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:
Jun. 18, 2019
Filed:
Jan. 20, 2017
Applicant:
Mediatek Inc., Hsin-Chu, TW;
Inventors:
Patrick Stanley Riehl, Lynnfield, MA (US);
Hasnain Akram, Burlington, MA (US);
Philip Frank Tustin, North Andover, MA (US);
Assignee:
MediaTek Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 50/12 (2016.01); H03F 3/217 (2006.01); H03F 3/24 (2006.01); H02J 50/40 (2016.01); H02J 50/60 (2016.01); H02J 7/02 (2016.01);
U.S. Cl.
CPC ...
H02J 50/12 (2016.02); H02J 7/025 (2013.01); H02J 50/40 (2016.02); H02J 50/60 (2016.02); H03F 3/2176 (2013.01); H03F 3/245 (2013.01);
Abstract
A wireless power transmitter includes an inverter in which a voltage varies in response to a resonant network and circuitry configured to (A) measure a characteristic indicative of a load seen by the wireless power transmitter, (B) determine a duty cycle of the inverter based upon the characteristic, and (C) switch the inverter with the determined duty cycle.