ES2048116B1 - Instalacion telefonica con una estacion de puerta y por lo menos un puesto telefonico interior. - Google Patents

Instalacion telefonica con una estacion de puerta y por lo menos un puesto telefonico interior.

Info

Publication number
ES2048116B1
ES2048116B1 ES09201803A ES9201803A ES2048116B1 ES 2048116 B1 ES2048116 B1 ES 2048116B1 ES 09201803 A ES09201803 A ES 09201803A ES 9201803 A ES9201803 A ES 9201803A ES 2048116 B1 ES2048116 B1 ES 2048116B1
Authority
ES
Spain
Prior art keywords
telephone
internal
installation
posts
post
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 - Fee Related
Application number
ES09201803A
Other languages
English (en)
Other versions
ES2048116A2 (es
ES2048116R (es
Inventor
Heinz Achenbach
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.)
Schneider Electric GmbH
Original Assignee
Ritto Werk Loh GmbH and Co KG
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 Ritto Werk Loh GmbH and Co KG filed Critical Ritto Werk Loh GmbH and Co KG
Publication of ES2048116A2 publication Critical patent/ES2048116A2/es
Publication of ES2048116R publication Critical patent/ES2048116R/es
Application granted granted Critical
Publication of ES2048116B1 publication Critical patent/ES2048116B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/025—Door telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

INSTALACION TELEFONICA CON UNA ESTACION DE PUERTA Y POR LO MENOS UN PUESTO TELEFONICO INTERIOR. SE CREA UNA INSTALACION TELEFONICA, EN LA QUE LA SEÑAL DE LLAMADA SE GENERA CENTRALMENTE Y PUEDE APORTARSE INDIVIDUALMENTE A LOS PUESTOS TELEFONICOS INTERIORES SIN AFECTAR A LA OCUPACION DE LA INSTALACION TELEFONICA POR UN PUESTO TELEFONICO INTERIOR UNIDO CON EL BLOQUEO DE LOS RESTANTES PUESTOS TELEFONICOS INTERIORES Y LA TRANSMISION DE UNA SEÑAL DE ABRIDOR DE PUERTA A PARTIR DE LOS PUESTOS TELEFONICOS INTERIORES. ADEMAS ESTA INSTALACION TELEFONICA TIENE LA VENTAJA DE QUE SOLO SE REQUIERE UNA RED CON N+1 CONDUCTORES HACIA LOS PUESTOS TELEFONICOS INTERIORES, EN QUE N CORRESPONDE AL NUMERO DE LOS PUESTOS TELEFONICOS INTERIORES.
ES09201803A 1991-09-11 1992-09-03 Instalacion telefonica con una estacion de puerta y por lo menos un puesto telefonico interior. Expired - Fee Related ES2048116B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4130101A DE4130101C1 (en) 1991-09-11 1991-09-11 Door intercom with door-opening button - centrally generates call signal and feeds to individual internal intercoms using circuit including two series-connected Zener diodes and parallel decoupling diode

Publications (3)

Publication Number Publication Date
ES2048116A2 ES2048116A2 (es) 1994-03-01
ES2048116R ES2048116R (es) 1996-06-16
ES2048116B1 true ES2048116B1 (es) 1997-02-16

Family

ID=6440292

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09201803A Expired - Fee Related ES2048116B1 (es) 1991-09-11 1992-09-03 Instalacion telefonica con una estacion de puerta y por lo menos un puesto telefonico interior.

Country Status (4)

Country Link
DE (1) DE4130101C1 (es)
ES (1) ES2048116B1 (es)
FR (1) FR2681208B1 (es)
IT (1) IT1256371B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4333455C2 (de) * 1993-09-30 1996-09-12 Grothe & Soehne Gmbh & Co Kg A Haussignal- und -türöffneranlage
DE19643125C2 (de) * 1996-10-18 2003-04-10 Siedle & Soehne S Türsprechsystem

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2741160C2 (de) * 1977-09-13 1985-05-09 S. Siedle & Söhne Telefon- und Telegrafenwerke GmbH, 7743 Furtwangen Schaltungsanordnung für eine Ruf-, Türwechselsprech- und Türöffneranlage
DE2756276C3 (de) * 1977-12-16 1982-08-12 S. Siedle & Söhne Telefon- und Telegrafenwerke GmbH, 7743 Furtwangen Schaltungsanordnung für eine Ruf-, Türsprech- und Türöffneranlage
ES8403681A1 (es) * 1983-05-04 1984-04-16 Gorrochategui Grajirena Javier Sistema de secreto para porteros automaticos.
US4658095A (en) * 1985-04-15 1987-04-14 Elias Santiago Building intercom system
ES2007618A6 (es) * 1987-06-17 1989-07-01 Fermax Electronica Perfeccionamientos en sistemas de porteros electronicos.
ES2011143A6 (es) * 1988-10-10 1989-12-16 Grajirena Javier Gorrochategui Sistema de comunicacion entre un punto y unos secundarios, tal como un portero automatico.
GB2225195B (en) * 1988-11-19 1993-08-11 Matsushita Electric Works Ltd Two-wire television interphone system
DE4015466C1 (en) * 1990-05-14 1991-05-16 S. Siedle & Soehne Telefon- Und Telegrafenwerke Stiftung & Co, 7743 Furtwangen, De Entry phone esp. for apartment block - has individual and common leads with mains supply unit switchable into latter

Also Published As

Publication number Publication date
ES2048116A2 (es) 1994-03-01
DE4130101C1 (en) 1993-02-04
IT1256371B (it) 1995-12-04
ES2048116R (es) 1996-06-16
ITMI922061A1 (it) 1994-03-04
FR2681208A1 (fr) 1993-03-12
ITMI922061A0 (it) 1992-09-04
FR2681208B1 (fr) 1994-12-30

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