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:
Oct. 12, 2021
Filed:
Feb. 15, 2018
Ricoh Company, Ltd., Tokyo, JP;
Norikazu Igarashi, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Yasuo Katano, Kanagawa, JP;
Kenji Kameyama, Kanagawa, JP;
Takashi Maki, Kanagawa, JP;
Yuuto Gotoh, Kanagawa, JP;
Satomi Tanaka, Kanagawa, JP;
Shiroh Ikegami, Tokyo, JP;
Ikue Kawashima, Kanagawa, JP;
Qing Liang, Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A display apparatus that enhances a response speed while suppressing reduction in durability even when the transmittance control is performed. The display apparatus includes a display, a plurality of light adjustment devices, and a controller. The display is configured to be attached to a head of a user to display information to the user. Each of the plurality of light adjustment devices is configured to change a transmittance to adjust an intensity of light incident from outside. The controller is configured to independently control the transmittances of the plurality of light adjustment devices separately from each other.