FR2447628A1 - Dispositif de protection contre les surintensites pour commutateur electronique - Google Patents

Dispositif de protection contre les surintensites pour commutateur electronique

Info

Publication number
FR2447628A1
FR2447628A1 FR7901790A FR7901790A FR2447628A1 FR 2447628 A1 FR2447628 A1 FR 2447628A1 FR 7901790 A FR7901790 A FR 7901790A FR 7901790 A FR7901790 A FR 7901790A FR 2447628 A1 FR2447628 A1 FR 2447628A1
Authority
FR
France
Prior art keywords
switch
series
protection circuit
overload protection
voltage
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
FR7901790A
Other languages
English (en)
French (fr)
Other versions
FR2447628B1 (xx
Inventor
Jean Paul Daniel Esnault
Clement Blanchard
Alain Denhez
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)
  • Electronic Switches (AREA)
  • Dc-Dc Converters (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 true FR2447628A1 (fr) 1980-08-22
FR2447628B1 FR2447628B1 (xx) 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 (xx)

Citations (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
FR2211818A1 (xx) * 1972-12-20 1974-07-19 Philips Nv

Patent Citations (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
FR2211818A1 (xx) * 1972-12-20 1974-07-19 Philips Nv

Also Published As

Publication number Publication date
FR2447628B1 (xx) 1982-02-12

Similar Documents

Publication Publication Date Title
JPS5753112A (en) Sepp power amplifier
ES547280A1 (es) Disposicion de conexion para la conmutacion de consumidores electricos ohmicos e inductivos en circuitos de corriente continua y alterna
JPS6439830A (en) A/d converter
FR2301948A1 (fr) Transistor a protection intrinseque
FR2447628A1 (fr) Dispositif de protection contre les surintensites pour commutateur electronique
DE3686856D1 (de) Elektronisches, vorzugsweise beruehrungslos arbeitendes schaltgeraet.
JPS56103539A (en) Output circuit
JPS5720822A (en) Voltage-to-current converting circuit
JPS5717233A (en) Input circuit
JPS561769A (en) Constant current circuit
JPS57203114A (en) Power supply circuit
JPS561620A (en) Output circuit
JPS55105840A (en) Interface circuit
JPS56102124A (en) Electronic switch circuit
JPS5792909A (en) Power amplifying circuit
JPS5585061A (en) Protective circuit for transistor
JPS5445770A (en) Stabilized power supply
JPS554132A (en) Schmitt circuit
JPS5478964A (en) Selection circuit
JPS57107638A (en) Logical cell for integrated circuit
JPS5797211A (en) Rectifying circuit with coding output
JPS56114436A (en) Power transistor driving circuit
JPS54136619A (en) Dc voltage stabilized power unit
JPS54131752A (en) Touch switch circuit
JPS55100714A (en) Transistor circuit

Legal Events

Date Code Title Description
ST Notification of lapse