| 摘要 |
An apparatus includes a device which is capable of performing a function, and which is responsive to receipt of a predetermined wireless signal for nondestructively rendering itself incapable of thereafter performing the function. In one form of the invention, the capability of the device to perform the function can be restored by the occurrence of a secure event originating externally of the device. In a different form of the invention, the device includes a memory, and information stored in the memory is erased in order to render the device incapable of performing the function.
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