BE833740A - Systeme de distribution de tonalites applicable dans un central telephonique - Google Patents

Systeme de distribution de tonalites applicable dans un central telephonique

Info

Publication number
BE833740A
BE833740A BE2054578A BE2054578A BE833740A BE 833740 A BE833740 A BE 833740A BE 2054578 A BE2054578 A BE 2054578A BE 2054578 A BE2054578 A BE 2054578A BE 833740 A BE833740 A BE 833740A
Authority
BE
Belgium
Prior art keywords
distribution system
system applicable
telephone central
tone distribution
tone
Prior art date
Application number
BE2054578A
Other languages
English (en)
Inventor
G M Le Cardonnel
J S Dobek
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 filed Critical
Publication of BE833740A publication Critical patent/BE833740A/fr

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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE2054578A 1974-09-24 1975-09-24 Systeme de distribution de tonalites applicable dans un central telephonique BE833740A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7432119A FR2286566A1 (fr) 1974-09-24 1974-09-24 Systeme de distribution de tonalites applicable dans un central telephonique

Publications (1)

Publication Number Publication Date
BE833740A true BE833740A (fr) 1976-03-24

Family

ID=9143364

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2054578A BE833740A (fr) 1974-09-24 1975-09-24 Systeme de distribution de tonalites applicable dans un central telephonique

Country Status (2)

Country Link
BE (1) BE833740A (fr)
FR (1) FR2286566A1 (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2079947A5 (fr) * 1970-02-18 1971-11-12 Constr Telephoniques

Also Published As

Publication number Publication date
FR2286566B1 (fr) 1978-09-15
FR2286566A1 (fr) 1976-04-23

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