Optical apparatus

Details Optical apparatus Optical apparatus

2004-10-25

2008-12-30

Ye, Lin (Department: 2622)

Optical: systems and elements

Prism

With reflecting surface

C359S834000, C359S737000, C348S335000, C348S333080

Reexamination Certificate

active

07471477

ABSTRACT:
An optical apparatus including an optical system for bending an optical path in a first direction into a second direction substantially perpendicular to the first direction; and a prism for bending the optical path in the second direction with a plurality of reflecting surfaces so that the optical path spirals and leads into a third direction substantially perpendicular to the second direction.

REFERENCES:
patent: 4119980 (1978-10-01), Baker
patent: 6067195 (2000-05-01), Hirunuma et al.
patent: 6259564 (2001-07-01), Kamo
patent: 6314247 (2001-11-01), Mogamiya et al.
patent: 2002/0075449 (2002-06-01), Strahle
patent: 2005/0041133 (2005-02-01), Weigel
patent: 2000-338403 (2000-12-01), None
patent: 2002-040361 (2002-02-01), None
patent: 2002-350930 (2002-12-01), None

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