Patent · US Expired

Copy board apparatus

US4702586A · kind A · utility

3Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 1986
Grant dateOct 27, 1987
Priority date
Expiry dateJul 9, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0435
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A copy board apparatus for copying information on a web-like writing board supported by rollers with an electrophotographic copier disposed adjacent one longitudinal end of the writing board. The apparatus has a first optical system for optically connecting the writing board and a photosensitive member of the copier, a second optical system for optically connecting an original on the copier and the photosensitive member, and change-over circuitry which permits switching between the two optical systems.

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