H04N 9/73
Colour balance circuits
Official title: Colour balance circuits, e.g. white balance circuits or colour temperature control (camera processing pipelines for colour balance H04N23/88)
H04N9/73 (Colour balance circuits) appears on 580 US grants and 633 published applications in this corpus.
Search patents in H04N- Granted patents
- 580
- Published applications
- 633
- Assignees
- 280
- Inventors
- 1,337
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 27 |
| 2003 | 12 | 27 |
| 2004 | 12 | 20 |
| 2005 | 11 | 34 |
| 2006 | 23 | 23 |
| 2007 | 16 | 25 |
| 2008 | 14 | 27 |
| 2009 | 14 | 39 |
| 2010 | 14 | 39 |
| 2011 | 19 | 20 |
| 2012 | 27 | 17 |
| 2013 | 28 | 13 |
| 2014 | 20 | 19 |
| 2015 | 16 | 29 |
| 2016 | 17 | 19 |
| 2017 | 13 | 17 |
| 2018 | 25 | 22 |
| 2019 | 21 | 27 |
| 2020 | 28 | 19 |
| 2021 | 25 | 20 |
| 2022 | 15 | 21 |
| 2023 | 13 | 37 |
| 2024 | 27 | 35 |
| 2025 | 33 | 36 |
| 2026 | 22 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and image device to obtain image of water shooting scene using color temperature data, and performing white balance process6 Oct 2026US 12,756,808 B2Sz Dji Technology Co., Ltd.
- Image processing method, electronic device, and non-transitory readable storage medium29 Sep 2026US 12,748,521 B2Vivo Mobile Communication Co., Ltd.
- Camera apparatus and method of enhanced foliage detection29 Sep 2026US 12,749,307 B2Tartan Aerial Sense Tech Private Limited
- Camera apparatus and method for reducing latency in plant detection from time of image capture29 Sep 2026US 12,749,308 B2Tartan Aerial Sense Tech Private Limited
- Image processing method and apparatus15 Sep 2026US 12,739,352 B2Yinwang Intelligent Technologies Co., Ltd.
- Device for displaying artificial sun-based content17 Sep 2026US 2026/0281287 A1LG Electronics Inc.
- Device, data structure, and method for predicting an illumination map6 Aug 2026US 2026/0229004 A1
- Image processing method, image processing apparatus, and storage medium9 Jul 2026US 2026/0195871 A1Canon Kabushiki Kaisha
- Derivation of an electromagnetic spectrum from a multi-stimulus color value for simulating a camera25 Jun 2026US 2026/0178794 A1dSPACE GmbH
- Video signal adjustment method, video system and program25 Jun 2026US 2026/0181101 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Method and apparatus for display calibration and control130US 5,739,809 ARadius Inc. · 1998
- System and method for providing a wide aspect ratio flat panel display monitor independent white-balance adjustment and gamma correction capabilities109US 6,611,249 B1Silicon Graphics, Inc. · 2003
- Selectable color adjustment for image display96US 7,283,181 B2Hewlett-Packard Development Company, L. P. · 2007
- Method and apparatus for display calibration and control92US 5,570,108 ARadius Inc. · 1996
- Method and apparatus for display calibration and control79US 5,499,040 ARadius Inc. · 1996