Method and apparatus for conserving battery power

Details Method and apparatus for conserving battery power Method and apparatus for conserving battery power

H - Electricity

02

J

H02J 9/00 (2006.01) H04R 3/00 (2006.01)

Patent

CA 2676772

A method of conserving battery power includes providing an electrical conductor that is connectable between an audio source and an accessory of the audio source. The conductor is capable of conducting a first electrical signal, containing audio information from the audio source, to the accessory. A second electrical signal is applied to the conductor when the first electrical signal is not present on the conductor. An aspect of the second electrical signal is measured while it is being applied to the conductor. An amount of battery power supplied to the accessory is reduced when the measured aspect meets a predetermined condition.

L'invention concerne un procédé de conservation d'alimentation par batterie, consistant à obtenir un conducteur électrique pouvant être connecté entre une source audio et un accessoire de la source audio. Ce conducteur peut conduire vers l'accessoire un premier signal électrique contenant des informations audio, provenant de la source audio. Un deuxième signal électrique est appliqué sur le conducteur lorsque le premier signal n'est pas présent sur le conducteur. Une caractéristique du deuxième signal électrique est mesurée pendant l'application du signal sur le conducteur. La quantité d'alimentation par batterie fournie à l'accessoire est réduite lorsque la caractéristique mesurée répond à une condition prédéterminée.

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