JPS579190A - Electronic mutual communication device - Google Patents

Electronic mutual communication device

Info

Publication number
JPS579190A
JPS579190A JP5572781A JP5572781A JPS579190A JP S579190 A JPS579190 A JP S579190A JP 5572781 A JP5572781 A JP 5572781A JP 5572781 A JP5572781 A JP 5572781A JP S579190 A JPS579190 A JP S579190A
Authority
JP
Japan
Prior art keywords
communication device
mutual communication
electronic mutual
electronic
mutual
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.)
Pending
Application number
JP5572781A
Other languages
English (en)
Japanese (ja)
Inventor
Shiyaabon Jiyannpieeru
Boon Andore
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.)
ALE International SAS
Original Assignee
La Telephone Industrielle et Commerciale Telic Alcatel SA
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 La Telephone Industrielle et Commerciale Telic Alcatel SA filed Critical La Telephone Industrielle et Commerciale Telic Alcatel SA
Publication of JPS579190A publication Critical patent/JPS579190A/ja
Pending legal-status Critical Current

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)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP5572781A 1980-04-16 1981-04-15 Electronic mutual communication device Pending JPS579190A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8008671A FR2481033B1 (fr) 1980-04-16 1980-04-16 Installation d'intercommunication electronique

Publications (1)

Publication Number Publication Date
JPS579190A true JPS579190A (en) 1982-01-18

Family

ID=9241034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5572781A Pending JPS579190A (en) 1980-04-16 1981-04-15 Electronic mutual communication device

Country Status (13)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59228828A (ja) * 1983-06-11 1984-12-22 萱沢　文男 眼体の螢光量測定装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638124A (en) * 1984-09-21 1987-01-20 Itt Corporation Key telephone system with distributed control

Citations (1)

* 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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112261A (en) * 1977-05-16 1978-09-05 The Anaconda Company Key telephone system and method

Patent Citations (1)

* 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59228828A (ja) * 1983-06-11 1984-12-22 萱沢　文男 眼体の螢光量測定装置

Also Published As

Publication number Publication date
BR8102253A (pt) 1981-11-24
IT8121158A0 (it) 1981-04-14
IE810839L (en) 1981-10-16
FR2481033A1 (fr) 1981-10-23
GB2075306A (en) 1981-11-11
ES501298A0 (es) 1982-03-01
FR2481033B1 (fr) 1987-11-06
BE888435A (fr) 1981-07-31
ES8203183A1 (es) 1982-03-01
IE51482B1 (en) 1987-01-07
GB2075306B (en) 1985-02-13
PT72871B (fr) 1982-03-29
PT72871A (fr) 1981-05-01
DK170081A (da) 1981-10-17
SE8102382L (sv) 1981-10-17
MX149212A (es) 1983-09-23
IT1137365B (it) 1986-09-10
DE3114977A1 (de) 1982-03-18

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