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:
Jul. 02, 2019
Filed:
Jan. 12, 2016
Yuuma Usui, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Ikue Kawashima, Kanagawa, JP;
Yasuo Katano, Kanagawa, JP;
Aino Hasegawa, Kanagawa, JP;
Atsushi Ohshima, Kanagawa, JP;
Yuuma Usui, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Ikue Kawashima, Kanagawa, JP;
Yasuo Katano, Kanagawa, JP;
Aino Hasegawa, Kanagawa, JP;
Atsushi Ohshima, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A head-mounted display apparatus () includes an image display part () configured to display an image, an optical unit () configured to lead the image to an eye of a wearer of the display apparatus (), a light intensity detector () configured to detect light intensity (A) of external light, a dimmer filter () configured to vary transmittance to adjust the intensity (B) of the external light reaching the eye of the wearer, and a controller () configured to adjust the transmittance of the dimmer filter () and the light intensity (C) of a light source of the image display part () based on the light intensity (A) of the external light obtained by the light intensity detector ().