SE8102382L - ELECTRONIC QUICK PHONE SYSTEM - Google Patents

ELECTRONIC QUICK PHONE SYSTEM

Info

Publication number
SE8102382L
SE8102382L SE8102382A SE8102382A SE8102382L SE 8102382 L SE8102382 L SE 8102382L SE 8102382 A SE8102382 A SE 8102382A SE 8102382 A SE8102382 A SE 8102382A SE 8102382 L SE8102382 L SE 8102382L
Authority
SE
Sweden
Prior art keywords
phone system
electronic quick
quick phone
electronic
star scheme
Prior art date
Application number
SE8102382A
Other languages
Unknown language ( )
Swedish (sv)
Inventor
J-P Chambon
A Bohn
Original Assignee
Telephonie Ind Commerciale
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 Telephonie Ind Commerciale filed Critical Telephonie Ind Commerciale
Publication of SE8102382L publication Critical patent/SE8102382L/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
    • H04M9/007—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 wherein the key telephone sets are star-connected to a central unit by a limited number of lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

There is provided an electronic intercommunication installation which comprises a central unit 1 connected to a plurality of intercommunication terminals 2, 3 by a first star scheme comprising three connection pairs per terminal. The control unit is connected to a plurality of external lines 4, 5 by a second star scheme. <IMAGE>
SE8102382A 1980-04-16 1981-04-14 ELECTRONIC QUICK PHONE SYSTEM SE8102382L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8008671A FR2481033B1 (en) 1980-04-16 1980-04-16 ELECTRONIC INTERCOMMUNICATION INSTALLATION

Publications (1)

Publication Number Publication Date
SE8102382L true SE8102382L (en) 1981-10-17

Family

ID=9241034

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8102382A SE8102382L (en) 1980-04-16 1981-04-14 ELECTRONIC QUICK PHONE SYSTEM

Country Status (13)

Country Link
JP (1) JPS579190A (en)
BE (1) BE888435A (en)
BR (1) BR8102253A (en)
DE (1) DE3114977A1 (en)
DK (1) DK170081A (en)
ES (1) ES8203183A1 (en)
FR (1) FR2481033B1 (en)
GB (1) GB2075306B (en)
IE (1) IE51482B1 (en)
IT (1) IT1137365B (en)
MX (1) MX149212A (en)
PT (1) PT72871B (en)
SE (1) SE8102382L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59228828A (en) * 1983-06-11 1984-12-22 萱沢　文男 Fluorescent amount measuring apparatus of eye body
US4638124A (en) * 1984-09-21 1987-01-20 Itt Corporation Key telephone system with distributed control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119606A (en) * 1977-03-28 1978-10-19 Toshiba Corp Double concentrating transmission system of tree-pair line
US4112261A (en) * 1977-05-16 1978-09-05 The Anaconda Company Key telephone system and method

Also Published As

Publication number Publication date
GB2075306A (en) 1981-11-11
DK170081A (en) 1981-10-17
PT72871B (en) 1982-03-29
PT72871A (en) 1981-05-01
BR8102253A (en) 1981-11-24
ES501298A0 (en) 1982-03-01
IE51482B1 (en) 1987-01-07
IT8121158A0 (en) 1981-04-14
FR2481033A1 (en) 1981-10-23
DE3114977A1 (en) 1982-03-18
GB2075306B (en) 1985-02-13
JPS579190A (en) 1982-01-18
ES8203183A1 (en) 1982-03-01
IE810839L (en) 1981-10-16
IT1137365B (en) 1986-09-10
FR2481033B1 (en) 1987-11-06
BE888435A (en) 1981-07-31
MX149212A (en) 1983-09-23

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