H03K 17/9631
Using a light source as part of the switch
Official title: {using a light source as part of the switch}
H03K17/9631 (Using a light source as part of the switch) appears on 129 US grants and 120 published applications in this corpus.
Search patents in H03K- Granted patents
- 129
- Published applications
- 120
- Assignees
- 102
- Inventors
- 227
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 5 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 3 | 6 |
| 2008 | 3 | 6 |
| 2009 | 4 | 4 |
| 2010 | 3 | 7 |
| 2011 | 4 | 6 |
| 2012 | 1 | 7 |
| 2013 | 4 | 8 |
| 2014 | 10 | 8 |
| 2015 | 6 | 6 |
| 2016 | 9 | 8 |
| 2017 | 8 | 7 |
| 2018 | 6 | 5 |
| 2019 | 13 | 7 |
| 2020 | 5 | 6 |
| 2021 | 2 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 2 |
| 2025 | 4 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- IR timing calibration for a key switch7 Jul 2026US 12,676,612 B2Logitech Europe S. A.
- Touch input device19 Aug 2025US 12,395,172 B2Darfon Electronics Corp.
- Gaming machine operation button, and control deck and gaming machine comprising same15 Jul 2025US 12,361,781 B2OMRON Corporation
- IR timing calibration for a key switch15 Jul 2025US 12,362,750 B2Logitech Europe S. A.
- Control device having buttons with multiple-level backlighting28 Jan 2025US 12,213,227 B2Lutron Technology Company LLC
- Switch device8 Oct 2026US 2026/0312584 A1Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Ir timing calibration for a key switch25 Sep 2025US 2025/0300656 A1Logitech Europe S. A.
- Virtual mouse14 Aug 2025US 2025/0258569 A1Architectronics Inc.
- Ir timing calibration for a key switch29 May 2025US 2025/0175177 A1Logitech Europe S. A.
- Control device having buttons with multiple-level backlighting22 May 2025US 2025/0168951 A1Lutron Technology Company LLC
Most cited
By later US patents
- Touch position sensitive surface279US 4,484,179 AAT&T Bell Laboratories · 1984
- Keyboard having touch sensor keys for conveying information electronically220US 5,341,133 ARowland Institute for Science · 1994
- Photoelectric proximity detector and switch164US 5,103,085 A1992
- Electro-optical scanning system with gyrating scan head151US 5,371,347 AGAP Technologies, Inc. · 1994
- Light beam scanning pen, scan module for the device and method of utilization133US 5,932,860 AGEO Labs, Inc. · 1999