System for querying a large number of consumption meters
DE1953139A1
Arrangement for the transmission of information via an electrical supply network
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Electromagnetic relays and relay circuits
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Transmission device for a network overlay consumption reporting system
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Transmission device for a network overlay consumption reporting system
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Transmission device for a network overlay consumption reporting system
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Signal switching device for consumption meters connected to a network overlay consumption reporting system
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Device for the transmission of telecontrol signals via an AC voltage supply network for electrical energy
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Transmission device for a network overlay consumption reporting system
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Network overlay consumption reporting system and procedure for operating this system
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Circuit arrangement with a vibrating tongue contact
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Contact device with oscillating tongue
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Contact device with oscillating tongue
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Fixed quantity apparatus for metering the consumption by a consumer of electricity or the like supplied over a common supply network and for processing the data representing such consumption
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Telecontrol system
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Signal transmitters assigned to the individual consumption meters of a device for querying a large number of consumption meters
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Device for the transmission of telecontrol signals via a supply network carrying AC voltage
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Device for the transmission of telecontrol signals via a supply network carrying AC voltage
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Interrogator
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Device for the transmission of telecontrol signals via a supply network carrying AC voltage
