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:
Aug. 15, 1995
Filed:
Dec. 27, 1993
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A registration system for registering a target registration object with respect to a predetermined reference position by using a registration mark formed on the target registration object includes the intensity measurement step of receiving a mark image for a predetermined period of time by a storage type sensor while an area of the target registration object which includes the mark is illuminated, the storage type sensor having elements whose positional relationship is known with respect to the mark image, the process of obtaining a center position of the mark image on the storage type sensor in a positioning direction in accordance with outputs from the elements of the storage type sensor obtained in the intensity measurement step, the distance calculation step of calculating a distance between the reference position and the center position obtained by the process, and the moving step of moving the target registration object by a distance corresponding to the distance obtained in the distance calculation step.