FR2118210A5 - - Google Patents

Info

Publication number
FR2118210A5
FR2118210A5 FR7044973A FR7044973A FR2118210A5 FR 2118210 A5 FR2118210 A5 FR 2118210A5 FR 7044973 A FR7044973 A FR 7044973A FR 7044973 A FR7044973 A FR 7044973A FR 2118210 A5 FR2118210 A5 FR 2118210A5
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
FR7044973A
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.)
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 FR7044973A priority Critical patent/FR2118210A5/fr
Priority to DE19712161479 priority patent/DE2161479A1/de
Application granted granted Critical
Publication of FR2118210A5 publication Critical patent/FR2118210A5/fr
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)
  • Devices For Supply Of Signal Current (AREA)
FR7044973A 1970-12-14 1970-12-14 Expired FR2118210A5 (OSRAM)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7044973A FR2118210A5 (OSRAM) 1970-12-14 1970-12-14
DE19712161479 DE2161479A1 (de) 1970-12-14 1971-12-10 Schaltungsanordnung zur Erzeugung von tonfrequenten Rufzeichen und eines Ruf taktes, insbesondere fur Fernsprechanlagen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7044973A FR2118210A5 (OSRAM) 1970-12-14 1970-12-14

Publications (1)

Publication Number Publication Date
FR2118210A5 true FR2118210A5 (OSRAM) 1972-07-28

Family

ID=9065732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7044973A Expired FR2118210A5 (OSRAM) 1970-12-14 1970-12-14

Country Status (2)

Country Link
DE (1) DE2161479A1 (OSRAM)
FR (1) FR2118210A5 (OSRAM)

Also Published As

Publication number Publication date
DE2161479A1 (de) 1972-06-15

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Legal Events

Date Code Title Description
ST Notification of lapse