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:
Jul. 03, 2007
Filed:
Jun. 26, 2003
Tetsuji Ogawa, Tochigi, JP;
Tetsuji Ogawa, Tochigi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ophthalmologic apparatus includes alignment driving means for aligning an examinee's eye, detecting means for detecting an alignment state of the examinee's eye, and alignment controlling means for controlling the alignment driving means based on the result detected by the detecting means. The alignment controlling means includes determining means for determining a quality of the result detected by the detecting means and counting means for counting outputs from the determining means within a predetermined period of time. The alignment controlling means performs interruption processing or warning processing of the alignment control based on the output of the counting means.