Bio-logic Systems Corp.

Jay M Stein

A method and apparatus for compressing a data vector of a predetermined number of data points. The apparatus includes a memory for storing the compressed data vector, a first comparator for determining a largest and smallest data point of the data vector and a second comparator for comparing the largest and smallest data point and when they are equal, causing a first data point of the data vector to be stored in the memory as the compressed data vector. The apparatus also includes a first processor for determining a data field width necessary to uniquely describe a largest relative magnitude data point and a second processor for storing the data points of the data vector as the compressed vector in data fields of memory of the data field width. The apparatus also includes a comparator and register for creating a difference vector of difference values of adjacent data points of the data vector, a first processor for determining a data field width necessary to uniquely describe a largest magnitude difference value of the difference vector, and a second processor for storing the difference points of the difference vector as the compressed vector in data fields of the memory of the determined field width along with a magnitude and sign of the first data point of the data vector.

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Vernon Hills, IL, United States of America

Jay M Stein