H04N 21/4307
Synchronising the rendering of multiple content streams or additional data on devices
Official title: {Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen}
H04N21/4307 (Synchronising the rendering of multiple content streams or additional data on devices) appears on 3,957 US grants and 4,638 published applications in this corpus.
Search patents in H04N- Granted patents
- 3,957
- Published applications
- 4,638
- Assignees
- 1,174
- Inventors
- 7,416
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 20 | 0 |
| 1997 | 39 | 0 |
| 1998 | 40 | 0 |
| 1999 | 28 | 0 |
| 2000 | 33 | 0 |
| 2001 | 46 | 19 |
| 2002 | 31 | 71 |
| 2003 | 34 | 61 |
| 2004 | 34 | 92 |
| 2005 | 34 | 103 |
| 2006 | 48 | 142 |
| 2007 | 42 | 128 |
| 2008 | 45 | 175 |
| 2009 | 64 | 153 |
| 2010 | 82 | 123 |
| 2011 | 110 | 139 |
| 2012 | 159 | 132 |
| 2013 | 165 | 223 |
| 2014 | 217 | 312 |
| 2015 | 210 | 276 |
| 2016 | 189 | 233 |
| 2017 | 260 | 225 |
| 2018 | 216 | 219 |
| 2019 | 228 | 226 |
| 2020 | 252 | 254 |
| 2021 | 262 | 272 |
| 2022 | 252 | 254 |
| 2023 | 236 | 245 |
| 2024 | 219 | 245 |
| 2025 | 221 | 175 |
| 2026 | 117 | 141 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 21/43072Of multiple content streams on the same device2,013
- H04N 21/43076Of the same content streams on multiple devices783
- H04N 21/43074Of additional data with content streams on the same device606
- H04N 21/43079Of additional data with content streams on multiple devices470
- H04N 21/43078For seamlessly watching content streams when changing device107
Recent patents
- Providing augmented reality in association with live events6 Oct 2026US 12,756,884 B2Snap Inc.
- Transmitting method, receiving method, transmitting apparatus, and receiving apparatus6 Oct 2026US 12,756,885 B2Panasonic Intellectual Property Corporation of America
- Playback of synthetic media content via multiple devices6 Oct 2026US 12,756,886 B2Sonos, Inc.
- Transmission apparatus, transmission method, reception apparatus, and reception method29 Sep 2026US 12,750,174 B2Sony Corporation
- Multi-screen video display method and system, and playing end and storage medium29 Sep 2026US 12,750,547 B2Boe Technology Group Co., Ltd.
- Video stream synchronization method and apparatus, platform, and storage medium8 Oct 2026US 2026/0313185 A1Zhejiang Uniview Technologies Co., Ltd.
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Immersive audio in a media playback system1 Oct 2026US 2026/0303676 A1Sonos, Inc.
- Display device and content sharing method for sharing content with external display device1 Oct 2026US 2026/0303896 A1LG Electronics Inc.
- System and method for synchronising lighting event among devices24 Sep 2026US 2026/0284521 A1Razer (Asia-Pacific) Pte. Ltd.
Most cited
By later US patents
- System and method for synchronizing operations among a plurality of independently clocked digital data processing devices1,949US 8,234,395 B2Sonos, Inc. · 2012
- Multimedia time warping system1,079US 6,233,389 B1TiVo Inc. · 2001
- Signal processing appparatus and methods797US 5,335,277 AThe Personalized Mass Media Corporation · 1994
- Audio program player including a dynamic program selection controller776US 6,199,076 B12001
- Signal processing apparatus and methods615US 4,965,825 AThe Personalized Mass Media Corporation · 1990