Patent ID: 9627129
Date: 2017-04-18
CPC Classifications: H01F,H02J

Claim:
1. A contactless power supply system comprising: a power supplying device including a primary coil and supplies high frequency current to the primary coil to generate an alternating magnetic flux; and a movable device including secondary coils that generate inductive voltage with the alternating magnetic flux, wherein the power supplying device is fixed when set, the movable device includes at least one accommodation area in which at least one electric device selected by a user is arranged, the movable device is held by at least one guide rail to be slidable within a fixed range, the movable device is coupled in a removable manner to the at least one guide rail, and the movable device is configured to be movable relative to the power supplying device and be able to supply power to the at least one electric device through at least one of the secondary coils, the secondary coils are arranged in a moving direction of the movable device relative to the power supplying device, when the primary coil includes a side having length A in the moving direction of the movable device relative to the power supplying device, the secondary coil includes a side having length C in the moving direction, an interval of the two secondary coils is distance B, and the movable device includes a side having length D in the moving direction, A, B, and C are set to satisfy A>B+2C, and A are further set to satisfy A<D.