FR2354669B1 - - Google Patents

Info

Publication number
FR2354669B1
FR2354669B1 FR7617745A FR7617745A FR2354669B1 FR 2354669 B1 FR2354669 B1 FR 2354669B1 FR 7617745 A FR7617745 A FR 7617745A FR 7617745 A FR7617745 A FR 7617745A FR 2354669 B1 FR2354669 B1 FR 2354669B1
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
FR7617745A
Other languages
French (fr)
Other versions
FR2354669A1 (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.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications 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 Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR7617745A priority Critical patent/FR2354669A1/en
Priority to ES459632A priority patent/ES459632A1/en
Publication of FR2354669A1 publication Critical patent/FR2354669A1/en
Application granted granted Critical
Publication of FR2354669B1 publication Critical patent/FR2354669B1/fr
Granted 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
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/244—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
FR7617745A 1976-06-11 1976-06-11 Visual logic state detector for remote units in PCM system - has transmission cables connected to central unit with control circuit Granted FR2354669A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7617745A FR2354669A1 (en) 1976-06-11 1976-06-11 Visual logic state detector for remote units in PCM system - has transmission cables connected to central unit with control circuit
ES459632A ES459632A1 (en) 1976-06-11 1977-06-08 Visual logic state detector for remote units in PCM system - has transmission cables connected to central unit with control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7617745A FR2354669A1 (en) 1976-06-11 1976-06-11 Visual logic state detector for remote units in PCM system - has transmission cables connected to central unit with control circuit

Publications (2)

Publication Number Publication Date
FR2354669A1 FR2354669A1 (en) 1978-01-06
FR2354669B1 true FR2354669B1 (en) 1983-02-18

Family

ID=9174270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617745A Granted FR2354669A1 (en) 1976-06-11 1976-06-11 Visual logic state detector for remote units in PCM system - has transmission cables connected to central unit with control circuit

Country Status (2)

Country Link
ES (1) ES459632A1 (en)
FR (1) FR2354669A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435416A (en) * 1964-10-29 1969-03-25 Bell Telephone Labor Inc Monitoring and control system
US3940739A (en) * 1974-07-05 1976-02-24 Telephone & Data Products, Inc. Alarm reporting system

Also Published As

Publication number Publication date
FR2354669A1 (en) 1978-01-06
ES459632A1 (en) 1978-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse