Control means for varying the image-free edge zones of a copy in a reproduction device
US4674864A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1986 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Jan 23, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0487
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a reproduction device for making simplex or duplex copies having image-free side margins of the desired width, means are provided for supplying to the process control unit of the device data concerning the width of each of two oppositely situated image-free side margins of the original to be reproduced and the required minimum width of the corresponding side margins on the copies to be produced and calculating in the process control unit the imaging ratio and an adjustment or activation time of at least one of the copy forming process functions and then they control the copying process in accordance with these calculated values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.