H04N 23/745
Detection of flicker frequency or suppression of flicker wherein the flicker is
Official title: Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
H04N23/745 (Detection of flicker frequency or suppression of flicker wherein the flicker is) appears on 686 US grants and 786 published applications in this corpus.
Search patents in H04N- Granted patents
- 686
- Published applications
- 786
- Assignees
- 273
- Inventors
- 1,391
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 7 |
| 2003 | 8 | 8 |
| 2004 | 2 | 10 |
| 2005 | 2 | 23 |
| 2006 | 8 | 17 |
| 2007 | 9 | 20 |
| 2008 | 9 | 19 |
| 2009 | 17 | 23 |
| 2010 | 21 | 18 |
| 2011 | 14 | 27 |
| 2012 | 25 | 30 |
| 2013 | 25 | 16 |
| 2014 | 29 | 26 |
| 2015 | 27 | 27 |
| 2016 | 23 | 30 |
| 2017 | 44 | 59 |
| 2018 | 33 | 39 |
| 2019 | 38 | 37 |
| 2020 | 45 | 67 |
| 2021 | 61 | 42 |
| 2022 | 50 | 54 |
| 2023 | 45 | 50 |
| 2024 | 44 | 52 |
| 2025 | 37 | 45 |
| 2026 | 42 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Auto flicker detector22 Sep 2026US 12,745,011 B2Himax Imaging Limited
- Image capturing apparatus, control method thereof, and storage medium15 Sep 2026US 12,739,514 B2Canon Kabushiki Kaisha
- Image processing device, image processing method, and computer program15 Sep 2026US 12,739,520 B1EIZO Corporation
- Flicker mitigation using an event-based camera8 Sep 2026US 12,732,708 B2Inivation AG
- Image sensor for sensing LED light with reduced flickering1 Sep 2026US 12,726,716 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Image capturing apparatus capable of capturing image with reduced flicker, control method therefor, and storage medium8 Oct 2026US 2026/0313241 A1Canon Kabushiki Kaisha
- Image sensor, data processing device, and image sensor system8 Oct 2026US 2026/0313242 A1Sony Semiconductor Solutions Corporation
- Observation system and light emitting method10 Sep 2026US 2026/0270566 A1Sony Olympus Medical Solutions Inc.
- Systems for video production lighting and related methods27 Aug 2026US 2026/0251955 A1Netflix, Inc.
- Automatic video recording alignment27 Aug 2026US 2026/0255069 A1Toshiba Global Commerce Solutions, Inc.
Most cited
By later US patents
- Solid-state image sensor400US 7,683,954 B2Brainvision Inc. · 2010
- Light positioning system using digital pulse recognition192US 8,248,467 B1Bytelight, Inc. · 2012
- Photographing method of dual-lens device, and dual-lens device191US 9,736,391 B2Huawei Device Co., Ltd. · 2017
- Solid state image pickup device driving method utilizing an electronic shutter operation148US 5,025,319 AFuji Photo Film Co., Ltd. · 1991
- Automatic event videoing, tracking and content generation140US 9,094,615 B2InthePlay, Inc. · 2015