Wireless Power Reception Device and Transmission Device Patent
Summary
USPTO granted patent US12592589B2 to LG Electronics Inc. for a wireless power reception device that uses authenticated link processes for secure charging initiation. The patent covers power pickup circuits forming magnetic coupling with transmission devices and communication/control circuits for managing wireless power transfer.
What changed
USPTO granted patent US12592589B2 to LG Electronics Inc. on March 31, 2026, for a wireless power reception device featuring a power pickup circuit and communication/control circuit that initiates authenticated link processes for charging. The patent (Application No. 17597503, filed June 5, 2020) covers 2 claims related to secure wireless power transmission using cryptographic authentication.
This is a routine patent grant notice with no compliance obligations. Technology companies developing wireless charging products may wish to review this patent to assess potential licensing needs or design-around considerations for their own wireless power devices.
Source document (simplified)
Wireless power reception device and wireless power transmission device
Grant US12592589B2 Kind: B2 Mar 31, 2026
Assignee
LG ELECTRONICS INC.
Inventors
Jaehyu Kim, Minsoo Lee, Jinkwon Lim, Jingu Choi
Abstract
According to one aspect of the present invention, a wireless power reception device includes: a power pickup circuit configured to form a magnetic coupling with a wireless power transmission device to receive wireless power from the wireless power transmission device; and a communication/control circuit configured to perform transmission control for the wireless power and at least one of data transmission and reception on the basis of communication with the wireless power transmission device, wherein the communication/control circuit can initiate a process for generating an authenticated link for charging by accepting only a connection request received within a prescribed authentication accept period.
CPC Classifications
H02J 50/12 H02J 50/402 H02J 50/60 H02J 50/80 H02J 7/00045 H04B 5/00 H04B 5/73 H04L 9/3066 H04L 9/3252 H04L 9/3271 H04L 63/18 H04W 12/04 H04W 12/06 H04W 12/069
Filing Date
2020-06-05
Application No.
17597503
Claims
2
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