The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 2022
Filed:
Apr. 20, 2021
Renesas Electronics America Inc., Milpitas, CA (US);
Gustavo Mehas, Mercer Island, WA (US);
Changjae Kim, San Jose, CA (US);
Nicholaus Smith, La Mesa, CA (US);
Pooja Agrawal, Milpitas, CA (US);
Renesas Electronics America Inc., Milpitas, CA (US);
Abstract
According to some embodiments, a wireless power transmitter is disclosed. The wireless power transmitter can include a plurality of transmission coils arranged to cover a charging area and coupled with a ferrite; a plurality of local power controllers, each of the plurality of local power controllers coupled to drive a subset of the plurality of transmission coils, each subset of the plurality of transmission coils including a plurality of the plurality of transmission coils; and a microcontroller unit (MCU) coupled to the plurality of local power controllers, the microcontroller unit including a MCU processor executing instructions to designate states of each of the plurality of transmission coils, the states including active, de-active, and selected for receiver detection, and executing instructions to transmit instructions to each of the plurality of local power controllers in accordance with the state designations.