Impedance sensing epilator
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United States of America Patent
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-
Feb 8, 1983
Grant Date -
N/A
app pub date -
Jul 3, 1980
filing date -
Jul 3, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An epilator for treating a hair follicle of a subject utilizes a probe into which an RF pulse is applied. Shortly after the pulse is initiated, a measure of the impedance seen by the probe is determined and utilized for the purpose of adjusting the duration of the pulse such that the energy absorbed by the subject is independent of the impedance seen by the probe. As a consequence, the energy absorbed by the subject will have a predetermined maximum value substantially independent of the impedance seen by the probe.
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