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.

Date of Patent:
Oct. 29, 2024

Filed:

Sep. 21, 2023
Applicants:

Shu Tanaka, Osaka, JP;

Suguru Sangu, Kanagawa, JP;

Kayoko Fujimura, Osaka, JP;

Inventors:

Shu Tanaka, Osaka, JP;

Suguru Sangu, Kanagawa, JP;

Kayoko Fujimura, Osaka, JP;

Assignee:

RICOH COMPANY, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 26/10 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 26/105 (2013.01); G02B 27/0093 (2013.01); G02B 27/0179 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0178 (2013.01); G02B 2027/0187 (2013.01);
Abstract

A retinal projection display device for projection of an image onto a retina of a wearer wearing an eyeglass-type support is provided. The retinal projection display device includes the eyeglass-type support including a temple; a light source; an optical scanner disposed in the temple and configured to scan light from the light source so as to form the image; a projector configured to project the image formed by the optical scanner onto the retina; an optical deflector disposed in the temple and configured to change a projection direction of the image formed by the optical scanner; and a translation member configured to translate the optical scanner and the optical deflector in a direction in which the temple extends.


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