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. 15, 2011
Filed:
Dec. 22, 2008
Kyo Yamamoto, Higashimurayama, JP;
Kyo Yamamoto, Higashimurayama, JP;
Casio Computer Co., Ltd., Tokyo, JP;
Abstract
A projector includes a light source unit, a light source-side optical system for guiding light from the light source unit to a display device, the display device, a projection-side optical system for projecting an image emitted from the display device on to a screen, and a distance measuring systemand has a projector control unit for controlling the light source unit and the display device. In addition, the distance measuring systemhas a laser beam emitterfor emitting a laser beam to a distance measurement target object, a receiving lensfor concentrating reflected light from the distance measurement target object and a receiving elementfor receiving the reflected light from the distance measurement target object which has passed through the receiving lens, and optical axes of the receiving lensand the receiving elementare made to be aligned with an optical axis of the emitted laser beam.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile