Patent · US Expired

Copy apparatus with pattern writing capability

US4806976A · kind A · utility

14Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1987
Grant dateFeb 21, 1989
Priority date
Expiry dateJul 24, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/36
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A copying apparatus having the capability to write optional pattern information on a copy sheet. The apparatus comprises an original glass plate, a photosensitive drum, plural devices for forming copied image of the original document on the photosensitive drum, an editor 900 for inputting arbitrary coordinates data, an eraser including an LED array, a control circuit for controlling the eraser in accordance with the input data, and a transfer device for transferring the copied image and the pattern image on the same surface of copy sheet.

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