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.
Patent No.:
Date of Patent:
Jan. 14, 1992
Filed:
Jan. 04, 1989
Applicant:
Inventors:
Takuma Ishikawa, Osaka, JP;
Akiyoshi Johdai, Osaka, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
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.