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Remote confinement system

  • US 4,843,377 A
  • Filed: 04/21/1987
  • Issued: 06/27/1989
  • Est. Priority Date: 04/21/1987
  • Status: Expired due to Term
First Claim
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1. A method for determining from a central office the presence of a specified prisoner at a remote location where the prisoner is in unsupervised confinement, and for ascertaining the prisoner'"'"'s compliance with a substance abuse restriction, said method comprising the steps of:

  • performing on a person at the remote location an unsupervised test for the effects of use of the restricted substance;

    generating at the remote location a signal carrying information of a result of said test;

    generating at the remote location a signal carrying information of the identity of the tested person; and

    transmitting the generated signals from the remote location to the central office.

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