| 摘要 |
Methods, systems, and articles of manufacture for managing possession of a financial card product are disclosed. The system consists of a transmitting device, where the transmitting device is capable of being attached to a financial card product and transmitting a pulsed electromagnetic signal. The system also consists of a separate receiving device, where the receiving device comprises a sensor for detecting the electromagnetic signal, logic for processing the electromagnetic signal, and an alarm circuit such that the receiving device actuates the alarm circuit when the sensor senses that the receiving device is moved away from the transmitting device for longer than a predetermined time.
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