ES238084U - Dispositivo de control y seguridad para aparatos de interco-municacion - Google Patents

Dispositivo de control y seguridad para aparatos de interco-municacion

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Publication number
ES238084U
ES238084U ES1978238084U ES238084U ES238084U ES 238084 U ES238084 U ES 238084U ES 1978238084 U ES1978238084 U ES 1978238084U ES 238084 U ES238084 U ES 238084U ES 238084 U ES238084 U ES 238084U
Authority
ES
Spain
Prior art keywords
control
translation
machine
security 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.)
Granted
Application number
ES1978238084U
Other languages
English (en)
Other versions
ES238084Y (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 ES1978238084U priority Critical patent/ES238084Y/es
Publication of ES238084U publication Critical patent/ES238084U/es
Application granted granted Critical
Publication of ES238084Y publication Critical patent/ES238084Y/es
Expired legal-status Critical Current

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Abstract

Dispositivo de control y seguridad para aparatos de intercomunicación, caracterizado esencialmente porque comprende un mondador dotado de un interruptor de puesta en marcha que conexiona un piloto indicativo de funcionamiento, existiendo medios apropiados selectores de igual frecuencia, ajustada según indicativos para establecer comunicación entre dos parlantes, contando el equipo con medios de alteración fónica de la audición y normales en el interior en igual banda de frecuencia.
ES1978238084U 1978-09-09 1978-09-09 Dispositivo de control y seguridad para aparatos de interco-municacion. Expired ES238084Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1978238084U ES238084Y (es) 1978-09-09 1978-09-09 Dispositivo de control y seguridad para aparatos de interco-municacion.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1978238084U ES238084Y (es) 1978-09-09 1978-09-09 Dispositivo de control y seguridad para aparatos de interco-municacion.

Publications (2)

Publication Number Publication Date
ES238084U true ES238084U (es) 1979-02-01
ES238084Y ES238084Y (es) 1979-06-16

Family

ID=8398439

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1978238084U Expired ES238084Y (es) 1978-09-09 1978-09-09 Dispositivo de control y seguridad para aparatos de interco-municacion.

Country Status (1)

Country Link
ES (1) ES238084Y (es)

Also Published As

Publication number Publication date
ES238084Y (es) 1979-06-16

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