FR2131038A5 - - Google Patents

Info

Publication number
FR2131038A5
FR2131038A5 FR7111113A FR7111113A FR2131038A5 FR 2131038 A5 FR2131038 A5 FR 2131038A5 FR 7111113 A FR7111113 A FR 7111113A FR 7111113 A FR7111113 A FR 7111113A FR 2131038 A5 FR2131038 A5 FR 2131038A5
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.)
Expired
Application number
FR7111113A
Other languages
French (fr)
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.)
ASS OUVRIERS INSTR PRECI
Original Assignee
ASS OUVRIERS INSTR PRECI
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 ASS OUVRIERS INSTR PRECI filed Critical ASS OUVRIERS INSTR PRECI
Priority to FR7111113A priority Critical patent/FR2131038A5/fr
Application granted granted Critical
Publication of FR2131038A5 publication Critical patent/FR2131038A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR7111113A 1971-03-30 1971-03-30 Expired FR2131038A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7111113A FR2131038A5 (en) 1971-03-30 1971-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7111113A FR2131038A5 (en) 1971-03-30 1971-03-30

Publications (1)

Publication Number Publication Date
FR2131038A5 true FR2131038A5 (en) 1972-11-10

Family

ID=9074401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7111113A Expired FR2131038A5 (en) 1971-03-30 1971-03-30

Country Status (1)

Country Link
FR (1) FR2131038A5 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296324A1 (en) * 1974-12-27 1976-07-23 Ericsson Telefon Ab L M PERFECTED CALL DEVICE FOR TELEPHONY SYSTEMS
FR2334113A1 (en) * 1975-12-03 1977-07-01 Constr Telephoniques LINE CURRENT DETECTION CIRCUIT
FR2445666A1 (en) * 1978-12-30 1980-07-25 Plessey Handel Investment Ag LINE CIRCUIT FOR A TELECOMMUNICATION NETWORK PROVIDING THE CURRENT SUPPLY OF TERMINAL EQUIPMENT FOR TWO-LINE LINES IN FOUR-LINE LINES

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296324A1 (en) * 1974-12-27 1976-07-23 Ericsson Telefon Ab L M PERFECTED CALL DEVICE FOR TELEPHONY SYSTEMS
FR2334113A1 (en) * 1975-12-03 1977-07-01 Constr Telephoniques LINE CURRENT DETECTION CIRCUIT
FR2445666A1 (en) * 1978-12-30 1980-07-25 Plessey Handel Investment Ag LINE CIRCUIT FOR A TELECOMMUNICATION NETWORK PROVIDING THE CURRENT SUPPLY OF TERMINAL EQUIPMENT FOR TWO-LINE LINES IN FOUR-LINE LINES

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse