FR1494357A - Bell control device - Google Patents

Bell control device

Info

Publication number
FR1494357A
FR1494357A FR06007961A FR06007961A FR1494357A FR 1494357 A FR1494357 A FR 1494357A FR 06007961 A FR06007961 A FR 06007961A FR 06007961 A FR06007961 A FR 06007961A FR 1494357 A FR1494357 A FR 1494357A
Authority
FR
France
Prior art keywords
control device
bell control
bell
control
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
FR06007961A
Other languages
French (fr)
Inventor
Alain Croisier
Emile Morlec
Alain Pqulet
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.)
Compagnie IBM France SAS
Original Assignee
Compagnie IBM France SAS
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 Compagnie IBM France SAS filed Critical Compagnie IBM France SAS
Priority to FR06007961A priority Critical patent/FR1494357A/en
Application granted granted Critical
Publication of FR1494357A publication Critical patent/FR1494357A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR06007961A 1966-07-26 1966-07-26 Bell control device Expired FR1494357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR06007961A FR1494357A (en) 1966-07-26 1966-07-26 Bell control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR06007961A FR1494357A (en) 1966-07-26 1966-07-26 Bell control device

Publications (1)

Publication Number Publication Date
FR1494357A true FR1494357A (en) 1967-09-08

Family

ID=1586136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR06007961A Expired FR1494357A (en) 1966-07-26 1966-07-26 Bell control device

Country Status (1)

Country Link
FR (1) FR1494357A (en)

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