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:
Apr. 03, 2007
Filed:
Jul. 23, 2003
Applicant:
Yoshinobu Hosoi, Gamagori, JP;
Inventor:
Yoshinobu Hosoi, Gamagori, JP;
Assignee:
Nidek Co., Ltd., Gamagori, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optometric apparatus () for subjectively examining a visual function of an examinee's eye, includes: a pair of right and left lens chamber units (), each including a test window () and optical elements to be changeably disposed in the test window; a support unit () which supports the lens chamber units so that the units may be converged; a near vision examination chart () to be disposed at a changeable distance from the test window; and an illumination unit () which illuminates the near vision chart, the illumination unit being provided in each lens chamber unit.