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:
Oct. 18, 2011
Filed:
Sep. 11, 2008
Hideaki Inoue, Musashimurayama, JP;
Hideaki Inoue, Musashimurayama, JP;
Casio Computer Co., Ltd., Tokyo, JP;
Abstract
Disclosed is a projection apparatus including: a video display control sectionto project and display a video according to input video data; and a projection distance obtainment sectionto irradiate to a projection plane where the video is projected with a laser and displayed by the video display control section, and to obtain a projection distance to the projection plane, wherein when the projection distance is obtained by the projection distance obtainment section, the video display control sectionadjusts a display status of at least a first video areacorresponding to a laser ranging pointwhich is an area where the laser is irradiated to a display status for obtaining the projection distance so that the distance from the projection apparatus to the projection plane can be measured fast and with high accuracy.