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:
May. 20, 2014
Filed:
Aug. 25, 2010
Applicant:
Takuya Hara, Shizuoka-ken, JP;
Inventor:
Takuya Hara, Shizuoka-ken, JP;
Assignee:
Kowa Company, Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 3/00 (2006.01); A61B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A perimeter according to the invention has fixation state detecting means for detecting a fixation state of an examinee in association with each portion where a stimulus should be presented, and necessity of retest is judged for each stimulus. Even if no good fixation state is detected for some stimulus, it is sufficient to retest the portion where the stimulus was presented. Then, burdens on the examinee or an examiner are lighter and the test time is shorter, and test efficiency is increased thereby.