H04N 9/69
For modifying the colour signals by gamma correction
Official title: for modifying the colour signals by gamma correction (controlling camera response for colour signals H04N23/83)
H04N9/69 (For modifying the colour signals by gamma correction) appears on 445 US grants and 401 published applications in this corpus.
Search patents in H04N- Granted patents
- 445
- Published applications
- 401
- Assignees
- 196
- Inventors
- 850
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 13 | 0 |
| 2001 | 15 | 3 |
| 2002 | 8 | 17 |
| 2003 | 7 | 16 |
| 2004 | 8 | 11 |
| 2005 | 12 | 24 |
| 2006 | 16 | 25 |
| 2007 | 9 | 24 |
| 2008 | 17 | 13 |
| 2009 | 11 | 19 |
| 2010 | 9 | 23 |
| 2011 | 13 | 16 |
| 2012 | 20 | 12 |
| 2013 | 26 | 15 |
| 2014 | 11 | 15 |
| 2015 | 18 | 14 |
| 2016 | 17 | 21 |
| 2017 | 9 | 13 |
| 2018 | 8 | 17 |
| 2019 | 18 | 12 |
| 2020 | 18 | 14 |
| 2021 | 11 | 7 |
| 2022 | 12 | 8 |
| 2023 | 7 | 13 |
| 2024 | 9 | 20 |
| 2025 | 25 | 16 |
| 2026 | 16 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scalable systems for controlling color management comprising varying levels of metadata29 Sep 2026US 12,750,508 B2
- Scalable systems for controlling color management comprising varying levels of metadata8 Sep 2026US 12,732,624 B2Dolby Laboratories Licensing Corporation
- Scalable systems for controlling color management comprising varying levels of metadata1 Sep 2026US 12,726,641 B2Dolby Laboratories Licensing Corporation
- Image displaying system and image displaying method14 Jul 2026US 12,684,250 B2Sony Interactive Entertainment Inc.
- Local tone mapping of processed image30 Jun 2026US 12,671,782 B2Apple Inc.
- Scalable systems for controlling color management comprising varying levels of metadata24 Sep 2026US 2026/0292223 A1Dolby Laboratories Licensing Corporation
- Scalable systems for controlling color management comprising varying levels of metadata24 Sep 2026US 2026/0292224 A1Dolby Laboratories Licensing Corporation
- Scalable systems for controlling color management comprising varying levels of metadata9 Jul 2026US 2026/0197472 A1Dolby Laboratories Licensing Corporation
- Transmission apparatus, method of transmitting image data in high dynamic range, reception apparatus, method of receiving image data in high dynamic range, and program2 Jul 2026US 2026/0189672 A1Saturn Licensing LLC
- Scalable systems for controlling color management comprising varying levels of metadata18 Jun 2026US 2026/0172580 A1Dolby Laboratories Licensing Corporation
Most cited
By later US patents
- Digital television system334US 5,526,051 ATexas Instruments Incorporated · 1996
- Selecting a transfer function for a display device173US 6,975,332 B2Adobe Systems Incorporated · 2005
- System for automatic color calibration156US 6,459,425 B12002
- Automatic gamma correction system for displays118US 6,593,934 B1Industrial Technology Research Institute · 2003
- Video data formatter for a multi-channel digital television system without overlap102US 5,488,431 ATexas Instruments Incorporated · 1996