H04N 7/00
Television systems
Official title: Television systems (details H04N3/00, H04N5/00; methods or arrangements, for coding, decoding, compressing or decompressing digital video signals H04N19/00; selective content distribution H04N21/00)
H04N7/00 (Television systems) appears on 57,984 US grants and 64,555 published applications in this corpus.
Search patents in H04N- Granted patents
- 57,984
- Published applications
- 64,555
- Assignees
- 11,506
- Inventors
- 86,940
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 81 | 0 |
| 1977 | 72 | 0 |
| 1978 | 69 | 0 |
| 1979 | 42 | 0 |
| 1980 | 60 | 0 |
| 1981 | 70 | 0 |
| 1982 | 82 | 0 |
| 1983 | 73 | 0 |
| 1984 | 84 | 0 |
| 1985 | 132 | 0 |
| 1986 | 164 | 0 |
| 1987 | 219 | 0 |
| 1988 | 160 | 0 |
| 1989 | 211 | 0 |
| 1990 | 268 | 0 |
| 1991 | 325 | 0 |
| 1992 | 304 | 0 |
| 1993 | 377 | 0 |
| 1994 | 429 | 0 |
| 1995 | 470 | 0 |
| 1996 | 715 | 0 |
| 1997 | 729 | 0 |
| 1998 | 1003 | 0 |
| 1999 | 917 | 0 |
| 2000 | 774 | 0 |
| 2001 | 781 | 499 |
| 2002 | 797 | 2006 |
| 2003 | 766 | 2060 |
| 2004 | 820 | 2255 |
| 2005 | 695 | 2423 |
| 2006 | 1167 | 2549 |
| 2007 | 1078 | 2770 |
| 2008 | 1127 | 2947 |
| 2009 | 1312 | 2983 |
| 2010 | 1723 | 2762 |
| 2011 | 1767 | 2291 |
| 2012 | 2290 | 2151 |
| 2013 | 2419 | 2462 |
| 2014 | 2909 | 2915 |
| 2015 | 2815 | 2972 |
| 2016 | 2833 | 3032 |
| 2017 | 2790 | 3144 |
| 2018 | 2677 | 3084 |
| 2019 | 3168 | 2914 |
| 2020 | 3037 | 2824 |
| 2021 | 2696 | 2808 |
| 2022 | 2483 | 2770 |
| 2023 | 2322 | 2683 |
| 2024 | 2294 | 2307 |
| 2025 | 2186 | 1834 |
| 2026 | 1202 | 1110 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 7/18Closed-circuit television [cctv] systems, i.e. systems in which the video signal is20,350
- H04N 7/16Analogue secrecy systems15,040
- H04N 7/14Systems for two-way working12,482
- H04N 7/01Conversion of standards5,574
- H04N 7/08Systems for the simultaneous or sequential transmission of more than one television2,780
- H04N 7/10Adaptations for transmission by electrical cable2,339
- H04N 7/24Systems for the transmission of television signals using pulse code modulation1,376
- H04N 7/025Systems for the transmission of digital non-picture data738
All 16 subgroupsShow fewer
- H04N 7/20Adaptations for transmission via a ghz frequency band700
- H04N 7/015High-definition television systems637
- H04N 7/22Adaptations for optical transmission612
- H04N 7/12Systems in which the television signal is transmitted via one channel or438
- H04N 7/002Special television systems not provided for by h04n7/007 - h04n7/18256
- H04N 7/04Systems for the transmission of one television signal, i.e. both picture and246
- H04N 7/06Systems for the simultaneous transmission of one television signal, i.e. both picture156
- H04N 7/007Systems with supplementary picture signal insertion during a portion of the active140
Recent patents
- Identifying antenna communication issues using unmanned aerial vehicles6 Oct 2026US 12,755,530 B2DISH Network L.L.C.
- Drone based automated yard check6 Oct 2026US 12,755,539 B2BNSF Railway Company
- Intrusion detection system, intrusion detection method, and computer-readable medium6 Oct 2026US 12,755,621 B2NEC Corporation
- Video surveillance playback system with multi-tiered storage6 Oct 2026US 12,755,902 B2Cozaint Corporation
- Systems and methods for creation and application of interaction analytics6 Oct 2026US 12,756,589 B2Read AI, Inc.
- Optical fiber waveguide in an endoscopic system for hyperspectral, fluorescence, and laser mapping imaging8 Oct 2026US 2026/0306023 A1Cilag GmbH International
- Apparatuses, systems, and methods for monitoring moving vehicles8 Oct 2026US 2026/0307693 A1Georgia Tech Research Corporation
- Information system and operation device8 Oct 2026US 2026/0308887 A1Kobelco Construction Machinery Co., Ltd.
- Gate Adapter System8 Oct 2026US 2026/0308978 A1
- Ethernet-attached ssd for automotive applications8 Oct 2026US 2026/0310613 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Intelligent electronic appliance system and method2,708US 6,850,252 B12005
- 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
- System for allowing user of any computer to draw image over that generated by the host computer and replicating the drawn image to other computers2,300US 5,649,104 ANCR Corporation · 1997
- Synchronous network for digital media streams2,236US 6,611,537 B1Centillium Communications, Inc. · 2003