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:
Mar. 07, 2023
Filed:
Feb. 24, 2020
Applicants:
Fusao Ishii, Pittsburgh, PA (US);
Ntt Docomo, Inc., Tokyo, JP;
Inventors:
Fusao Ishii, Pittsburgh, PA (US);
Mikiko Nakanishi, Tokyo, JP;
Kazuoki Ichikawa, Tokyo, JP;
Yuji Aburakawa, Tokyo, JP;
Assignees:
Other;
NTT DOCOMO, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/28 (2006.01); G02B 27/01 (2006.01);
U.S. Cl.
CPC ...
G02B 27/283 (2013.01); G02B 27/0172 (2013.01); G02B 2027/011 (2013.01); G02B 2027/0118 (2013.01);
Abstract
A compact light source for a projection display is disclosed enabling eye-glass display using a Fresnel mirror reflecting light without a distance as conventional prism type reflector.