View source for Apple inc. (20240106280). FRIENDLY METAL LOSS ESTIMATION simplified abstract

=FRIENDLY METAL LOSS ESTIMATION=


==Organization Name==

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


[[Category:apple inc.]]

==Inventor(s)==

[[:Category:Shubha Ramakrishnan of San Jose CA (US)|Shubha Ramakrishnan of San Jose CA (US)]][[Category:Shubha Ramakrishnan of San Jose CA (US)]]

[[:Category:Adam L Schwartz of Redwood City CA (US)|Adam L Schwartz of Redwood City CA (US)]][[Category:Adam L Schwartz of Redwood City CA (US)]]

[[:Category:Jizhen Fu of San Jose CA (US)|Jizhen Fu of San Jose CA (US)]][[Category:Jizhen Fu of San Jose CA (US)]]

==FRIENDLY METAL LOSS ESTIMATION - A simplified explanation of the abstract==


This abstract first appeared for US patent application 20240106280 titled 'FRIENDLY METAL LOSS ESTIMATION

==Simplified Explanation==

The abstract describes a wireless power transfer device that includes a coil, a power converter, and controller and communication circuitry for detecting foreign objects during power transfer.

* The device has a coil that connects to a corresponding coil on another device for wireless power transfer.
* It includes a power converter that manages the power transfer process.
* The controller and communication circuitry monitor parameters to detect foreign objects and adjust power transfer accordingly.
* Foreign object detection is based on power accounting, including estimating friendly metal losses from the other device.
* The device can receive modeling parameters from the other device related to wireless power transfer current and voltage.

== Potential Applications ==
This technology can be applied in various industries such as consumer electronics, automotive, medical devices, and industrial automation for efficient wireless power transfer.

== Problems Solved ==
This technology solves the problem of foreign objects interfering with wireless power transfer, ensuring safe and efficient operation of the devices.

== Benefits ==
The benefits of this technology include improved safety, increased efficiency in power transfer, and enhanced user experience with wireless charging solutions.

== Potential Commercial Applications ==
The potential commercial applications of this technology include wireless charging pads, electric vehicle charging stations, medical device charging systems, and industrial automation solutions.

== Possible Prior Art ==
One possible prior art for this technology is the use of foreign object detection in wireless charging systems to prevent damage to devices and ensure efficient power transfer.

=== Unanswered Questions ===

=== How does this technology impact the efficiency of wireless power transfer? ===
This technology improves the efficiency of wireless power transfer by detecting foreign objects and adjusting power transfer accordingly, reducing energy loss and ensuring optimal performance.

=== What are the safety implications of foreign object detection in wireless power transfer devices? ===
Foreign object detection in wireless power transfer devices enhances safety by preventing damage to devices and reducing the risk of overheating or electrical hazards.


==Original Abstract Submitted==

a wireless power transfer device can include a coil that couples to a corresponding coil of a counterpart device to facilitate wireless power transfer, a power converter coupled to the coil, and controller and communication circuitry that monitors one or more observable parameters associated with the wireless power transfer to detect a presence of a foreign object that is not the counterpart device and control the power converter responsive to detection of a foreign object. the controller and communication circuitry can perform foreign object detection based on power accounting that includes estimating friendly metal losses associated with the counterpart device. the controller and communication circuitry can receive from the counterpart device friendly metal loss modeling parameters associated with the counterpart device, the modeling parameters including one or more coefficients relating to a wireless power transfer current and one or more coefficients relating to a wireless power transfer voltage.



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