Patent ID: 8787831

Claim:
A smart data storage apparatus applied to a handheld device, the smart data storage apparatus including: a dual interface memory unit; a data storage unit electrically connected to the dual interface memory unit; and an antenna unit electrically connected to the dual interface memory unit, wherein the dual interface memory unit includes: a communication bus interface subunit electrically connected to the data storage unit; a memory subunit electrically connected to the communication bus interface subunit; a radio frequency interface subunit electrically connected to the memory subunit and the antenna unit; a current-to-voltage converting subunit electrically connected to the radio frequency interface subunit; and a voltage regulating subunit electrically connected to the memory subunit and the current-to-voltage converting subunit, wherein a wireless signal is sent from the handheld device to the antenna unit; the wireless signal is a radio frequency identification signal, or a near field communication signal; the wireless signal is induced to generate an induced current by the antenna unit; the induced current is sent from the antenna unit to the radio frequency interface subunit; the induced current is sent from the radio frequency interface subunit to the current-to-voltage converting subunit; the induced current is converted into an induced voltage by the current-to-voltage converting subunit; the induced voltage is sent from the current-to-voltage converting subunit to the voltage regulating subunit; the induced voltage is regulated into a driving voltage by the voltage regulating subunit; the driving voltage is sent from the voltage regulating subunit to the memory subunit to drive the memory subunit; a memory data is fetched from the memory subunit to the radio frequency interface subunit; the memory data is sent from the radio frequency interface subunit to the antenna unit; the memory data is sent from the antenna unit to the handheld device.