ES464128A1 - Perfeccionamientos en circuitos provistos de fototransisto- res. - Google Patents

Perfeccionamientos en circuitos provistos de fototransisto- res.

Info

Publication number
ES464128A1
ES464128A1 ES464128A ES464128A ES464128A1 ES 464128 A1 ES464128 A1 ES 464128A1 ES 464128 A ES464128 A ES 464128A ES 464128 A ES464128 A ES 464128A ES 464128 A1 ES464128 A1 ES 464128A1
Authority
ES
Spain
Prior art keywords
phototransistor
base
switch
semiconductor circuit
collector
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
ES464128A
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.)
Lumenition Ltd
Original Assignee
Lumenition 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 Lumenition Ltd filed Critical Lumenition Ltd
Publication of ES464128A1 publication Critical patent/ES464128A1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
    • F02P7/073—Optical pick-up devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electronic Switches (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)

Abstract

Perfeccionamientos en circuitos provistos de fototransistorescaracterizados por el hecho de disponeren combinación: un fototransistor arreglado para ser conmutado a alta velocidad entre un estado de saturación y un estado no conductor por interrupción de una radiación aplicada a su unión colector-basey medios para impedir que la tensión en el electrodo colector del fototransistor caiga por debajo de un nivel dadocomo resultado de una sobresaturación producida por una excesiva irradiación.
ES464128A 1976-11-05 1977-11-04 Perfeccionamientos en circuitos provistos de fototransisto- res. Expired ES464128A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4621076 1976-11-05

Publications (1)

Publication Number Publication Date
ES464128A1 true ES464128A1 (es) 1978-10-01

Family

ID=10440307

Family Applications (1)

Application Number Title Priority Date Filing Date
ES464128A Expired ES464128A1 (es) 1976-11-05 1977-11-04 Perfeccionamientos en circuitos provistos de fototransisto- res.

Country Status (9)

Country Link
JP (1) JPS5360589A (es)
AU (1) AU3027877A (es)
BR (1) BR7707439A (es)
DE (1) DE2749167A1 (es)
ES (1) ES464128A1 (es)
FR (1) FR2370389A1 (es)
IT (1) IT1090916B (es)
SE (1) SE7712396L (es)
ZA (1) ZA776506B (es)

Also Published As

Publication number Publication date
BR7707439A (pt) 1978-09-12
AU3027877A (en) 1979-05-10
ZA776506B (en) 1978-08-30
SE7712396L (sv) 1978-05-06
IT1090916B (it) 1985-06-26
JPS5360589A (en) 1978-05-31
FR2370389A1 (fr) 1978-06-02
DE2749167A1 (de) 1978-05-18

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