BE821977R - Telefooninstallatie met een centrale besturing - Google Patents

Telefooninstallatie met een centrale besturing

Info

Publication number
BE821977R
BE821977R BE2053967A BE2053967A BE821977R BE 821977 R BE821977 R BE 821977R BE 2053967 A BE2053967 A BE 2053967A BE 2053967 A BE2053967 A BE 2053967A BE 821977 R BE821977 R BE 821977R
Authority
BE
Belgium
Prior art keywords
central controller
telephone installation
telephone
installation
controller
Prior art date
Application number
BE2053967A
Other languages
English (en)
Dutch (nl)
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 filed Critical
Application granted granted Critical
Publication of BE821977R publication Critical patent/BE821977R/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE2053967A 1973-11-09 1974-11-08 Telefooninstallatie met een centrale besturing BE821977R (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732356095 DE2356095C3 (de) 1973-11-09 1973-11-09 Signalverfahren für Fernsprechreihenanlagen

Publications (1)

Publication Number Publication Date
BE821977R true BE821977R (nl) 1975-05-09

Family

ID=5897687

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2053967A BE821977R (nl) 1973-11-09 1974-11-08 Telefooninstallatie met een centrale besturing

Country Status (8)

Country Link
AU (1) AU7490474A (es)
BE (1) BE821977R (es)
DE (1) DE2356095C3 (es)
DK (1) DK577074A (es)
ES (1) ES431772A1 (es)
FR (1) FR2251141B1 (es)
IT (1) IT1025484B (es)
NL (1) NL7414330A (es)

Also Published As

Publication number Publication date
NL7414330A (nl) 1975-05-13
AU7490474A (en) 1976-05-06
DK577074A (es) 1975-07-07
DE2356095B2 (de) 1978-10-19
DE2356095A1 (de) 1975-05-28
DE2356095C3 (de) 1979-06-13
FR2251141B1 (es) 1978-09-15
ES431772A1 (es) 1976-09-01
FR2251141A1 (es) 1975-06-06
IT1025484B (it) 1978-08-10

Similar Documents

Publication Publication Date Title
IT1010818B (it) Struttura a cuscinetto
BR7404363D0 (pt) Instalacao de elevador
IT1011953B (it) Sistema di commutazione telefonica a comandi progressivi
IT1026981B (it) Struttura incorporante un sistema circolatoric
NL7413896A (nl) Douche-installatie.
IL44296A0 (en) Building structure
IT1005417B (it) Innesto a comando idraulico
ES221659Y (es) Un panel laminar prefabricado.
SE393423B (sv) Byggnadsstotta
IT1012180B (it) Ammine terziarie
IT1024041B (it) Impianto d ascensore con meccanismo di controllo a magnetipermamenti
IT1010656B (it) Installazione di sollevamento
BE821976A (nl) Telefooninstallatie met een centrale besturing
BE801430A (nl) Een geheugensysteem
NL7409520A (nl) Telefoonverbindingsinstallatie.
SE400341B (sv) Endstruktur for en panel
NL7409003A (nl) Gebouw met een aantal verdiepingen.
BE821977R (nl) Telefooninstallatie met een centrale besturing
CH548724A (it) Centrale di commutazione telefonica a divisione di tempo.
NL7410304A (nl) Eenfasige gelijkspanningsomzetter met een formator.
NL7511408A (nl) Centrale verwarmingsinstallatie.
AT347099B (de) Installationseinheit
NL7410412A (nl) Montuur voor een telefooninstallatie.
NL175151C (nl) Kraanwagen met hulpwagen.
AT338359B (de) Unterputz-installationsgerate-einsatz

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INTERNATIONAL STANDARD ELECTRIC CORP.

Effective date: 19851130