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:
May. 23, 1995

Filed:

Sep. 20, 1993
Applicant:
Inventors:

Hiroshi Kusumoto, Osaka, JP;

Daisuke Hayashi, Osaka, JP;

Hideki Ishida, Osaka, JP;

Shoichi Kitagawa, Osaka, JP;

Takashi Nagashima, Osaka, JP;

Mitsugu Miyamoto, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
355203 ; 355233 ; 355243 ;
Abstract

An image forming apparatus includes an original placement portion and a reference original portion outside of the original placement portion, a scanning device capable of selectively scanning either the original placement portion or the reference original portion, an image forming device for forming an image in accordance with the scanning device, a selection device for selecting the scanning of the original placement portion or the scanning of the reference original portion, and a reading device for reading an image of the reference original portion formed by the image forming device to evaluate a performance of the image forming device.


Find Patent Forward Citations

Loading…