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:
Nov. 19, 1996
Filed:
Jun. 02, 1995
Tohru Nakajima, Tokyo, JP;
Mituhiro Nagase, Tokyo, JP;
Laurel Bank Machines Co., Ltd., Tokyo, JP;
Abstract
A pattern detecting apparatus having an irradiating means for emitting light and irradiating a surface of an object whose pattern is to be detected, and a light detecting means for detecting light reflected from the surface of or transmitted through the object, wherein a pattern on the surface of the object is detected based on information from the light detecting means is disclosed. The pattern detecting apparatus further comprises a light transmitting means for transmitting light advancing in a predetermined direction. The light transmitting means is positioned between the object and the light detecting means such that the predetermined direction coincides with the direction in which the reflected or transmitted light from the object advances.