Power management in a portable media delivery system
First Claim
1. A method for managing power in electronic device operating at a current operating state and powered by only a plurality of internal power supplies in a DC mode, comprising:
- when the electronic device is in the DC mode,controlling a transfer of an amount of charge between at least two of the plurality of internal power supplies by the electronic device wherein the amount of charge transferred is sufficient for the electronic device to operate uninterrupted for a predetermined period of time at the current operating state wherein the electronic device includes a number of electronic components each of which are powered in the DC mode by a corresponding one of the plurality of internal power supplies.
2 Assignments
0 Petitions
Accused Products
Abstract
A consumer electronic product that includes a media player arranged to process a selected one of a plurality of digital media files stored therein and a media delivery accessory unit detachedly connected to the media player arranged to broadcast the processed digital media file. When the consumer electronic product is in a DC mode, the consumer electronic product controls a transfer of an amount of charge between the media delivery accessory and the media player. In one embodiment, the amount of charge is sufficient to for the consumer electronic product to operate for a predetermined amount of time. In another embodiment, the amount of charge is sufficient for to maximize an amount of time that the media player and media delivery accessory can operate.
112 Citations
26 Claims
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1. A method for managing power in electronic device operating at a current operating state and powered by only a plurality of internal power supplies in a DC mode, comprising:
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when the electronic device is in the DC mode, controlling a transfer of an amount of charge between at least two of the plurality of internal power supplies by the electronic device wherein the amount of charge transferred is sufficient for the electronic device to operate uninterrupted for a predetermined period of time at the current operating state wherein the electronic device includes a number of electronic components each of which are powered in the DC mode by a corresponding one of the plurality of internal power supplies. - View Dependent Claims (2, 3)
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4. A method for managing power in a consumer electronic product operating at a current operating state and that includes a portable media player arranged to store a plurality of digital media files connected to a media delivery accessory having at least one speaker, comprising:
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when the consumer electronic product is in a DC mode, controlling a transfer of an amount of charge between internal power supplies in the media delivery accessory and the media player by the consumer electronic product wherein the amount of charge transferred maximizes an amount of time that the media player and the media delivery accessory can each operate uninterrupted from their respective internal power supplies at their respective current operating states; and providing power supply parameters to the processor by the media delivery accessory internal power supply indicative of a media delivery accessory internal power supply charge status; if the charge status indicates that the media player internal power supply has available for transfer at least the amount of charge for the consumer electronic product to operate uninterrupted for a predetermined period of time, then transferring the required amount of charge from the media delivery accessory internal power supply to the media player charge internal power supply, otherwise providing an indication that the consumer electronic product should operate in an AC mode. - View Dependent Claims (5, 6, 7)
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8. A consumer electronic product operating at a current operating state, comprising:
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a media player arranged to process a selected one of a plurality of digital media files stored therein, the media player comprising; a memory unit arranged to store the plurality of digital media files and a set of media player operational parameters indicative of a current operating state of the media player; and a media player connector coupled to the memory unit and the media player internal power supply; and a media delivery accessory unit connected to the media player arranged to broadcast an audio signal generated from the processed digital media file, wherein when the consumer electronic product is operating in a DC mode, the consumer electronic product controls a charge transfer between internal power supplies in the media delivery accessory and the media player wherein the amount of charge transferred between the internal power supplies is such that the consumer electronic product can operate uninterrupted for at least a predetermined amount of time at the current operating state. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A computer readable storage medium including at least computer program code for managing power in a consumer electronic product that includes a portable media player arranged to store a plurality of digital media files connected to a media delivery accessory having at least one speaker, comprising:
computer program code for controlling a transfer of an amount of charge between internal power supplies in the media delivery accessory and the media player by the consumer electronic product when the consumer electronic product is in a DC mode wherein the amount of charge transferred between the internal power supplies is such that the consumer electronic product can operate uninterrupted for at least a predetermined amount of time at a current operating state wherein the amount of charge transferred maximizes an amount of time that the media player and the media delivery accessory can each operate from their respective internal power supplies. - View Dependent Claims (15, 16, 17, 18)
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19. A method for managing power in a consumer electronic product that includes a portable media player arranged to store a plurality of digital media files connected to a media delivery accessory having at least one speaker, comprising:
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when the consumer electronic product is in a DC mode, controlling a transfer of an amount of charge between internal power supplies in the media delivery accessory and the media player by the consumer electronic product wherein the amount of charge transferred maximizes an amount of time that the media player and the media delivery accessory can each operate uninterrupted from their respective internal power supplies at their respective current operating states; providing power supply parameters to the processor by the media delivery accessory internal power supply indicative of a media delivery accessory internal power supply charge status; if the charge status indicates that the media player internal power supply has available for transfer at least the amount of charge required to maximize the amount of time that the media player and the media delivery accessory can each operate from their respective internal power supplies, then transferring the required amount of charge from the media delivery accessory internal power supply to the media player charge internal power supply, otherwise providing an indication that the consumer electronic product should operate in an AC mode. - View Dependent Claims (20, 21, 22)
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23. A media delivery accessory, comprising:
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a processor unit arranged to execute instructions and provide control signals; a media delivery accessory internal power supply connected to the processor unit; and a media delivery accessory connector coupled to the processor and the media delivery accessory internal power supply that when optionally connected with a portable media player provides a data/power path between the media delivery accessory and the portable media player, wherein when the media delivery accessory is connected to the portable media player and the media delivery accessory is not connected to an external power supply and operating in a DC mode, the processor unit controls a charge transfer between the media delivery accessory internal power supply and a media player internal power supply wherein the amount of charge transferred between the internal power supplies is such that the media delivery accessory is capable of operating uninterrupted for at least a predetermined amount of time at a current operating state. - View Dependent Claims (24, 25, 26)
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Specification