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:
Jun. 12, 2012
Filed:
Nov. 12, 2008
Kenji Nagashima, Daito, JP;
Atsuhiko Chikaoka, Daito, JP;
Seiji Takemoto, Daito, JP;
Hiroki Matsubara, Daito, JP;
Yutaka Takahashi, Daito, JP;
Ken Nishioka, Daito, JP;
Kenji Nagashima, Daito, JP;
Atsuhiko Chikaoka, Daito, JP;
Seiji Takemoto, Daito, JP;
Hiroki Matsubara, Daito, JP;
Yutaka Takahashi, Daito, JP;
Ken Nishioka, Daito, JP;
Funai Electric Co., Ltd., Osaka, JP;
Abstract
A laser projector includes a green laser, a two-wavelength laser, a PBS, a collimator lens, a two-axis galvanometer mirror, a group of lenses, and a screen. The green laser emits a green laser beam. The two-wavelength laser emits red and blue laser beams. The PBS is provided at the position where respective optical paths of laser beams emitted from respective lasers cross each other to cause these optical paths to coincide with each other.