H04L 7/04
Speed or phase control by synchronisation signals
Official title: Speed or phase control by synchronisation signals {(H04L7/0075 takes precedence)}
H04L7/04 (Speed or phase control by synchronisation signals) appears on 4,682 US grants and 3,279 published applications in this corpus.
Search patents in H04L- Granted patents
- 4,682
- Published applications
- 3,279
- Assignees
- 1,396
- Inventors
- 7,953
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 15 | 0 |
| 1978 | 12 | 0 |
| 1979 | 8 | 0 |
| 1980 | 19 | 0 |
| 1981 | 21 | 0 |
| 1982 | 19 | 0 |
| 1983 | 17 | 0 |
| 1984 | 16 | 0 |
| 1985 | 25 | 0 |
| 1986 | 31 | 0 |
| 1987 | 30 | 0 |
| 1988 | 37 | 0 |
| 1989 | 51 | 0 |
| 1990 | 29 | 0 |
| 1991 | 42 | 0 |
| 1992 | 46 | 0 |
| 1993 | 48 | 0 |
| 1994 | 66 | 0 |
| 1995 | 92 | 0 |
| 1996 | 87 | 0 |
| 1997 | 92 | 0 |
| 1998 | 158 | 0 |
| 1999 | 130 | 0 |
| 2000 | 122 | 0 |
| 2001 | 96 | 41 |
| 2002 | 82 | 125 |
| 2003 | 112 | 134 |
| 2004 | 139 | 120 |
| 2005 | 101 | 155 |
| 2006 | 140 | 133 |
| 2007 | 103 | 155 |
| 2008 | 129 | 136 |
| 2009 | 116 | 148 |
| 2010 | 123 | 150 |
| 2011 | 156 | 120 |
| 2012 | 159 | 134 |
| 2013 | 174 | 137 |
| 2014 | 212 | 171 |
| 2015 | 215 | 175 |
| 2016 | 163 | 186 |
| 2017 | 158 | 148 |
| 2018 | 168 | 166 |
| 2019 | 198 | 136 |
| 2020 | 180 | 135 |
| 2021 | 118 | 91 |
| 2022 | 84 | 91 |
| 2023 | 111 | 114 |
| 2024 | 89 | 81 |
| 2025 | 88 | 62 |
| 2026 | 40 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 7/041Using special codes as synchronising signal2,752
- H04L 7/10Arrangements for initial synchronisation849
- H04L 7/08The synchronisation signals recurring cyclically426
- H04L 7/048Using the properties of error detecting or error correcting codes416
- H04L 7/06The synchronisation signals differing from the information signals in amplitude, polarity or345
Recent patents
- Communication apparatus, control method for communication apparatus, and storage medium29 Sep 2026US 12,750,147 B2Canon Kabushiki Kaisha
- Edge-originated cellular network timing29 Sep 2026US 12,750,797 B2Dish Wireless L. L. C.
- Electronic digital system comprising a serializer deserializer module, serializer deserializer module and method of control15 Sep 2026US 12,739,093 B2STMicroelectronics International N. V.
- Multi-link synchronous transmission method and apparatus25 Aug 2026US 12,720,595 B2Huawei Technologies Co., Ltd.
- Clock synchronization using digitally controlled oscillator18 Aug 2026US 12,712,703 B2Mellanox Technologies, Ltd.
- Data packet transmission method and network device1 Oct 2026US 2026/0303540 A1New H3C Technologies Co., Ltd.
- Stateful traffic tracking synchronization in network devices24 Sep 2026US 2026/0291636 A1Hewlett Packard Enterprise Development LP
- Display driving chip10 Sep 2026US 2026/0268830 A1Lx Semicon Co., Ltd.
- Systems and methods path asymmetry correction for precise time transfer and ranging systems27 Aug 2026US 2026/0254608 A1The MITRE Corporation
- Peer capability detection for extended link training6 Aug 2026US 2026/0230354 A1NVIDIA Corporation
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
- Method and system for communicating information in a digital signal540US 8,599,957 B2EMS Technologies, Inc. · 2013
- Method and system for communicating information in a digital signal503US 8,750,445 B2EMS Technologies, Inc. · 2014
- Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA345US 5,745,837 ATerayon Corporation · 1998
- Paging system using message fragmentation to redistribute traffic339US 5,311,516 AMotorola, Inc. · 1994