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:
Feb. 23, 1999
Filed:
Sep. 28, 1995
Applicant:
Inventors:
Wataru Kawata, Tokyo, JP;
Akimaro Yoshida, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358296 ; 358449 ;
Abstract
A sheet size detecting apparatus includes a rotary member for conveying a sheet rotation detector together with the rotary member for generating a pulse, a sheet size measurement control device including an arm provided in a vicinity of the rotary member to effect reciprocally rocking by the passing of the front end and the rear end of the sheet. The sheet size measurement control device measures the size of the sheet by counting pulses generated by the rotation detector means in response to the rocking of the arm and, adds a correction value to the measured sheet size according to the conveying speed of the sheet.