Patent ID: 11923697
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 13:
14. A method of controlling a wireless power transmitting apparatus, the method comprising:
performing a communication connection with a wireless device positioned on an upper surface of a plate;
operating a first distance sensor and a second distance sensor provided around a driving area of the plate, wherein the first distance sensor and the second distance sensor protrude from the upper surface of the plate, and are positioned to face each other with a transmission coil as a center;
acquiring, by the first distance sensor and the second distance sensor, data about a distance to an object positioned on the upper surface of the plate;
acquiring, by a level sensor, first level data;
acquiring second level data from the wireless device;
determining whether a foreign material is present between the plate and the wireless device based on the data about the distance, the first level data, and the second level data; and
determining whether to transmit wireless power to the wireless device based on the determination whether the foreign material is present.