Liquid crystal projector
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 2, 2002
Grant Date -
N/A
app pub date -
Jan 31, 2000
filing date -
Jan 29, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A projector that can project a picture up and down on a screen free from the trapezium deformation, and allows the projection lens to be exchanged with other projection lens by an easy operation from outside of the front panel, without necessitating dismounting of any of the internal structure of projection apparatus. Projection lens shifts its standing up and down in accordance with revolving of a revolving knob disposed on the upper part of the projection apparatus. For the exchange of projection lens, a projection lens can be unscrewed and detached from the outer cylindrical section 9-2 of lens holding member 9 by turning the inner barrel 8 from outside the cabinet at the front.
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Family
International Classification(s)
Cited Art Landscape
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