CA954991A - Subscriber loop circuit apparatus - Google Patents

Subscriber loop circuit apparatus

Info

Publication number
CA954991A
CA954991A CA114,862A CA114862A CA954991A CA 954991 A CA954991 A CA 954991A CA 114862 A CA114862 A CA 114862A CA 954991 A CA954991 A CA 954991A
Authority
CA
Canada
Prior art keywords
loop circuit
circuit apparatus
subscriber loop
subscriber
loop
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
CA114,862A
Other languages
English (en)
Other versions
CA114862S (en
Inventor
Albert Schumperli
Original Assignee
ITT Canada Ltd
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 ITT Canada Ltd filed Critical ITT Canada Ltd
Priority to CA114,862A priority Critical patent/CA954991A/en
Priority to US00225398A priority patent/US3843844A/en
Priority to AU42642/72A priority patent/AU473169B2/en
Priority to ES403473A priority patent/ES403473A1/es
Priority to BE784382A priority patent/BE784382A/fr
Priority to FR727220101A priority patent/FR2141778B1/fr
Application granted granted Critical
Publication of CA954991A publication Critical patent/CA954991A/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
    • H04M19/006—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)
CA114,862A 1971-06-04 1971-06-04 Subscriber loop circuit apparatus Expired CA954991A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA114,862A CA954991A (en) 1971-06-04 1971-06-04 Subscriber loop circuit apparatus
US00225398A US3843844A (en) 1971-06-04 1972-02-11 Subscriber loop circuit apparatus
AU42642/72A AU473169B2 (en) 1971-06-04 1972-05-24 Subscriber loop circuit apparatus
ES403473A ES403473A1 (es) 1971-06-04 1972-06-03 Aparato de circuito de bucle de abonado.
BE784382A BE784382A (fr) 1971-06-04 1972-06-05 Circuit d'abonnes telephoniques
FR727220101A FR2141778B1 (fr) 1971-06-04 1972-06-05

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
CA954991A true CA954991A (en) 1974-09-17

Family

ID=25666815

Family Applications (1)

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

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
US6823001B1 (en) 2000-05-31 2004-11-23 Bitrage, Inc. Dual stage communication processor
US20040151237A1 (en) * 2000-05-31 2004-08-05 Bitrage, Inc. Satellite communications system
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
US20020061058A1 (en) * 2000-07-25 2002-05-23 Symmetricom, Inc. Subscriber loop repeater loopback for fault isolation
US12265495B2 (en) * 2022-08-12 2025-04-01 Hamilton Sundstrand Corporation Signal reflection mitigation systems

Also Published As

Publication number Publication date
AU473169B2 (en) 1976-06-17
US3843844A (en) 1974-10-22
BE784382A (fr) 1972-12-05
AU4264272A (en) 1973-11-29
FR2141778A1 (fr) 1973-01-26
FR2141778B1 (fr) 1973-07-13

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