FR2079947A5 - - Google Patents

Info

Publication number
FR2079947A5
FR2079947A5 FR7005744A FR7005744A FR2079947A5 FR 2079947 A5 FR2079947 A5 FR 2079947A5 FR 7005744 A FR7005744 A FR 7005744A FR 7005744 A FR7005744 A FR 7005744A FR 2079947 A5 FR2079947 A5 FR 2079947A5
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
FR7005744A
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.)
Thales SA
Laboratoire Central de Telecommunications SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA, Laboratoire Central de Telecommunications SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR7005744A priority Critical patent/FR2079947A5/fr
Priority to DE19712107143 priority patent/DE2107143A1/de
Priority to ES388415A priority patent/ES388415A1/es
Application granted granted Critical
Publication of FR2079947A5 publication Critical patent/FR2079947A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)
FR7005744A 1970-02-18 1970-02-18 Expired FR2079947A5 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7005744A FR2079947A5 (fr) 1970-02-18 1970-02-18
DE19712107143 DE2107143A1 (de) 1970-02-18 1971-02-15 Hörzeichenübertragungssystem
ES388415A ES388415A1 (es) 1970-02-18 1971-02-18 Mejoras en los circuitos de transmision de tono.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7005744A FR2079947A5 (fr) 1970-02-18 1970-02-18

Publications (1)

Publication Number Publication Date
FR2079947A5 true FR2079947A5 (fr) 1971-11-12

Family

ID=9050845

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7005744A Expired FR2079947A5 (fr) 1970-02-18 1970-02-18

Country Status (3)

Country Link
DE (1) DE2107143A1 (fr)
ES (1) ES388415A1 (fr)
FR (1) FR2079947A5 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2286566A1 (fr) * 1974-09-24 1976-04-23 Constr Telephoniques Systeme de distribution de tonalites applicable dans un central telephonique
EP0286795A3 (fr) * 1987-04-14 1990-04-25 Telenorma Gmbh Circuit pour la connexion du courant de sonnerie dans des centraux de télécommunications, spécialement dans des centraux téléphoniques

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2286566A1 (fr) * 1974-09-24 1976-04-23 Constr Telephoniques Systeme de distribution de tonalites applicable dans un central telephonique
EP0286795A3 (fr) * 1987-04-14 1990-04-25 Telenorma Gmbh Circuit pour la connexion du courant de sonnerie dans des centraux de télécommunications, spécialement dans des centraux téléphoniques

Also Published As

Publication number Publication date
ES388415A1 (es) 1973-05-01
DE2107143A1 (de) 1971-09-30

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse