FR2447628B1 - - Google Patents

Info

Publication number
FR2447628B1
FR2447628B1 FR7901790A FR7901790A FR2447628B1 FR 2447628 B1 FR2447628 B1 FR 2447628B1 FR 7901790 A FR7901790 A FR 7901790A FR 7901790 A FR7901790 A FR 7901790A FR 2447628 B1 FR2447628 B1 FR 2447628B1
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
FR7901790A
Other languages
French (fr)
Other versions
FR2447628A1 (fr
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Priority to FR7901790A priority Critical patent/FR2447628A1/fr
Publication of FR2447628A1 publication Critical patent/FR2447628A1/fr
Application granted granted Critical
Publication of FR2447628B1 publication Critical patent/FR2447628B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/026—Current limitation using PTC resistors, i.e. resistors with a large positive temperature coefficient
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/06—Modifications for ensuring a fully conducting state
    • 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
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/08146—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Electronic Switches (AREA)
FR7901790A 1979-01-24 1979-01-24 Dispositif de protection contre les surintensites pour commutateur electronique Granted FR2447628A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7901790A FR2447628A1 (fr) 1979-01-24 1979-01-24 Dispositif de protection contre les surintensites pour commutateur electronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7901790A FR2447628A1 (fr) 1979-01-24 1979-01-24 Dispositif de protection contre les surintensites pour commutateur electronique

Publications (2)

Publication Number Publication Date
FR2447628A1 FR2447628A1 (fr) 1980-08-22
FR2447628B1 true FR2447628B1 (OSRAM) 1982-02-12

Family

ID=9221153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7901790A Granted FR2447628A1 (fr) 1979-01-24 1979-01-24 Dispositif de protection contre les surintensites pour commutateur electronique

Country Status (1)

Country Link
FR (1) FR2447628A1 (OSRAM)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678291A (en) * 1970-05-18 1972-07-18 Sci Systems Inc Solid state relay
DE2360024A1 (de) * 1972-12-20 1974-07-04 Philips Nv Schaltung mit einem schalttransistor

Also Published As

Publication number Publication date
FR2447628A1 (fr) 1980-08-22

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Legal Events

Date Code Title Description
ST Notification of lapse