View source for Apple inc. (20250105669). DYNAMIC CAPACITANCE TUNING FOR WIRELESS POWER TRANSFER

=DYNAMIC CAPACITANCE TUNING FOR WIRELESS POWER TRANSFER=


==Organization Name==

[[:Category:apple inc.|apple inc.]]


[[Category:apple inc.]]

==Inventor(s)==

[[:Category:Jukka-pekka J Sjoeroos of Cupertino CA US|Jukka-pekka J Sjoeroos of Cupertino CA US]][[Category:Jukka-pekka J Sjoeroos of Cupertino CA US]]

[[:Category:Weihong Qiu of San Ramon CA US|Weihong Qiu of San Ramon CA US]][[Category:Weihong Qiu of San Ramon CA US]]

==DYNAMIC CAPACITANCE TUNING FOR WIRELESS POWER TRANSFER==


This abstract first appeared for US patent application 20250105669 titled 'DYNAMIC CAPACITANCE TUNING FOR WIRELESS POWER TRANSFER

==Original Abstract Submitted==

a method of operating a wireless power transmitter having a wireless power transmitting coil, an inverter that receives an input voltage and generates an ac output voltage that drives the wireless power transmitting coil, and at least one adjustable capacitance coupled to the wireless power transmitting coil to form a series tuning circuit therewith, can be performed by control circuitry of the wireless power transmitter and can include: responsive to increased power demand from a wireless power receiver, determining whether the input voltage is at a maximum value and, if so, reducing the at least one adjustable capacitance to increase gain; or responsive to decreased power demand from the wireless power receiver, determining whether the input voltage is at a minimum value and, if so, increasing the at least one adjustable capacitance to decrease gain.



[[Category:H02J50/12]]
[[Category:CPC_H02J50/12]]