Hammer-like tool for relieving stiffness in the neck and shoulder
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United States of America Patent
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Jan 16, 1996
Grant Date -
N/A
app pub date -
Sep 7, 1994
filing date -
Sep 7, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hammer-like tool for relieving stiffness in the neck and shoulder with an improved therapeutic and prophylactic effect. A cylindrical space is provided in the head of the hammer-like tool, a free-flowing magnet provided in the cylindrical space, an induction coil provided near the periphery of the cylindrical space to surround it, a load coil provided near the face of the hammer-like tool, and a high-frequency oscillator circuit. The load coil generates a high-frequency electromagnetic wave by supplying an electromotive force to the load coil via the high-frequency oscillator when the magnet moves within the cylindrical space.
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