Signal processing apparatus and method

G - Physics – 08 – C

Patent

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G08C 15/06 (2006.01)

Patent

CA 2378680

A signal processing apparatus comprising a plurality of input channels each of which is connected to a respective input of a multiplexer, the multiplexer being arranged to connect each input to a common multiplexer output in a predetermined repeating sequence, and an output circuit connected to the common multiplexer output, wherein the output circuit is arranged to detect the presence at the common multiplexer output of a predetermined signal, to identify the input channel which was the source of the detected predetermined signal, and to output a signal representative of the identified input channel.

L'invention concerne un dispositif de traitement de signal comprenant une pluralité de canaux d'entrée dont chacun est connecté à une entrée respective d'un multiplexeur. Le multiplexeur est conçu de manière que chaque entrée est reliée à une sortie commune du multiplexeur selon une séquence récurrente prédéterminée. Le dispositif comprend en outre un circuit de sortie relié à la sortie commune du multiplexeur, ce circuit étant conçu pour détecter la présence d'un signal prédéterminé dans la sortie commune du multiplexeur, identifier le canal d'entrée dont provient le signal prédéterminé détecté, et émettre un signal représentatif du canal d'entrée identifié.

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