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Control of emissions by devices in sensitive environments

  • US 6,603,397 B2
  • Filed: 03/14/2001
  • Issued: 08/05/2003
  • Est. Priority Date: 03/14/2001
  • Status: Expired due to Fees
First Claim
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1. A method of controlling emissions in an environment where a plurality of users may operate mobile devices that generate emissions, the method comprising:

  • determining a level of emissions for the environment;

    transmitting at least one signal from a control device to at least one mobile device in the environment, the at least one signal indicating a level of functionality required for the mobile device in the environment based on the determining step;

    transmitting a warning signal from the control device to said at least one mobile device to warn the user of the at least one mobile device;

    monitoring with the control device the environment for compliance with the warning signal; and

    transmitting from the control device to said at least one mobile device a control signal requiring a reduction in functionality of said at least one mobile device if the control device detects the level of emissions is not in compliance with the warning signal.

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