H04N 1/00835
Detecting external or ambient light
Official title: {Detecting external or ambient light}
H04N1/00835 (Detecting external or ambient light) appears on 50 US grants and 58 published applications in this corpus.
Search patents in H04N- Granted patents
- 50
- Published applications
- 58
- Assignees
- 30
- Inventors
- 104
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 4 | 2 |
| 2013 | 0 | 4 |
| 2014 | 3 | 0 |
| 2015 | 2 | 5 |
| 2016 | 3 | 2 |
| 2017 | 3 | 2 |
| 2018 | 3 | 6 |
| 2019 | 5 | 9 |
| 2020 | 4 | 1 |
| 2021 | 3 | 5 |
| 2022 | 6 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Information processing apparatus, non-transitory computer readable medium, and information processing method19 May 2026US 12,633,005 B2FUJIFILM Business Innovation Corp.
- Method and device for detecting open and closed states of platen cover plate of image reading apparatus21 May 2024US 11,989,015 B2Zhuhai Pantum Electronics Co., Ltd.
- Power management apparatus, power management system, and power management method16 Jan 2024US 11,876,939 B1Toshiba Tec Kabushiki Kaisha
- Image forming apparatus capable of on-off control of operating key lamp according to anbient illuminance26 Dec 2023US 11,856,167 B2
- Image processing device, image display system, image processing method, and program21 Nov 2023US 11,825,245 B2Canon Kabushiki Kaisha
- Document Reading Device and Method19 Jun 2025US 2025/0203027 A1Custom S.P.A.
- Image reading device, image forming apparatus, and image reading method5 Dec 2024US 2024/0406327 A1
- Optical device and image reading device14 Mar 2024US 2024/0089389 A1FUJIFILM Business Innovation Corp.
- Information processing apparatus, non-transitory computer readable medium, and information processing method15 Feb 2024US 2024/0054697 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus capable of on-off control of operating key lamp according to anbient illuminance4 May 2023US 2023/0133931 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Apparatus to reduce wait time for scanner light-source warm-up20US 6,316,767 B1Hewlett-Packard Company · 2001
- Copying documents from electronic displays15US 8,286,083 B2Ricoh Company, Ltd. · 2012
- Digital image capture apparatus and method for obtaining a digital image of an object11US 7,619,664 B2Hewlett-Packard Development Company, L. P. · 2009
- Apparatus for and method of photographing using scanning techniques9US 6,426,776 B1Minolta Co., Ltd. · 2002
- Image reading apparatus9US 7,952,770 B2Brother Kogyo Kabushiki Kaisha · 2011