FR2351545A1 - Commutateur a transistors, muni d'un dispositif de protection contre les surintensites, avec rearmement automatique - Google Patents

Commutateur a transistors, muni d'un dispositif de protection contre les surintensites, avec rearmement automatique

Info

Publication number
FR2351545A1
FR2351545A1 FR7613927A FR7613927A FR2351545A1 FR 2351545 A1 FR2351545 A1 FR 2351545A1 FR 7613927 A FR7613927 A FR 7613927A FR 7613927 A FR7613927 A FR 7613927A FR 2351545 A1 FR2351545 A1 FR 2351545A1
Authority
FR
France
Prior art keywords
transistor
principal
collector
emitter voltage
switching circuit
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.)
Granted
Application number
FR7613927A
Other languages
English (en)
French (fr)
Other versions
FR2351545B1 (OSRAM
Inventor
Daniel Ruellan
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique 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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Priority to FR7613927A priority Critical patent/FR2351545A1/fr
Publication of FR2351545A1 publication Critical patent/FR2351545A1/fr
Application granted granted Critical
Publication of FR2351545B1 publication Critical patent/FR2351545B1/fr
Granted 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
    • H03K17/94—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
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
    • H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
    • H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches

Landscapes

  • Electronic Switches (AREA)
FR7613927A 1976-05-10 1976-05-10 Commutateur a transistors, muni d'un dispositif de protection contre les surintensites, avec rearmement automatique Granted FR2351545A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7613927A FR2351545A1 (fr) 1976-05-10 1976-05-10 Commutateur a transistors, muni d'un dispositif de protection contre les surintensites, avec rearmement automatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7613927A FR2351545A1 (fr) 1976-05-10 1976-05-10 Commutateur a transistors, muni d'un dispositif de protection contre les surintensites, avec rearmement automatique

Publications (2)

Publication Number Publication Date
FR2351545A1 true FR2351545A1 (fr) 1977-12-09
FR2351545B1 FR2351545B1 (OSRAM) 1981-06-19

Family

ID=9172898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7613927A Granted FR2351545A1 (fr) 1976-05-10 1976-05-10 Commutateur a transistors, muni d'un dispositif de protection contre les surintensites, avec rearmement automatique

Country Status (1)

Country Link
FR (1) FR2351545A1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020300A1 (de) * 1979-05-30 1980-12-11 Telemecanique Electrique Transistorschalter mit ueberstromschutz und automatischer rueckstellung
EP0133789A3 (en) * 1983-08-10 1985-04-10 British Telecommunications Electronic switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020300A1 (de) * 1979-05-30 1980-12-11 Telemecanique Electrique Transistorschalter mit ueberstromschutz und automatischer rueckstellung
EP0133789A3 (en) * 1983-08-10 1985-04-10 British Telecommunications Electronic switch
US4686383A (en) * 1983-08-10 1987-08-11 British Telecommunications Public Limited Company Electronic switch with automatic protective turn-off followed by automatic reset

Also Published As

Publication number Publication date
FR2351545B1 (OSRAM) 1981-06-19

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse