System and method for detection of an accessory device...

Details System and method for detection of an accessory device... System and method for detection of an accessory device...

G - Physics

06

F

G06F 11/00 (2006.01) G06F 1/16 (2006.01)

Patent

CA 2367770

Embodiments of this invention provide for detecting a type of an accessory device connected to a portable computer. The portable computer may detect a signal from the accessory device and determine the type of accessory device using the signal. Once the type of accessory is identified, the portable computer may implement a software that matches the particular type of accessory. The type of accessory may be identified by measuring a voltage of a signal line that is coupled to the accessory device. The value of the voltage on the signal line may then be matched to a corresponding accessory type using a memory of the portable computer.

La présente invention concerne, dans ses réalisations, la détection du type d'un accessoire connecté à un ordinateur portatif. Cet ordinateur peut détecter un signal provenant de l'accessoire et déterminer le type d'accessoire qui utilise ce signal. Une fois l'identification réalisée, l'ordinateur portatif peut mettre en oeuvre un logiciel qui correspond au type particulier d'accessoire. Il est possible d'identifier le type d'accessoire par mesure de la tension d'une ligne signal couplée à l'accessoire. La valeur de la tension sur la ligne signal peut être alors comparée à un type d'accessoire correspondant par usage de la mémoire de l'ordinateur portatif.

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