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:
Sep. 13, 1988
Filed:
Oct. 29, 1986
Applicant:
Inventor:
Toshiaki Fujiwara, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358294 ; 3503 / ; 350332 ;
Abstract
An image reading device includes a light emitting element, a light receiving element, a liquid crystal shutter array, and a circuit for driving the shutter array in a timesharing manner. The light reflected from a document is prevented from passing by the shutter array which is driven in the timesharing manner, so that the light receiving element can receive the light in the timesharing manner.