FR2296325A1 - METHOD FOR REDUCING THE DISSIPATION OF THE SUPPLY POWER IN THE SUBSCRIBER CIRCUIT OF A COMMUNICATION SYSTEM AND ARRANGEMENT FOR THE IMPLEMENTATION OF THIS PROCESS - Google Patents

METHOD FOR REDUCING THE DISSIPATION OF THE SUPPLY POWER IN THE SUBSCRIBER CIRCUIT OF A COMMUNICATION SYSTEM AND ARRANGEMENT FOR THE IMPLEMENTATION OF THIS PROCESS

Info

Publication number
FR2296325A1
FR2296325A1 FR7535237A FR7535237A FR2296325A1 FR 2296325 A1 FR2296325 A1 FR 2296325A1 FR 7535237 A FR7535237 A FR 7535237A FR 7535237 A FR7535237 A FR 7535237A FR 2296325 A1 FR2296325 A1 FR 2296325A1
Authority
FR
France
Prior art keywords
dissipation
implementation
arrangement
reducing
communication system
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.)
Granted
Application number
FR7535237A
Other languages
French (fr)
Other versions
FR2296325B1 (en
Inventor
Hans R Muller
Hans Schindler
Peter Vettiger
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 Business Machines Corp
Original Assignee
International Business Machines 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 Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2296325A1 publication Critical patent/FR2296325A1/en
Application granted granted Critical
Publication of FR2296325B1 publication Critical patent/FR2296325B1/fr
Granted 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
FR7535237A 1974-12-23 1975-11-10 METHOD FOR REDUCING THE DISSIPATION OF THE SUPPLY POWER IN THE SUBSCRIBER CIRCUIT OF A COMMUNICATION SYSTEM AND ARRANGEMENT FOR THE IMPLEMENTATION OF THIS PROCESS Granted FR2296325A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1721974A CH586983A5 (en) 1974-12-23 1974-12-23

Publications (2)

Publication Number Publication Date
FR2296325A1 true FR2296325A1 (en) 1976-07-23
FR2296325B1 FR2296325B1 (en) 1981-03-06

Family

ID=4423686

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535237A Granted FR2296325A1 (en) 1974-12-23 1975-11-10 METHOD FOR REDUCING THE DISSIPATION OF THE SUPPLY POWER IN THE SUBSCRIBER CIRCUIT OF A COMMUNICATION SYSTEM AND ARRANGEMENT FOR THE IMPLEMENTATION OF THIS PROCESS

Country Status (5)

Country Link
JP (1) JPS5929985B2 (en)
CH (1) CH586983A5 (en)
DE (1) DE2551916C3 (en)
FR (1) FR2296325A1 (en)
GB (1) GB1489143A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373201A1 (en) * 1976-12-02 1978-06-30 Deutsche Telephonwerk Kabel ELECTRONIC SUBSCRIBER SUPPLY DEVICE
FR2374793A1 (en) * 1976-12-20 1978-07-13 Philips Nv DEVICE FOR PROTECTING TELEPHONE LINES
FR2456431A1 (en) * 1979-05-10 1980-12-05 Philips Nv AMPLIFIER FOR USE IN A SUBSCRIBER LINE CIRCUIT
FR2456438A1 (en) * 1979-05-10 1980-12-05 Philips Nv TELEPHONE SUBSCRIBER LINE CIRCUIT
FR2456439A1 (en) * 1979-05-10 1980-12-05 Philips Nv CIRCUIT FOR SUBSCRIBER LINE

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151307A (en) * 1978-05-19 1979-11-28 Nec Corp Supply circuit for communication current
US4254305A (en) * 1979-02-07 1981-03-03 International Telephone And Telegraph Corporation Current limited subscriber line feed circuit
US4315106A (en) * 1979-11-28 1982-02-09 International Telephone And Telegraph Corporation Apparatus for regulating current supplied to a telephone line signal of the type employed in digital telephone systems
GB2065418B (en) * 1979-12-06 1984-02-15 Standard Telephones Cables Ltd Telephone line feed
DE3369445D1 (en) * 1982-02-25 1987-02-26 Siemens Ag Circuit arrangement for telecommunication installations, especially for telephone exchange installations, with direct voltage converters
JPS5983452A (en) * 1982-11-05 1984-05-14 Fujitsu Ltd Dc current supply system in exchange
IT1214603B (en) * 1985-04-30 1990-01-18 Ates Componenti Elettron TELEPHONE CIRCUIT, MONOLITHICALLY INTEGRABLE, FOR THE SUPPLY OF A USER TELEPHONE LINE.
SE465799B (en) * 1990-03-15 1991-10-28 Ericsson Telefon Ab L M DEVICE FOR REDUCED POWER SUPPLY TO A SUBSCRIBER LINE
US5103387A (en) * 1991-01-31 1992-04-07 Northern Telecom Limited High voltage converter
DE4139608A1 (en) * 1991-11-30 1993-06-03 Siemens Nixdorf Inf Syst Supply voltage setting system for communications subscriber circuit - uses detected loop circuit resistance upon initial connection of subscriber circuit to 2=wire subscriber line
EP0587575B1 (en) * 1992-04-03 1999-05-26 Nortel Networks Corporation Telephone line interface circuit with voltage switching
DE4233682A1 (en) * 1992-10-02 1994-04-07 Deutsche Telephonwerk Kabel Circuit arrangement for the supply of digital devices
CN105812590B (en) * 2016-05-11 2018-10-12 福建星网智慧科技股份有限公司 A kind of switching method for the long short-term feed of subscribers' line

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373201A1 (en) * 1976-12-02 1978-06-30 Deutsche Telephonwerk Kabel ELECTRONIC SUBSCRIBER SUPPLY DEVICE
FR2374793A1 (en) * 1976-12-20 1978-07-13 Philips Nv DEVICE FOR PROTECTING TELEPHONE LINES
FR2456431A1 (en) * 1979-05-10 1980-12-05 Philips Nv AMPLIFIER FOR USE IN A SUBSCRIBER LINE CIRCUIT
FR2456438A1 (en) * 1979-05-10 1980-12-05 Philips Nv TELEPHONE SUBSCRIBER LINE CIRCUIT
FR2456439A1 (en) * 1979-05-10 1980-12-05 Philips Nv CIRCUIT FOR SUBSCRIBER LINE

Also Published As

Publication number Publication date
DE2551916A1 (en) 1976-11-04
DE2551916B2 (en) 1981-07-02
FR2296325B1 (en) 1981-03-06
JPS5186908A (en) 1976-07-30
JPS5929985B2 (en) 1984-07-24
CH586983A5 (en) 1977-04-15
DE2551916C3 (en) 1982-02-25
GB1489143A (en) 1977-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse