Ultrasonic beautifying device

An ultrasonic and beauty device technology, applied in the field of ultrasonic beauty devices, can solve problems such as user discomfort, inability to obtain sufficient effects, and temperature rise.
CN1166421CInactive Publication Date: 2004-09-15MATSUSHITA ELECTRIC WORKS LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
MATSUSHITA ELECTRIC WORKS LTD
Publication Date
2004-09-15
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

An ultrasonic beautifying device suppressing unnecessary temperature elevation at a part where a probe is brought into contact with the skin. Since the electrical impedance of an ultrasonic vibrator may vary according to the contact or non-contact of an application member with the skin, a detection circuit detects the contact or non-contact of the application member with the skin by converting the current the ultrasonic vibrator current into a voltage, and a comparator compares this voltage with a reference voltage. When contact is detected by the detection circuit, a constant-voltage circuit sets the level of the constant voltage output to the ultrasonic oscillation circuit at a standard voltage, but when non-contact is detected, the constant voltage is switched to a lower-level constant voltage.
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Description

technical field

[0001] The invention relates to an ultrasonic beauty device. Background technique

[0002] An example of a conventional ultrasonic beauty device is disclosed in Japanese Model No. 3013614. In this conventional example, after applying specific cosmetics on the face, etc. in advance, a probe for ultrasonic irradiation is brought into contact with the applied part to irradiate ultrasonic waves, in order to promote the penetration of cosmetics into the skin effects. Here, ultrasonic waves are always output from the probe regardless of whether the skin-contacting surface of the probe is actually in contact with the skin.

[0003] However, in the above-mentioned conventional example, as long as the skin-contacting surface of the probe is in contact with the skin, the ultrasonic vibration will be transmitted, but if the probe is in wrong contact with the skin, the ultrasonic vibration will not be transmitted. and cannot obtain sufficient effect. In addition, sin...

Claims

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