H04N 21/637
Control signals issued by the client directed to the server or network
Official title: Control signals issued by the client directed to the server or network components
H04N21/637 (Control signals issued by the client directed to the server or network) appears on 2,322 US grants and 2,772 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,322
- Published applications
- 2,772
- Assignees
- 771
- Inventors
- 4,327
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 8 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 14 | 0 |
| 1999 | 22 | 0 |
| 2000 | 27 | 0 |
| 2001 | 27 | 22 |
| 2002 | 20 | 114 |
| 2003 | 35 | 76 |
| 2004 | 23 | 116 |
| 2005 | 40 | 82 |
| 2006 | 62 | 114 |
| 2007 | 55 | 103 |
| 2008 | 52 | 125 |
| 2009 | 68 | 117 |
| 2010 | 66 | 141 |
| 2011 | 87 | 155 |
| 2012 | 100 | 166 |
| 2013 | 130 | 159 |
| 2014 | 190 | 158 |
| 2015 | 168 | 163 |
| 2016 | 148 | 152 |
| 2017 | 144 | 143 |
| 2018 | 133 | 102 |
| 2019 | 127 | 111 |
| 2020 | 141 | 100 |
| 2021 | 93 | 79 |
| 2022 | 90 | 81 |
| 2023 | 78 | 68 |
| 2024 | 79 | 61 |
| 2025 | 41 | 40 |
| 2026 | 26 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Routing of full motion video (FMV) streams in one-way transfer systems using out-of-band routing tables25 Aug 2026US 12,719,942 B2Microsoft Technology Licensing, LLC
- Techniques for selectively delaying responses to premature requests for encoded media content25 Aug 2026US 12,720,134 B2Netflix, Inc.
- Systems and methods for adjusting buffer size18 Aug 2026US 12,713,093 B2Adeia Guides Inc.
- Virtual set top18 Aug 2026US 12,713,105 B2Synamedia Limited
- Systems and methods for addressing a corrupted segment in a media asset11 Aug 2026US 12,707,121 B2Adeia Guides Inc.
- Data forwarding in a content delivery network17 Sep 2026US 2026/0281468 A1Comcast Cable Communications, LLC
- Deriving Video Frame Status From Rate Control Feedback27 Aug 2026US 2026/0254973 A1Telefonaktiebolaget LM Ericsson (publ)
- Cloud Media Player20 Aug 2026US 2026/0246988 A1Synamedia Limited
- Conditional access system based audience measurement13 Aug 2026US 2026/0238851 A1Nagravision Sarl
- System and method for transcoding media stream6 Aug 2026US 2026/0230658 A1Resi Media LLC
Most cited
By later US patents
- Automatic linking to program-specific computer chat rooms644US 6,081,830 AGateway 2000, Inc. · 2000
- System for controlling the distribution and use of digital works using digital tickets544US 6,236,971 B1ContentGuard Holdings, Inc. · 2001
- Combined MPEG-4 FGS and modulation algorithm for wireless video transmission443US 6,909,753 B2Koninklijke Philips Electronics N. V. · 2005
- Methods and apparatus for implementing control functions in a streamed video display system427US 6,014,706 AMicrosoft Corporation · 2000
- Method for configuring a statistical multiplexer to dynamically allocate communication channel bandwidth403US 5,506,844 ACompression Labs, Inc. · 1996