Despeckling screen utilizing optical fibers and method of reduci

Details Despeckling screen utilizing optical fibers and method of reduci Despeckling screen utilizing optical fibers and method of reduci

1990-01-24

1991-07-09

Healy, Brian

Illumination

Supported by vehicle structure

Condition responsive

350 9610, 350 9625, 350320, 362 32, 362259, 353121, G02B 608, F21V 704, G03B 2100

Patent

active

050299751

ABSTRACT:
The invention comprises a method and apparatus for decohering coherent light projected onto a screen by transmitting the coherent light through a series of light conducting optical fibers, preferably of varying length.

REFERENCES:
patent: H542 (1988-11-01), Werkheiser, Jr.
patent: 3753607 (1973-08-01), Kitano et al.
patent: 4113348 (1978-09-01), Yevick
patent: 4650279 (1987-03-01), Magee
patent: 4744615 (1988-05-01), Fan et al.
patent: 4904049 (1990-02-01), Hegg
patent: 4932752 (1990-06-01), Krashkevich et al.
patent: 4973128 (1990-11-01), Hodges
patent: 4978195 (1990-12-01), Takano et al.

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