Patent · US Expired

System for recognizing interchangeable articles

US5075724A · kind A · utility

45Cited by
11References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 1989
Grant dateDec 24, 1991
Priority date
Expiry dateAug 24, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0678
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A system for recognizing a detachable article attached to an apparatus, and judging whether the article as mounted in position is genuine. The article can be identified by the predetermined device, whereas the apparatus includes a detector for detecting the device. The apparatus is driven according to a result obtained by the detector. The system of the present invention is particularly suited for a toner bottle, PC unit and so on attached to a copier, printer or other image-forming apparatus.

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