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BIOMETRIC CONTROL OF EQUIPMENT

  • US 20080223926A1
  • Filed: 03/03/2008
  • Published: 09/18/2008
  • Est. Priority Date: 03/01/2007
  • Status: Active Grant
First Claim
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1. An apparatus for allowing operation of equipment, the apparatus comprising:

  • a portable device, operable to transmit an authorization signal; and

    a base station, operable to receive the authorization signal,the portable device being operable to transmit the authorization signal at a lower power until the authorization signal is received by the base station, the portable device then transmitting the authorization signal at a higher power.

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