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:
Feb. 01, 1994
Filed:
Jul. 06, 1992
Yasuyuki Tejima, Tokyo, JP;
Takashi Iizuka, Tokyo, JP;
Yasunori Arai, Saitama, JP;
Nobutaka Minefuji, Tokyo, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An image combining and projecting apparatus having a plurality of light transmission type image panels through which light beams are transmitted, condenser lenses corresponding to the light transmission type image panels, a beam combining mechanism which combines beams transmitted through the image panels, and a projection lens through which beams are projected after being combined by the beam combining mechanism, wherein the condenser lenses are provided on the light outgoing side of the corresponding image panels. The apparatus further has a condenser lens adjusting mechanism for adjusting the positions of the condenser lenses.