| 摘要 |
PROBLEM TO BE SOLVED: To provide a non-contact feeder system for automatic doors capable of supplying the power of an external power supply to various kinds of sensors attached to a door side and a control unit in a non-contact system sufficiently in an automatic door. SOLUTION: The non-contact feeder system for automatic doors supplies the power of the external power supply provided at a transom side to equipment attached to a door side in a non-contact system, and has a feeding section provided at the transom side and a charge section provided at the door side. The feeding section has a high-frequency oscillation circuit connected to the external power supply and a feeding coil to which a cylindrical magnetic body core is mounted. The charge section has a charge coil that is an air-core coil. When no power is supplied, the feeding coil is separated from the charge one. When power is supplied, the feeding coil to which the cylindrical magnetic body core is mounted can be loaded into the power receiving coil that is the air-core coil. COPYRIGHT: (C)2008,JPO&INPIT
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