FR1420563A - DC detector - Google Patents

DC detector

Info

Publication number
FR1420563A
FR1420563A FR993128A FR993128A FR1420563A FR 1420563 A FR1420563 A FR 1420563A FR 993128 A FR993128 A FR 993128A FR 993128 A FR993128 A FR 993128A FR 1420563 A FR1420563 A FR 1420563A
Authority
FR
France
Prior art keywords
detector
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
FR993128A
Other languages
French (fr)
Inventor
Jean Thivend
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT 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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR993128A priority Critical patent/FR1420563A/en
Application granted granted Critical
Publication of FR1420563A publication Critical patent/FR1420563A/en
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)
FR993128A 1964-10-29 1964-10-29 DC detector Expired FR1420563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR993128A FR1420563A (en) 1964-10-29 1964-10-29 DC detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR993128A FR1420563A (en) 1964-10-29 1964-10-29 DC detector

Publications (1)

Publication Number Publication Date
FR1420563A true FR1420563A (en) 1965-12-10

Family

ID=8841349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR993128A Expired FR1420563A (en) 1964-10-29 1964-10-29 DC detector

Country Status (1)

Country Link
FR (1) FR1420563A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390065A1 (en) * 1977-05-03 1978-12-01 Constr Telephoniques Monitor for telephonic loop current detector logic state - uses transformer coupling to reference voltage and interrogation pulse source
EP0020822A1 (en) * 1979-06-21 1981-01-07 Amper S.A. Current detector circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390065A1 (en) * 1977-05-03 1978-12-01 Constr Telephoniques Monitor for telephonic loop current detector logic state - uses transformer coupling to reference voltage and interrogation pulse source
EP0020822A1 (en) * 1979-06-21 1981-01-07 Amper S.A. Current detector circuit

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