Optics: image projectors – Cabinet encloses projector and one side of screen – Reflector between lamp and screen
Reexamination Certificate
2004-06-04
2009-02-10
Dowling, William C. (Department: 2851)
Optics: image projectors
Cabinet encloses projector and one side of screen
Reflector between lamp and screen
C353S098000, C353S097000, C353S078000
Reexamination Certificate
active
07488077
ABSTRACT:
The invention relates to a projection objective comprising at least one lens and intended to transmit a divergent light beam onto a flat screen. A hyperbolically shaped mirror is oriented so as to receive, on its convex face, the light emanating from the lens.The invention also relates to a corresponding projection apparatus.
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Search Report Dated Oct. 6, 2004.
Benoit Pascal
Sacre Jean-Jacques
Sarayeddine Khaled
Dowling William C.
Fried Harvey D.
Laks Joseph J.
Thomson Licensing
Verlangieri Patricia
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