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:
May. 21, 2013
Filed:
Sep. 30, 2009
Tetsuro Mizushima, Hyogo, JP;
Kazuhisa Yamamoto, Osaka, JP;
Akira Kurozuka, Osaka, JP;
Kakuya Yamamoto, Hyogo, JP;
Keiji Sugiyama, Kyoto, JP;
Kenji Nakayama, Osaka, JP;
Tetsuro Mizushima, Hyogo, JP;
Kazuhisa Yamamoto, Osaka, JP;
Akira Kurozuka, Osaka, JP;
Kakuya Yamamoto, Hyogo, JP;
Keiji Sugiyama, Kyoto, JP;
Kenji Nakayama, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A light projection device, includes a movable projector section which illuminates or display information by projecting light while moving a projection position; a position detecting section which detects a position of a lost article instructed by a user; a view field detecting section which detects a view field of the user, and a controller section which controls said movable projection section based on the lost article detected by the position detecting section and the view field of the user detected by the view field detecting section, and either directly illuminates the lost article or projects guide information for guiding the user to the lost article within a view field of the user.