GB1528659A - Overload protection circuits - Google Patents

Overload protection circuits

Info

Publication number
GB1528659A
GB1528659A GB2681376A GB2681376A GB1528659A GB 1528659 A GB1528659 A GB 1528659A GB 2681376 A GB2681376 A GB 2681376A GB 2681376 A GB2681376 A GB 2681376A GB 1528659 A GB1528659 A GB 1528659A
Authority
GB
United Kingdom
Prior art keywords
transistor
overload
negative
lambda diode
current
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
GB2681376A
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.)
Indesit Industria Elettrodomestici Italiana SpA
Original Assignee
Indesit Industria Elettrodomestici Italiana SpA
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 Indesit Industria Elettrodomestici Italiana SpA filed Critical Indesit Industria Elettrodomestici Italiana SpA
Publication of GB1528659A publication Critical patent/GB1528659A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
    • H02H7/205—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment for controlled semi-conductors which are not included in a specific circuit arrangement
    • 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)
  • Details Of Television Scanning (AREA)
GB2681376A 1975-07-11 1976-06-28 Overload protection circuits Expired GB1528659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6880675A IT1036498B (it) 1975-07-11 1975-07-11 Circuito per proteggere da sovraccarichi un elemento attivo

Publications (1)

Publication Number Publication Date
GB1528659A true GB1528659A (en) 1978-10-18

Family

ID=11310626

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2681376A Expired GB1528659A (en) 1975-07-11 1976-06-28 Overload protection circuits

Country Status (4)

Country Link
DE (1) DE2630854A1 (enExample)
FR (1) FR2317794A1 (enExample)
GB (1) GB1528659A (enExample)
IT (1) IT1036498B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113746063A (zh) * 2021-08-27 2021-12-03 深圳市槟城电子股份有限公司 一种保护电路及电路保护装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1361501A (fr) * 1963-04-10 1964-05-22 Renault Disjoncteur statique à diode tunnel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113746063A (zh) * 2021-08-27 2021-12-03 深圳市槟城电子股份有限公司 一种保护电路及电路保护装置

Also Published As

Publication number Publication date
FR2317794B1 (enExample) 1983-07-29
FR2317794A1 (fr) 1977-02-04
DE2630854A1 (de) 1977-01-27
IT1036498B (it) 1979-10-30

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee
732 Registration of transactions, instruments or events in the register (sect. 32/1977)