INFORMATION STORAGE DEVICE FOR STORING PERSONAL IDENTIFICATION INFORMATION

An information storage device for storing and outputting personal identification information. The storage device includes memory and a controller. The memory stores personal identification information and memory access control information. The memory access control information includes a first set of tones. The controller includes an input device, an output device, and a microprocessor. The microprocessor causes the output device to output the stored personal identification information in response to the input device receiving a series of tones corresponding to the first set of tones of the memory access control information. The personal identification information can include biometric identification information. In one embodiment, a security system utilizes a plurality of information storage devices for controlling unauthorized access to a resource.