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:
Jan. 14, 1992

Filed:

Jan. 04, 1989
Applicant:
Inventors:

Takuma Ishikawa, Osaka, JP;

Akiyoshi Johdai, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355200 ; 355207 ; 355311 ; 355313 ;
Abstract

A copying apparatus having an automatic original document feeder (ADF unit), which includes a sheet size detecting system for detecting each size of original documents fed by the ADF unit and a boundary detecting system for detecting a boundary between sets of originals which are placed on a tray of the ADF unit. The boundary detecting system discriminates the boundary between sets of originals based on a variation of the size of the original document, of which the size is detected by the sheet size detecting system.


Find Patent Forward Citations

Ishikawa, Takuma. (1992). Copying apparatus (U.S. Patent No. 5081489). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5081489

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

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