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Landis and Gyr AG
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Landis and Gyr AG
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Application filed by Landis and Gyr AGfiledCriticalLandis and Gyr AG
Publication of ES232065A1publicationCriticalpatent/ES232065A1/en
Centralized remote control procedure characterized in that it serves for the audio-frequency heterodination of energy transmitting networks with modulation pulses by known coupling means, for which purpose an audio-frequency generator driven by a radio frequency generator is used as the source of audio frequency for the modulation frequency. Motor and because to achieve a predetermined modelable frequency function between the audio frequency generator and the coupling to the network, a three-phase transformer is connected and driven by an adjustable drive device in such a way that the frequency of the audio frequency generator is altered in a determined magnitude. (Machine-translation by Google Translate, not legally binding)
ES0232065A1955-11-221956-11-22Procedure of centralized remote control (Machine-translation by Google Translate, not legally binding)
ExpiredES232065A1
(en)