G06F 2203/04109
Ftir in optical digitiser, i.e. touch detection by frustrating the total internal
Official title: FTIR in optical digitiser, i.e. touch detection by frustrating the total internal reflection within an optical waveguide due to changes of optical properties or deformation at the touch location
G06F2203/04109 (Ftir in optical digitiser, i.e. touch detection by frustrating the total internal) appears on 490 US grants and 673 published applications in this corpus.
Search patents in G06F- Granted patents
- 490
- Published applications
- 673
- Assignees
- 182
- Inventors
- 936
- Latest grant
- 24 Mar 2026
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| Year | Granted patents | Published applications |
|---|---|---|
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| 1986 | 0 | 0 |
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| 1992 | 1 | 0 |
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| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
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| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 5 |
| 2004 | 0 | 6 |
| 2005 | 3 | 6 |
| 2006 | 5 | 15 |
| 2007 | 7 | 14 |
| 2008 | 5 | 42 |
| 2009 | 4 | 21 |
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| 2011 | 21 | 54 |
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| 2014 | 37 | 49 |
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| 2017 | 41 | 46 |
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| 2019 | 39 | 28 |
| 2020 | 29 | 18 |
| 2021 | 25 | 22 |
| 2022 | 15 | 10 |
| 2023 | 10 | 10 |
| 2024 | 6 | 7 |
| 2025 | 9 | 2 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detection device with at least one sensor device, an analysis device, a light source, and a carrier medium24 Mar 2026US 12,585,020 B2Audi AG
- Photo-sensing enabled display for touch detection with customized photodiode and light emitting diode component level angular response24 Mar 2026US 12,585,360 B2Apple Inc.
- Infrared touch screens and display devices16 Dec 2025US 12,498,828 B2Shenzhen Huasheng Software Technology Co., Ltd.
- Dynamic assignment of possible channels in a touch sensor28 Oct 2025US 12,455,658 B2Tactual Labs IP LLC
- Display panel for processing biometrics using TFT photodetectors integrated thereon21 Oct 2025US 12,453,196 B2Hoon KIM
- Optical system20 Aug 2026US 2026/0244297 A1Uniphy Limited
- Packaged light emitting diode and touch sensitive apparatus having the same20 Aug 2026US 2026/0244298 A1Uniphy Limited
- Optical system and devices20 Aug 2026US 2026/0244299 A1Uniphy Limited
- Floating button trigger induction adjustment system and method20 Aug 2026US 2026/0244300 A1Darwin Precisions Corporation
- Optical system manufacture16 Jul 2026US 2026/0202937 A1Uniphy Limited
Most cited
By later US patents
- Method for providing human input to a computer283US 7,098,891 B12006
- Touch position sensitive surface279US 4,484,179 AAT&T Bell Laboratories · 1984
- Integrated computer display and graphical input apparatus and method262US 6,061,177 A2000
- Deformable touch sensitive surface211US 4,542,375 AAT&T Bell Laboratories · 1985
- Method and apparatus for generating a control signal182US 5,801,681 A1998