ES234653U - Dispositivo avisador automatico de seguridad para ferroca- rriles. - Google Patents

Dispositivo avisador automatico de seguridad para ferroca- rriles.

Info

Publication number
ES234653U
ES234653U ES1978234653U ES234653U ES234653U ES 234653 U ES234653 U ES 234653U ES 1978234653 U ES1978234653 U ES 1978234653U ES 234653 U ES234653 U ES 234653U ES 234653 U ES234653 U ES 234653U
Authority
ES
Spain
Prior art keywords
railways
translation
machine
warning device
legally binding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
ES1978234653U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES1978234653U priority Critical patent/ES234653U/es
Publication of ES234653U publication Critical patent/ES234653U/es
Pending legal-status Critical Current

Links

Landscapes

  • Train Traffic Observation, Control, And Security (AREA)

Abstract

Dispositivo avisador automático de seguridad para ferrocarriles, caracterizado esencialmente por integrarse en un conjunto formado por dos unidades, una de ellas emisora y otra receptora, comprendiendo la primera una fuente de alimentación de corriente continua, un temporizador variable, ajustable dentro de unos límites de tiempo convenientes, de conexión y desconexión automática de la alimentación de un generador de impulsos de frecuencia variable, en signo positivo, y un amplificador que refuerza dichos impulsos, enviándolos a través de una antena.
ES1978234653U 1978-03-14 1978-03-14 Dispositivo avisador automatico de seguridad para ferroca- rriles. Pending ES234653U (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1978234653U ES234653U (es) 1978-03-14 1978-03-14 Dispositivo avisador automatico de seguridad para ferroca- rriles.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1978234653U ES234653U (es) 1978-03-14 1978-03-14 Dispositivo avisador automatico de seguridad para ferroca- rriles.

Publications (1)

Publication Number Publication Date
ES234653U true ES234653U (es) 1978-05-01

Family

ID=8395472

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1978234653U Pending ES234653U (es) 1978-03-14 1978-03-14 Dispositivo avisador automatico de seguridad para ferroca- rriles.

Country Status (1)

Country Link
ES (1) ES234653U (es)

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