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:
Jun. 13, 2006
Filed:
Aug. 30, 2004
Takeshi Hoshino, Kodaira, JP;
Rieko Otsuka, Kokubunji, JP;
Atsushi Ishibashi, Tokorozawa, JP;
Youichi Horii, Mitaka, JP;
Manabu Yanagimoto, Kawasaki, JP;
Yukinobu Maruyama, Kokubunji, JP;
Takeshi Hoshino, Kodaira, JP;
Rieko Otsuka, Kokubunji, JP;
Atsushi Ishibashi, Tokorozawa, JP;
Youichi Horii, Mitaka, JP;
Manabu Yanagimoto, Kawasaki, JP;
Yukinobu Maruyama, Kokubunji, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A display apparatus comprises a screen which can rotate and provides a part for controlling view angle, a mirror group which comprises a plurality of mirrors arrayed in a ring form along a surface of a circular cone which sets a central axis as an axis of rotation of the screen, and a plurality of electronic projectors arranged at positions where oppose to mirror faces of the mirrors comprising the mirror group and project different image divisions representing different sides of an object to the different mirror faces, wherein each of the electronic projectors is arranged so as to project the image division to the mirror group, and each of the mirrors is arranged on optical path of optical system which the image division projected from the electronic projector is reflected on the mirror face and is projected to the screen.