H04N 21/647
Control signaling between network components and server or clients
Official title: Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless {(real-time session protocols H04L65/1101)}
H04N21/647 (Control signaling between network components and server or clients) appears on 2,320 US grants and 2,796 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,320
- Published applications
- 2,796
- Assignees
- 779
- Inventors
- 4,601
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 12 |
| 2002 | 6 | 63 |
| 2003 | 12 | 44 |
| 2004 | 17 | 53 |
| 2005 | 17 | 60 |
| 2006 | 32 | 83 |
| 2007 | 23 | 87 |
| 2008 | 29 | 84 |
| 2009 | 47 | 109 |
| 2010 | 67 | 110 |
| 2011 | 68 | 86 |
| 2012 | 71 | 114 |
| 2013 | 85 | 172 |
| 2014 | 156 | 182 |
| 2015 | 163 | 238 |
| 2016 | 177 | 186 |
| 2017 | 210 | 145 |
| 2018 | 149 | 134 |
| 2019 | 164 | 124 |
| 2020 | 154 | 135 |
| 2021 | 119 | 131 |
| 2022 | 138 | 136 |
| 2023 | 134 | 122 |
| 2024 | 110 | 86 |
| 2025 | 96 | 58 |
| 2026 | 41 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 21/64723Monitoring of network processes or resources939
- H04N 21/64784Data processing by the network630
- H04N 21/64746Control signals issued by the network directed to the server or the488
- H04N 21/64707For transferring content from a first network to a second network308
- H04N 21/64715Protecting content from unauthorized alteration within the network87
Recent patents
- Data processing device and data processing method29 Sep 2026US 12,750,561 B2Sony Group Corporation
- Frame dropping method, server and medium15 Sep 2026US 12,739,477 B2Beijing Bytedance Network Technology Co., Ltd.
- Interference mitigation for wireless data transmission8 Sep 2026US 12,732,658 B1Amazon Technologies, Inc.
- Method and protocol for transmission of video and audio data25 Aug 2026US 12,720,165 B1BoxCast, LLC
- Network manager, receiving device and method25 Aug 2026US 12,720,583 B2Rohde & Schwarz GmbH & Co.KG
- Video transmission system and method8 Oct 2026US 2026/0313183 A1Zixi, LLC
- Systems and methods for quality of experience driven in-transport communications10 Sep 2026US 2026/0270169 A1ViaSat, Inc.
- Streaming media data processing method and system27 Aug 2026US 2026/0254866 A1Zte Corporation
- System and method for optimized data delivery over hybrid networks based on data priority, caching, cost, and delivery schedule27 Aug 2026US 2026/0255007 A1
- Method and apparatus for 3d asset generation of avatar in real time communication over ims27 Aug 2026US 2026/0255027 A1Tencent America LLC
Most cited
By later US patents
- Scalable multimedia network602US 5,555,244 AIntegrated Network Corporation · 1996
- Method and system for tracking network use464US 6,983,478 B1BellSouth Intellectual Property Corporation · 2006
- Methods and apparatus for time stamp correction in an asynchronous transfer mode network401US 5,467,342 AScientific-Atlanta, Inc. · 1995
- ATM packet demultiplexer for use in full service network having distributed architecture371US 5,544,161 ABell Atlantic Network Services, Inc. · 1996
- Method of controlling a device to perform an activity-based or an experience-based operation351US 7,668,990 B2OpenPeak Inc. · 2010