Multi-function portable communication device
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United States of America Patent
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-
Feb 20, 2007
Grant Date -
May 18, 2006
app pub date -
Nov 15, 2004
filing date -
Nov 15, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The portable device comprises a control IC imbedded in the portable device and a RF module coupled to the control IC for wireless communication. A display and an input unit are coupled to said control IC. Memory is coupled to the control IC to store data and a projection display module is coupled to said control IC for the data projection. The projection display module includes three liquid crystal panels that perform image displays in red, green, and blue, respectively; light emitting sources employed and positioned in correspondence with the liquid crystal panels, respectively. A dichroic prism is used for each display color combination, wherein the liquid crystal panels and the said light emitting sources are positioned on the light-incidence side of the side surfaces of said dichroic prism. A projection lens is provided on the light emission side of the dichroic prism.
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