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Title:
BASE LINE FLUCTUATION SUPPRESSING DEVICE FOR ELECTROCARDIOGRAM
Document Type and Number:
Japanese Patent JPH02265529
Kind Code:
A
Abstract:

PURPOSE: To regenerate the electrocardiogram which is recorded for a long period with reference to the base line whose fluctuation is suppressed, by installing a high speed digital filter which cuts off the low frequency components corresponding to the fluctuation of the base line over a number of orders at a high speed in the electrocardiogram wave form.

CONSTITUTION: A Holter electrocardiograph regenerator 1 which receives the electrocardiogram data recorded on a Holter electrocardiograph recorder HM outputs the data at a high speed through multichannels. In each channel an A/D converter 2 is provided, which converts the analogue signal corresponding to the electrocardiogram wave form recorded over a long period to digital signal and outputs said signal. A high speed digital filter 3 is connected with the output side of the A/D converter 2. The high speed digital filter 3 receives the high speed digital signal corresponding to the recorded electrocardiogram wave form supplied from the A/D converter 2 and cuts off the low frequency component corresponding to the fluctuation of the base line of the electrocardiogram wave form over a number of orders at a high speed, and outputs the remaining wave form component of the electrocardiogram is the form of the digital signal having the linear phase characteristic.


Inventors:
TOYAMA JUNJI
YOKOCHI YUTAKA
KAMEI TOMONARI
TANAKA KIKUTO
Application Number:
JP8776589A
Publication Date:
October 30, 1990
Filing Date:
April 06, 1989
Export Citation:
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Assignee:
SUZUKEN KK
International Classes:
A61B5/308; (IPC1-7): A61B5/0428
Domestic Patent References:
JPS52138168A1977-11-18
JPS58159725A1983-09-22
JPS63139530A1988-06-11
JPS5122771A1976-02-23
Attorney, Agent or Firm:
Hidehiko Okada (3 others)