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Controlling Use Of Devices In Large Restricted Areas

  • US 20080220715A1
  • Filed: 03/09/2007
  • Published: 09/11/2008
  • Est. Priority Date: 03/09/2007
  • Status: Abandoned Application
First Claim
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1. A system covering a large area, said system comprising:

  • a plurality of devices located in said large area, each device being designed to use an information signal according to the intended use of said information signal; and

    a usage specification device sending a control signal which is designed to limit use of said information signal by said plurality of devices, wherein said control signal is sent on a wireless medium,said plurality of devices receiving said control signal, decoding the information in said information signal, and limiting use of said information signal according to said control signal,wherein the source of said information signal is physically separate from said usage specification device.

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