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. 08, 1994
Filed:
Apr. 28, 1992
Applicant:
Inventors:
Yasukazu Kondou, Kyoto, JP;
Hiroaki Hikita, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382-8 ; 356390 ; 359638 ; 359834 ;
Abstract
An image recognition apparatus comprises a support for placing thereon an inspection object, an impage pickup unit spaced from the support for detecting an image of the inspection object, and an image alternating unit arranged in an optical path extending between the support and the image pickup unit. The image alternating unit includes a quadratic prism which has a longitudinal axis substantially in parallel to the support, and the quadratic prism has two incident surfaces directed toward the support and two exit surfaces directed away from the support.