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Nokia Spain SA
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Alcatel Espana SA
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Publication of ES181006A1publicationCriticalpatent/ES181006A1/es
Mejoras en amplificadores de ondas eléctricas caracterizadas por un sistema de amplificación que comprende un amplificador que tiene circuitos de entrada y de salida, un tubo de vacío que tiene por lo menos dos electrodos de control y cátodo y ánodo, medios para suministrar partes predeterminadas de la salida del amplificador a los dos referidos electrodos de control y medios para aplicar la salida del referido tubo de vacío a la entrada del referido amplificador.
ES0181006A1946-02-181947-12-19Mejoras en amplificadores de ondas eléctricas
ExpiredES181006A1
(es)