Title:
LASER PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2010/021331
Kind Code:
A1
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 (1) that are deflected to orthogonally-intersecting first and second scanning directions by means of a mirror (10) in a deflection apparatus (3). The deflection apparatus (3) 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 (3) and entering the screen (SC) increases in the second scanning direction is positive side, the light beam from the laser light source (1) impinges on the deflection apparatus (3) from the negative side in the second scanning direction, and the normal to the mirror (10) in the deflection apparatus (3) 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).
Inventors:
KONNO KENJI (JP)
YAMADA KEIKO (JP)
YAMADA KEIKO (JP)
Application Number:
PCT/JP2009/064481
Publication Date:
February 25, 2010
Filing Date:
August 19, 2009
Export Citation:
Assignee:
KONICA MINOLTA OPTO INC (JP)
KONNO KENJI (JP)
YAMADA KEIKO (JP)
KONNO KENJI (JP)
YAMADA KEIKO (JP)
International Classes:
G02B26/10
Foreign References:
| JP2004138748A | 2004-05-13 | |||
| JP2000352678A | 2000-12-19 |
Attorney, Agent or Firm:
SANO SHIZUO (JP)
Shizuo Sano (JP)
Shizuo Sano (JP)
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