H04N 5/92
Transformation of the television signal for recording
Official title: Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
H04N5/92 (Transformation of the television signal for recording) appears on 2,636 US grants and 1,151 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,636
- Published applications
- 1,151
- Assignees
- 472
- Inventors
- 3,489
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 10 | 0 |
| 1980 | 12 | 0 |
| 1981 | 11 | 0 |
| 1982 | 17 | 0 |
| 1983 | 11 | 0 |
| 1984 | 24 | 0 |
| 1985 | 31 | 0 |
| 1986 | 28 | 0 |
| 1987 | 43 | 0 |
| 1988 | 41 | 0 |
| 1989 | 50 | 0 |
| 1990 | 52 | 0 |
| 1991 | 58 | 0 |
| 1992 | 71 | 0 |
| 1993 | 93 | 0 |
| 1994 | 112 | 0 |
| 1995 | 119 | 0 |
| 1996 | 178 | 0 |
| 1997 | 152 | 0 |
| 1998 | 166 | 0 |
| 1999 | 128 | 0 |
| 2000 | 91 | 0 |
| 2001 | 95 | 59 |
| 2002 | 64 | 95 |
| 2003 | 81 | 97 |
| 2004 | 57 | 88 |
| 2005 | 31 | 88 |
| 2006 | 62 | 79 |
| 2007 | 57 | 37 |
| 2008 | 44 | 53 |
| 2009 | 48 | 17 |
| 2010 | 47 | 22 |
| 2011 | 36 | 16 |
| 2012 | 33 | 24 |
| 2013 | 41 | 15 |
| 2014 | 29 | 20 |
| 2015 | 15 | 18 |
| 2016 | 22 | 21 |
| 2017 | 21 | 54 |
| 2018 | 26 | 44 |
| 2019 | 49 | 34 |
| 2020 | 45 | 46 |
| 2021 | 45 | 49 |
| 2022 | 49 | 37 |
| 2023 | 38 | 44 |
| 2024 | 32 | 41 |
| 2025 | 28 | 30 |
| 2026 | 15 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 5/926By pulse code modulation1,290
- H04N 5/9201Involving the multiplexing of an additional signal and the video signal1,211
- H04N 5/928The sound signal being pulse code modulated and recorded in time division98
- H04N 5/923Using preemphasis of the signal before modulation and deemphasis of the signal95
- H04N 5/921By recording or reproducing the baseband signal14
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- Imaging system and control method thereof10 Sep 2026US 2026/0270546 A1Arashi Vision Inc.
- Reproduction device, reproduction method, and recording medium27 Aug 2026US 2026/0254918 A1Saturn Licensing LLC
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Most cited
By later US patents
- Geographical position/image digital recording and display system657US 6,282,362 B1Trimble Navigation Limited · 2001
- Video monitoring and conferencing system518US 5,625,410 A1997
- Electronic imaging system using a removable software-enhanced storage device478US 5,477,264 AEastman Kodak Company · 1995
- Audio/video file server including decompression/playback means473US 5,262,875 AInstant Video Technologies, Inc. · 1993
- Apparatus and method for tracking the playing of VCR programs447US 5,488,409 A1996