H04N 7/08
Systems for the simultaneous or sequential transmission of more than one television
Official title: Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band {, e.g. by time division (H04N7/007 takes precedence)}
H04N7/08 (Systems for the simultaneous or sequential transmission of more than one television) appears on 2,780 US grants and 1,841 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,780
- Published applications
- 1,841
- Assignees
- 802
- Inventors
- 3,886
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 12 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 16 | 0 |
| 1981 | 12 | 0 |
| 1982 | 9 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 13 | 0 |
| 1986 | 19 | 0 |
| 1987 | 43 | 0 |
| 1988 | 28 | 0 |
| 1989 | 41 | 0 |
| 1990 | 42 | 0 |
| 1991 | 61 | 0 |
| 1992 | 50 | 0 |
| 1993 | 61 | 0 |
| 1994 | 67 | 0 |
| 1995 | 72 | 0 |
| 1996 | 118 | 0 |
| 1997 | 82 | 0 |
| 1998 | 110 | 0 |
| 1999 | 100 | 0 |
| 2000 | 106 | 0 |
| 2001 | 95 | 42 |
| 2002 | 83 | 151 |
| 2003 | 63 | 144 |
| 2004 | 60 | 105 |
| 2005 | 41 | 133 |
| 2006 | 51 | 94 |
| 2007 | 62 | 75 |
| 2008 | 51 | 89 |
| 2009 | 59 | 69 |
| 2010 | 82 | 75 |
| 2011 | 84 | 70 |
| 2012 | 59 | 62 |
| 2013 | 83 | 78 |
| 2014 | 138 | 84 |
| 2015 | 97 | 94 |
| 2016 | 70 | 78 |
| 2017 | 82 | 57 |
| 2018 | 64 | 68 |
| 2019 | 72 | 63 |
| 2020 | 74 | 66 |
| 2021 | 50 | 32 |
| 2022 | 46 | 38 |
| 2023 | 36 | 22 |
| 2024 | 21 | 20 |
| 2025 | 29 | 25 |
| 2026 | 13 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 7/087With signal insertion during the vertical blanking interval only1,668
- H04N 7/0806The signals being two or more video signals249
- H04N 7/084With signal insertion during the horizontal blanking interval only199
- H04N 7/083With signal insertion during the vertical and the horizontal blanking interval157
- H04N 7/081The additional information signals being transmitted by means of a subcarrier106
- H04N 7/0803Using frequency interleaving58
Recent patents
- Systems and methods for saving and restoring scenes in a multimedia system8 Sep 2026US 12,732,655 B2Apple Inc.
- Signal transmission method and apparatus1 Sep 2026US 12,726,588 B2Huawei Technologies Co., Ltd.
- Method of providing external device list and image display device1 Sep 2026US 12,726,672 B2LG Electronics Inc.
- Systems and methods for automated extraction of closed captions in real time or near real-time and tagging of streaming data for advertisements25 Aug 2026US 12,720,139 B2Crossbar Media Group, Inc
- Virtual serialization/deserialization display sharing18 Aug 2026US 12,710,913 B2Intel Corporation
- Serialised video transmission27 Aug 2026US 2026/0254920 A1Leica Instruments (Singapore) Pte. Ltd.
- Video transmission system13 Aug 2026US 2026/0238742 A1Rohm Co., Ltd.
- Method and system for automating camera maintenance operations13 Aug 2026US 2026/0238753 A1
- Virtual serialization/deserialization display sharing25 Jun 2026US 2026/0178257 A1Intel Corporation
- Information transceiving method and information transceiving system26 Feb 2026US 2026/0058729 A1Realtek Semiconductor Corp.
Most cited
By later US patents
- Techniques for intelligent video ad insertion1,777US 6,698,020 B1WebTV Networks, Inc. · 2004
- TV schedule system and process1,601US 4,706,121 A1987
- Programmable remote control device for interacting with a plurality of remotely controlled devices1,549US 5,410,326 A1995
- Electronic television program guide schedule system and method with data feed access1,287US 5,589,892 A1996
- Systems and methods for linking television viewers with advertisers and broadcasters1,174US 6,002,394 AStarsight Telecast, Inc. · 1999