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Proximity monitoring system

  • US 5,995,007 A
  • Filed: 11/25/1998
  • Issued: 11/30/1999
  • Est. Priority Date: 11/25/1998
  • Status: Expired due to Fees
First Claim
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1. A monitoring system comprising, in combination:

  • a wristband mount comprising of a sheet of flexible inelastic material with a uniform thickness, the wristband mount having a top face, a bottom face and a periphery formed therebetween defined by a pair of elongated generally rectangular side extents and a generally circular central extent, the top face of the wristband mount having pile fasteners lining a first one of the side extents and the central extent, the bottom face having a pile fastener lining a second one of the side extents, wherein the wristband mount is adapted for being removably attached to a wrist of a small child;

    an adhesive mount having a rigid planar generally circular configuration with a top face having a pile fastener mounted thereon and a bottom face having an adhesive formed thereon for being secured to a piece of luggage;

    a portable module having a disk-shaped configuration defined by a top face, a bottom face and a periphery formed therebetween with a size similar to that of the adhesive mount and the central extent of the wristband mount, the bottom face having a pile fastener mounted thereon for releasably securing to at least one of the mounts, the portable module including a green light emitting diode and a red light emitting diode each mounted to the top face of the portable module and adapted for illuminating upon the actuation thereof, the portable module further including a speaker for emitting an audible alarm upon the actuation thereof, the portable module further including a transceiver which is adapted to operate in a first mode upon the receipt of an activation signal during which the transceiver is adapted to continuously and unconditionally actuate the green light emitting diode and actuate the speaker and transmit an out-of-range signal during the lack of the receipt of a monitoring signal, the transceiver further adapted to only actuate the red light emitting diode upon the receipt of a deactivation signal; and

    a wrist-mounted monitoring unit including a disk-shaped central portion with a top face, a bottom face, and a periphery formed therebetween, the monitoring unit including a pair of generally rectangular flexible bands each having an inboard end hingably coupled to diametrically opposed sides of the periphery of the central portion and outboard ends with a buckle for coupling to a wrist of a user, the central portion having a green light emitting diode and a red light emitting diode each mounted to the top face for illuminating upon the actuation thereof, a transceiver connected to a push button on the periphery of the central portion for unconditionally and continuously actuating the green light emitting diode of the monitoring unit, instantaneously transmitting the activation signal from the transceiver of the monitoring unit, continuously transmitting the monitoring signal from the transceiver of the monitoring unit with an intensity for effecting transmission within a predetermined range, and actuate the speaker of the monitoring unit upon the receipt of the out-of-range signal thus giving an indication that the portable module is out of the predetermined range, the push button further adapted to only illuminate the red light emitting diode of the monitoring unit upon the subsequent depression thereof.

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