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:
Dec. 09, 2014
Filed:
Sep. 11, 2007
Applicant:
Shigeru Kato, Kawasaki, JP;
Inventor:
Shigeru Kato, Kawasaki, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G02B 27/01 (2006.01);
U.S. Cl.
CPC ...
G02B 27/017 (2013.01); G02B 2027/0187 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0156 (2013.01);
Abstract
A displaying unit displaying an image, a recognizing unit recognizing use history of the displaying unit, and a decision unit deciding a permissible viewing time of the image for a user, based on the use history are provided, and the display of the image by the displaying unit is stopped according to the permissible viewing time. Alternatively, the user is encouraged to finish watching the image according to the permissible viewing time. In a head mount display including a displaying unit and mountable on the head of a user, it is possible to realize a fatigue countermeasure appropriate for a user.