IT1163921B - Circuito d'alimentazione a batteria tampone per interfaccia di linea telefonica d'abbonato - Google Patents

Circuito d'alimentazione a batteria tampone per interfaccia di linea telefonica d'abbonato

Info

Publication number
IT1163921B
IT1163921B IT22588/83A IT2258883A IT1163921B IT 1163921 B IT1163921 B IT 1163921B IT 22588/83 A IT22588/83 A IT 22588/83A IT 2258883 A IT2258883 A IT 2258883A IT 1163921 B IT1163921 B IT 1163921B
Authority
IT
Italy
Prior art keywords
lander
telephone
interface
power circuit
battery power
Prior art date
Application number
IT22588/83A
Other languages
English (en)
Other versions
IT8322588A0 (it
Inventor
Todd H Gartner
Original Assignee
Gte Automatic Electric 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 Inc filed Critical Gte Automatic Electric Inc
Publication of IT8322588A0 publication Critical patent/IT8322588A0/it
Application granted granted Critical
Publication of IT1163921B publication Critical patent/IT1163921B/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
IT22588/83A 1982-09-30 1983-08-19 Circuito d'alimentazione a batteria tampone per interfaccia di linea telefonica d'abbonato IT1163921B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/429,743 US4429186A (en) 1982-09-30 1982-09-30 Floating battery feed circuit for telephone subscriber line interface

Publications (2)

Publication Number Publication Date
IT8322588A0 IT8322588A0 (it) 1983-08-19
IT1163921B true IT1163921B (it) 1987-04-08

Family

ID=23704551

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22588/83A IT1163921B (it) 1982-09-30 1983-08-19 Circuito d'alimentazione a batteria tampone per interfaccia di linea telefonica d'abbonato

Country Status (4)

Country Link
US (1) US4429186A (it)
BE (1) BE897857A (it)
CA (1) CA1201230A (it)
IT (1) IT1163921B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511763A (en) * 1982-11-01 1985-04-16 Gte Communication Systems Corporation Floating dc current source for a subscriber loop circuit
US4536614A (en) * 1982-12-13 1985-08-20 Gte Communication Systems Corporation Supervision and dial pulse detection circuit for a telephone subscriber line
EP0165363B1 (fr) * 1984-06-20 1988-08-31 International Business Machines Corporation Circuit detecteur de variations de courant
US4598173A (en) * 1984-10-15 1986-07-01 Itt Corporation Interface circuit for a subscriber line circuit
US4761812A (en) * 1985-12-10 1988-08-02 U.S. Holding Company, Inc. Constant power telephone line circuit
US4805213A (en) * 1987-02-13 1989-02-14 Unison Technologies, Inc. Ring detector
US5052039A (en) * 1990-01-16 1991-09-24 Northern Telecom Limited Line interface circuit
JPH04229715A (ja) * 1990-11-15 1992-08-19 Toshiba Corp 双方向スイッチ回路
US5349242A (en) * 1990-11-15 1994-09-20 Kabushiki Kaisha Toshiba Bidirectional switch circuit with automatic return-current path selector
US5289359A (en) * 1991-02-13 1994-02-22 Charles Industries, Limited DC-DC power converter including sensing means for providing an output when the reserve power of the converter falls below a predetermined amount for a given input voltage
CA2097449C (en) * 1992-06-05 1998-09-15 Satosi Sakuragi Telephone line power utility circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056691A (en) 1977-01-05 1977-11-01 Bell Telephone Laboratories, Incorporated Telephone subscriber line circuit

Also Published As

Publication number Publication date
BE897857A (fr) 1984-01-16
US4429186A (en) 1984-01-31
CA1201230A (en) 1986-02-25
IT8322588A0 (it) 1983-08-19

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