GB1239021A - - Google Patents

Info

Publication number
GB1239021A
GB1239021A GB1239021DA GB1239021A GB 1239021 A GB1239021 A GB 1239021A GB 1239021D A GB1239021D A GB 1239021DA GB 1239021 A GB1239021 A GB 1239021A
Authority
GB
United Kingdom
Prior art keywords
transistor
base drive
july
voltage
until
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
Other languages
English (en)
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 filed Critical
Publication of GB1239021A publication Critical patent/GB1239021A/en
Expired 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
    • H03K17/28—Modifications for introducing a time delay before switching
    • 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
    • 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
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
    • H03K17/73—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for DC voltages or currents

Landscapes

  • Details Of Television Scanning (AREA)
  • Dc-Dc Converters (AREA)
  • Television Receiver Circuits (AREA)
GB1239021D 1968-07-29 1968-07-29 Expired GB1239021A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3612968 1968-07-29

Publications (1)

Publication Number Publication Date
GB1239021A true GB1239021A (enExample) 1971-07-14

Family

ID=10385271

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239021D Expired GB1239021A (enExample) 1968-07-29 1968-07-29

Country Status (1)

Country Link
GB (1) GB1239021A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2164469A1 (enExample) * 1971-12-21 1973-08-03 Inst Str

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2164469A1 (enExample) * 1971-12-21 1973-08-03 Inst Str

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee