Contact-type document scanner including protective coating
US4691243A · kind A · utility
16Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1986 |
| Grant date | Sep 1, 1987 |
| Priority date | — |
| Expiry date | Sep 29, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/191
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Image scanning apparatus includes an array of thin film light sensitive elements and relies upon the concept of "proximity focusing" in order to generate electrical signals for replicating an image on an image-bearing member. Included herein is an abrasion-resistant, transparent coating overlying said light sensitive elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.