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Person-monitoring system

  • US 9,740,898 B1
  • Filed: 08/09/2016
  • Issued: 08/22/2017
  • Est. Priority Date: 08/09/2016
  • Status: Active Grant
First Claim
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1. A proximity surveillance apparatus comprising:

  • an interrogator, a tag, and an accessory;

    wherein a communication link is established between the interrogator and the tag;

    wherein the communication link is established at predetermined intervals;

    wherein the communication link ensures that the tag is in the proximity of the interrogator;

    wherein the communication link further comprises an interrogation signal and a reflected signal;

    wherein the tag attaches to the accessory;

    wherein the proximity surveillance apparatus is adapted for use with a first person and a second person;

    wherein the first person carries the interrogator;

    wherein the second person wears the accessory with the tag;

    wherein should communication link fail to be established the interrogator initiates an alarm;

    wherein the interrogator comprises a personal data device that is configured to transmit the interrogation signal at a first predetermined radio signal frequency;

    wherein the personal data device is further configured to receive the reflected signal at a second predetermined radio frequency signal;

    wherein the first radio frequency and the second radio frequency are identical;

    wherein the personal data device further comprises a near field communication functionality;

    wherein the near field communication functionality physically generates the interrogation signal;

    wherein the near field communication functionality physically receives the reflected signal;

    wherein the near field communication functionality physically processes the reflected signal;

    wherein the tag comprises an RFID tag;

    wherein the RFID tag is an active RFID tag;

    wherein the RFID tag is powered by a battery;

    wherein the first predetermined radio signal frequency is 13.56 MHz;

    wherein the accessory comprises a housing, a fastener and a textile;

    wherein the housing is a rigid casing that contains the tag;

    wherein the fastener is a device that attaches the housing to the textile;

    wherein the fastener is selected from the group consisting of snaps, buttons, pins, and hook and loop fasteners;

    wherein the housing further comprises a capped tube and a closure;

    wherein the closure is a lid that is intended to close the open face of the capped tube;

    wherein the inner diameter of the capped tube is sized to receive the RFID tag and the battery;

    wherein the RFID tag and the battery are inserted in the capped tube;

    wherein the fastener is a hook and loop fastener;

    wherein the hook and loop fastener further comprises a first hook or loop surface and a second hook or loop surface;

    wherein the first hook or loop surface is attached to the textile with a sewn seam;

    wherein the second hook or loop surface is attached to the capped tube with an adhesive.

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