Electronic, acoustical tone generating communications system and

Details Electronic, acoustical tone generating communications system and Electronic, acoustical tone generating communications system and

1996-01-18

2000-02-08

Moise, Emmanuel L.

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

379 8813, 379 9315, 379 9337, 379444, H03M 1300, H04L 118, H04M 100

Patent

active

060237791

ABSTRACT:
A multi-function electronic messaging system for transmitting messages over a first communications link having a remote unit for generating forward error corrected signals representing various types of electronic messages, for generating acoustical tones corresponding to the error corrected signals is provided. The acoustical tones are coupled to the send-only first communications link and transferred to a computer. The computer sends an acknowledgement signal back to the user of the remote unit over the first communications link and decodes and error checks the signals. The computer also reformats the various messages and resends them out over various communication links depending on the ultimate destination of the message. The computer may also send messages to the remote unit over a receive-only second communications link. A multi-level method of error detecting and correcting data is also disclosed.

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Lin et al; Error Control Coding Fundamentals and Applications; Prentice-Hall, Inc.; pp. 12-13, Jan. 1983.

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