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:
Aug. 04, 2020
Filed:
Dec. 11, 2018
Applicant:
Denso Corporation, Kariya, Aichi-pref., JP;
Inventors:
Kazuyuki Ishihara, Kariya, JP;
Hiroshi Ando, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 26/10 (2006.01); G02B 26/08 (2006.01); G02B 27/00 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0101 (2013.01); G02B 26/0858 (2013.01); G02B 26/10 (2013.01); G02B 27/0031 (2013.01); G02B 27/01 (2013.01); H04N 9/3129 (2013.01); H04N 9/3161 (2013.01); G02B 2027/0141 (2013.01);
Abstract
An image projection device includes an emitting unit, a shaping unit, an adjusting unit, a scanning unit, and a projection optical system. The projection optical system is disposed such that a position of a front side principal plane of the projection optical system is at a position which is separated from the scanning unit by a focal length of the projection optical system.