H04L 7/0075
Arrangements for synchronising receiver with transmitter: with photonic or optical means
Official title: {with photonic or optical means}
H04L7/0075 (Arrangements for synchronising receiver with transmitter: with photonic or optical means) appears on 639 US grants and 560 published applications in this corpus.
Search patents in H04L- Granted patents
- 639
- Published applications
- 560
- Assignees
- 288
- Inventors
- 1,309
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 19 | 0 |
| 1999 | 14 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 12 |
| 2002 | 13 | 18 |
| 2003 | 13 | 16 |
| 2004 | 13 | 8 |
| 2005 | 6 | 11 |
| 2006 | 15 | 14 |
| 2007 | 14 | 16 |
| 2008 | 3 | 7 |
| 2009 | 12 | 13 |
| 2010 | 11 | 2 |
| 2011 | 12 | 6 |
| 2012 | 2 | 7 |
| 2013 | 6 | 12 |
| 2014 | 12 | 22 |
| 2015 | 25 | 43 |
| 2016 | 44 | 37 |
| 2017 | 48 | 61 |
| 2018 | 70 | 40 |
| 2019 | 49 | 35 |
| 2020 | 32 | 40 |
| 2021 | 36 | 32 |
| 2022 | 27 | 43 |
| 2023 | 28 | 16 |
| 2024 | 25 | 18 |
| 2025 | 18 | 17 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Precision photon synchronization29 Sep 2026US 12,750,142 B1Massachusetts Institute of Technology
- Communication device, communication system, and optical module22 Sep 2026US 12,744,655 B2Huawei Technologies Co., Ltd.
- Clock frequency determining method and apparatus8 Sep 2026US 12,732,339 B2Huawei Technologies Co., Ltd.
- Data transmission method, related apparatus, and system18 Aug 2026US 12,712,634 B2Huawei Technologies Co., Ltd.
- Precisely capturing time of an event in processing circuitry of an optical module11 Aug 2026US 12,706,684 B2Ciena Corporation
- Microwave photon broadband phase-stabilized transmission center station based on amplitude-phase multiplexing and transmission system having the same8 Oct 2026US 2026/0312686 A1China Electronics Technology Group Corporation No 44 Research Institute
- Secure optical frequency comb (ofc), two-way optical time transfer (twott) system and associated method1 Oct 2026US 2026/0303225 A1Arizona Board of Regents on Behalf of the University of Arizona
- Encoding method, decoding method, communication node and storage medium17 Sep 2026US 2026/0280757 A1Zte Corporation
- Transmission method and apparatus, and optical communication device and storage medium6 Aug 2026US 2026/0230277 A1
- Method for synchronizing light beams in the detection of very weak optical signals carrying classical or quantum information23 Jul 2026US 2026/0213914 A1Quantum Optical Technologies Sp. Z O.O.
Most cited
By later US patents
- Method and apparatus for bit synchronization in optical communication and networking systems205US 6,239,892 B1Sun Microsystems, Inc. · 2001
- Optimized optical transmission system for high capacity transmission129US 5,717,510 AFujitsu Limited · 1998
- Signal acquisition in a coherent optical receiver71US 7,636,525 B1Nortel Networks Limited · 2009
- Transparent clock for precision timing distribution70US 8,718,482 B1Calix, Inc. · 2014
- Carrier recovery in a coherent optical receiver68US 7,606,498 B1Nortel Networks Limited · 2009