H04J 3/0632
Synchronisation of packets and cells
Official title: {Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES] (queuing arrangements in packet switching elements H04L49/90; synchronising systems for the synchronous transmission of a pulse code modulated video signal with one or more other pulse code modulated signals H04N7/56)}
H04J3/0632 (Synchronisation of packets and cells) appears on 756 US grants and 555 published applications in this corpus.
Search patents in H04J- Granted patents
- 756
- Published applications
- 555
- Assignees
- 369
- Inventors
- 1,579
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 16 | 0 |
| 1996 | 21 | 0 |
| 1997 | 18 | 0 |
| 1998 | 25 | 0 |
| 1999 | 16 | 0 |
| 2000 | 20 | 0 |
| 2001 | 18 | 10 |
| 2002 | 23 | 33 |
| 2003 | 26 | 28 |
| 2004 | 30 | 43 |
| 2005 | 35 | 30 |
| 2006 | 29 | 53 |
| 2007 | 30 | 38 |
| 2008 | 35 | 52 |
| 2009 | 33 | 24 |
| 2010 | 48 | 27 |
| 2011 | 28 | 26 |
| 2012 | 31 | 10 |
| 2013 | 32 | 15 |
| 2014 | 23 | 19 |
| 2015 | 20 | 13 |
| 2016 | 23 | 15 |
| 2017 | 12 | 14 |
| 2018 | 17 | 14 |
| 2019 | 20 | 20 |
| 2020 | 16 | 14 |
| 2021 | 11 | 11 |
| 2022 | 11 | 9 |
| 2023 | 11 | 11 |
| 2024 | 9 | 12 |
| 2025 | 9 | 11 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Communication device and interpacket gap adjustment method thereof19 May 2026US 12,634,108 B2Realtek Singapore Private Limited
- Frame synchronization detection with an adaptive threshold27 Jan 2026US 12,537,616 B2Cypress Semiconductor Corporation
- Communications between networked audio devices27 Jan 2026US 12,537,617 B2Shure Acquisition Holdings, Inc.
- Synchronizing update of time of day counters using time stamp exchange over a control plane6 Jan 2026US 12,519,555 B2Skyworks Solutions, Inc.
- Timestamp smoothing to remove jitter30 Dec 2025US 12,513,090 B2Dolby Laboratories Licensing Corporation
- Frequency adjustment method and apparatus, bluetooth earbuds, storage medium, and program product23 Jul 2026US 2026/0214426 A1Guangzhou Anyka Microelectronics Co., Ltd.
- Synchronizing update of time of day counters using time stamp exchange over a control plane11 Jun 2026US 2026/0163665 A1Skyworks Solutions, Inc.
- Communications Between Networked Audio Devices26 Mar 2026US 2026/0088923 A1Shure Acquisition Holdings, Inc.
- Method, Device, and System for Clock Recovery13 Nov 2025US 2025/0350390 A1Huawei Technologies Co., Ltd.
- Wireless Audio Synchronization2 Oct 2025US 2025/0310690 A1Bose Corporation
Most cited
By later US patents
- Multimedia wired/wireless content synchronization system and method1,810US 6,631,410 B1Sharp Laboratories of America, Inc. · 2003
- Apparatus and method for segmentation and time synchronization of the transmission of multimedia data435US 5,533,021 AInternational Business Machines Corporation · 1996
- Methods and apparatus for time stamp correction in an asynchronous transfer mode network401US 5,467,342 AScientific-Atlanta, Inc. · 1995
- System and method for clock skew compensation between encoder and decoder clocks by calculating drift metric, and using it to modify time-stamps of data packets325US 6,598,172 B1Intel Corporation · 2003
- Clock recovery using a double-exponential smoothing process283US 7,020,791 B1Nortel Networks Limited · 2006