A METHOD FOR DETERMINING AN EXECUTION FREQUENCY OF A FOREIGN OBJECT DETECTION METHOD

• US 20170149293A1
• Filed: 05/12/2015
• Published: 05/25/2017
• Est. Priority Date: 06/13/2014
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Technologies Oy (Nokia Corporation)
• Inventors: MUURINEN, Jari
• Granted Patent: US 11,177,699 B2
• Time in Patent Office: Days
• CPC Class Codes: H02J 50/05 using capacitive coupling
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/60 responsive to the presence of foreign objects, e.g. detection of living beings

Abstract

The invention relates to a method, comprising: determining a power level value of transmitted wireless energy, and adjusting a foreign object detection method frequency on the basis of said power level value of the transmitted wireless energy. The invention further relates to an apparatus and a computer program product that perform the method.

Claims

1-16. -16. (canceled)

17. A method implemented by an apparatus, comprising:

determining a power level value of transmitted wireless energy; and

adjusting a foreign object detection method frequency on the basis of said power level value of the transmitted wireless energy.

18. A method according to claim 17, wherein the foreign object detection method frequency is increased as a function of said power level value of the transmitted wireless energy.

19. A method according to claim 18, wherein the foreign object detection method frequency is increased linearly, exponentially or progressively.

20. A method according to claim 18, wherein increasing the foreign object detection frequency comprises shortening a time interval between adjacent foreign object detections.

21. A method according to claim 17, wherein said power level of the transmitted wireless energy is derived from a second power level value received from a wireless energy receiver.

22. An apparatus comprising at least one processor, memory including computer program code, the memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following:

determine a power level value of the transmitted wireless energy; and

adjust a foreign object detection method frequency on the basis of said power level value of the transmitted wireless energy.

23. An apparatus according to claim 22, wherein the foreign object detection method frequency is increased as a function of said power level value of the transmitted wireless energy.

24. An apparatus according to claim 23, wherein the foreign object detection method frequency is increased linearly, exponentially or progressively.

25. An apparatus according to claim 23, wherein increasing the foreign object detection frequency comprises shortening a time interval between adjacent foreign object detections.

26. An apparatus according to claim 22, wherein said power level of the transmitted wireless energy is derived from a second power level value received from a wireless energy receiver.

27. A computer program product embodied on a non-transitory computer readable medium, comprising computer program code configured to, when executed on at least one processor, cause an apparatus to:

determine a power level value of the transmitted wireless energy; and

adjust a foreign object detection method frequency on the basis of said power level value of the transmitted wireless energy.

28. A computer program product according to claim 27, wherein the foreign object detection method frequency grows as a function of said power level value of the transmitted wireless energy.

29. A computer program product according to claim 28, wherein the foreign object detection method frequency grows linearly, exponentially or progressively.

30. A computer program product according to claim 28, wherein increasing the foreign object detection frequency comprises shortening a time interval between adjacent foreign object detections.

31. A computer program product according to claim 27, wherein said power level of the transmitted wireless energy is derived from a second power level value received from a wireless energy receiver.