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. 02, 2019
Filed:
Jun. 17, 2015
Koninklijke Philips N.v., Eindhoven, NL;
Neil Francis Joye, Waalre, NL;
Klaas Jacob Lulofs, Eindhoven, NL;
Andries Van Wageningen, Wijlre, NL;
Wilhelmus Gerardus Maria Ettes, Leeuwarden, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
A power transmitter () for transferring power to a power receiver comprises a first inductor () for providing power and a second inductor () for receiving data signals from a power receiver. The first () and second () inductors are separate inductors in a power transfer circuit () and a data signal receiving circuit (). The data signal receiving circuit () comprises a data extracting circuit () for extracting the data signals received by the second inductor (). The power transmitter comprises a control circuit () for controlling the power in dependence on the data signals. The power transmitter transfers power during power transfer periods and receives data during communication periods, communication periods corresponding to periods wherein power is low. The control circuit () electrically couples the data extraction circuit () and the second inductor () from each other during communication periods and electrical decouples them during at least a part of power transfer periods.