BE821373A - SIGNAL CADENCER DEVICE - Google Patents

SIGNAL CADENCER DEVICE

Info

Publication number
BE821373A
BE821373A BE149788A BE149788A BE821373A BE 821373 A BE821373 A BE 821373A BE 149788 A BE149788 A BE 149788A BE 149788 A BE149788 A BE 149788A BE 821373 A BE821373 A BE 821373A
Authority
BE
Belgium
Prior art keywords
cadencer
signal
signal cadencer
cadencer device
Prior art date
Application number
BE149788A
Other languages
French (fr)
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 BE821373A publication Critical patent/BE821373A/en

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)
  • Thyristor Switches And Gates (AREA)
  • Dc-Dc Converters (AREA)
BE149788A 1973-11-23 1974-10-23 SIGNAL CADENCER DEVICE BE821373A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7341746A FR2252719B1 (en) 1973-11-23 1973-11-23

Publications (1)

Publication Number Publication Date
BE821373A true BE821373A (en) 1975-04-23

Family

ID=9128163

Family Applications (1)

Application Number Title Priority Date Filing Date
BE149788A BE821373A (en) 1973-11-23 1974-10-23 SIGNAL CADENCER DEVICE

Country Status (7)

Country Link
BE (1) BE821373A (en)
DE (1) DE2455160A1 (en)
FR (1) FR2252719B1 (en)
GB (1) GB1484286A (en)
IT (1) IT1030794B (en)
NL (1) NL7415085A (en)
SE (1) SE7414700L (en)

Also Published As

Publication number Publication date
SE7414700L (en) 1975-05-26
IT1030794B (en) 1979-04-10
GB1484286A (en) 1977-09-01
FR2252719B1 (en) 1978-12-01
DE2455160A1 (en) 1975-05-28
NL7415085A (en) 1975-05-27
FR2252719A1 (en) 1975-06-20

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