H04N 23/82
For controlling camera response irrespective of the scene brightness
Official title: for controlling camera response irrespective of the scene brightness, e.g. gamma correction
H04N23/82 (For controlling camera response irrespective of the scene brightness) appears on 298 US grants and 310 published applications in this corpus.
Search patents in H04N- Granted patents
- 298
- Published applications
- 310
- Assignees
- 113
- Inventors
- 559
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 7 |
| 2003 | 7 | 7 |
| 2004 | 3 | 5 |
| 2005 | 1 | 15 |
| 2006 | 9 | 11 |
| 2007 | 1 | 12 |
| 2008 | 6 | 12 |
| 2009 | 9 | 10 |
| 2010 | 9 | 16 |
| 2011 | 11 | 4 |
| 2012 | 9 | 6 |
| 2013 | 9 | 4 |
| 2014 | 9 | 6 |
| 2015 | 7 | 11 |
| 2016 | 11 | 16 |
| 2017 | 16 | 19 |
| 2018 | 12 | 15 |
| 2019 | 27 | 21 |
| 2020 | 20 | 17 |
| 2021 | 14 | 14 |
| 2022 | 15 | 16 |
| 2023 | 10 | 27 |
| 2024 | 17 | 17 |
| 2025 | 22 | 11 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selective operating mode switching for visible and infrared imaging5 May 2026US 12,621,564 B2NVIDIA Corporation
- Image processing method and related apparatus for high dynamic range and color gamut conversion21 Apr 2026US 12,608,782 B2Huawei Technologies Co., Ltd.
- Synchronization circuitry for reducing latency associated with image passthrough21 Apr 2026US 12,610,151 B2Apple Inc.
- Image signal processor and method for processing image signal31 Mar 2026US 12,593,139 B2SK hynix Inc.
- Information processing device and control method thereof3 Mar 2026US 12,568,316 B2Canon Kabushiki Kaisha
- Imaging system and imaging method17 Sep 2026US 2026/0281522 A1Panasonic Intellectual Property Management Co., Ltd.
- Image processor formed in an array of memory cells2 Jul 2026US 2026/0189669 A1Lodestar Licensing Group LLC
- Synchronization Circuitry for Reducing Latency Associated with Image Passthrough2 Jul 2026US 2026/0189806 A1Apple Inc.
- Medical imaging systems and methods for segmentation-based automatic brightness control25 Jun 2026US 2026/0181243 A1Boston Scientific Scimed, Inc.
- Image pickup apparatus, imaging system, control method, and storage medium28 May 2026US 2026/0149876 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Gradation correction method and device231US 6,101,271 AMatsushita Electrial Industrial Co., Ltd · 2000
- Strategy for pictorial digital image processing208US 6,249,315 B12001
- Image capturing apparatus having a γ-characteristic corrector and/or image geometric distortion correction181US 6,806,903 B1Minolta Co., Ltd. · 2004
- Apparatus capable of image capturing78US 7,057,653 B1Minolta Co., Ltd. · 2006
- Pictorial digital image processing incorporating adjustments to compensate for dynamic range differences57US 6,628,823 B12003