SE332014B - - Google Patents

Info

Publication number
SE332014B
SE332014B SE13062/69A SE1306269A SE332014B SE 332014 B SE332014 B SE 332014B SE 13062/69 A SE13062/69 A SE 13062/69A SE 1306269 A SE1306269 A SE 1306269A SE 332014 B SE332014 B SE 332014B
Authority
SE
Sweden
Application number
SE13062/69A
Inventor
F Vago
T Wolpert
Original Assignee
Ericsson Telefon Ab L M
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
Priority to BE756517D priority Critical patent/BE756517A/xx
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE13062/69A priority patent/SE332014B/xx
Priority to GB1169670*[A priority patent/GB1310820A/en
Priority to NL7012634A priority patent/NL7012634A/xx
Priority to US67156A priority patent/US3683118A/en
Priority to DE19702046669 priority patent/DE2046669A1/de
Priority to FR7034331A priority patent/FR2062509A5/fr
Priority to DK485370AA priority patent/DK122150B/da
Publication of SE332014B publication Critical patent/SE332014B/xx

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)
  • Devices For Supply Of Signal Current (AREA)
SE13062/69A 1969-09-23 1969-09-23 SE332014B (xx)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE756517D BE756517A (fr) 1969-09-23 Interrupteur pour signaux d'appel de centraux telephoniques automatiques
SE13062/69A SE332014B (xx) 1969-09-23 1969-09-23
GB1169670*[A GB1310820A (en) 1969-09-23 1970-03-11 Circuit suitable to control ringing signals in an automatic telephon exchange
NL7012634A NL7012634A (xx) 1969-09-23 1970-08-26
US67156A US3683118A (en) 1969-09-23 1970-08-26 Interruptor for ringing signals from automatic telephone exchanges
DE19702046669 DE2046669A1 (de) 1969-09-23 1970-09-14 Unterbrecher fur Rufzeichensignale bei Selbstwählfernsprechanlagen
FR7034331A FR2062509A5 (xx) 1969-09-23 1970-09-22
DK485370AA DK122150B (da) 1969-09-23 1970-09-22 Pulsator for ringesignaler fra automatiske telefoncentraler.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE13062/69A SE332014B (xx) 1969-09-23 1969-09-23

Publications (1)

Publication Number Publication Date
SE332014B true SE332014B (xx) 1971-01-25

Family

ID=20296754

Family Applications (1)

Application Number Title Priority Date Filing Date
SE13062/69A SE332014B (xx) 1969-09-23 1969-09-23

Country Status (8)

Country Link
US (1) US3683118A (xx)
BE (1) BE756517A (xx)
DE (1) DE2046669A1 (xx)
DK (1) DK122150B (xx)
FR (1) FR2062509A5 (xx)
GB (1) GB1310820A (xx)
NL (1) NL7012634A (xx)
SE (1) SE332014B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2138548B1 (xx) * 1971-05-19 1973-05-25 Ibm France
FR2172537A5 (xx) * 1972-02-17 1973-09-28 Constr Telephoniques
US3749846A (en) * 1972-06-08 1973-07-31 Gte Automatic Electric Lab Inc Ring trip circuit
US3919492A (en) * 1973-08-29 1975-11-11 Basic Inc Solid state interrupter
US3953683A (en) * 1974-10-29 1976-04-27 San/Bar Corporation Interrupter for telephone systems
NL7802423A (nl) * 1978-03-06 1979-09-10 Philips Nv Voedingsinrichting voor een lijnstroomloop.
US4955053A (en) * 1990-03-16 1990-09-04 Reliance Comm/Tec Corporation Solid state ringing switch
US6115469A (en) * 1998-08-25 2000-09-05 Unitrode Corporation Telephone line ring signal and DC power generator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3536852A (en) * 1969-01-23 1970-10-27 Lorain Prod Corp Telephone interruption switching circuitry

Also Published As

Publication number Publication date
DK122150B (da) 1972-01-24
US3683118A (en) 1972-08-08
NL7012634A (xx) 1971-03-25
BE756517A (fr) 1971-03-01
GB1310820A (en) 1973-03-21
FR2062509A5 (xx) 1971-06-25
DE2046669A1 (de) 1971-04-15

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