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. 07, 2020
Filed:
Feb. 22, 2018
Seiko Epson Corporation, Tokyo, JP;
Kenro Yajima, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A head-mounted display device includes an image display section worn on the head of a user and configured to be capable of transmitting external light and display an image, a right electronic shade and a left electronic shade configured to adjust transmittance of the external light transmitted through the image display section, and a control section configured to determine a worn state of the image display section on the head of the user, control the right electronic shade and the left electronic shade on the basis of a result of the determination, and adjust the transmittance of the external light transmitted through the image display section.