Automatic document feeder
US4864366A · kind A · utility
7Cited by
9References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 27, 1988 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | May 27, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00329
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An automatic document feeder for feeding documents in order to expose a document in a sheet through mode in which an optical system is fixed, a document is moved at constant speed, including; rollers for feeding documents one at a time from a document feeder table to a constant glass plate of a copy machine, a senser for sensing the length of the document, a scale disposed at an end of the contact galss plate at which the document is fed, and a controller for moving the exposure position of the optical system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.