Apple eyeing ways to control power provided to an accessory
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Apple eyeing ways to control power provided to an accessory

Apple is working on ways to control power provided to an accessory, per a patent (number 8112567) at the U.S. Patent & Trademark Office. A method for a portable media player to control power provided an accessory is disclosed.

The method includes requesting information about the power capabilities of the accessory by the portable media player. The method further includes providing information about the power capabilities of the accessory by the accessory to the portable media player, and utilizing the information to set the power of the accessory.

A method and system in accordance with the present invention provides a system that allows a portable media player to obtain information from an accessory concerning its power requirements. A portable media player can then utilize the power requirements information to allow for the powering of the accessory when connected to the portable media player. The inventors are Gregory T. Lydon, Scott Kureger, Donald J. Novotney, John B. Filson and David Tupman.

Here's Apple's background and summary of the invention: "A portable media player stores media assets, such as audio tracks, video tracks or photos that can be played or displayed on the portable media player. One example of a portable media player is the iPod media player, which is available from Apple Inc. of Cupertino, Calif. Often, a portable media player acquires its media assets from a host computer that serves to enable a user to manage media assets. As an example, the host computer can execute a media management application to manage media assets. One example of a media management application is iTunes, version 6.0, produced by Apple Inc.

"A portable media player typically includes one or more connectors or ports that can be used to interface to the portable media player. For example, the connector or port can enable the portable media player to couple to a host computer, be inserted into a docking system, or receive an accessory device. There are today many different types of accessory devices that can interconnect to the portable media player. For example, a remote control can be connected to the connector or port to allow the user to remotely control the portable media player.

"As another example, an automobile can include a connector and the portable media player can be inserted onto the connector such that an automobile media system can interact with the portable media player, thereby allowing the media content on the portable media player to be played within the automobile. In another example, a digital camera can be connected to the portable media player to download images and the like. In many cases the accessory utilizes power when connected to the portable media player.

"Accordingly, it may be desirable for the portable media player to control the power provided to and utilized by the accessory when coupled thereto. Therefore, it may also be desirable to provide a method and system for allowing a portable media player to efficiently and effectively control the power of the accessory. The present invention addresses such a need.

"A method for a portable media player to control power provided an accessory is disclosed. The method includes requesting information about the power capabilities of the accessory by the portable media player. The method further includes providing information about the power capabilities of the accessory by the accessory to the portable media player, and utilizing the information to set the power of the accessory.

"A method and system in accordance with the present invention provides a system that allows a portable media player to obtain information from an accessory concerning its power requirements. A portable media player can then utilize the power requirements information to allow for the powering of the accessory when connected to the portable media player. "

 

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