Power feeding system, power feeding device, power feeding method, and program

The power supply system addresses the issues of radio wave irradiation and battery depletion by dynamically switching power targets based on operator presence, ensuring safe and efficient operation.

JP2025097569APending Publication Date: 2025-07-01KK TOSHIBA
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Patent Information

Application Number
JP2023213815
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-12-19
Publication Date
2025-07-01

AI Technical Summary

Technical Problem

Existing power supply systems for wireless devices risk irradiating operators with radio waves and can lead to secondary battery depletion.

Method used

A power supply system with multiple power receiving units and communication units that adjust power transmission based on reception levels, avoiding irradiation by switching power to alternative units when an operator is detected and ensuring efficient battery charging.

Benefits of technology

Prevents radio wave exposure to operators while maintaining efficient battery charging by dynamically switching power supply targets, reducing the risk of battery depletion.

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Abstract

To provide a power feeding system, a power feeding device, a power feeding method, and a program for avoiding irradiation of radio waves to a human body and preventing a power feeding target from being short of power.SOLUTION: The power feeding system has: a plurality of power receiving parts that receive radio waves; a plurality of communication parts corresponding to the plurality of power receiving parts; and a power feeding part capable of transmitting electric power by radio waves to a first power receiving part included in the plurality of power receiving parts. A first communication unit corresponding to the first power receiving part of the plurality of communication parts transmits reception information representing a reception level of the first power receiving parts to the power feeding part. If the reception level is equal to or less than a first reference value, the power feeding part stops transmitting power to the first power receiving part, transmits power to a second power receiving part different from the first power receiving part, then stops transmitting power to the second power receiving part, and then resumes transmitting power to the first power receiving part.SELECTED DRAWING: Figure 5
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Citation Information

Patent Citations

  • Power transmission control device, mobile device, power transmission device, power reception device, power transmission control method, power transmission method, power transmission control program, and power transmission program

    JP2021170919A