IT1123257B - Sistema di sorgenti di energia programmabili,particolarmente per circuiti bipilari di utenze telefoniche - Google Patents

Sistema di sorgenti di energia programmabili,particolarmente per circuiti bipilari di utenze telefoniche

Info

Publication number
IT1123257B
IT1123257B IT7925879A IT2587979A IT1123257B IT 1123257 B IT1123257 B IT 1123257B IT 7925879 A IT7925879 A IT 7925879A IT 2587979 A IT2587979 A IT 2587979A IT 1123257 B IT1123257 B IT 1123257B
Authority
IT
Italy
Prior art keywords
bipilar
circuits
energy sources
telephone users
programmable energy
Prior art date
Application number
IT7925879A
Other languages
English (en)
Other versions
IT7925879A0 (it
Inventor
Larry M Tiedi
Original Assignee
Gte Automatic Electric Lab Inc
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 Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of IT7925879A0 publication Critical patent/IT7925879A0/it
Application granted granted Critical
Publication of IT1123257B publication Critical patent/IT1123257B/it

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
    • H04M19/008—Using DC/DC converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
IT7925879A 1978-09-22 1979-09-20 Sistema di sorgenti di energia programmabili,particolarmente per circuiti bipilari di utenze telefoniche IT1123257B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/944,826 US4229665A (en) 1978-09-22 1978-09-22 Programmable power supply system

Publications (2)

Publication Number Publication Date
IT7925879A0 IT7925879A0 (it) 1979-09-20
IT1123257B true IT1123257B (it) 1986-04-30

Family

ID=25482138

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7925879A IT1123257B (it) 1978-09-22 1979-09-20 Sistema di sorgenti di energia programmabili,particolarmente per circuiti bipilari di utenze telefoniche

Country Status (4)

Country Link
US (1) US4229665A (it)
BE (1) BE876270A (it)
CA (1) CA1126425A (it)
IT (1) IT1123257B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4438498A (en) 1981-07-13 1984-03-20 Tektronix, Inc. Power supply output monitoring method and apparatus
NL8202812A (nl) * 1982-07-12 1984-02-01 Philips Nv Voedingsinrichting voor het toevoeren van gelijkstroom aan abonneecircuits.
US5678049A (en) * 1994-06-06 1997-10-14 Intel Corporation Method and apparatus for the remote programming of a power supply
US7506180B2 (en) * 2005-03-10 2009-03-17 Hewlett-Packard Development Company, L.P. System and method for determining the power drawn from a switching power supply by counting the number of times a switching power supply switch is enabled
US7756681B2 (en) * 2005-03-10 2010-07-13 Hewlett-Packard Development Company, L.P. Power supply circuit
US8352758B2 (en) * 2010-03-22 2013-01-08 International Business Machines Corporation Power bus current bounding using local current-limiting soft-switches and device requirements information

Also Published As

Publication number Publication date
US4229665A (en) 1980-10-21
BE876270A (fr) 1979-09-17
IT7925879A0 (it) 1979-09-20
CA1126425A (en) 1982-06-22

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