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:
Jul. 14, 2026
Filed:
Mar. 24, 2025
Apple Inc., Cupertino, CA (US);
Zhiyuan Hu, Santa Clara, CA (US);
Zhao Yuan, San Jose, CA (US);
Adam L Schwartz, Redwood City, CA (US);
Arash Mehrabi, Menlo Park, CA (US);
Brandon Russel Marian Pais, Auckland, NZ;
Jizhen Fu, San Jose, CA (US);
Shubha Ramakrishnan, San Jose, CA (US);
Wynand Malan, Auckland, NZ;
Apple Inc., Cupertino, CA (US);
Abstract
A method for estimating friendly metal losses associated with wireless power transfer from a wireless power transmitter to a wireless power receiver can include obtaining an indication of received power including rectifier voltage and rectifier current of the wireless power receiver and computing a friendly metal power loss based on the indication of rectifier voltage and rectifier current of the wireless power receiver and one or more coefficients corresponding to a baseline wireless power transmission between the wireless power transmitter and the wireless power receiver. The rectifier voltage can be a rectifier output voltage, and the rectifier current can be a rectifier output current. Computing the friendly metal power loss can use an equation having a form where b is a coefficient relating to the rectifier current, c is a coefficient relating to the rectifier voltage, a is a coefficient relating to transmitter current I.