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:
Dec. 23, 2025
Filed:
Sep. 08, 2023
Applicant:
Casio Computer Co., Ltd., Tokyo, JP;
Inventors:
Kazuyasu Fukano, Hachioji, JP;
Masaki Kobayashi, Higashiyamato, JP;
Tetsuro Narikawa, Hamura, JP;
Shunsuke Hara, Fuchu, JP;
Assignee:
CASIO COMPUTER CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/60 (2014.01); G03B 21/28 (2006.01);
U.S. Cl.
CPC ...
G03B 21/60 (2013.01); G03B 21/28 (2013.01);
Abstract
A spatial projection apparatus is provided. The apparatus includes an optical medium that diffuses a projected light. The apparatus further includes a light guide optical system that guides the projected light diffused by the optical medium and forms an image on a spatial imaging unit. The optical medium can be formed with a plate shape, a film shape, a three-dimensional shape including unevenness, in smoke-form, fluid-form, or mist-form.