H04N 7/173
With two-way working
Official title: with two-way working, e.g. subscriber sending a programme selection signal
H04N7/173 (With two-way working) appears on 9,321 US grants and 11,429 published applications in this corpus.
Search patents in H04N- Granted patents
- 9,321
- Published applications
- 11,429
- Assignees
- 2,206
- Inventors
- 15,138
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 14 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 12 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 20 | 0 |
| 1986 | 15 | 0 |
| 1987 | 15 | 0 |
| 1988 | 16 | 0 |
| 1989 | 18 | 0 |
| 1990 | 30 | 0 |
| 1991 | 24 | 0 |
| 1992 | 20 | 0 |
| 1993 | 31 | 0 |
| 1994 | 31 | 0 |
| 1995 | 62 | 0 |
| 1996 | 150 | 0 |
| 1997 | 210 | 0 |
| 1998 | 314 | 0 |
| 1999 | 270 | 0 |
| 2000 | 178 | 0 |
| 2001 | 206 | 161 |
| 2002 | 179 | 759 |
| 2003 | 165 | 699 |
| 2004 | 192 | 715 |
| 2005 | 140 | 721 |
| 2006 | 316 | 858 |
| 2007 | 265 | 1017 |
| 2008 | 283 | 1037 |
| 2009 | 394 | 1128 |
| 2010 | 564 | 946 |
| 2011 | 590 | 641 |
| 2012 | 648 | 388 |
| 2013 | 688 | 378 |
| 2014 | 783 | 387 |
| 2015 | 581 | 351 |
| 2016 | 418 | 300 |
| 2017 | 339 | 214 |
| 2018 | 257 | 154 |
| 2019 | 217 | 141 |
| 2020 | 185 | 150 |
| 2021 | 121 | 97 |
| 2022 | 99 | 70 |
| 2023 | 90 | 43 |
| 2024 | 57 | 39 |
| 2025 | 40 | 24 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 7/17309Transmission or handling of upstream communications7,841
- H04N 7/17345Control of the passage of the selected programme696
- H04N 2007/1739The upstream communication being transmitted via a separate linkIndexing code230
- H04N 2007/17372The upstream transmission being initiated or timed by a signal from upstreamIndexing code91
- H04N 2007/17381The upstream transmission being initiated by the user terminalIndexing code38
Recent patents
- Apparatus and method for coding/decoding image selectively using discrete cosine/sine transform29 Sep 2026US 12,749,227 B2Dolby Laboratories Licensing Corporation
- Apparatus and method for coding/decoding image selectively using discrete cosine/sine transform22 Sep 2026US 12,743,816 B2Dolby Laboratories Licensing Corporation
- Systems and methods for modifying commercials28 Jul 2026US 12,695,958 B2Adeia Media Holdings LLC
- Issue reporting by a receiving device14 Jul 2026US 12,684,198 B2DISH Network L.L.C.
- Network time-shift buffering, recording conversion, and content management7 Jul 2026US 12,677,035 B2Comcast Cable Communications, LLC
- Issue reporting by a receiving device1 Oct 2026US 2026/0303907 A1DISH Network L.L.C.
- Systems and Methods for Seeking Within Multimedia Content During Streaming Playback17 Sep 2026US 2026/0281173 A1Divx, LLC
- Video distribution server, video distribution method and recording medium17 Sep 2026US 2026/0281281 A1DWANGO 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
- Video transmission system13 Aug 2026US 2026/0238742 A1Rohm Co., Ltd.
Most cited
By later US patents
- Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling information2,572US 6,177,931 B1Index Systems, Inc. · 2001
- System for generation of user profiles for a system for customized electronic identification of desirable objects2,365US 5,754,939 A1998
- Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,970US 6,374,336 B1Avid Technology, Inc. · 2002
- System for customized electronic identification of desirable objects1,946US 6,029,195 A2000
- Multi-room entertainment system with in-room media player/dispenser1,755US 6,256,554 B12001