Inclined filter for photoelectric touch panel
US4737633A · kind A · utility
6Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1986 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Apr 18, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0421
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A filter for a photoelectric touch panel disposed in front of arrays, formed on a framework on the circumference of a screen, of aligned light emitting elements and photosensitive elements characterized in that the same is arranged to be slanted to spread outward.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.