AR203408A1 - Generador de tension de ilamada para un terminal de estacion telefonica por onda portadoora - Google Patents

Generador de tension de ilamada para un terminal de estacion telefonica por onda portadoora

Info

Publication number
AR203408A1
AR203408A1 AR256412A AR25641274A AR203408A1 AR 203408 A1 AR203408 A1 AR 203408A1 AR 256412 A AR256412 A AR 256412A AR 25641274 A AR25641274 A AR 25641274A AR 203408 A1 AR203408 A1 AR 203408A1
Authority
AR
Argentina
Prior art keywords
ilamada
carrier wave
voltage generator
station terminal
telephone station
Prior art date
Application number
AR256412A
Other languages
English (en)
Original Assignee
Seismograph Serv Corp
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 Seismograph Serv Corp filed Critical Seismograph Serv Corp
Application granted granted Critical
Publication of AR203408A1 publication Critical patent/AR203408A1/es

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
    • 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
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
AR256412A 1973-11-05 1974-11-05 Generador de tension de ilamada para un terminal de estacion telefonica por onda portadoora AR203408A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US413143A US3886321A (en) 1973-11-05 1973-11-05 Ringing generator for telephone station terminal

Publications (1)

Publication Number Publication Date
AR203408A1 true AR203408A1 (es) 1975-09-08

Family

ID=23636028

Family Applications (1)

Application Number Title Priority Date Filing Date
AR256412A AR203408A1 (es) 1973-11-05 1974-11-05 Generador de tension de ilamada para un terminal de estacion telefonica por onda portadoora

Country Status (7)

Country Link
US (1) US3886321A (es)
JP (1) JPS5081005A (es)
AR (1) AR203408A1 (es)
BR (1) BR7408912A (es)
CA (1) CA1012267A (es)
IL (1) IL45762A (es)
OA (1) OA04843A (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010328A (en) * 1975-06-13 1977-03-01 The Anaconda Company Out-of-band signaling method and apparatus to adapt payphones to telephone systems
FR2408956A1 (fr) * 1976-12-29 1979-06-08 Cit Alcatel Dispositif pour l'emission d'un signal basse frequence de tension elevee par l'intermediaire d'une liaison a courants porteurs
US4152546A (en) * 1977-08-25 1979-05-01 Gte Automatic Electric Laboratories, Inc. Ringer power generator circuit for carrier subscriber station terminal
US4439634A (en) * 1982-04-02 1984-03-27 Gte Automatic Electric Incorporated Carrier subscriber telephone off-hook detector
US5233649A (en) * 1990-08-30 1993-08-03 Guerra Jr Roy H Telephone ringing module
US5490054A (en) * 1994-10-05 1996-02-06 Ferro Magnetics Corporation Ringing generator and method for converting DC to AC having continuously adjustable amplitude
US5663878A (en) * 1996-03-21 1997-09-02 Unitrode Corporation Apparatus and method for generating a low frequency AC signal
US6115469A (en) * 1998-08-25 2000-09-05 Unitrode Corporation Telephone line ring signal and DC power generator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639692A (en) * 1966-05-11 1972-02-01 Superior Continental Corp Subscriber terminal unit for telephone carrier system
IL27449A (en) * 1966-05-11 1972-02-29 Ped Inc Telephone system plus installations for use by main lines by subscribers
US3624300A (en) * 1966-05-11 1971-11-30 Superior Continental Corp Central office terminal unit for telephone carrier system
US3808379A (en) * 1972-05-30 1974-04-30 Gte Automatic Electric Lab Inc Telephone tone ringer

Also Published As

Publication number Publication date
IL45762A (en) 1977-06-30
IL45762A0 (en) 1974-12-31
US3886321A (en) 1975-05-27
JPS5081005A (es) 1975-07-01
BR7408912A (pt) 1976-05-04
AU7341674A (en) 1976-03-25
OA04843A (fr) 1980-10-31
CA1012267A (en) 1977-06-14

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