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.

Date of Patent:
Apr. 02, 2024

Filed:

Jun. 05, 2020
Applicant:

Renesas Electronics America Inc., Milpitas, CA (US);

Inventors:

Gustavo Mehas, Mercer Island, WA (US);

Nicholaus Smith, La Mesa, CA (US);

Tao Qi, San Diego, CA (US);

Jiangjian Huang, San Jose, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 9/04 (2006.01); H02J 50/10 (2016.01);
U.S. Cl.
CPC ...
H02H 9/04 (2013.01); H02J 50/10 (2016.02);
Abstract

A wireless transmitter coordinates changes in the transmitter's input or output voltages with changes in the transmitter's operating frequency to counteract the transmitter's output power changes while changing the voltages. When the voltages are being increased, the output frequency is moved away from the resonant frequency. Consequently, the output power increase due to the increased voltages is restrained by the frequency change. Before or after the voltage increase, increased output power can be obtained by changing the output frequency while the input and output voltages are held constant or near constant. Some embodiments follow similar procedures when reducing the transmitter's input or output voltages. Calibration is performed before power transfer to determine suitable voltage and frequency profiles for voltage change operations. Other features are also provided.


Find Patent Forward Citations

Mehas, Gustavo. (2024). Coordinating voltage and frequency changes in wireless power transfer (U.S. Patent No. 11949229). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11949229

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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