Optical scanning apparatus and projecting apparatus

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element

Reexamination Certificate

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Details

C359S298000, C359S636000, C348S759000, C353S098000

Reexamination Certificate

active

07075692

ABSTRACT:
The present invention provides an optical scanning apparatus which has a light modulating element capable of changing the propagating state of light, an illuminating optical system for illuminating the light modulating element with light, and a scanning optical system for scanning the light from the light modulating element, the scanning optical system having a light deflector for selectively deflecting a beam of the light from the light modulating element which propagates in a predetermined direction, and which is made more compact than in the prior art.

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patent: 5311360 (1994-05-01), Bloom et al.
patent: 5418546 (1995-05-01), Nakagakiuchi et al.
patent: 5689283 (1997-11-01), Shirochi
patent: 5777589 (1998-07-01), Gale et al.
patent: 5982553 (1999-11-01), Bloom et al.
patent: 6078420 (2000-06-01), Macken
patent: 6215579 (2001-04-01), Bloom et al.
patent: 6585379 (2003-07-01), Yokoyama et al.
patent: 5-127113 (1993-05-01), None
patent: 6-324320 (1994-11-01), None
patent: 9-90402 (1997-04-01), None

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