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US 10,121,360 B2Granted
Backup audio routing integrated into card cage with supervisory circuit
AssigneeSiemens Schweiz AG
InventorsLeonid Ayzenshtat, Harald Schermann
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Abstract
Methods and systems consistent with the present invention provide an improved system that supervises the operation of a backup amplifier. The method comprises receiving an indication that a primary amplifier failed; determining a configuration of the primary amplifier; and configuring the backup amplifier to match the configuration of the primary amplifier.
Claims7
A voice control panel comprising:
- a first amplifier slot having a backup input;
- a second amplifier slot having a backup output;
- a third amplifier slot having a backup output;
- and
- a switch connected to the backup input of the first amplifier slot that switches between the backup output of the second amplifier slot and the backup output of the third amplifier slot so that the backup input of the first amplifier slot is either connected to the backup output of the second amplifier slot or to the backup output of the third amplifier slot.
2 more elements
Dependencies are inferred from the claim text.