Foreign object detection device, power transmission device, power reception device, and power transmission system

A foreign object detection device includes a plurality of coils (240) each including a first conductive pattern mounted on one surface of a detection coil substrate (220) to be excited and thus generate a vibration signal, a detector (26) to detect the existence of a foreign object on the basis of t...

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Bibliographische Detailangaben
Hauptverfasser:	Gotani, Akira, Kondo, Kazuki
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A foreign object detection device includes a plurality of coils (240) each including a first conductive pattern mounted on one surface of a detection coil substrate (220) to be excited and thus generate a vibration signal, a detector (26) to detect the existence of a foreign object on the basis of the vibration signal, a first connecting line (230) to connect one terminals (T1) of the individual coils (240) to the detector (26), and a second connecting line (232) to connect the other terminals (T2) of the individual coils (240) to the detector (26). The first connecting line (230) and the second connecting line (232) extend in substantially identical paths in at least segments mounted on the detection coil substrate (220).