ES234653U - Automatic security warning device for railways. (Machine-translation by Google Translate, not legally binding) - Google Patents

Automatic security warning device for railways. (Machine-translation by Google Translate, not legally binding)

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
Spanish (es)
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/en
Publication of ES234653U publication Critical patent/ES234653U/en
Pending legal-status Critical Current

Links

Abstract

Automatic security warning device for railways, essentially characterized by being integrated in a set formed by two units, one of them emitting and another receiving, the first comprising a direct current power supply, a variable timer, adjustable within time limits convenient, automatic connection and disconnection of the power supply of a pulse generator of variable frequency, in positive sign, and an amplifier that reinforces said impulses, sending them through an antenna. (Machine-translation by Google Translate, not legally binding)
ES1978234653U 1978-03-14 1978-03-14 Automatic security warning device for railways. (Machine-translation by Google Translate, not legally binding) Pending ES234653U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1978234653U ES234653U (en) 1978-03-14 1978-03-14 Automatic security warning device for railways. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1978234653U ES234653U (en) 1978-03-14 1978-03-14 Automatic security warning device for railways. (Machine-translation by Google Translate, not legally binding)

Publications (1)

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

Family

ID=8395472

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1978234653U Pending ES234653U (en) 1978-03-14 1978-03-14 Automatic security warning device for railways. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES234653U (en)

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