Dual reflecting type and transmitting type scanner
US5282081A · kind A · utility
14Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1992 |
| Grant date | Jan 25, 1994 |
| Priority date | — |
| Expiry date | Aug 19, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0418
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A reflection-transparence scanner comprises a reflection type scanner and a scanner converter which converts reflection type scanner as transparence type scanner, the scanner converter comprises: a casing, having a flat upper surface equipped with a scanning window; a light source, fixed to the casing; a power supply, to provide the electricity to the light source; and a light transmitter, fixed to the scanning window of the casing, and used to evenly distribute over a plane the light emitted by the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.