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:
Jun. 27, 1989
Filed:
Sep. 02, 1987
Applicant:
Inventors:
Masaaki Nishikawa, Yokohama, JP;
Satoshi Shimizu, Ohmiya, JP;
Assignee:
Cannon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358293 ; 358285 ;
Abstract
An image reading apparatus comprising: a motor and power transmission belt for feeding a recording medium on which image information is recorded; a photoelectric transducer for reading the image information as image data; two buffers for storing therein the image data read by the transducer and out of which the image data is read, the storing and reading of the image data being performed alternately; and a CPU for controlling the motor and belt, the transducer, and the two buffers; characterized by either a buffer or a gate for preventing a delay in the transfer of the image data due to a delay in the response of the motor and belt.