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System for projecting content to a display surface having user-controlled size, shape and location/direction and apparatus and methods useful in conjunction therewith

  • US 10,528,154 B2
  • Filed: 01/02/2017
  • Issued: 01/07/2020
  • Est. Priority Date: 02/23/2010
  • Status: Active Grant
First Claim
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1. A system comprising:

  • at least two finger wearable devices, each comprising;

    a button,a plurality of light sources,a radio frequency (RF) transmitter, anda controller configured to transmit one or more commands via said RF transmitter responsive to said button being pressed, the one or more commands including a state selection identifying a state from a plurality of states, with each state selecting a specific light source of the plurality of light sources that emits light so different light sources emit light in different states, one or more of the plurality of states corresponding to the button being halfway depressed and remaining states of the plurality of states corresponding to the button being fully pressed, wherein the at least two finger wearable devices are each configured to have a body having a longitudinal axis and a transverse axis, wherein the longitudinal axis has an opening at at least one end,wherein the longitudinal axis has a greater length than the transverse axis, so that the at least two finger wearable devices are each worn as a sleeve by a user;

    a camera;

    an RF receiver; and

    a computer coupled to said camera and said RF receiver, wherein said computer is configured to;

    cause a screen to display visual content, detect, using said camera;

    the light emitted by said light sources, and locations from which said light sources emit the light,receive the one or more commands from at least one of the two finger wearable devices via said RF receiver,trigger different input functionalities in said computer based on;

    the received one or more commands, and the detected locations from which said light sources emit the light.

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