Method and system for controlling power provided to an accessory
US7558894B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2006 |
| Grant date | Jul 7, 2009 |
| Priority date | — |
| Expiry date | Jul 3, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/3215
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.