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Method and apparatus for limiting storage or transmission of visual information

  • US 6,801,642 B2
  • Filed: 06/26/2002
  • Issued: 10/05/2004
  • Est. Priority Date: 06/26/2002
  • Status: Active Grant
First Claim
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1. A method carried out at a user transmitter device, of limiting visual information that can be stored or transmitted using the user transmitter device, comprising:

  • capturing a visual image, the visual image having a background portion;

    detecting a control signal at the user device, the presence of said control signal being indicative that the user transmitter device is situated in a location in which imaging is restricted; and

    responsive to the user transmitter device detecting the control signal, obscuring at least the background portion of the visual image to produce an obscured visual image, so that at least the background portion of the visual information that can be stored or transmitted using the user transmitter device is obscured when the control signal is detected and not obscured otherwise.

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