Two-dimensional image read/display device
US5313055A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1992 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Sep 29, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/198
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A two-dimensional image read/display device which is able to read and display information including two-dimensional images. A two-dimenasional image read/display device comprising a substrate, an optical sensor provided on the substrate and a light emitting unit provided to the optical sensor, wherein the optical sensor comprises a sensor area and a non-sensor area arranged alternately in a two dimensional manner, the light emitting unit comprises a light emitting area and a light transmissive area arranged alternately in a two dimensional manner, and the sensor area is disposed opposed to the light transmissive area at given distance therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.