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Low-light viewing device for displaying image based on visible and near infrared light

  • US 7,795,574 B2
  • Filed: 01/16/2008
  • Issued: 09/14/2010
  • Est. Priority Date: 02/23/2004
  • Status: Expired due to Fees
First Claim
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1. A low-light viewing device, comprising:

  • a housing, having mounted thereto;

    a lens having an F number of less than about 1, and a T number of less than about 1.5;

    a single image sensor for receiving light comprising visible light and near infrared light, said light focused by the lens along a single channel onto said single image sensor, said single image sensor providing an output signal responsive to visible light and near infrared light received by the lens;

    a display for receiving the output signal and displaying an image based on the image detected by the single image sensor responsive to visible light and near infrared light received by the lens;

    a controller operatively coupled to the image sensor and the display for controlling the image sensor and the display, anda user interface operatively coupled to the controller for operating the controller.

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