ES470362A1 - Perfeccionamientos en dispositivos conmutadores de transis- tores bipolares - Google Patents

Perfeccionamientos en dispositivos conmutadores de transis- tores bipolares

Info

Publication number
ES470362A1
ES470362A1 ES470362A ES470362A ES470362A1 ES 470362 A1 ES470362 A1 ES 470362A1 ES 470362 A ES470362 A ES 470362A ES 470362 A ES470362 A ES 470362A ES 470362 A1 ES470362 A1 ES 470362A1
Authority
ES
Spain
Prior art keywords
crosspoint
bipolar transistors
complementary bipolar
switching network
floating
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
ES470362A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of ES470362A1 publication Critical patent/ES470362A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
    • H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electronic Switches (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

Perfeccionamientos en dispositivos conmutadores de transistores bipolares, que comprenden: un par de terminales de entrada, un par de terminales de salida, un transistor bipolar PNP que tiene un emisor, una base, y un terminal colector, cuyo transistor PNP se conecta a uno del par de terminales de entrada, un transistor bipolar NPN que tiene un emisor, una base y un terminal colector, cuyo transistor NPN se conecta al otro del par de terminales de entrada, y una circuiteria de control que responde a la señal de control de conmutación para activar los transistores caracterizados porque la circuiteria protectora se conecta entre la circuiteria de control y las bases respectivas de los transistores entre la circuiteria de control y los emisores respectivos de los transistores y entre cada uno de los terminales de salida y los colectores respectivos de los transistores.
ES470362A 1977-05-31 1978-05-31 Perfeccionamientos en dispositivos conmutadores de transis- tores bipolares Expired ES470362A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/801,467 US4107474A (en) 1977-05-31 1977-05-31 Bipolar transistor switching network crosspoint

Publications (1)

Publication Number Publication Date
ES470362A1 true ES470362A1 (es) 1979-01-16

Family

ID=25181175

Family Applications (1)

Application Number Title Priority Date Filing Date
ES470362A Expired ES470362A1 (es) 1977-05-31 1978-05-31 Perfeccionamientos en dispositivos conmutadores de transis- tores bipolares

Country Status (12)

Country Link
US (1) US4107474A (es)
JP (1) JPS593896B2 (es)
BE (1) BE867465A (es)
CA (1) CA1101942A (es)
CH (1) CH632616A5 (es)
DE (1) DE2822880C2 (es)
ES (1) ES470362A1 (es)
FR (1) FR2393499A1 (es)
GB (1) GB1602304A (es)
IT (1) IT1095845B (es)
NL (1) NL7805874A (es)
SE (1) SE424494B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4287387A (en) * 1979-12-07 1981-09-01 The United States Of America As Represented By The Secretary Of The Navy Teletypewriter loop switching matrix
US4320388A (en) * 1980-07-15 1982-03-16 Westinghouse Electric Corp. Two wire optical data communication system
US4445117A (en) * 1981-12-28 1984-04-24 Hughes Aircraft Company Transistorized focal plane having floating gate output nodes
US5083016A (en) * 1990-03-27 1992-01-21 Hughes Aircraft Company 3-transistor source follower-per-detector unit cell for 2-dimensional focal plane arrays
DE4141183A1 (de) * 1991-12-13 1993-06-17 Stefan Ulreich Elektronische koppelfeldanordnung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE558124A (es) * 1956-06-07
FR1484136A (fr) * 1965-10-12 1967-06-09 Western Electric Co Réseau de commutation pour communications
DE1297663B (de) * 1967-07-07 1969-06-19 Licentia Gmbh Transistorschalter mit zwei komplementaeren Transistoren
GB1167397A (en) * 1967-07-21 1969-10-15 Telephone Mfg Co Ltd Improvements in or relating to Control Means for Transistor Switching Circuits
US3542958A (en) * 1967-08-22 1970-11-24 Stromberg Carlson Corp Link circuit with high level ringing capability for electronic telephone exchange
US3693060A (en) * 1971-04-13 1972-09-19 Philips Corp Solid-state relay using light-emitting diodes
US3789151A (en) * 1972-03-06 1974-01-29 Stromberg Carlson Corp Solid state crosspoint switch
GB1489577A (en) * 1973-10-02 1977-10-19 Plessey Co Ltd Solid state circuits
DE2363669C3 (de) * 1973-12-21 1977-02-03 Licentia Gmbh Elektronischer koppelpunkt und koppelpunktanordnung
US3886369A (en) * 1974-02-11 1975-05-27 Sippican Corp Solid-state gating circuit for cross-point switching
US3986174A (en) * 1974-05-02 1976-10-12 Motorola, Inc. Communication switching system
BE832942A (nl) * 1975-09-01 1976-03-01 Kruispuntinrichting voor een telecommucatiepad en schakelaar waarin deze inrichting wordt toegepast
US4004103A (en) * 1975-10-15 1977-01-18 Bell Telephone Laboratories, Incorporated Path-finding scheme for a multistage switching network

Also Published As

Publication number Publication date
FR2393499A1 (fr) 1978-12-29
DE2822880C2 (de) 1982-09-30
IT7823887A0 (it) 1978-05-26
GB1602304A (en) 1981-11-11
US4107474A (en) 1978-08-15
FR2393499B1 (es) 1981-11-13
CH632616A5 (de) 1982-10-15
CA1101942A (en) 1981-05-26
JPS53148903A (en) 1978-12-26
SE424494B (sv) 1982-07-19
DE2822880A1 (de) 1978-12-14
NL7805874A (nl) 1978-12-04
BE867465A (fr) 1978-09-18
SE7805882L (sv) 1978-12-01
JPS593896B2 (ja) 1984-01-26
IT1095845B (it) 1985-08-17

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