FR1557220A - - Google Patents

Info

Publication number
FR1557220A
FR1557220A FR1557220DA FR1557220A FR 1557220 A FR1557220 A FR 1557220A FR 1557220D A FR1557220D A FR 1557220DA FR 1557220 A FR1557220 A FR 1557220A
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1557220A publication Critical patent/FR1557220A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • H01F7/1816—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/04—Modifications for accelerating switching
    • H03K17/041—Modifications for accelerating switching without feedback from the output circuit to the control circuit
    • H03K17/0416—Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/04166—Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR1557220D 1968-02-23 1968-02-23 Expired FR1557220A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR140963 1968-02-23

Publications (1)

Publication Number Publication Date
FR1557220A true FR1557220A (cs) 1969-02-14

Family

ID=8646393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1557220D Expired FR1557220A (cs) 1968-02-23 1968-02-23

Country Status (1)

Country Link
FR (1) FR1557220A (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2156226A1 (cs) * 1971-10-12 1973-05-25 Ncr Co
EP0017710A1 (de) * 1979-04-14 1980-10-29 Binder Magnete GmbH Schaltung zur Steuerung eines Impulsmagneten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2156226A1 (cs) * 1971-10-12 1973-05-25 Ncr Co
EP0017710A1 (de) * 1979-04-14 1980-10-29 Binder Magnete GmbH Schaltung zur Steuerung eines Impulsmagneten

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Legal Events

Date Code Title Description
ST Notification of lapse