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Projector and image pickup apparatus

  • US 7,946,744 B2
  • Filed: 01/31/2008
  • Issued: 05/24/2011
  • Est. Priority Date: 02/02/2007
  • Status: Active Grant
First Claim
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1. A projector comprising:

  • a first plurality of light sources of a first wavelength;

    a second light source of a second wavelength,wherein the first wavelength and the second wavelength are different;

    wherein the first plurality of light sources and the second light source are disposed in a vehicle compartment in such positions that light of the first wavelength and light of the second wavelength projected therefrom forming a color mixture before reaching an observer;

    a camera for capturing at least a portion of the projected light reflected by a face of a driver of the vehicle; and

    a control means for controlling the first plurality of light sources and the second light source in conjunction with a shutter of the camera;

    wherein the control means controls the amount of light emitted through the first plurality of light sources and the second light source based on the condition of a driver on a light source-by-light source basis to thereby adjust the color mixture.

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