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. 26, 2008
Filed:
Aug. 25, 2005
Katsuyasu Mizuno, Gamagori, JP;
Katsuyasu Mizuno, Gamagori, JP;
Nidek Co. Ltd., Gamagori, JP;
Abstract
An ophthalmic observation apparatus for observing an object region to be observed of an examinee's eye, comprises: an illumination optical system which has a laser source, a polygon mirror, and a galvano mirror, and which irradiates the object region with a laser beam emitted from the laser source by scanning the laser beam in two dimensions by use of the polygon mirror and the galvano mirror; a photo-receiving optical system which has a beam splitter placed on an optical path between the eye and the polygon mirror, and a photo-receiving element placed in a conjugate position with a pupil of the eye, the photo-receiving element being arranged to receive the laser beam reflected from the object region via the beam splitter, not via the polygon mirror; and an image processing part which processes an output signal from the photo-receiving element in sync with scanning operations of the polygon mirror and the galvano mirror to generate an observation image of the object region.