Condenser lens, polarizing element, light source apparatus, and

Details Condenser lens, polarizing element, light source apparatus, and Condenser lens, polarizing element, light source apparatus, and

1994-09-27

1997-03-25

Dowling, William

Optics: image projectors

Particular condenser

362309, G03B 2100

Patent

active

056137494

ABSTRACT:
A light source apparatus using a condenser lens satisfying either condition (1) or (2).

REFERENCES:
patent: 3915568 (1975-10-01), Yamada et al.
patent: 4571034 (1986-02-01), Nakamura
patent: 4641929 (1987-02-01), Braat
patent: 4671623 (1987-06-01), Chikuma
patent: 4729645 (1988-03-01), Suda
patent: 4743093 (1988-05-01), Oinen
patent: 4842388 (1989-06-01), Tanaka et al.
patent: 5087115 (1992-02-01), Ishibai et al.
patent: 5123729 (1992-06-01), Kondo et al.
patent: 5162949 (1992-11-01), Kubota
patent: 5313234 (1994-05-01), Edmonson et al.
"Laser and Optics Guide II" Japan Melles Griot Inc., pp. 122-124, Jun. 1989 .

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