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GB2034557B - Transmission bridge for telephone subscriber's line circuit - Google Patents

Transmission bridge for telephone subscriber's line circuit

Info

Publication number
GB2034557B
GB2034557B GB7936047A GB7936047A GB2034557B GB 2034557 B GB2034557 B GB 2034557B GB 7936047 A GB7936047 A GB 7936047A GB 7936047 A GB7936047 A GB 7936047A GB 2034557 B GB2034557 B GB 2034557B
Authority
GB
United Kingdom
Prior art keywords
line circuit
telephone subscriber
transmission bridge
bridge
transmission
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB7936047A
Other versions
GB2034557A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB2034557A publication Critical patent/GB2034557A/en
Application granted granted Critical
Publication of GB2034557B publication Critical patent/GB2034557B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Amplifiers (AREA)
  • Confectionery (AREA)
GB7936047A 1978-10-20 1979-10-17 Transmission bridge for telephone subscriber's line circuit Expired GB2034557B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7810504A NL7810504A (en) 1978-10-20 1978-10-20 POWER BRIDGE FOR A SUBSCRIBER FLOW.

Publications (2)

Publication Number Publication Date
GB2034557A GB2034557A (en) 1980-06-04
GB2034557B true GB2034557B (en) 1982-12-01

Family

ID=19831748

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7936047A Expired GB2034557B (en) 1978-10-20 1979-10-17 Transmission bridge for telephone subscriber's line circuit

Country Status (10)

Country Link
JP (1) JPS5912065B2 (en)
AU (1) AU5188879A (en)
BE (1) BE879495A (en)
CA (1) CA1138140A (en)
DE (1) DE2941981C2 (en)
FR (1) FR2439519A1 (en)
GB (1) GB2034557B (en)
IT (1) IT1123890B (en)
NL (1) NL7810504A (en)
SE (1) SE434790B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551670A (en) * 1984-04-19 1985-11-05 At&T Bell Laboratories Circuit for maintaining the DC voltage on an electrically isolated telecommunication line at a reference level

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883300C (en) * 1945-03-21 1953-07-16 Aeg Dialer device with additions to the power supply for intercom stations that are equipped with amplifiers
GB1070901A (en) * 1963-01-03 1967-06-07 Post Office Improvements in or relating to telephone exchange systems
BE793240A (en) * 1971-12-27 1973-04-16 Western Electric Co REDUCED INSERTION LOSS COUPLER
US4007335A (en) * 1975-11-12 1977-02-08 Bell Telephone Laboratories, Incorporated Telephone line battery feed circuit

Also Published As

Publication number Publication date
JPS5912065B2 (en) 1984-03-21
BE879495A (en) 1980-04-18
JPS5556755A (en) 1980-04-25
DE2941981A1 (en) 1980-04-30
SE434790B (en) 1984-08-13
FR2439519A1 (en) 1980-05-16
SE7908577L (en) 1980-04-21
CA1138140A (en) 1982-12-21
IT7926572A0 (en) 1979-10-17
DE2941981C2 (en) 1983-04-21
AU5188879A (en) 1980-04-24
GB2034557A (en) 1980-06-04
IT1123890B (en) 1986-04-30
NL7810504A (en) 1980-04-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee