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. 29, 2011
Filed:
Mar. 14, 2007
Hiroshi Obi, Nara, JP;
Hironori Tomita, Nara, JP;
Akira Kurozuka, Osaka, JP;
Osamu Kajino, Osaka, JP;
Hiroshi Obi, Nara, JP;
Hironori Tomita, Nara, JP;
Akira Kurozuka, Osaka, JP;
Osamu Kajino, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An image projector according to the present invention includes a first light source that emits visible light and a second light source that emits invisible light and projects the visible light and the invisible light onto a screen. The screen includes a material, at least one of the visible light reflectance, transmittance and absorbance of which changes when irradiated with the invisible light projected. The image projector further includes a modulating section for modulating the intensities of the visible light and invisible light based on an image signal and a control section for controlling the modulating section.