ES501298A0 - Perfeccionamientos en una instalacion de intercomunicacion electronica - Google Patents

Perfeccionamientos en una instalacion de intercomunicacion electronica

Info

Publication number
ES501298A0
ES501298A0 ES501298A ES501298A ES501298A0 ES 501298 A0 ES501298 A0 ES 501298A0 ES 501298 A ES501298 A ES 501298A ES 501298 A ES501298 A ES 501298A ES 501298 A0 ES501298 A0 ES 501298A0
Authority
ES
Spain
Prior art keywords
intercommunication installation
electronic intercommunication
electronic
installation
intercommunication
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.)
Granted
Application number
ES501298A
Other languages
English (en)
Spanish (es)
Other versions
ES8203183A1 (es
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 ES501298A0 publication Critical patent/ES501298A0/es
Publication of ES8203183A1 publication Critical patent/ES8203183A1/es
Expired 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
ES501298A 1980-04-16 1981-04-13 Perfeccionamientos en una instalacion de intercomunicacion electronica Expired ES8203183A1 (es)

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 (2)

Publication Number Publication Date
ES501298A0 true ES501298A0 (es) 1982-03-01
ES8203183A1 ES8203183A1 (es) 1982-03-01

Family

ID=9241034

Family Applications (1)

Application Number Title Priority Date Filing Date
ES501298A Expired ES8203183A1 (es) 1980-04-16 1981-04-13 Perfeccionamientos en una instalacion de intercomunicacion electronica

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)

Families Citing this family (2)

* 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
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
FR2481033A1 (fr) 1981-10-23
DE3114977A1 (de) 1982-03-18
GB2075306B (en) 1985-02-13
IE810839L (en) 1981-10-16
PT72871A (fr) 1981-05-01
SE8102382L (sv) 1981-10-17
JPS579190A (en) 1982-01-18
IE51482B1 (en) 1987-01-07
ES8203183A1 (es) 1982-03-01
IT1137365B (it) 1986-09-10
IT8121158A0 (it) 1981-04-14
FR2481033B1 (fr) 1987-11-06
BE888435A (fr) 1981-07-31
MX149212A (es) 1983-09-23
BR8102253A (pt) 1981-11-24
GB2075306A (en) 1981-11-11
DK170081A (da) 1981-10-17
PT72871B (fr) 1982-03-29

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