Foldable and flexible ultrasonic vibration mask for teeth cleaning
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United States of America Patent
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Nov 15, 2016
Grant Date -
Feb 4, 2016
app pub date -
Jul 31, 2014
filing date -
Jul 31, 2014
priority date (Note) -
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Abstract
A foldable and flexible ultrasonic vibration mask for cleaning teeth comprises two upper devices and two lower devices. Each upper device comprises a flexible substrate, coils configured to generate ultrasonic sound and formed on the flexible substrate, coils configured to generate audible sound and formed on the flexible substrate, a resonance chamber attached to the flexible substrate and including a magnetic alloy. Each lower device includes a flexible substrate, coils configured to generate ultrasonic sound and formed on the flexible substrate, and a resonance chamber attached to the flexible substrate and including a magnetic alloy. The flexible substrates of the two upper devices are fixed together. The flexible substrates of each upper device and a corresponding lower device are fixed together. The flexible substrates of the two lower devices are fixed together.
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