H03K 2217/94106
Passive activation of light sensor
Official title: Passive activation of light sensor, e.g. by ambient light
H03K2217/94106 (Passive activation of light sensor) appears on 41 US grants and 51 published applications in this corpus.
Search patents in H03K- Granted patents
- 41
- Published applications
- 51
- Assignees
- 39
- Inventors
- 82
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 3 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 4 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 6 |
| 2016 | 4 | 5 |
| 2017 | 3 | 2 |
| 2018 | 5 | 2 |
| 2019 | 3 | 4 |
| 2020 | 1 | 0 |
| 2021 | 4 | 4 |
| 2022 | 1 | 2 |
| 2023 | 4 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Mobile device and method for sensor data based antenna selection12 Dec 2023US 11,841,221 B2Futurewei Technologies, Inc.
- Wireless antenna sensing in a playback device5 Sep 2023US 11,747,863 B2Sonos, Inc.
- User presence responsiveness in a playback device26 Feb 2026US 2026/0056583 A1Sonos, Inc.
- Electronic device13 Feb 2025US 2025/0056104 A1Canon Kabushiki Kaisha
- Wireless antenna sensing in a playback device9 Nov 2023US 2023/0359249 A1Sonos, Inc.
- Electronic device23 Feb 2023US 2023/0059185 A1Canon Kabushiki Kaisha
- Optical latch circuit and electronic device3 Nov 2022US 2022/0352877 A1Ablic Inc.
Most cited
By later US patents
- Multi-purpose plasmonic ambient light sensor and visual range proximity sensor41US 8,330,945 B2NanoLambda, Inc. · 2012
- Ambient light proximity sensing configuration21US 9,223,353 B2Sonos, Inc. · 2015
- Digital pixel sensor with clock count output and operating method thereof18US 7,164,114 B2VIA Technologies, Inc. · 2007
- Dual mode switch for handicapped10US 5,382,791 A1995
- Semiconductor photosensor device and information apparatus with sensitivity region for wide dynamic range9US 7,214,922 B2Kabushiki Kaisha Toshiba · 2007