Device for low-frequency electrotherapy
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United States of America Patent
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Oct 2, 1990
Issued Date -
N/A
app pub date -
May 1, 1989
filing date -
Aug 31, 1986
priority date (Note) -
Expired
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Abstract
A device for low-frequency electrotherapy wherein the output current of a low-frequency oscillator is applied to the subject's body through a pair of electrodes placed on the subject's body, comprising a first oscillator circuit that generates a low-frequency square wave voltage when the load is in connection with the electrode pair; and a second oscillator circuit that generates a therapeutic voltage when the output voltage of the first oscillator circuit is not zero.
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