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. 03, 2017
Filed:
Jun. 05, 2014
Seiko Epson Corporation, Tokyo, JP;
Fusashi Kimura, Matsumoto, JP;
Atsunari Tsuda, Suwa, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A head-mounted display device includes an image processing unit that controls a display drive units. The image processing unit controls the pair of display drive units so as to move the emission areas in any one of a first direction in which an image formed by the image light emitted from one of the display drive units and an image formed by the image light emitted from the other of the display drive units move close to each other in cooperation and a second direction in which an image formed by the image light emitted from one of the display drive units and an image formed by the image light emitted from the other of the display drive units move apart from each other in cooperation to change a focal distance of an image in a virtual image which is visually recognized by the user.