US 4,660,164 AThe United States of America as represented by the Secretary of the Navy · 1987
- Method and apparatus for coherent communication reception in a spread-spectrum communication system191US 5,619,524 AMotorola, Inc. · 1997