IL26035A - Wired circuit for telephone system - Google Patents

Wired circuit for telephone system

Info

Publication number
IL26035A
IL26035A IL26035A IL2603566A IL26035A IL 26035 A IL26035 A IL 26035A IL 26035 A IL26035 A IL 26035A IL 2603566 A IL2603566 A IL 2603566A IL 26035 A IL26035 A IL 26035A
Authority
IL
Israel
Prior art keywords
line circuit
circuit according
line
network
current
Prior art date
Application number
IL26035A
Other languages
English (en)
Hebrew (he)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of IL26035A publication Critical patent/IL26035A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
IL26035A 1965-10-12 1966-06-26 Wired circuit for telephone system IL26035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US495155A US3410961A (en) 1965-10-12 1965-10-12 Line circuit for a telephone system having optical solid state means

Publications (1)

Publication Number Publication Date
IL26035A true IL26035A (en) 1970-09-17

Family

ID=23967474

Family Applications (1)

Application Number Title Priority Date Filing Date
IL26035A IL26035A (en) 1965-10-12 1966-06-26 Wired circuit for telephone system

Country Status (9)

Country Link
US (1) US3410961A (xx)
JP (1) JPS4318847B1 (xx)
BE (1) BE682440A (xx)
DE (1) DE1512073B2 (xx)
FR (1) FR1484135A (xx)
GB (1) GB1167741A (xx)
IL (1) IL26035A (xx)
NL (1) NL6613553A (xx)
SE (1) SE339494B (xx)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534280A (en) * 1966-12-30 1970-10-13 Texas Instruments Inc Opto thermal audio amplifier
US3504131A (en) * 1967-05-02 1970-03-31 Bell Telephone Labor Inc Switching network
US3783198A (en) * 1971-03-18 1974-01-01 Gte Automatic Electric Lab Inc Battery reversal detection
US3750017A (en) * 1971-09-16 1973-07-31 Us Health Electromagnetic field measuring device
BE792984A (fr) * 1971-12-20 1973-04-16 Western Electric Co Circuit de maintien de communication et de supervision
US3767978A (en) * 1972-03-17 1973-10-23 A Wernli Voltage-isolating, keying arrangement for a power-line carrier system
US3819866A (en) * 1972-12-18 1974-06-25 Bell Telephone Labor Inc Light coupled loop current detector
US3867580A (en) * 1972-12-29 1975-02-18 Stromberg Carlson Corp Receiving circuits for digital signal distribution systems
JPS5199408A (xx) * 1975-02-28 1976-09-02 Hitachi Ltd
US3987257A (en) * 1975-05-29 1976-10-19 International Telephone And Telegraph Corporation Optically coupled two-wire to four-wire hybrid lines
US4079205A (en) * 1976-02-12 1978-03-14 Cook Electric Company Automatic number identification device
CH599731A5 (xx) * 1976-03-02 1978-05-31 Ibm
US4096363A (en) * 1977-05-24 1978-06-20 Bell Telephone Laboratories, Incorporated Transmission network including flux compensation
FR2422296A1 (fr) * 1978-04-03 1979-11-02 Duret Christian Translateur electronique destine a un equipement de ligne d'abonne d'un reseau telephonique du genre spatial a points de connexion electroniques ou du genre temporel et circuit quadripole actif constituant un composant de ce translateur
IT1159706B (it) * 1978-06-02 1987-03-04 Cselt Centro Studi Lab Telecom Circuito telefonico elettronico di linea d'utente
JPS5940358B2 (ja) * 1978-10-18 1984-09-29 日本電信電話株式会社 通話路スイツチ回路
US4282604A (en) * 1979-04-04 1981-08-04 Jefferson William T Optical isolation circuit for bidirectional communication lines
US4282408A (en) * 1979-10-25 1981-08-04 Western Electric Company, Inc. On-hook/off-hook detector circuit
US4313225A (en) * 1979-11-05 1982-01-26 Bell Telephone Laboratories, Incorporated Opto-isolator hybrid circuit
US4479066A (en) * 1980-03-28 1984-10-23 At&T Bell Laboratories AC/DC Current divider circuit
DE3013533A1 (de) * 1980-04-08 1981-10-15 Siemens Ag Schaltungsanordnung mit einer laserdiode zur uebertragung von nachrichtensiglnalen ueber einen lichtwellenleiter
US4558183A (en) * 1983-10-03 1985-12-10 Cellutron Corporation Opto-coupler interfacing circuit
US4636655A (en) * 1983-11-11 1987-01-13 Kabushiki Kaisha Toshiba Circuit in which output circuit and operational amplifier equipped input circuit are electrically isolated
US4700379A (en) * 1985-12-18 1987-10-13 The Boeing Company Aircraft communications apparatus
US5946393A (en) * 1997-02-10 1999-08-31 Integration Associates, Inc. Data access arrangement
US6788782B1 (en) 2000-01-20 2004-09-07 3Com Corporation Method and apparatus for switching between multiple communication lines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3129289A (en) * 1959-06-26 1964-04-14 Itt Electronic line circuit
US3230315A (en) * 1962-06-04 1966-01-18 Itt Two-wire switching system for fourwire circuits
DE1264513C2 (de) * 1963-11-29 1973-01-25 Texas Instruments Inc Bezugspotentialfreier gleichstromdifferenzverstaerker

Also Published As

Publication number Publication date
BE682440A (xx) 1966-11-14
DE1512073A1 (de) 1969-06-19
SE339494B (xx) 1971-10-11
NL6613553A (xx) 1967-04-13
DE1512073B2 (de) 1971-09-30
JPS4318847B1 (xx) 1968-08-16
FR1484135A (fr) 1967-06-09
GB1167741A (en) 1969-10-22
US3410961A (en) 1968-11-12

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