Apple patent application reveals iPad Smart Cover with built-in inductive charging

“On March 14, 2013, the US Patent & Trademark Office published a patent application from Apple that reveals the next step in the evolution of the iPad Smart Cover with built-in inductive charging,” Jack Purcher reports for Patently Apple.

“The protective cover can include an adaptive inductive power supply system capable of varying the amount of power supplied by the protective cover by way of inductive coupling based on the needs of the iPad,” Purcher reports. “The adaptive inductive power supply system can supply power to the iPad at a proper magnitude at a beginning of an operation, as well as to continually monitor the power supply circuit and make adjustments in real-time as needed providing the adaptive power the ability to change in accordance with changes in the power requirements of the tablet device.”

Purcher reports, “For example, the adaptive power supply circuit can adjust characteristics, such as frequency, duty cycle and power magnitude, to accommodate various operating states (current power consumption, battery level, and so forth) of the iPad.”

Much more, including Apple’s patent application illustrations and diagrams, in the full article here.


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