发明名称 |
LIGHT EMITTING DEVICE AND DENTAL HANDPIECE DEVICE |
摘要 |
A light emitting device is provided in a dental handpiece device for illuminating an area in the vicinity of a dental care tool at a tip of the dental handpiece device. The light emitting device includes a light emitting section including a light emitting diode element and an electrode, and an electric power control section for controlling electric power to be supplied to the light emitting diode element via the electrode. The electric power control section includes an electric current restriction element for restricting an amount of electric current to be supplied to the light emitting diode element, and a reverse voltage prevention element for preventing a reverse voltage from being applied to the light emitting diode element.
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申请公布号 |
US2011151395(A1) |
申请公布日期 |
2011.06.23 |
申请号 |
US20100976083 |
申请日期 |
2010.12.22 |
申请人 |
J. MORITA MANUFACTURING CORPORATION |
发明人 |
ISHIHARA KEI;NUMAKAWA MAKOTO;JIKUHARA HIROFUMI |
分类号 |
A61B1/24 |
主分类号 |
A61B1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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