Document analyzer in particular for a facsimile transmitter
US4199789A · kind A · utility
5Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 21, 1978 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | Aug 21, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/193
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A document analyser for analyzing a document along successive analysis lines as the document moves past the generally stationary analyzer. The analyzer illuminates said document along an analysis line, optically a sensor receives the image of the analysis line which is projected onto the sensitive surface of the sensor. In accordance with the invention, an optical element and the sensor are optically aligned and held rigidly in relation to one another by a common rigid support which is stirrup-shaped and with which they constitute a preset optical assembly. Application to transmission of facsimile signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.