H04N 21/2143
Located in a single building
Official title: {located in a single building, e.g. hotel, hospital or museum (arrangements specially adapted for plural spots in a confined site in broadcast systems H04H20/63; adaptations for transmission by electric cable for domestic distribution in television systems H04N7/106)}
H04N21/2143 (Located in a single building) appears on 703 US grants and 868 published applications in this corpus.
Search patents in H04N- Granted patents
- 703
- Published applications
- 868
- Assignees
- 259
- Inventors
- 910
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 5 |
| 2002 | 8 | 21 |
| 2003 | 6 | 15 |
| 2004 | 2 | 18 |
| 2005 | 2 | 23 |
| 2006 | 9 | 23 |
| 2007 | 4 | 31 |
| 2008 | 8 | 14 |
| 2009 | 6 | 42 |
| 2010 | 17 | 31 |
| 2011 | 21 | 29 |
| 2012 | 22 | 30 |
| 2013 | 33 | 50 |
| 2014 | 38 | 52 |
| 2015 | 51 | 45 |
| 2016 | 42 | 43 |
| 2017 | 45 | 40 |
| 2018 | 53 | 46 |
| 2019 | 42 | 51 |
| 2020 | 42 | 52 |
| 2021 | 41 | 45 |
| 2022 | 42 | 59 |
| 2023 | 47 | 25 |
| 2024 | 39 | 33 |
| 2025 | 26 | 25 |
| 2026 | 19 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Set-top box with enhanced behavioral controls and system and method for use of same22 Sep 2026US 12,744,961 B2Enseo, LLC
- Combination of network segmentation and user segmentation for multi-dwelling unit (MDU) and group recording25 Aug 2026US 12,720,124 B2DISH Network L.L.C.
- System for synchronization of captioning to smart devices28 Jul 2026US 12,695,956 B2
- Digital jukebox device with karaoke and/or photo booth features, and associated methods23 Jun 2026US 12,666,099 B2TouchTunes Music Corporation
- Secure content delivery to multiple client devices via a local server2 Jun 2026US 12,647,632 B2AT&T Intellectual Property I, L. P.
- Digital jukebox device with karaoke and/or photo booth features, and associated methods24 Sep 2026US 2026/0292283 A1TouchTunes Music Corporation
- Information display for patients17 Sep 2026US 2026/0277988 A1
- Method for supporting automatic adjustment of projection areas and system therefor10 Sep 2026US 2026/0270526 A1Cj 4Dplex Co., Ltd.
- Method for supporting playback control of multi-screen video and system therefor27 Aug 2026US 2026/0255002 A1Cj 4Dplex Co., Ltd.
- Systems and/or methods for distributing advertisements from a central advertisement network to a peripheral device via a local advertisement server20 Aug 2026US 2026/0245116 A1TouchTunes Music Corporation
Most cited
By later US patents
- Multi-room entertainment system with in-room media player/dispenser1,755US 6,256,554 B12001
- Client server based interactive television program guide system with remote server recording995US 7,761,892 B2United Video Properties, Inc. · 2010
- Cable connected wan interconnectivity services for corporate telecommuters702US 6,452,923 B1AT&T Corp. · 2002
- Multi server, interactive, video-on-demand television system utilizing a direct-access-on-demand workgroup539US 6,049,823 A2000
- Cable television transaction terminal498US 5,077,607 AScientific-Atlanta, Inc. · 1991