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:
Apr. 17, 2012
Filed:
Aug. 19, 2009
Kenji Konno, Sakai, JP;
Keiko Yamada, Sakai, JP;
Kenji Konno, Sakai, JP;
Keiko Yamada, Sakai, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
A two-dimensional image is displayed on a screen (SC) by scanning the screen (SC) two-dimensionally with light beams from a laser light source () that are deflected to orthogonally-intersecting first and second scanning directions by means of a mirror () in a deflection apparatus (). The deflection apparatus () is arranged to incline obliquely in the second scanning direction (e.g. vertical direction) lower in a scanning speed than the first scanning direction (e.g. horizontal direction), and performs an oblique projection onto the screen (SC). Assuming a direction in which the incidence angle of a light beam deflected by the deflection apparatus () and entering the screen (SC) increases in the second scanning direction is positive side, the light beam from the laser light source () impinges on the deflection apparatus () from the negative side in the second scanning direction, and the normal to the mirror () in the deflection apparatus () in a state where the center of the screen is displayed inclines to the negative side in the second scanning direction with respect to the normal to the screen (SC).