NL7414563A - TELEPHONE INSTALLATION WITH A CENTRAL CONTROLLER. - Google Patents

TELEPHONE INSTALLATION WITH A CENTRAL CONTROLLER.

Info

Publication number
NL7414563A
NL7414563A NL7414563A NL7414563A NL7414563A NL 7414563 A NL7414563 A NL 7414563A NL 7414563 A NL7414563 A NL 7414563A NL 7414563 A NL7414563 A NL 7414563A NL 7414563 A NL7414563 A NL 7414563A
Authority
NL
Netherlands
Prior art keywords
central controller
telephone installation
telephone
installation
controller
Prior art date
Application number
NL7414563A
Other languages
Dutch (nl)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of NL7414563A publication Critical patent/NL7414563A/en

Links

Classifications

    • 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)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Time-Division Multiplex Systems (AREA)
NL7414563A 1973-11-12 1974-11-08 TELEPHONE INSTALLATION WITH A CENTRAL CONTROLLER. NL7414563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732356448 DE2356448C2 (en) 1973-11-12 1973-11-12 Series system with a central control

Publications (1)

Publication Number Publication Date
NL7414563A true NL7414563A (en) 1975-05-14

Family

ID=5897877

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7414563A NL7414563A (en) 1973-11-12 1974-11-08 TELEPHONE INSTALLATION WITH A CENTRAL CONTROLLER.

Country Status (7)

Country Link
BE (1) BE821976A (en)
DE (1) DE2356448C2 (en)
DK (1) DK576974A (en)
FR (1) FR2251147B1 (en)
GB (1) GB1453496A (en)
IT (1) IT1025562B (en)
NL (1) NL7414563A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320020A1 (en) * 1975-08-01 1977-02-25 Gte Atea Nv Electronic trunk line connected communication system - has modular unit construction with central unit, several trunk lines and local subscriber links
GB1538995A (en) * 1976-03-10 1979-01-24 Chestel Inc Time division multiplexed pabx communication switching system
DE2752987C2 (en) * 1977-11-28 1984-12-20 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Circuit arrangement for displaying different, preferably optical, identifiers by means of display elements in terminals of a telecommunications system
DE3036205A1 (en) * 1980-09-25 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Digital data transmission between exchange and terminal - using rising edge of each logic one pulse for synchronising terminal with exchange
DE3112894C2 (en) * 1981-03-31 1985-06-27 Siemens AG, 1000 Berlin und 8000 München Transmit and receive unit for binary control data signals to be transmitted in telephone exchanges, especially in small private branch exchanges
CA1169597A (en) * 1981-09-11 1984-06-19 Gordon D. Benning Home communications and control system
US4523056A (en) * 1982-12-27 1985-06-11 Reliance Electric Company Telephone including resistive array for dialing and system for using such telephone

Also Published As

Publication number Publication date
FR2251147B1 (en) 1982-04-02
BE821976A (en) 1975-05-09
AU7639274A (en) 1976-06-17
GB1453496A (en) 1976-10-20
DK576974A (en) 1975-07-14
FR2251147A1 (en) 1975-06-06
DE2356448A1 (en) 1975-05-15
DE2356448C2 (en) 1983-01-20
IT1025562B (en) 1978-08-30

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