RO88913A2 - Procede et circuit de generation du signal d'appel vers la ligne d'abonne - Google Patents

Procede et circuit de generation du signal d'appel vers la ligne d'abonne

Info

Publication number
RO88913A2
RO88913A2 RO84114616A RO11461684A RO88913A2 RO 88913 A2 RO88913 A2 RO 88913A2 RO 84114616 A RO84114616 A RO 84114616A RO 11461684 A RO11461684 A RO 11461684A RO 88913 A2 RO88913 A2 RO 88913A2
Authority
RO
Romania
Prior art keywords
generating
circuit
subscriber line
call signal
call
Prior art date
Application number
RO84114616A
Other languages
English (en)
Romanian (ro)
Inventor
Cristian Creosteanu
Liviu A Filippi
Lucian Mircea
Original Assignee
Intreprinderea"Electromagnetica",Ro
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 Intreprinderea"Electromagnetica",Ro filed Critical Intreprinderea"Electromagnetica",Ro
Priority to RO84114616A priority Critical patent/RO88913A2/fr
Publication of RO88913A2 publication Critical patent/RO88913A2/fr

Links

RO84114616A 1984-05-21 1984-05-21 Procede et circuit de generation du signal d'appel vers la ligne d'abonne RO88913A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO84114616A RO88913A2 (fr) 1984-05-21 1984-05-21 Procede et circuit de generation du signal d'appel vers la ligne d'abonne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO84114616A RO88913A2 (fr) 1984-05-21 1984-05-21 Procede et circuit de generation du signal d'appel vers la ligne d'abonne

Publications (1)

Publication Number Publication Date
RO88913A2 true RO88913A2 (fr) 1986-03-31

Family

ID=20114950

Family Applications (1)

Application Number Title Priority Date Filing Date
RO84114616A RO88913A2 (fr) 1984-05-21 1984-05-21 Procede et circuit de generation du signal d'appel vers la ligne d'abonne

Country Status (1)

Country Link
RO (1) RO88913A2 (fr)

Similar Documents

Publication Publication Date Title
DE3572743D1 (en) Tone signal generating apparatus
SG52632A1 (en) Tone generation system
GB2137399B (en) Tone waveshape generation device
EP0521537A3 (en) Tone signal generation device
EP0199192A3 (en) Tone signal generation device
GB2149599B (en) Signal generator
EP0206786A3 (en) Tone signal generation device
IT1149407B (it) Trasmettitore di elevata densita' di potenza
DE3279190D1 (en) Sound generator
DE3569164D1 (en) Tone signal generation device
RO88913A2 (fr) Procede et circuit de generation du signal d'appel vers la ligne d'abonne
DE3362810D1 (en) Ringing signal generator
JPS57210397A (en) Electronic tone generator
FR2628272B1 (fr) Circuit de conversion numerique-analogique et procede associe
GB2113044B (en) Telephone ringing signal generation
GB2134752B (en) Tone generator
JPS57164799A (en) Signal sound generator
FR2559973B1 (fr) Circuit amplificateur antiphase et procede de realisation d'un tel circuit
EP0166810A3 (en) Method and apparatus for the generation of dialing tones
JPS56107300A (en) Background sound generator
KR880005361U (ko) 콘버터의 게이트 시그널 발생회로
RO90920A2 (fr) Methode et dispositif de generation des aeroions avec faisceau dirige
JPS57139796A (en) Intermittent sound generator
ES272884Y (es) "montura perfeccionada"
YU44243B (en) Device for producing generator's and water gass from charcoal