H04N 5/91
Television signal processing therefor
H04N5/91 (Television signal processing therefor) appears on 7,577 US grants and 5,657 published applications in this corpus.
Search patents in H04N- Granted patents
- 7,577
- Published applications
- 5,657
- Assignees
- 1,419
- Inventors
- 10,330
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 29 | 0 |
| 1978 | 27 | 0 |
| 1979 | 30 | 0 |
| 1980 | 32 | 0 |
| 1981 | 28 | 0 |
| 1982 | 43 | 0 |
| 1983 | 38 | 0 |
| 1984 | 57 | 0 |
| 1985 | 63 | 0 |
| 1986 | 60 | 0 |
| 1987 | 90 | 0 |
| 1988 | 105 | 0 |
| 1989 | 128 | 0 |
| 1990 | 101 | 0 |
| 1991 | 111 | 0 |
| 1992 | 141 | 0 |
| 1993 | 171 | 0 |
| 1994 | 173 | 0 |
| 1995 | 172 | 0 |
| 1996 | 234 | 0 |
| 1997 | 208 | 0 |
| 1998 | 225 | 0 |
| 1999 | 199 | 0 |
| 2000 | 161 | 0 |
| 2001 | 167 | 116 |
| 2002 | 173 | 264 |
| 2003 | 161 | 260 |
| 2004 | 156 | 265 |
| 2005 | 116 | 317 |
| 2006 | 199 | 337 |
| 2007 | 173 | 290 |
| 2008 | 167 | 318 |
| 2009 | 164 | 235 |
| 2010 | 252 | 222 |
| 2011 | 221 | 183 |
| 2012 | 240 | 167 |
| 2013 | 255 | 244 |
| 2014 | 273 | 258 |
| 2015 | 241 | 266 |
| 2016 | 236 | 258 |
| 2017 | 260 | 279 |
| 2018 | 201 | 229 |
| 2019 | 246 | 205 |
| 2020 | 218 | 195 |
| 2021 | 196 | 176 |
| 2022 | 170 | 150 |
| 2023 | 149 | 157 |
| 2024 | 117 | 104 |
| 2025 | 113 | 108 |
| 2026 | 55 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 5/92Transformation of the television signal for recording2,636
- H04N 5/913For scrambling1,968
- H04N 5/93Regeneration of the television signal or of selected parts thereof1,592
- H04N 5/915For field- or frame-skip recording or reproducing202
- H04N 5/917For bandwidth reduction162
- H04N 5/911For the suppression of noise144
Recent patents
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- Systems and methods for capturing image data for mapping22 Sep 2026US 12,744,867 B2Exaactly Limited
- Method and device for processing multimedia information15 Sep 2026US 12,738,298 B2Samsung Electronics Co., Ltd.
- Collaborative video recording15 Sep 2026US 12,739,341 B2Apple Inc.
- Optical test apparatus and optical test method8 Sep 2026US 12,730,253 B2Kabushiki Kaisha Toshiba
- Real time video editing8 Oct 2026US 2026/0313070 A1Snap Inc.
- Moving-image file generation device, imaging device, verification device, and control method of moving-image file generation device1 Oct 2026US 2026/0303356 A1Canon Kabushiki Kaisha
- Live style transfer on a mobile device24 Sep 2026US 2026/0292096 A1Fyusion, Inc.
- Image generation apparatus, image generation method, and non-transitory computer readable medium for image generation program24 Sep 2026US 2026/0292097 A1Honda Motor Co., Ltd.
- Conditional camera control via automated assistant commands24 Sep 2026US 2026/0292332 A1Google Inc.
Most cited
By later US patents
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Systems and methods for secure transaction management and electronic rights protection1,156US 5,910,987 AIntertrust Technologies Corporation · 1999
- Methods for surveying dissemination of proprietary empirical data1,132US 5,862,260 ADigimarc Corporation · 1999
- Computer system linked by using information in data objects1,131US 6,122,403 ADigimarc Corporation · 2000
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999