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. 04, 2014
Filed:
Mar. 30, 2010
Kazuyuki Okamura, Tokyo, JP;
Yasuhisa Ishikura, Tokyo, JP;
Kazuyuki Okamura, Tokyo, JP;
Yasuhisa Ishikura, Tokyo, JP;
Kabushiki Kaisha Topcon, Tokyo, JP;
Abstract
An optical image measurement device comprises: a light amount adjustment part that adjusts the light amount of a laser beam generated by a low coherence light source; and a photodiodeplaced outside the light path of the laser beam irradiated on an eye E and capable of measuring the light amount, wherein the laser beam is input to the photodiodeby changing the direction of a galvanomirrorB; the photodiodemeasures the light amount of the input laser beam; and the light amount adjustment part previously stores a specified range of light amount and adjust the light amount of the laser beam generated by the low coherence light sourcesuch that the light amount measured by the photodiodefalls within the specified range.