Projection image display apparatus

Details Projection image display apparatus Projection image display apparatus

2009-03-20

2010-11-16

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S207100, C359S215100

Reexamination Certificate

active

07835053

ABSTRACT:
Disclosed is a projection image display apparatus to display an image by projecting a light from a light source to a screen including a scan mirror to scan the light from the light source by vibrating in a sine vibration manner at least in an one-dimensional direction and a correction lens which is disposed between the scan mirror and the screen and which corrects a deflection angle of the light scanned by the scan mirror at least in the one-dimensional direction, and the correction lens carries out a correction so that the larger a scan angle of the scan mirror is, the larger the deflection angle is to be by the correction.

REFERENCES:
patent: 6980367 (2005-12-01), Yamamoto
patent: 2007/0176084 (2007-08-01), Shyu et al.
patent: 2008/0143979 (2008-06-01), Konno
patent: 10 2004 063 554 (2006-07-01), None
patent: 1 566 972 (2005-08-01), None
patent: 2001-281583 (2001-10-01), None
patent: 2004-279644 (2004-10-01), None
patent: WO 2009/003510 (2009-01-01), None
European Search Report dated Jun. 26, 2009 (six (6) pages).

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