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Nokia Spain SA
Original Assignee
Alcatel Espana SA
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Publication date
Application filed by Alcatel Espana SAfiledCriticalAlcatel Espana SA
Publication of ES179906A1publicationCriticalpatent/ES179906A1/en
En un sistema eléctrico de señalización un equipo receptor para un tren de impulsos eléctricos en el que un relé de péndulo que vibra a la misma frecuencia que los impulsos entrantes sirve para marcar la ocurrencia de un impulso largo o un periodo largo entre impulsos.In an electrical signaling system a receiving equipment for a train of electrical impulses in which a pendulum relay vibrating at the same frequency as the incoming impulses serves to mark the occurrence of a long impulse or a long period between impulses.
ES0179906A1947-04-141947-09-27
ELECTRICAL SIGNALING SYSTEMS
ExpiredES179906A1
(en)