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BE784382A - Circuit d'abonnes telephoniques - Google Patents

Circuit d'abonnes telephoniques

Info

Publication number
BE784382A
BE784382A BE784382A BE784382A BE784382A BE 784382 A BE784382 A BE 784382A BE 784382 A BE784382 A BE 784382A BE 784382 A BE784382 A BE 784382A BE 784382 A BE784382 A BE 784382A
Authority
BE
Belgium
Prior art keywords
telephone subscriber
subscriber circuit
circuit
telephone
subscriber
Prior art date
Application number
BE784382A
Other languages
English (en)
Inventor
A Schumperli
Original Assignee
Int 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BE784382A publication Critical patent/BE784382A/fr

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
    • H04M19/006—Circuits for increasing the range of current supply source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE784382A 1971-06-04 1972-06-05 Circuit d'abonnes telephoniques BE784382A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11486271A 1971-06-04 1971-06-04
CA114,862A CA954991A (en) 1971-06-04 1971-06-04 Subscriber loop circuit apparatus

Publications (1)

Publication Number Publication Date
BE784382A true BE784382A (fr) 1972-12-05

Family

ID=25666815

Family Applications (1)

Application Number Title Priority Date Filing Date
BE784382A BE784382A (fr) 1971-06-04 1972-06-05 Circuit d'abonnes telephoniques

Country Status (5)

Country Link
US (1) US3843844A (fr)
AU (1) AU473169B2 (fr)
BE (1) BE784382A (fr)
CA (1) CA954991A (fr)
FR (1) FR2141778B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323733A (en) * 1980-11-28 1982-04-06 Bell Telephone Laboratories, Inc. Range extender with variable gain for coin telephone loops
US6829292B1 (en) * 2000-01-03 2004-12-07 Symmetricom, Inc. Increasing gain with isolating upstream and downstream filters and amplifiers
US6507606B2 (en) 2000-03-29 2003-01-14 Symmetrican, Inc. Asymmetric digital subscriber line methods suitable for long subscriber loops
US7149242B1 (en) 2000-05-31 2006-12-12 Bitrage, Inc. Communications system for improving transmission rates and transmission distances of data signals across communications links
US20040151237A1 (en) * 2000-05-31 2004-08-05 Bitrage, Inc. Satellite communications system
US6823001B1 (en) 2000-05-31 2004-11-23 Bitrage, Inc. Dual stage communication processor
US20020061058A1 (en) * 2000-07-25 2002-05-23 Symmetricom, Inc. Subscriber loop repeater loopback for fault isolation
US20240054089A1 (en) * 2022-08-12 2024-02-15 Hamilton Sundstrand Corporation Signal reflection mitigation systems

Also Published As

Publication number Publication date
CA954991A (en) 1974-09-17
FR2141778B1 (fr) 1973-07-13
US3843844A (en) 1974-10-22
AU4264272A (en) 1973-11-29
FR2141778A1 (fr) 1973-01-26
AU473169B2 (en) 1976-06-17

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