Apple may be considering making its own portable power supplies. An company patent (number 20100327664) for a portable power source to provide power to an electronic device via an interface has appeared at the US Patent & Trademark Office. It relates to portable power sources and, in particular, relates to a portable power source operable to selectively provide power to a device connected to an interface of the portable power source.
The portable power source cooperates and communicates with the electronic device via a peripheral bus to which the electronic device is attachable. The portable power source includes circuitry to process a power request signal from the electronic device to determine whether a device connected to a bus interface of the portable power source is requesting power from the portable power source. The inventors are David John Tupman, Doug M. Farrar, Joseph R. Fisher Jr., Jesse L. Dorogusker and Donald J. Novotney.
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