ES8202999A1 - Improvements in or relating to universal intercommunications terminals - Google Patents

Improvements in or relating to universal intercommunications terminals

Info

Publication number
ES8202999A1
ES8202999A1 ES501521A ES501521A ES8202999A1 ES 8202999 A1 ES8202999 A1 ES 8202999A1 ES 501521 A ES501521 A ES 501521A ES 501521 A ES501521 A ES 501521A ES 8202999 A1 ES8202999 A1 ES 8202999A1
Authority
ES
Spain
Prior art keywords
universal
intercommunications
relating
terminals
pair
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.)
Expired
Application number
ES501521A
Other languages
Spanish (es)
Other versions
ES501521A0 (en
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 ES8202999A1 publication Critical patent/ES8202999A1/en
Publication of ES501521A0 publication Critical patent/ES501521A0/en
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/7385—Programmable or microprocessor-controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephone Set Structure (AREA)
  • Push-Button Switches (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Selective Calling Equipment (AREA)

Abstract

A universal intercommunication terminal 1 comprises a telephone set, keys 15, signalling members 19, and connection members 20. The terminal is connected to a central unit by three pairs of lines comprising a conversation pair 3, 4, a control pair 16, 17, and a power supply pair 23, 24.
ES501521A 1980-04-22 1981-04-21 IMPROVEMENTS IN A UNIVERSAL INTERCOMMUNICATION TERMINAL Granted ES501521A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8009471A FR2481031B1 (en) 1980-04-22 1980-04-22 UNIVERSAL INTERCOMMUNICATION TERMINAL

Publications (2)

Publication Number Publication Date
ES8202999A1 true ES8202999A1 (en) 1982-02-01
ES501521A0 ES501521A0 (en) 1982-02-01

Family

ID=9241395

Family Applications (1)

Application Number Title Priority Date Filing Date
ES501521A Granted ES501521A0 (en) 1980-04-22 1981-04-21 IMPROVEMENTS IN A UNIVERSAL INTERCOMMUNICATION TERMINAL

Country Status (13)

Country Link
JP (1) JPS56166660A (en)
BE (1) BE888436A (en)
BR (1) BR8102373A (en)
DE (1) DE3115823A1 (en)
DK (1) DK177581A (en)
ES (1) ES501521A0 (en)
FR (1) FR2481031B1 (en)
GB (1) GB2084834B (en)
IE (1) IE51700B1 (en)
IT (1) IT1135773B (en)
MX (1) MX148963A (en)
PT (1) PT72882B (en)
SE (1) SE8102381L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3214657C2 (en) * 1982-04-21 1985-07-04 ANT Nachrichtentechnik GmbH, 7150 Backnang Device for voice and / or data switching and transmission
FR2529419A1 (en) * 1982-06-29 1983-12-30 Thomson Csf Mat Tel UNIVERSAL TELEPHONE STATION WITH CUSTOMIZABLE FUNCTION KEYS

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1512755B2 (en) * 1967-01-28 1971-05-13 S Siedle & Sohne, Telefon u TeIe grafenwerke GmbH, 7743 Furtwangen TELEPHONE NUT SPECIAL FRONT PANEL
CA1018270A (en) * 1972-05-23 1977-09-27 Federico R. Laliccia Key telephone system using time division and space division control
FR2214166B1 (en) * 1973-01-12 1978-05-12 Serras Paulet Edouard
DE2355666A1 (en) * 1973-11-07 1975-05-22 Standard Elektrik Lorenz Ag TELEPHONE
US4046972A (en) * 1976-10-27 1977-09-06 Bell Telephone Laboratories, Incorporated Key telephone station set circuit
JPS5818037B2 (en) * 1978-01-23 1983-04-11 株式会社東芝 button phone
GB1542558A (en) * 1977-09-30 1979-03-21 Ibm Uk Keyboard construction
JPS5838999B2 (en) * 1978-06-23 1983-08-26 株式会社田村電機製作所 Signal transmission/reception method

Also Published As

Publication number Publication date
PT72882B (en) 1982-03-29
BE888436A (en) 1981-07-31
GB2084834B (en) 1984-04-11
DK177581A (en) 1981-10-23
IT1135773B (en) 1986-08-27
SE8102381L (en) 1981-10-23
JPS56166660A (en) 1981-12-21
MX148963A (en) 1983-07-28
GB2084834A (en) 1982-04-15
FR2481031B1 (en) 1988-06-10
FR2481031A1 (en) 1981-10-23
IE51700B1 (en) 1987-02-18
PT72882A (en) 1981-05-01
IE810854L (en) 1981-10-22
IT8121273A0 (en) 1981-04-17
ES501521A0 (en) 1982-02-01
DE3115823A1 (en) 1982-04-15
BR8102373A (en) 1981-12-22

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960401