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:
Jan. 09, 2018
Filed:
Nov. 12, 2015
Tetsuya Fujioka, Kanagawa, JP;
Akihisa Mikawa, Kanagawa, JP;
Hideo Kanai, Tokyo, JP;
Yasunari Mikutsu, Tokyo, JP;
Satoshi Tsuchiya, Kanagawa, JP;
Jun Mashimo, Tokyo, JP;
Yoshio Kubo, Tokyo, JP;
Tetsuya Fujioka, Kanagawa, JP;
Akihisa Mikawa, Kanagawa, JP;
Hideo Kanai, Tokyo, JP;
Yasunari Mikutsu, Tokyo, JP;
Satoshi Tsuchiya, Kanagawa, JP;
Jun Mashimo, Tokyo, JP;
Yoshio Kubo, Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An image projection device includes: an image generating unit that includes an optical modulation element generating an image using light emitted from a light source; an illumination optical unit that includes one or more optical elements guiding the light emitted from the light source to the image generating unit; a projecting unit that projects the image generated by the image generating unit; a first control unit that performs control to move the image generating unit movable with respect to the illumination optical unit; and a second control unit that performs control to move an illumination area indicating an area illuminated with the light guided to the image generating unit by the illumination optical unit according to a movement amount of the image generating unit.