Apparatus for imaging exit spots of a laser array

Details Apparatus for imaging exit spots of a laser array Apparatus for imaging exit spots of a laser array

1995-08-07

1998-10-06

Lee, Michael

Television

Video display

Projection device

348756, 348203, 347232, 347243, 353 31, H04N 931, H04N 308, G02F 100

Patent

active

058185461

ABSTRACT:
In order to improve an apparatus for generating an image in an image plane that is visible, in particular, for a human eye, comprising a radiation source which generates an image via an optical projection means by building up at least one row of image spots during an image build-up cycle by illuminating individual, adjacently located image spots and periodically repeating the image build-up cycle, so that it is possible to generate images as simply and, therefore, also as inexpensively as possible, it is suggested that a row of light sources comprising a plurality of semiconductor emitters be provided for the illumination of the image spots of the row of image spots, that the optical projection means associate each exit spot for the radiation of each semiconductor emitter with at least one of the image spots and that the optical projection means simultaneously image the exit spots of all the semiconductor emitters of the row of light sources onto the image spots associated therewith.

REFERENCES:
patent: 4297723 (1981-10-01), Whitby
patent: 4805012 (1989-02-01), Agostinelli et al.
patent: 4978202 (1990-12-01), Yang
patent: 4979030 (1990-12-01), Murata
patent: 5317348 (1994-05-01), Knize
patent: 5424771 (1995-06-01), Yu
patent: 5463468 (1995-10-01), Takanaski et al.
patent: 5614961 (1997-03-01), Gibeau et al.

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