A GPS-based child-locator device can be securely locked to a child's wrist or ankle so as to be removable only by using one or more custom mechanical keys and/or resettable software keys/codes. This prevents the child-locator device from being disabled by being removed from the child during an abduc
A GPS-based child-locator device can be securely locked to a child's wrist or ankle so as to be removable only by using one or more custom mechanical keys and/or resettable software keys/codes. This prevents the child-locator device from being disabled by being removed from the child during an abduction. The GPS locator comprises a housing unit, a connecting band, by which the housing unit is attachable to a child, and a locking mechanism, by which the connecting band is lockably attachable to the housing unit. The GPS locator also utilizes a novel antenna design to achieve a very compact profile for the housing which contains the device's electrical components.
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1. A locking GPS-based locator device, wearable by a child, comprising: a housing unit, a connecting band, by which the housing unit is attachable to the child, and a locking mechanism, by which the connecting band is lockably attachable to the housing unit;wherein the housing unit, having a proxima
1. A locking GPS-based locator device, wearable by a child, comprising: a housing unit, a connecting band, by which the housing unit is attachable to the child, and a locking mechanism, by which the connecting band is lockably attachable to the housing unit;wherein the housing unit, having a proximal side and a distal side, defines a housing interior space, which contains a GPS module, a cellular module, one or more high-band antennas in electrical communication with the cellular module and the GPS module, a processing circuit, and a power source;wherein the connecting band has a distal end, which is fixedly connected to the distal side of the housing unit, and a proximal end, which is lockably attachable to the proximal side of the housing unit;wherein the connecting band contains one or more low-band antennas, which communicate electrically with the cellular module in the housing unit;wherein the GPS module, upon activation, is configured to receive satellite GPS location data and to transmit the GPS location data to the processing circuit, which converts the GPS location data to one or more outgoing locator message signals, in text or audible format, which signals are sent by the cellular module, through one or more of the high-band or the low-band antennas, to one or more designated contacts; andwherein the processing circuit includes a diplex filter in electrical communication with the cellular module, and wherein the diplex filter separates the outgoing locator message signals into high-pass frequencies and low-pass frequencies, and wherein the diplex filter directs the high-pass frequencies to one or more of the high-band antennas in the housing unit, and wherein the diplex filter directs the low-pass frequencies to one or more of the low-band antennas in the connecting band. 2. The locator device of claim 1, wherein the GPS module is activated in a response mode, through the processing circuit, by the cellular module responding to a location request, in text or audible format, received through one or more of the high-band or the low-band antennas. 3. The locator device of claim 2, wherein the GPS module is activated in a periodic mode by the processing circuit at designated intervals. 4. The locator device of claim 3, wherein the locking mechanism comprises a mechanical locking mechanism, and wherein the mechanical locking mechanism comprises an array of locking springs in the proximal side of the housing unit, which locking springs conjugately engage a cooperating array of band apertures in the proximal end of the connecting band, thereby locking the proximal end of the connecting band to the proximal side of the housing unit, and wherein the locking mechanism further comprises a flat key having a horizontal pattern of key projections corresponding to positions of the locking springs, which key projections are configured so that the key projections, upon the key being inserted, without turning, into a key opening between the locking springs and the band apertures, lift the locking springs and cause the locking springs to disengage from the cooperating band apertures, thereby releasing the proximal end of the connecting band from the proximal side of the housing unit. 5. The locator device of claim 3, wherein the locking mechanism comprises an electromagnetic locking mechanism, comprising an electromagnet in electrical communication with the power source and a spring compressively connected to a ferromagnetic plunger pin, and wherein, when the electromagnet is electrically de-energized, the spring forces the plunger pin to extend through a pin opening in the proximal side of the housing unit and to engage conjugately a cooperating band opening in the proximal end of the connecting band, thereby locking the proximal end of the connecting band to the proximal side of the housing unit, and wherein, when the electromagnet is electrically energized, the electromagnet attracts the plunger pin so as to draw the plunger pin away from the band opening and to cause the plunger pin to disengage from the band opening, thereby releasing the proximal end of the connecting band from the proximal side of the housing unit. 6. The locator device of claim 5, wherein the processing circuit contains a Near Field Communication (NFC) component, and wherein the electromagnet is electrically energized in response to an NFC-transmitted unlocking code.
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이 특허에 인용된 특허 (68)
Koren Izchak (49 Florence Avenue Bedfordview ; Transvaal Province ZAX) Gates Robert J. (19 Third Avenue ; Northmead ; Benoni ; Transvaal Province ZAX) Smith Craig J. (No 6 Beacon Royal ; Cnr. Grafton, Actuating device and key.
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