H04N 7/54
The signals being synchronous
Official title: the signals being synchronous {(H04N21/23602, H04N21/23614, H04N21/2365, H04N21/2368, H04N21/4341, H04N21/4342, H04N21/4347, H04N21/4348 take precedence)}
H04N7/54 (The signals being synchronous) appears on 407 US grants and 190 published applications in this corpus.
Search patents in H04N- Granted patents
- 407
- Published applications
- 190
- Assignees
- 156
- Inventors
- 628
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 17 | 0 |
| 1994 | 20 | 0 |
| 1995 | 37 | 0 |
| 1996 | 40 | 0 |
| 1997 | 29 | 0 |
| 1998 | 33 | 0 |
| 1999 | 17 | 0 |
| 2000 | 18 | 0 |
| 2001 | 10 | 7 |
| 2002 | 7 | 15 |
| 2003 | 2 | 24 |
| 2004 | 2 | 5 |
| 2005 | 4 | 8 |
| 2006 | 10 | 16 |
| 2007 | 2 | 19 |
| 2008 | 16 | 10 |
| 2009 | 7 | 6 |
| 2010 | 12 | 7 |
| 2011 | 3 | 2 |
| 2012 | 14 | 11 |
| 2013 | 3 | 6 |
| 2014 | 5 | 0 |
| 2015 | 7 | 4 |
| 2016 | 2 | 4 |
| 2017 | 5 | 3 |
| 2018 | 3 | 6 |
| 2019 | 4 | 6 |
| 2020 | 8 | 7 |
| 2021 | 4 | 8 |
| 2022 | 7 | 7 |
| 2023 | 6 | 4 |
| 2024 | 6 | 4 |
| 2025 | 1 | 0 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Realtime wireless synchronization of live event audio stream with a video recording16 Jun 2026US 12,660,290 B2Bygge Technologies Inc.
- Systems and methods for camera synchronization5 May 2026US 12,621,407 B2Zhejiang Huaray Technology Co., Ltd.
- Mitigating effects caused by repeated and/or sporadic movement of objects in a field of view14 Apr 2026US 12,602,812 B2Evolon Technology, Inc.
- Data transmission device and data transmission method18 Mar 2025US 12,256,171 B2LAPIS Technology Co., Ltd.
- Method and apparatus for transmitting video signals, and display device20 Aug 2024US 12,069,414 B2Boe Technology Group Co., Ltd.
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Data transmission device and data transmission method29 Aug 2024US 2024/0291943 A1LAPIS Technology Co., Ltd.
- Adu association method and computer device11 Jul 2024US 2024/0236215 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Realtime wireless synchronization of live event audio stream with a video recording27 Jun 2024US 2024/0213345 A1Bygge Technologies Inc.
- Systems and methods for camera synchronization2 May 2024US 2024/0146870 A1Zhejiang Huaray Technology Co., Ltd.
Most cited
By later US patents
- Audio and video transmission and receiving system941US 5,132,992 A1992
- Audio and video transmission and receiving system533US 5,253,275 A1993
- Digital video recorder compatible receiver with trick play image enhancement527US 5,377,051 AHitachi America, Ltd. · 1994
- Audio and video transmission and receiving system450US 5,550,863 A1996
- Encoding/decoding moving images with forward and backward keyframes for forward and reverse display409US 5,267,334 AApple Computer, Inc. · 1993