Laser projection display

Details Laser projection display Laser projection display

2004-06-30

2008-05-06

Nguyen, Dung (Michael) T. (Department: 2828)

Coherent light generators

Particular beam control device

Scanning

C348S764000

Reexamination Certificate

active

07369584

ABSTRACT:
A method and apparatus are provided for controlling the operation of a Laser Projection Display (LPD). Generally, the LPD is comprised of a laser, an optical system and a controller. The laser is adapted to emit a beam of laser light. The optical system is adapted to scan the beam of laser light on a display surface in a two-dimensional raster pattern. The controller is adapted to control the rate at which the laser beam is scanned to produce regions of varying resolution on the display surface. The controller is also adapted to present laser light onto the display surface within only selected portions of the two-dimensional raster scan pattern so that spaced apart image regions may be created.

REFERENCES:
patent: 6056406 (2000-05-01), Park
patent: 6266048 (2001-07-01), Carau, Sr.
patent: 6590606 (2003-07-01), Hiller et al.
patent: 2004/0017518 (2004-01-01), Stern et al.
International Search Report PCT/US2004/042836 dated Mar. 21, 2005.

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