Optics: image projectors – Lens support – Lens position adjustable
Reexamination Certificate
2006-10-17
2010-10-26
Epps, Georgia Y (Department: 2878)
Optics: image projectors
Lens support
Lens position adjustable
C353S102000, C359S813000, C359S819000, C362S319000, C362S269000
Reexamination Certificate
active
07819532
ABSTRACT:
A projector includes a light source device, a light modulation device, and an exterior casing. The projector is arranged so as to be installed in a desktop mount position and a ceiling suspension position. The light source device includes an elliptic reflector having a nearly ellipsoidal reflection surface and converging and outputting a luminous flux radiated from a light source lamp in a certain direction, and a parallelizing lens that parallelizes the converged light of the elliptic reflector, and a lens supporting part that supports the parallelizing lens and makes a position of the parallelizing lens relative to the light source device main body changeable according to the position of the projector is provided.
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Iinuma Kazuyuki
Uchida Masaki
Uehara Katsuyuki
Epps Georgia Y
Howard Ryan
Oliff & Berridg,e PLC
Seiko Epson Corporation
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