The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 03, 1990

Filed:

Dec. 22, 1988
Applicant:
Inventors:

Takemi Yamamoto, Nagoya, JP;

Masashi Ueda, Nagoya, JP;

Kazuo Sangyoji, Nagoya, JP;

Morimasa Mano, Nagoya, JP;

Kazuhiko Matsuda, Konan, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346 17 ; 358 38 ;
Abstract

An equipment which requires an external unit to be assembled therein for starting inherent operation. The equipment includes a detection means for detecting an identification mark such as a trade mark affixed to the external unit. The equipment is only operable upon detection of a proper identification mark. The equipment may be a printer and an image recording apparatus such as a copying machine, and the external unit may be an image recording medium cassette such as an ink ribbon cassette and a rolled photosensitive sheet cartridge.


Find Patent Forward Citations

Loading…