FR2455154A1 - Portier d'immeuble interphonique a poste exterieur, avec dispositif d'ouverture de porte electrique - Google Patents

Portier d'immeuble interphonique a poste exterieur, avec dispositif d'ouverture de porte electrique

Info

Publication number
FR2455154A1
FR2455154A1 FR8009076A FR8009076A FR2455154A1 FR 2455154 A1 FR2455154 A1 FR 2455154A1 FR 8009076 A FR8009076 A FR 8009076A FR 8009076 A FR8009076 A FR 8009076A FR 2455154 A1 FR2455154 A1 FR 2455154A1
Authority
FR
France
Prior art keywords
circuits
post
exterior post
supply
central unit
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.)
Withdrawn
Application number
FR8009076A
Other languages
English (en)
Inventor
Massimo Mondardini
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.)
URMET SpA
Original Assignee
URMET SpA
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 URMET SpA filed Critical URMET SpA
Publication of FR2455154A1 publication Critical patent/FR2455154A1/fr
Withdrawn legal-status Critical Current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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00674—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons
    • G07C9/0069—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons actuated in a predetermined sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

PORTIER D'IMMEUBLE INTERPHONIQUE ET A POSTE EXTERIEUR, AVEC DISPOSITIF D'OUVERTURE DE PORTE ELECTRIQUE. IL COMPREND DES MOYENS D'APPEL SELECTIF UTILISANT UNE DEMI-ONDE EN COURANT ALTERNATIF, ACTIVITES PAR DES BOUTONS-POUSSOIRS EXTERIEURS ET APTES A DECONNECTER LES CIRCUITS D'ALIMENTATION ET DE PHONIE; DES MOYENS POUR COMMANDER LA GACHE ELECTRIQUE, APTES A DECONNECTER L'ALIMENTATION DU CIRCUIT DE PHONIE; DES MOYENS AMPLIFICATEURS POUR LA TRANSMISSION DES SIGNAUX PHONIQUES; DES MOYENS D'ALIMENTATION COMMUNS, DONT LA CONNEXION AVEC LES AMPLIFICATEURS, EST SENSIBLE A L'ABSENCE DE LIAISON AVEC L'UN QUELCONQUE DES POSTES INTERIEURS DE MANIERE A INTERROMPRE PARTIELLEMENT L'ALIMENTATION DESDITS MOYENS AMPLIFICATEURS; LES MOYENS D'APPEL, DE COMMANDE DE LA GACHE, D'AMPLIFICATION ET D'ALIMENTATION FORMANT L'UNITE CENTRALE QUI EST RELIEE AUX POSTES INTERIEURS PAR L'INTERMEDIAIRE DES BOUTONS EXTERIEURS, DE DEUX CONDUCTEURS DE FONCTION ET D'UN CONDUCTEUR COMMUN DE MASSE, AVEC INTERPOSITION D'UN GROUPE DE DIODES ASSOCIEES AUX BOUTONS EXTERIEURS.
FR8009076A 1979-04-24 1980-04-23 Portier d'immeuble interphonique a poste exterieur, avec dispositif d'ouverture de porte electrique Withdrawn FR2455154A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67866/79A IT1118959B (it) 1979-04-24 1979-04-24 Impianto citofonico a posto esterno con dispositivo apriporta elettrico

Publications (1)

Publication Number Publication Date
FR2455154A1 true FR2455154A1 (fr) 1980-11-21

Family

ID=11305910

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009076A Withdrawn FR2455154A1 (fr) 1979-04-24 1980-04-23 Portier d'immeuble interphonique a poste exterieur, avec dispositif d'ouverture de porte electrique

Country Status (2)

Country Link
FR (1) FR2455154A1 (fr)
IT (1) IT1118959B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0076479A3 (en) * 1981-10-02 1984-03-28 Nissan Motor Company, Limited Electronic lock system with audible entry monitor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2113710A5 (fr) * 1970-11-10 1972-06-23 Citovox
FR2364577A1 (fr) * 1976-09-13 1978-04-07 Legrand Sa Dispositif portier d'immeuble
FR2367389A1 (fr) * 1976-10-06 1978-05-05 Acet Srl Standard parlophone avec portier electrique a service continu, muni de dispositif d'alarme

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2113710A5 (fr) * 1970-11-10 1972-06-23 Citovox
FR2364577A1 (fr) * 1976-09-13 1978-04-07 Legrand Sa Dispositif portier d'immeuble
FR2367389A1 (fr) * 1976-10-06 1978-05-05 Acet Srl Standard parlophone avec portier electrique a service continu, muni de dispositif d'alarme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0076479A3 (en) * 1981-10-02 1984-03-28 Nissan Motor Company, Limited Electronic lock system with audible entry monitor

Also Published As

Publication number Publication date
IT7967866A0 (it) 1979-04-24
IT1118959B (it) 1986-03-03

Similar Documents

Publication Publication Date Title
SE7700114L (sv) Datatransmissionssystem
US3701854A (en) Key telephone system call signaling and station set data transfer arrangement
JPS6451850A (en) Cordless telephone system
MY110629A (en) Method and apparatus for performing inbound calling in a wireless communication system
US3335226A (en) Combined telephone and data switching system
FR2455154A1 (fr) Portier d'immeuble interphonique a poste exterieur, avec dispositif d'ouverture de porte electrique
GB1059535A (en) Intercommunication system with voice-frequency key dialling
US3818145A (en) Radio paging system
GB1500860A (en) Data communication system using photo couplers
CA1267960C (fr) Systeme de communication a acces multiples a circuit de controle par comparaison pour la commutation des connexions entre bureaux
ATE3933T1 (de) Tastengesteuerte wechsel-, gegen- oder lautsprechanlage.
ES450594A1 (es) Un montaje para la seleccion directa de estaciones telefoni-cas.
GB2037128A (en) Electronic telephone on a chip
US4258230A (en) Party line telephone system
GB1238103A (fr)
JPS556928A (en) Extension answer connecting system for key telephone system
GB1265084A (fr)
JPS5728494A (en) Private branch of exchange system
JPS56123144A (en) Cordless telephone set
GB898917A (en) Improvements in or relating to electrical signalling systems
US2793248A (en) Portable intercommunication telephone
ES443673A1 (es) Una disposicion de interconexion telefonica.
JPS56119564A (en) Key telephone system
GB1297688A (fr)
SU634483A1 (ru) Устройство дл передачи данных по телефонным каналам

Legal Events

Date Code Title Description
ST Notification of lapse