Method and apparatus for securing data communication

Details Method and apparatus for securing data communication Method and apparatus for securing data communication

H - Electricity

04

L

H04L 27/30 (2006.01) H04M 11/06 (2006.01)

Patent

CA 2309096

An auto-dialer suitable for use as a smart card capable of being acoustically coupled to a telephone and being reprogrammed in response to acoustic signals. The auto-dialer is comprised of a dual tone multi-frequency (DTMF) encoder, a DTMF decoder, a microprocessor, an input device, a read only memory (ROM), a random access memory (RAM) and a speaker/microphone. The programming and other features of the auto-dialer can be enabled or disabled by the auto-dialer in response to persecuted signals comprising a string of DTMF tones. Alternatively, the housing for the auto-dialer can be configured as having a generally saucer shaped head assembly for housing a speaker and an elongated handle. The auto-dialer can also be used as a security device for controlling unauthorized access to resource, a telephone security device and an information storage device incorporating biometric information.

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