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:
Mar. 23, 2021
Filed:
Oct. 08, 2015
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Ali Abdolkhani, Auckland, NZ;
Aiguo Hu, Auckland, NZ;
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 38/14 (2006.01); H02J 17/00 (2006.01); H02J 50/12 (2016.01); H02J 7/02 (2016.01); H02J 50/40 (2016.01);
U.S. Cl.
CPC ...
H02J 50/12 (2016.02); H02J 7/025 (2013.01); H02J 50/40 (2016.02);
Abstract
An inductive power transmitter comprising a plurality of autonomous resonant inverters, wherein each inverter outputs a voltage to a respective transmitter coil/coils for inductive power transfer; and a magnetic coupling structure between the respective transmitter coils, wherein the magnetic coupling structure is configured to determine a phase shift between the output voltage of each inverter.