System for recognizing interchangeable articles
US5075724A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1989 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Aug 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.