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Projection type image-displaying system, projection type image-displaying apparatus, and lamp lighting-controlling method

  • US 20070165193A1
  • Filed: 07/14/2006
  • Published: 07/19/2007
  • Est. Priority Date: 01/19/2006
  • Status: Abandoned Application
First Claim
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1. A projection type image-displaying system, comprising:

  • a first terminal apparatus for outputting first image signals;

    a second terminal apparatus for outputting second image signals;

    a projection type image-displaying apparatus; and

    a screen having a projection surface on which image lights are projected;

    the projection type image-displaying apparatus comprising;

    a disk-like color wheel constituting a plurality of color filters including a plurality of color segments for transmitting lights having colors different from one another, respectively;

    a lamp for radiating a light to the disk-like color wheel, thereby generating lights having transmission colors corresponding to the plurality of color filters, respectively;

    a lamp-controlling portion for superimposing a control current on a driving current for the lamp for a period of time for which the light is radiated from the lamp to one selected among the plurality of color filters;

    an optical modulation portion for being driven in accordance with the first image signals or the second image signals to reflect the lights transmitted through the plurality of color filters, respectively, in accordance with the image signals, thereby generating the image lights; and

    a control portion connected to the first and second terminal apparatuses for causing an image adjustment menu to be projected on the screen in accordance with a user manipulation, the image adjustment menu having set contents to vary the superimposition of the control current on the driving current in correspondence to the first image signals or the second image signals.

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