GB2012521B - Feed bridge for telephone line - Google Patents

Feed bridge for telephone line

Info

Publication number
GB2012521B
GB2012521B GB7900252A GB7900252A GB2012521B GB 2012521 B GB2012521 B GB 2012521B GB 7900252 A GB7900252 A GB 7900252A GB 7900252 A GB7900252 A GB 7900252A GB 2012521 B GB2012521 B GB 2012521B
Authority
GB
United Kingdom
Prior art keywords
telephone line
feed bridge
bridge
feed
telephone
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
GB7900252A
Other versions
GB2012521A (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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB2012521A publication Critical patent/GB2012521A/en
Application granted granted Critical
Publication of GB2012521B publication Critical patent/GB2012521B/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
    • H04M19/005—Feeding arrangements without the use of line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB7900252A 1978-01-13 1979-01-04 Feed bridge for telephone line Expired GB2012521B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7800970A FR2414832A1 (en) 1978-01-13 1978-01-13 SUPPLY BRIDGE FOR TELEPHONE LINE

Publications (2)

Publication Number Publication Date
GB2012521A GB2012521A (en) 1979-07-25
GB2012521B true GB2012521B (en) 1982-01-20

Family

ID=9203442

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7900252A Expired GB2012521B (en) 1978-01-13 1979-01-04 Feed bridge for telephone line

Country Status (4)

Country Link
BE (1) BE873459A (en)
BR (1) BR7900101A (en)
FR (1) FR2414832A1 (en)
GB (1) GB2012521B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7810086A (en) * 1978-10-06 1980-04-09 Philips Nv POWER BRIDGE FOR A SUBSCRIBER FLOW.
HU182390B (en) * 1981-12-18 1983-12-28 Telefongyar With the active elements formed two-pole terminal network equivalent to a resistor
GB2120498B (en) * 1982-04-29 1985-11-20 Motorola Inc Regulator circuit
NL8801619A (en) * 1988-02-24 1989-09-18 Alcatel Nederland TELEPHONE LINE INTERFACE SWITCHING.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1290202B (en) * 1966-09-30 1969-03-06 Merk Gmbh Telefonbau Fried Circuit arrangement for the supply of telephone subscriber stations
CH586984A5 (en) * 1974-12-23 1977-04-15 Ibm
US4007335A (en) * 1975-11-12 1977-02-08 Bell Telephone Laboratories, Incorporated Telephone line battery feed circuit

Also Published As

Publication number Publication date
FR2414832A1 (en) 1979-08-10
BE873459A (en) 1979-07-16
BR7900101A (en) 1979-08-07
GB2012521A (en) 1979-07-25

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee