Classifications

• • 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
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
  • H01H33/02—Details
  • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
  • H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for interrupting dc
• • 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

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
• Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=23302762

Family Applications (1)

Country Status (9)

Families Citing this family (1)

Family Cites Families (1)

• 1974
  • 1974-01-29 CA CA191,166A patent/CA1002168A/en not_active Expired
  • 1974-02-04 AU AU65172/74A patent/AU461676B2/en not_active Expired
  • 1974-02-07 DE DE19742405835 patent/DE2405835C3/de not_active Expired
  • 1974-02-12 SE SE7401866A patent/SE390580B/xx unknown
  • 1974-02-13 NL NL7402004A patent/NL7402004A/xx unknown
  • 1974-02-14 CH CH209774A patent/CH577232A5/xx not_active IP Right Cessation
  • 1974-02-14 IT IT4835674A patent/IT1002928B/it active
  • 1974-02-15 FR FR7405199A patent/FR2218637B1/fr not_active Expired
  • 1974-02-15 JP JP1773174A patent/JPS5329225B2/ja not_active Expired

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