Method and apparatus for compressing and displaying digital data

Details Method and apparatus for compressing and displaying digital data Method and apparatus for compressing and displaying digital data

1996-06-07

1998-03-03

Young, Brian K.

Coded data generation or conversion

Digital code to digital code converters

128698, 345134, G06F 1900, A61B 50444, H03M 730

Patent

active

057240329

ABSTRACT:
A method and an apparatus for compressing and displaying digital data, in particular beat-to-beat heart rate data in fetal monitoring, operates according to the principle of the "maximum absolute differences", i.e., the data discovered in a certain interval are compared with a start value, and the data with the highest absolute difference in relation to said start value is chosen as representative for the data discovered in such interval. This results in an effective data compression, without suppressing higher-frequency signal components--which are very important for certain applications--significantly.

REFERENCES:
patent: 4499548 (1985-02-01), Beebe
patent: 4634970 (1987-01-01), Payne et al.
patent: 4754205 (1988-06-01), Diller et al.
patent: 4920489 (1990-04-01), Hubelbank et al.
patent: 5123420 (1992-06-01), Paret
patent: 5266938 (1993-11-01), Mogi
IBM Technical Disclosure Bulletin, vol. 30, No. 12, May 1988.

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