ES258281A3 - Perfeccionamientos en la construcciën de aparatos intercomunicadores - Google Patents

Perfeccionamientos en la construcciën de aparatos intercomunicadores

Info

Publication number
ES258281A3
ES258281A3 ES0258281A ES258281A ES258281A3 ES 258281 A3 ES258281 A3 ES 258281A3 ES 0258281 A ES0258281 A ES 0258281A ES 258281 A ES258281 A ES 258281A ES 258281 A3 ES258281 A3 ES 258281A3
Authority
ES
Spain
Prior art keywords
translation
construction
machine
legally binding
google translate
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.)
Expired
Application number
ES0258281A
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.)
MITRANI GALLINDOS SANTO
Original Assignee
MITRANI GALLINDOS SANTO
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 MITRANI GALLINDOS SANTO filed Critical MITRANI GALLINDOS SANTO
Priority to ES0258281A priority Critical patent/ES258281A3/es
Publication of ES258281A3 publication Critical patent/ES258281A3/es
Expired legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

Perfeccionamiento en la construcción de aparatos intercomunicadores caracterizados por el hecho de crear una banda portadora de 144 kzh. modulada en amplitud en el aparato que en aquel momento actúa de emisor y a través de la red de distribución eléctrica, es captada por el aparato que entonces actúa de receptor y que está enchufado a la red de energía que tenga la misma fase que la en que está enchufado el aparato emisor y el receptor, por medio de la instalación eléctrica general del edificio, sin necesidad de instalación entre ambos intercomunicadores.
ES0258281A 1960-05-21 1960-05-21 Perfeccionamientos en la construcciën de aparatos intercomunicadores Expired ES258281A3 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0258281A ES258281A3 (es) 1960-05-21 1960-05-21 Perfeccionamientos en la construcciën de aparatos intercomunicadores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0258281A ES258281A3 (es) 1960-05-21 1960-05-21 Perfeccionamientos en la construcciën de aparatos intercomunicadores

Publications (1)

Publication Number Publication Date
ES258281A3 true ES258281A3 (es) 1960-08-16

Family

ID=34491097

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0258281A Expired ES258281A3 (es) 1960-05-21 1960-05-21 Perfeccionamientos en la construcciën de aparatos intercomunicadores

Country Status (1)

Country Link
ES (1) ES258281A3 (es)

Similar Documents

Publication Publication Date Title
GB1067210A (en) Telephone hold program system
GB742209A (en) Transistor relay devices
GB924380A (en) Improvements in and relating to semiconductors
SE7404536L (sv) Kopplingsanordning, speciellt elektrisk installationskoppling, for till- och frankoppling av en elektrisk forbrukare.
CA619294A (en) Rural carrier telephone transmission system
CA611830A (en) Start-stop telegraph signal generator
CA673330A (en) Telegraph system using frequency modulation
AU259044B2 (en) Twinplex telegraph transmission
CA610816A (en) Telegraph station selector
CA594470A (en) Telegraph station selector
CA622406A (en) Telephone system having prepay-postpay paystation service
CA613892A (en) Telegraph repeaters
CA576029A (en) Telegraph enciphering device
CA616731A (en) Telegraph repeater
GB636928A (en) Improvements in or relating to carrier telephony systems
ES256248A3 (es) Perfeccionamientos en los equipos de conexiën electrica
CH311427A (fr) Installation de commutation automatique télégraphique ou téléphonique.
AU53161A (en) Twinplex telegraph transmission
CH399531A (de) Einrichtung zur Übertragung von elektrischen Impulsen
CA684811A (en) Telegraph receiver
GB889558A (en) Improvements in and relating to electrical remote control equipment
CA595447A (en) Electric carrier telegraph systems
AU1786353A (en) Improvements in earth controls for electrical systems, appliances andthe like
CA679674A (en) Automatic telephone dialing and transmitting device
CA610817A (en) Automatic telegraph station selector