ES8203183A1 - Perfeccionamientos en una instalacion de intercomunicacion electronica - Google Patents

Perfeccionamientos en una instalacion de intercomunicacion electronica

Info

Publication number: ES8203183A1
Authority: ES; Spain
Prior art keywords: relating; intercommunication installation; electronic intercommunication; electronic; installation
Prior art date: 1980-04-16
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.): Expired

Application number

ES501298A

Other languages

English (en)

Spanish (es)

Other versions

ES501298A0 (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.)

1980-04-16

Filing date

1981-04-13

Publication date

1982-03-01

1981-04-13 Application filed by La Telephone Industrielle et Commerciale Telic Alcatel SA filed Critical La Telephone Industrielle et Commerciale Telic Alcatel SA

1982-03-01 Publication of ES501298A0 publication Critical patent/ES501298A0/es

1982-03-01 Publication of ES8203183A1 publication Critical patent/ES8203183A1/es

Status Expired legal-status Critical Current

Links

238000009434 installation Methods 0.000 title abstract 2

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)

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 ES501298A0 (es)	1982-03-01
ES8203183A1 true 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

1980
- 1980-04-16 FR FR8008671A patent/FR2481033B1/fr not_active Expired
1981
- 1981-04-10 GB GB8111345A patent/GB2075306B/en not_active Expired
- 1981-04-13 ES ES501298A patent/ES8203183A1/es not_active Expired
- 1981-04-13 BR BR8102253A patent/BR8102253A/pt unknown
- 1981-04-14 IE IE839/81A patent/IE51482B1/en unknown
- 1981-04-14 SE SE8102382A patent/SE8102382L/ not_active Application Discontinuation
- 1981-04-14 DK DK170081A patent/DK170081A/da not_active IP Right Cessation
- 1981-04-14 DE DE19813114977 patent/DE3114977A1/de not_active Ceased
- 1981-04-14 IT IT21158/81A patent/IT1137365B/it active
- 1981-04-15 PT PT72871A patent/PT72871B/fr unknown
- 1981-04-15 JP JP5572781A patent/JPS579190A/ja active Pending
- 1981-04-15 BE BE0/204495A patent/BE888435A/fr not_active IP Right Cessation
- 1981-04-15 MX MX186897A patent/MX149212A/es unknown

Also Published As

Publication number	Publication date
DE3114977A1 (de)	1982-03-18
MX149212A (es)	1983-09-23
DK170081A (da)	1981-10-17
ES501298A0 (es)	1982-03-01
PT72871A (fr)	1981-05-01
JPS579190A (en)	1982-01-18
IE810839L (en)	1981-10-16
FR2481033A1 (fr)	1981-10-23
IT1137365B (it)	1986-09-10
SE8102382L (sv)	1981-10-17
GB2075306A (en)	1981-11-11
PT72871B (fr)	1982-03-29
IT8121158A0 (it)	1981-04-14
IE51482B1 (en)	1987-01-07
FR2481033B1 (fr)	1987-11-06
GB2075306B (en)	1985-02-13
BE888435A (fr)	1981-07-31
BR8102253A (pt)	1981-11-24

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