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Enabling voice control of voice-controlled apparatus using a head mounted camera system

  • US 6,970,824 B2
  • Filed: 12/04/2001
  • Issued: 11/29/2005
  • Est. Priority Date: 12/05/2000
  • Status: Expired due to Term
First Claim
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1. A method of enabling voice control of an apparatus provided with a voice-control subsystem including a speech recognizer, the method comprising:

  • (a) detecting when a user is looking towards the apparatus by using a camera system mounted on the user'"'"'s head and arranged to point in the direction the user is facing or looking, images produced by the camera system being processed by an image processing subsystem to determine if the camera system is pointing towards the apparatus; and

    (b) initially enabling voice control of the apparatus by its voice-control subsystem only when the user is detected in step (a) as looking towards the apparatus.

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