H04N 21/236
Assembling of a multiplex stream
Official title: Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream {(multiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00)}
H04N21/236 (Assembling of a multiplex stream) appears on 7,592 US grants and 7,969 published applications in this corpus.
Search patents in H04N- Granted patents
- 7,592
- Published applications
- 7,969
- Assignees
- 1,538
- Inventors
- 9,493
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 19 | 0 |
| 1993 | 28 | 0 |
| 1994 | 35 | 0 |
| 1995 | 51 | 0 |
| 1996 | 92 | 0 |
| 1997 | 83 | 0 |
| 1998 | 110 | 0 |
| 1999 | 120 | 0 |
| 2000 | 111 | 0 |
| 2001 | 125 | 90 |
| 2002 | 107 | 234 |
| 2003 | 122 | 232 |
| 2004 | 136 | 272 |
| 2005 | 114 | 304 |
| 2006 | 225 | 312 |
| 2007 | 140 | 342 |
| 2008 | 135 | 351 |
| 2009 | 201 | 434 |
| 2010 | 296 | 361 |
| 2011 | 300 | 321 |
| 2012 | 338 | 317 |
| 2013 | 361 | 375 |
| 2014 | 475 | 456 |
| 2015 | 462 | 438 |
| 2016 | 392 | 422 |
| 2017 | 356 | 365 |
| 2018 | 370 | 399 |
| 2019 | 377 | 348 |
| 2020 | 432 | 352 |
| 2021 | 344 | 333 |
| 2022 | 323 | 267 |
| 2023 | 272 | 214 |
| 2024 | 235 | 214 |
| 2025 | 185 | 139 |
| 2026 | 85 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 21/23614Multiplexing of additional data and video streams2,109
- H04N 21/2365Multiplexing of several video streams1,815
- H04N 21/2362Generation or processing of service information [si]1,677
- H04N 21/2368Multiplexing of audio and video streams1,250
- H04N 21/23608Remultiplexing multiplex streams741
- H04N 21/23605Creation or processing of packetized elementary streams [pes]481
- H04N 21/23611Insertion of stuffing data into a multiplex stream327
- H04N 21/23602Multiplexing isochronously with the video sync196
Recent patents
- Apparatus and method for coding/decoding image selectively using discrete cosine/sine transform29 Sep 2026US 12,749,227 B2Dolby Laboratories Licensing Corporation
- Transmission apparatus, transmission method, reception apparatus, and reception method29 Sep 2026US 12,750,174 B2Sony Corporation
- Apparatus and method for coding/decoding image selectively using discrete cosine/sine transform22 Sep 2026US 12,743,816 B2Dolby Laboratories Licensing Corporation
- Multimedia on demand method, apparatus, system, computational storage drive and storage medium8 Sep 2026US 12,732,645 B2Samsung Electronics Co., Ltd.
- Techniques for transmitting media using a data transport format8 Sep 2026US 12,732,651 B2Netflix, Inc.
- Broadcast receiving apparatus and portable information terminal8 Oct 2026US 2026/0313200 A1Maxell, Ltd.
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Media content posting method and apparatus, and device and storage medium1 Oct 2026US 2026/0303885 A1Beijing Zitiao Network Technology Co., Ltd.
- Control Information for a Wirelessly-Transmitted Data Stream1 Oct 2026US 2026/0303891 A1HyperX Holdings LLC
- User-defined content streaming24 Sep 2026US 2026/0292280 A1Comcast Cable Communications, LLC
Most cited
By later US patents
- Synchronous network for digital media streams2,236US 6,611,537 B1Centillium Communications, Inc. · 2003
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Systems and methods for linking television viewers with advertisers and broadcasters1,174US 6,002,394 AStarsight Telecast, Inc. · 1999
- Network controller for cable television delivery systems1,167US 5,600,364 ADiscovery Communications, Inc. · 1997
- Systems and methods for secure transaction management and electronic rights protection1,156US 5,910,987 AIntertrust Technologies Corporation · 1999