H04N 21/218
Source of audio or video content
Official title: Source of audio or video content {, e.g. local disk arrays (details of retrieval in video databases G06F16/739)}
H04N21/218 (Source of audio or video content) appears on 5,887 US grants and 7,840 published applications in this corpus.
Search patents in H04N- Granted patents
- 5,887
- Published applications
- 7,840
- Assignees
- 1,909
- Inventors
- 11,802
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 17 | 0 |
| 2000 | 21 | 0 |
| 2001 | 22 | 19 |
| 2002 | 30 | 96 |
| 2003 | 13 | 111 |
| 2004 | 28 | 102 |
| 2005 | 17 | 78 |
| 2006 | 41 | 100 |
| 2007 | 38 | 102 |
| 2008 | 36 | 86 |
| 2009 | 35 | 137 |
| 2010 | 79 | 114 |
| 2011 | 91 | 128 |
| 2012 | 108 | 176 |
| 2013 | 139 | 222 |
| 2014 | 208 | 307 |
| 2015 | 235 | 283 |
| 2016 | 260 | 353 |
| 2017 | 290 | 434 |
| 2018 | 274 | 482 |
| 2019 | 401 | 562 |
| 2020 | 516 | 579 |
| 2021 | 587 | 600 |
| 2022 | 533 | 631 |
| 2023 | 475 | 598 |
| 2024 | 505 | 658 |
| 2025 | 526 | 530 |
| 2026 | 335 | 352 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Audio-visual navigation and communication dynamic memory architectures6 Oct 2026US 12,754,651 B2Aq Media, Inc.
- Picture content enhancement method and system, and electronic device6 Oct 2026US 12,755,460 B1Uc Global Trade Inc.
- Providing augmented reality in association with live events6 Oct 2026US 12,756,884 B2Snap Inc.
- Multi-streamer live streaming method and apparatus6 Oct 2026US 12,756,887 B2Shanghai Bilibili Technology Co., Ltd.
- Page display method and apparatus, and storage medium6 Oct 2026US 12,756,889 B2Beijing Youzhuju Network Technology Co., Ltd.
- Prompt content display method, electronic device and storage medium8 Oct 2026US 2026/0311239 A1Beijing Youzhuju Network Technology Co., Ltd.
- Virtual interaction method and apparatus, device and medium8 Oct 2026US 2026/0311440 A1Beijing Zitiao Network Technology Co., Ltd.
- Method, system, and apparatus for updating statistical databases based on sensed movement data8 Oct 2026US 2026/0311567 A1AdrenalineIP
- Techniques for detecting reference frame mismatches in encoded video streams8 Oct 2026US 2026/0313165 A1Netflix, Inc.
- Live-streaming processing method and apparatus, and device and storage medium8 Oct 2026US 2026/0313172 A1Beijing Youzhuju Network Technology Co., Ltd.
Most cited
By later US patents
- Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,970US 6,374,336 B1Avid Technology, Inc. · 2002
- Computer system and process for transferring streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,737US 6,449,688 B1Avid Technology, Inc. · 2002
- Computer system and process for transferring streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,529US 6,785,768 B2Avid Technology, Inc. · 2004
- Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,489US 6,415,373 B1Avid Technology, Inc. · 2002
- Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,446US 7,111,115 B2Avid Technology, Inc. · 2006