H04N 21/633
Control signals issued by server directed to the network components or client
Official title: Control signals issued by server directed to the network components or client {(management of faults, events, alarms in data networks H04L41/06)}
H04N21/633 (Control signals issued by server directed to the network components or client) appears on 2,283 US grants and 2,754 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,283
- Published applications
- 2,754
- Assignees
- 695
- Inventors
- 3,901
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 15 | 0 |
| 2001 | 19 | 17 |
| 2002 | 20 | 98 |
| 2003 | 24 | 63 |
| 2004 | 28 | 124 |
| 2005 | 36 | 91 |
| 2006 | 46 | 151 |
| 2007 | 54 | 141 |
| 2008 | 60 | 111 |
| 2009 | 46 | 145 |
| 2010 | 81 | 137 |
| 2011 | 95 | 108 |
| 2012 | 105 | 152 |
| 2013 | 154 | 127 |
| 2014 | 187 | 151 |
| 2015 | 146 | 134 |
| 2016 | 137 | 159 |
| 2017 | 151 | 146 |
| 2018 | 134 | 124 |
| 2019 | 115 | 104 |
| 2020 | 115 | 82 |
| 2021 | 110 | 92 |
| 2022 | 91 | 82 |
| 2023 | 103 | 80 |
| 2024 | 79 | 64 |
| 2025 | 58 | 35 |
| 2026 | 23 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Method of joint viewing remote multimedia content8 Oct 2026US 2026/0313207 A1G-Core Innovations S.à.r.l
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Validating parameters on discrete computing applications to grant access control to content or commands24 Sep 2026US 2026/0292311 A1Touchstream Technologies, Inc.
- Virtual reality video synchronization reproduction device27 Aug 2026US 2026/0255008 A1Nts Co., Ltd.
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Most cited
By later US patents
- Signal processing appparatus and methods797US 5,335,277 AThe Personalized Mass Media Corporation · 1994
- System and method for secure purchase and delivery of video content programs716US 6,055,314 AMicrosoft Corporation · 2000
- System and method for providing television services654US 5,818,438 ABellSouth Corporation · 1998
- Signal processing apparatus and methods615US 4,965,825 AThe Personalized Mass Media Corporation · 1990
- Audiovisual reproduction system604US 8,074,253 B1TouchTunes Music Corporation · 2011