Apparatus and method for encoding and decoding information in an

Details Apparatus and method for encoding and decoding information in an Apparatus and method for encoding and decoding information in an

1996-04-03

1998-10-27

Young, Brian K.

Coded data generation or conversion

Digital code to digital code converters

To or from particular bit symbol

H03M 700

Patent

active

058283250

ABSTRACT:
A method and apparatus for encoding information symbols onto an analog host signal modifies signal peaks of the host signal to fall within predetermined amplitude bands. A set of symbols is defined wherein each symbol corresponds to a defined number of signal peaks or to a particular value of signal peak within a band. An additional information channel may be created by altering polarity changes of signal peaks in accordance with predetermined polarity sequences to represent a second set of defined symbols.

REFERENCES:
patent: 4706282 (1987-11-01), Knowd
patent: 4972471 (1990-11-01), Gross et al.
patent: 4979210 (1990-12-01), Nagata et al.
patent: 5251041 (1993-10-01), Young et al.
patent: 5402488 (1995-03-01), Karlock

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