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Title:
METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION
Document Type and Number:
Japanese Patent JP2023134686
Kind Code:
A
Abstract:
To provide a method for controlling wireless power transmission in a wireless power transmitter for preventing a device from being damaged by a foreign object and for allowing seamless charging through adaptive transmission power control according to whether the foreign object is present.SOLUTION: The method includes a first packet reception phase of receiving a foreign object detection status packet, a first determination phase of determining whether the foreign object is present based on the foreign object detection status packet, and a power control phase of controlling power based on a determination result of the first determination phase. The power control phase includes a first power transfer mode for transmitting first power upon determining that the foreign object is present as the determination result of the first determination phase, and a second power transfer mode for transmitting second power upon determining that the foreign object is not present as the determination result of the first determination phase.SELECTED DRAWING: Figure 5

Inventors:
PARK YU-RI
KWON YONG-IL
Application Number:
JP2023116330A
Publication Date:
September 27, 2023
Filing Date:
July 14, 2023
Export Citation:
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Assignee:
LG INNOTEK CO LTD
International Classes:
H02J50/60; H02J50/12
Domestic Patent References:
JP2017209011A2017-11-24
JP2017511109A2017-04-13
JP2015536633A2015-12-21
JP2017099230A2017-06-01
Attorney, Agent or Firm:
Makoto Ono
Kennori Kanayama
Kazuki Shigemori
Kenji Ando
Hidehiko Ichikawa
Yoshie Sakurada
Yosuke Kawasaki
Youichi Iino
Yusuke Ichikawa
Yoshikazu Iwase



 
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