Patent · US Expired

Copier scan and collator back bar control

US4236808A · kind A · utility

10Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 11, 1979
Grant dateDec 2, 1980
Priority date
Expiry dateJan 11, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B27/526
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A control system for a copying machine having a scanning optical system and main and auxiliary supplies of copy paper of different size and adapted for use with a collator having a back bar, in which a signal which is produced when the machine is turned on automatically sets the machine to feed paper from the main supply and sets the initial scan to the length of the longest copy and in which a signal which is a measure of the length of the first copy being made in a given operation sets the length of the scan and positions the collator back bar in accordance with the length of the first copy.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.