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. 16, 2024
Filed:
Dec. 25, 2018
Ricoh Company, Ltd., Tokyo, JP;
Shigenobu Hirano, Kanagawa, JP;
Yasuo Katano, Kanagawa, JP;
Kenji Kameyama, Kanagawa, JP;
Norikazu Igarashi, Kanagawa, JP;
Satomi Tanaka, Kanagawa, JP;
Naoki Nakamura, Saitama, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A head-mounted display device includes an image display unit () configured to emit image light, a light guide member () configured to guide the image light and emit the image light to eyes of a wearer who wears the head-mounted display device, and a relay optical system () arranged between the image display unit and the light guide member, and configured to relay the image light from the image display unit to the light guide member, and form an intermediate image at least once before the image light enters the light guide member.