DISCONNECTION SPARK DETECTING CIRCUIT FOR PHYSICAL TREATMENT DEVICE

PROBLEM TO BE SOLVED: To provide a disconnection spark detecting circuit for a physical treatment device which can securely detect a disconnection spark caused by a defective contact of a treatment guide. SOLUTION: This disconnection spark detecting circuit 5 is inserted into the output line 2 of a...

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Bibliographic Details
Main Author KURIKI REIJI
Format Patent
LanguageEnglish
Published 17.08.1999
Edition6
Subjects
ELECTROTHERAPY
HUMAN NECESSITIES
HYGIENE
MAGNETOTHERAPY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
MEDICAL OR VETERINARY SCIENCE
PHYSICS
RADIATION THERAPY
TESTING
ULTRASOUND THERAPY
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Summary:PROBLEM TO BE SOLVED: To provide a disconnection spark detecting circuit for a physical treatment device which can securely detect a disconnection spark caused by a defective contact of a treatment guide. SOLUTION: This disconnection spark detecting circuit 5 is inserted into the output line 2 of a physical treatment device. The disconnection spark detecting circuit 5 consists of a detection transformer 6 and a rectification/ integration circuit 7 which rectifies and integrates a disconnection spark voltage detected by the transformer 6 to make detection outputs. Two equally-divided first coils 6p1 and 6p2 are wound around the output line 2 so that the coils 6p1 and 6p2 generate magnetic flux in reverse directions to each other, and a disconnection spark in the output line 2 is detected by the detection transformer 6 which takes out signals from a secondary coil 6s. In this way, a disconnection in the output line can be securely detected.
Bibliography:Application Number: JP19980026230