H04N 7/148
Interfacing a video terminal to a particular transmission medium
Official title: {Interfacing a video terminal to a particular transmission medium, e.g. ISDN}
H04N7/148 (Interfacing a video terminal to a particular transmission medium) appears on 853 US grants and 748 published applications in this corpus.
Search patents in H04N- Granted patents
- 853
- Published applications
- 748
- Assignees
- 335
- Inventors
- 1,510
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 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 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 30 | 0 |
| 1997 | 31 | 0 |
| 1998 | 46 | 0 |
| 1999 | 28 | 0 |
| 2000 | 21 | 0 |
| 2001 | 32 | 12 |
| 2002 | 19 | 41 |
| 2003 | 28 | 38 |
| 2004 | 22 | 46 |
| 2005 | 23 | 38 |
| 2006 | 20 | 84 |
| 2007 | 12 | 50 |
| 2008 | 22 | 34 |
| 2009 | 25 | 29 |
| 2010 | 27 | 21 |
| 2011 | 23 | 29 |
| 2012 | 43 | 41 |
| 2013 | 34 | 34 |
| 2014 | 39 | 39 |
| 2015 | 51 | 39 |
| 2016 | 46 | 46 |
| 2017 | 48 | 28 |
| 2018 | 23 | 20 |
| 2019 | 27 | 20 |
| 2020 | 24 | 19 |
| 2021 | 13 | 9 |
| 2022 | 18 | 10 |
| 2023 | 10 | 10 |
| 2024 | 7 | 4 |
| 2025 | 7 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Use of non-3GPP advanced video codecs with native dialers1 Sep 2026US 12,726,589 B2T-Mobile USA, Inc.
- Graphical user interface for displaying key participants in a conference7 Jul 2026US 12,676,941 B1Zoom Communications, Inc.
- Video intercom communication for VOIP device12 May 2026US 12,627,769 B1Zoom Communications, Inc.
- Video connection continuity between devices17 Feb 2026US 12,556,653 B2T-Mobile USA, Inc.
- Television receiver with a TV phone function28 Oct 2025US 12,457,306 B2Maxell, Ltd.
- User Interface for Displaying Key Participants in a Conference8 Oct 2026US 2026/0313069 A1Zoom Communications, Inc.
- Television receiver with a tv phone function22 Jan 2026US 2026/0025482 A1Maxell, Ltd.
- Video integration13 Nov 2025US 2025/0350702 A1LiTL LLC
- Seamless transition between network conferences10 Jul 2025US 2025/0227136 A1Zoom Communications, Inc.
- Methods and systems for pre-recorded participation in a conference10 Apr 2025US 2025/0119508 A1RingCentral, Inc.
Most cited
By later US patents
- Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network741US 5,617,539 AVicor Corporation · 1997
- Call control in video conferencing allowing acceptance and identification of participants in a new incoming call during an active teleconference595US 5,758,079 AVicor Corporation · 1998
- Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal566US 5,689,641 AVicor Corporation · 1997
- Coaxial cable/twisted pair fed, integrated residence gateway controlled, set-top box537US 6,510,152 B1AT&T Corp. · 2003
- Multimedia collaboration system504US 6,237,025 B1Collaboration Properties, Inc. · 2001