BR6789555D0 - Sistemas portadores de assinantes - Google Patents

Sistemas portadores de assinantes

Info

Publication number
BR6789555D0
BR6789555D0 BR189555/67A BR18955567A BR6789555D0 BR 6789555 D0 BR6789555 D0 BR 6789555D0 BR 189555/67 A BR189555/67 A BR 189555/67A BR 18955567 A BR18955567 A BR 18955567A BR 6789555 D0 BR6789555 D0 BR 6789555D0
Authority
BR
Brazil
Prior art keywords
carrier systems
subscriber carrier
subscriber
systems
carrier
Prior art date
Application number
BR189555/67A
Other languages
English (en)
Inventor
Sa Se
Original Assignee
Sa Se
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 Sa Se filed Critical Sa Se
Publication of BR6789555D0 publication Critical patent/BR6789555D0/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
BR189555/67A 1966-05-19 1967-05-18 Sistemas portadores de assinantes BR6789555D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55133266A 1966-05-19 1966-05-19

Publications (1)

Publication Number Publication Date
BR6789555D0 true BR6789555D0 (pt) 1973-12-26

Family

ID=24200835

Family Applications (1)

Application Number Title Priority Date Filing Date
BR189555/67A BR6789555D0 (pt) 1966-05-19 1967-05-18 Sistemas portadores de assinantes

Country Status (5)

Country Link
US (1) US3459895A (pt)
BE (1) BE698672A (pt)
BR (1) BR6789555D0 (pt)
GB (1) GB1151275A (pt)
NL (1) NL6707012A (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535472A (en) * 1967-07-21 1970-10-20 Bell Telephone Labor Inc Repeatered cable transmission systems utilizing dc to dc converters
US3522384A (en) * 1968-01-16 1970-07-28 Tri State Communication Servic Constant current operation of central office telephone equipment
FR2133272A5 (pt) * 1971-04-15 1972-11-24 Trt Telecom Radio Electr
US3742450A (en) * 1971-05-12 1973-06-26 Bell Telephone Labor Inc Isolating power supply for communication loop
US3763323A (en) * 1971-10-12 1973-10-02 Stromberg Carlson Corp Current splitting arrangement
CA998484A (en) * 1973-06-26 1976-10-12 Michael C.J. Cowpland Audio frequency signalling systems for telephone systems
US4004110A (en) * 1975-10-07 1977-01-18 Westinghouse Electric Corporation Power supply for power line carrier communication systems
US4015091A (en) * 1975-12-05 1977-03-29 Bell Telephone Laboratories, Incorporated Telephone ringing generators
FR2530104B1 (fr) * 1982-07-12 1986-10-24 Constr Telephoniques Circuit de couplage de ligne additionnelle a un poste d'intercommunication
US4593389A (en) * 1984-06-28 1986-06-03 Henry Wurzburg Simultaneous voice and asynchronous data telephone

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535906A (en) * 1946-06-06 1950-12-26 Dillon & Co W C Carrier wave communication system
US3105125A (en) * 1959-10-30 1963-09-24 Bell Telephone Labor Inc Power separation filter

Also Published As

Publication number Publication date
GB1151275A (en) 1969-05-07
BE698672A (pt) 1967-11-20
NL6707012A (pt) 1967-11-20
US3459895A (en) 1969-08-05

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