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Video projection apparatus and methods, with image content control

  • US 8,878,858 B2
  • Filed: 11/27/2013
  • Issued: 11/04/2014
  • Est. Priority Date: 02/03/2011
  • Status: Active Grant
First Claim
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1. An image projection and control system, comprising:

  • a device including a projector and a display controller operative to project an image onto a surface;

    an image sensor operative to view the projected image on the surface;

    a handheld device outputting a beam of visible light;

    a memory in communication with the controller for storing information regarding one or more predetermined visual interactions between the projected image and light from the handheld device; and

    wherein the controller is operative to perform the following functions;

    (a) receive information from the image sensor regarding the presence or movement of light from the handheld device interacting with the projected image on the surface, and(b) implement a control function if the light from the handheld device interacts with the projected image in accordance with one of the stored predetermined visual interactions, the control function causing a change in the content of the projected image.

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