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Remotely programmable, vandal-resistant voice communications unit

  • US 5,475,751 A
  • Filed: 04/06/1994
  • Issued: 12/12/1995
  • Est. Priority Date: 10/02/1989
  • Status: Expired due to Fees
First Claim
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1. A remotely programmable voice communications unit, comprising:

  • transmitter means for transmitting a voice signal;

    receiver means for receiving a voice signal and for receiving a remotely generated programming signal initiated by a remotely located caller without any input from a user of said remotely programmable voice communications unit which is transmitted via a public telephone system, the remotely generated programming signal including telephone number data and control data;

    means for coupling the transmitter means and the receiver means with the public telephone system for respectively transmitting and receiving voice signals therethrough; and

    remotely programmable unit controller means for storing the telephone number data as a preprogrammed telephone number without any assistance from said user of said remotely programmable voice communications unit in response to the control data included in said remotely generated programming signal received by the receiver means and for controlling the operation of the transmitter means to automatically transmit the preprogrammed telephone number via the public telephone system in response to user actuation for establishing voice communication with a predetermined remotely located telephone unit.

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