Systems for transmission of a pulse code modulated video signal with one
Official title: Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal (assembling of a multiplex stream by combining a video stream with other content or additional data, remultiplexing of multiplex streams, insertion of stuffing bits into the multiplex stream, assembling of a packetised elementary stream at server side H04N21/236; disassembling of a multiplex stream, remultiplexing of multiplex streams, extraction or processing of Service Information, disassembling of packetised elementary stream at client side H04N21/434)
H04N7/52 (Systems for transmission of a pulse code modulated video signal with one) appears on 974 US grants and 603 published applications in this corpus.
Search patents in H04N- Granted patents
- 974
- Published applications
- 603
- Assignees
- 284
- Inventors
- 1,330
- 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 | 9 | 0 |
| 1993 | 17 | 0 |
| 1994 | 23 | 0 |
| 1995 | 41 | 0 |
| 1996 | 62 | 0 |
| 1997 | 50 | 0 |
| 1998 | 67 | 0 |
| 1999 | 37 | 0 |
| 2000 | 48 | 0 |
| 2001 | 28 | 21 |
| 2002 | 30 | 56 |
| 2003 | 31 | 55 |
| 2004 | 26 | 46 |
| 2005 | 26 | 29 |
| 2006 | 41 | 44 |
| 2007 | 24 | 55 |
| 2008 | 42 | 48 |
| 2009 | 27 | 24 |
| 2010 | 34 | 40 |
| 2011 | 29 | 18 |
| 2012 | 38 | 26 |
| 2013 | 29 | 22 |
| 2014 | 35 | 9 |
| 2015 | 34 | 10 |
| 2016 | 14 | 14 |
| 2017 | 16 | 13 |
| 2018 | 12 | 13 |
| 2019 | 8 | 11 |
| 2020 | 16 | 10 |
| 2021 | 9 | 12 |
| 2022 | 11 | 14 |
| 2023 | 10 | 6 |
| 2024 | 8 | 5 |
| 2025 | 3 | 0 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
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.
- Real-time sound field synthesis by modifying produced audio streams13 Jan 2026US 12,526,600 B2Little Dog Live, LLC
- Carriage systems encoding or decoding JPEG 2000 video3 Jun 2025US 12,323,612 B2ARRIS Enterprises LLC
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Real-time sound field synthesis by modifying produced audio streams16 Apr 2026US 2026/0107106 A1Little Dog Live, LLC
- 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.
Most cited
- Audio and video transmission and receiving system941US 5,132,992 A1992
- Secure spread spectrum watermarking for multimedia data664US 5,930,369 ANEC Research Institute, Inc. · 1999
- Splicing compressed packetized digital video streams618US 5,917,830 AGeneral Instrument Corporation · 1999
- 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