FR943597A - New call reception circuit - Google Patents

New call reception circuit

Info

Publication number
FR943597A
FR943597A FR943597DA FR943597A FR 943597 A FR943597 A FR 943597A FR 943597D A FR943597D A FR 943597DA FR 943597 A FR943597 A FR 943597A
Authority
FR
France
Prior art keywords
reception circuit
new call
call reception
new
circuit
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
Other languages
French (fr)
Inventor
Raoul Paresy Et Pelle
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.)
R T A
Original Assignee
R T A
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 R T A filed Critical R T A
Application granted granted Critical
Publication of FR943597A publication Critical patent/FR943597A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR943597D 1947-02-25 1947-02-25 New call reception circuit Expired FR943597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR943597T 1947-02-25

Publications (1)

Publication Number Publication Date
FR943597A true FR943597A (en) 1949-03-11

Family

ID=9471345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943597D Expired FR943597A (en) 1947-02-25 1947-02-25 New call reception circuit

Country Status (1)

Country Link
FR (1) FR943597A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2964680A (en) * 1957-12-31 1960-12-13 Bell Telephone Labor Inc Gas diode flip-flop or register circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2964680A (en) * 1957-12-31 1960-12-13 Bell Telephone Labor Inc Gas diode flip-flop or register circuit

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