G06F 3/0428
By sensing at the edges of the touch surface the interruption of
Official title: {by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual (sensing beam interruptions in a planar beam grid of an optical touch-screen G06F3/0421)}
G06F3/0428 (By sensing at the edges of the touch surface the interruption of) appears on 779 US grants and 1,119 published applications in this corpus.
Search patents in G06F- Granted patents
- 779
- Published applications
- 1,119
- Assignees
- 295
- Inventors
- 1,433
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 2 |
| 2003 | 4 | 9 |
| 2004 | 6 | 9 |
| 2005 | 5 | 15 |
| 2006 | 4 | 17 |
| 2007 | 7 | 18 |
| 2008 | 9 | 24 |
| 2009 | 7 | 20 |
| 2010 | 11 | 76 |
| 2011 | 7 | 193 |
| 2012 | 28 | 127 |
| 2013 | 84 | 104 |
| 2014 | 95 | 75 |
| 2015 | 104 | 94 |
| 2016 | 79 | 46 |
| 2017 | 46 | 60 |
| 2018 | 40 | 43 |
| 2019 | 41 | 26 |
| 2020 | 38 | 31 |
| 2021 | 28 | 35 |
| 2022 | 31 | 30 |
| 2023 | 28 | 25 |
| 2024 | 21 | 22 |
| 2025 | 21 | 8 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic device and infrared touch frame having radio frequency signal processing function6 Oct 2026US 12,754,641 B2Shenzhen Ktc Commercial Display Technology Co., Ltd.
- Touch-sensing apparatus11 Aug 2026US 12,704,928 B2FlatFrog Laboratories AB
- Optical proximity sensors19 May 2026US 12,632,147 B2Neonode Inc.
- Multimodal trajectory information processing and analysis system based on man-machine interaction terminal12 May 2026US 12,625,584 B2Kingfar International Inc.
- Method for detecting an operating input, and operating device24 Feb 2026US 12,561,002 B2Mercedes-Benz Group AG
- Optical system20 Aug 2026US 2026/0244297 A1Uniphy Limited
- Optical system and devices20 Aug 2026US 2026/0244299 A1Uniphy Limited
- A panel assembly16 Jul 2026US 2026/0202936 A1FlatFrog Laboratories AB
- Optical system manufacture16 Jul 2026US 2026/0202937 A1Uniphy Limited
- Electronic Device and Infrared Touch Frame Having Radio Frequency Signal Processing Function25 Jun 2026US 2026/0178151 A1Shenzhen Ktc Commercial Display Technology Co., Ltd.
Most cited
By later US patents
- Man machine interfaces and applications625US 7,042,440 B22006
- Interactive video display system547US 7,170,492 B2Reactrix Systems, Inc. · 2007
- Interactive video display system547US 7,348,963 B2Reactrix Systems, Inc. · 2008
- Computer vision based touch screen477US 8,035,624 B2Intellectual Ventures Holding 67 LLC · 2011
- Processing an image utilizing a spatially varying pattern475US 7,710,391 B22010