FR2138023A1 - - Google Patents

Info

Publication number
FR2138023A1
FR2138023A1 FR7217631A FR7217631A FR2138023A1 FR 2138023 A1 FR2138023 A1 FR 2138023A1 FR 7217631 A FR7217631 A FR 7217631A FR 7217631 A FR7217631 A FR 7217631A FR 2138023 A1 FR2138023 A1 FR 2138023A1
Authority
FR
France
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
FR7217631A
Other languages
French (fr)
Other versions
FR2138023B1 (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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of FR2138023A1 publication Critical patent/FR2138023A1/fr
Application granted granted Critical
Publication of FR2138023B1 publication Critical patent/FR2138023B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR7217631A 1971-05-18 1972-05-17 Expired FR2138023B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE641271A SE352798B (en) 1971-05-18 1971-05-18

Publications (2)

Publication Number Publication Date
FR2138023A1 true FR2138023A1 (en) 1972-12-29
FR2138023B1 FR2138023B1 (en) 1973-07-13

Family

ID=20268607

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7217631A Expired FR2138023B1 (en) 1971-05-18 1972-05-17

Country Status (12)

Country Link
JP (1) JPS5529631B1 (en)
AU (1) AU465426B2 (en)
CA (1) CA944090A (en)
DE (1) DE2223539C3 (en)
DK (1) DK142479C (en)
ES (1) ES402811A1 (en)
FI (1) FI56294C (en)
FR (1) FR2138023B1 (en)
GB (1) GB1388039A (en)
IT (1) IT955625B (en)
NO (1) NO129824B (en)
SE (1) SE352798B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2841328C2 (en) * 1978-09-20 1983-09-29 Siemens AG, 1000 Berlin und 8000 München Special telephone system with telephoto control device
BR9002488A (en) * 1990-04-04 1991-11-12 Mentel Mensagens Telefonicos E AUTOMATIC SYSTEM FOR REPRODUCTION OF RECORDED MESSAGE IN VOICE ON TELEPHONE LINE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1512938A1 (en) * 1967-04-28 1969-07-17 Siemens Ag Circuit arrangement for telephone systems, in particular telephone extension systems with central control
FR2072693A5 (en) * 1969-12-22 1971-09-24 Fernseh Gmbh

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1512938A1 (en) * 1967-04-28 1969-07-17 Siemens Ag Circuit arrangement for telephone systems, in particular telephone extension systems with central control
FR2072693A5 (en) * 1969-12-22 1971-09-24 Fernseh Gmbh

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PROCEEDINGS OF THE S.I.D., vol. 11, no. 3, 3me trimestre 1970, pages 140-144, Los Angeles, US; *

Also Published As

Publication number Publication date
CA944090A (en) 1974-03-19
FI56294C (en) 1979-12-10
ES402811A1 (en) 1975-04-01
SE352798B (en) 1973-01-08
DK142479B (en) 1980-11-03
DE2223539B2 (en) 1974-09-05
GB1388039A (en) 1975-03-19
AU465426B2 (en) 1975-09-25
NO129824B (en) 1974-05-27
IT955625B (en) 1973-09-29
AU4194372A (en) 1973-11-08
DE2223539C3 (en) 1978-04-13
DE2223539A1 (en) 1972-11-30
FI56294B (en) 1979-08-31
DK142479C (en) 1981-03-16
JPS5529631B1 (en) 1980-08-05
FR2138023B1 (en) 1973-07-13

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Legal Events

Date Code Title Description
ST Notification of lapse