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FR2399644B1 - - Google Patents

Info

Publication number
FR2399644B1
FR2399644B1 FR7724146A FR7724146A FR2399644B1 FR 2399644 B1 FR2399644 B1 FR 2399644B1 FR 7724146 A FR7724146 A FR 7724146A FR 7724146 A FR7724146 A FR 7724146A FR 2399644 B1 FR2399644 B1 FR 2399644B1
Authority
FR
France
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
FR7724146A
Other languages
French (fr)
Other versions
FR2399644A1 (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.)
Genoud et Cie SA
Original Assignee
Genoud et Cie SA
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 Genoud et Cie SA filed Critical Genoud et Cie SA
Priority to FR7724146A priority Critical patent/FR2399644A1/en
Publication of FR2399644A1 publication Critical patent/FR2399644A1/en
Application granted granted Critical
Publication of FR2399644B1 publication Critical patent/FR2399644B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9505—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Sorting Of Articles (AREA)
FR7724146A 1977-08-01 1977-08-01 Input circuit for workpiece detectors - has transistor and Zener diode arrangement to receive inputs from assorted pick=ups Granted FR2399644A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7724146A FR2399644A1 (en) 1977-08-01 1977-08-01 Input circuit for workpiece detectors - has transistor and Zener diode arrangement to receive inputs from assorted pick=ups

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7724146A FR2399644A1 (en) 1977-08-01 1977-08-01 Input circuit for workpiece detectors - has transistor and Zener diode arrangement to receive inputs from assorted pick=ups

Publications (2)

Publication Number Publication Date
FR2399644A1 FR2399644A1 (en) 1979-03-02
FR2399644B1 true FR2399644B1 (en) 1980-04-04

Family

ID=9194278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724146A Granted FR2399644A1 (en) 1977-08-01 1977-08-01 Input circuit for workpiece detectors - has transistor and Zener diode arrangement to receive inputs from assorted pick=ups

Country Status (1)

Country Link
FR (1) FR2399644A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2829634A1 (en) * 2001-09-12 2003-03-14 St Microelectronics Sa CURRENT LIMITING LOGIC INTERFACE CIRCUIT

Also Published As

Publication number Publication date
FR2399644A1 (en) 1979-03-02

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse