| 摘要 |
In accordance with the present invention, a method and an apparatus are provided wherein a device is disabled if the device is located more then a predetermined distance away from the owner. Accordingly, a lost or stolen device is rendered unusable. The device has coupled thereto a receiver or transceiver. A transmitter or transceiver is located separately from the device. When the receiver and transmitter can communicate, the device is usable, when the receiver and transmitter cannot communicate, the receiver disables the device, rendering the device unusable.
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