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Marine asset security and tracking (MAST) system

  • US 7,394,381 B2
  • Filed: 05/06/2004
  • Issued: 07/01/2008
  • Est. Priority Date: 05/06/2004
  • Status: Expired due to Fees
First Claim
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1. A method, comprising transmitting identification data, location data and environmental state sensor data from a radio frequency tag,wherein the radio frequency tag adjusts, with regard to the environmental state sensor data, a set point to lower power consumption,wherein the radio frequency tag can be switched to a transceiver mode that permits tag to tag communication andwherein the radio frequency tag is switched to the transceiver mode when an alarm state is activated.

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