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:
Mar. 09, 1993
Filed:
Apr. 18, 1991
Applicant:
Inventor:
Takefumi Sakurada, Akishima, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235475 ;
Abstract
An optical card scanning apparatus includes a mechanism for forwardly conveying an optical card inserted into a housing through an insertion port toward a carrier, while a shutter is open. First and second detectors for detecting the card passing therethrough are provided between the insertion port and shutter, and between the shutter and the carrier. The time difference between the detecting signals from the first and second detectors are compared with a standard time, and when the compared values are different, the inserted card is backwardly conveyed and outwardly ejected from the housing through the insertion port by the conveying mechanism.