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:
Jun. 16, 1987

Filed:

Aug. 28, 1985
Applicant:
Inventor:

Masakazu Sogame, Toyokawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 355 / ; 355 / ; 355-7 ;
Abstract

An electrophotographic copying apparatus provided with a light receiving device disposed in a light path for receiving the light from the original document, a light shielding device disposed before the light receiving device and capable of altering a light receiving range of the light receiving device, a device for controlling a light shielding amount of the light shielding device so as to correspond to a size of the original document, and a device for controlling the image forming device based on outputs of the light receiving device.


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Sogame, Masakazu. (1987). Electrophotographic copying apparatus (U.S. Patent No. 4673282). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4673282

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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