Dual transmitter arrangement with back-up switching

Details Dual transmitter arrangement with back-up switching Dual transmitter arrangement with back-up switching

H - Electricity

04

B

H04B 1/74 (2006.01) H04B 1/04 (2006.01)

Patent

CA 2232615

Reliable transmission of signals in a multi-channel system is achieved by transferring signal inputs from a defectively operating or inoperative transmitter to another transmitter which continues to transmit other channels. At least two transmitters are operated normally, each transmitting its own block of channels. A sensor detects when the output of one transmitter is improper or non-existent, and causes a change-over switch to operate. Operation of the switch adds the block of channels which had come from the one transmitter to the other (or one or more) of the transmitters, so that the remaining transmitter or transmitters now provide all the channels.

On obtient la transmission fiable de signaux dans un système multicanal en transférant les signaux d'entrée provenant d'un émetteur fonctionnant de manière défectueuse ou inopérant vers un autre émetteur qui continue à transmettre les autres canaux. Au moins deux émetteurs sont actionnés normalement, chacun transmettant son propre bloc de canaux. Un détecteur détecte à quel moment la sortie de l'un des émetteurs est impropre ou non existante et actionne un commutateur de permutation. L'actionnement du commutateur ajoute le bloc de canaux qui provient de l'un des émetteurs à l'autre émetteur ou aux autres émetteurs, pour que l'émetteur ou les émetteurs restants fournissent ainsi tous les canaux.

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