H04N 5/57
Control of contrast or brightness
H04N5/57 (Control of contrast or brightness) appears on 1,111 US grants and 1,094 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,111
- Published applications
- 1,094
- Assignees
- 391
- Inventors
- 2,320
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 19 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 21 | 0 |
| 1999 | 21 | 0 |
| 2000 | 7 | 0 |
| 2001 | 25 | 4 |
| 2002 | 21 | 30 |
| 2003 | 13 | 35 |
| 2004 | 23 | 29 |
| 2005 | 19 | 43 |
| 2006 | 29 | 42 |
| 2007 | 24 | 53 |
| 2008 | 25 | 48 |
| 2009 | 29 | 73 |
| 2010 | 21 | 69 |
| 2011 | 30 | 63 |
| 2012 | 59 | 43 |
| 2013 | 56 | 36 |
| 2014 | 49 | 37 |
| 2015 | 40 | 44 |
| 2016 | 32 | 54 |
| 2017 | 42 | 50 |
| 2018 | 39 | 53 |
| 2019 | 55 | 54 |
| 2020 | 63 | 77 |
| 2021 | 60 | 44 |
| 2022 | 43 | 36 |
| 2023 | 33 | 30 |
| 2024 | 28 | 23 |
| 2025 | 23 | 14 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Video processing method, video processing device, and recording medium1 Sep 2026US 12,726,585 B2Panasonic Intellectual Property Management Co., Ltd.
- Camera assembly and electronic device30 Jun 2026US 12,671,910 B2Huawei Technologies Co., Ltd.
- Providing safety and environmental features using human presence detection30 Jun 2026US 12,672,068 B2Roku, Inc.
- Video display device and projector2 Jun 2026US 12,647,543 B2Maxell, Ltd.
- Display apparatus correcting image in consideration of user's perceptual distortion5 May 2026US 12,620,335 B2Samsung Electronics Co., Ltd.
- Providing safety and environmental features using human presence detection3 Sep 2026US 2026/0261980 A1Roku, Inc.
- Methods, architectures, apparatuses and systems for energy-saving video processing13 Aug 2026US 2026/0238853 A1DRNC Holdings, Inc.
- Video processing method, display device, and storage medium16 Jul 2026US 2026/0203880 A1Honor Device Co., Ltd.
- Tv and control method therefor16 Jul 2026US 2026/0205656 A1LG Electronics Inc.
- Display device and operation method thereof4 Jun 2026US 2026/0154798 A1LG Electronics Inc.
Most cited
By later US patents
- Vehicle vision system307US 7,567,291 B2Gentex Corporation · 2009
- System to determine the color of ambient light for adjusting the illumination characteristics of a display257US 5,726,672 AApple Computer, Inc. · 1998
- System and method for adjusting the output of an output device to compensate for ambient illumination254US 5,670,985 AApple Computer, Inc. · 1997
- Ambient light contrast and color control circuit249US 4,090,216 AGTE Sylvania Incorporated · 1978
- Brightness control system for CRT video display242US 4,589,022 AGeneral Electric Company · 1986