FR2252703B1 - - Google Patents

Info

Publication number
FR2252703B1
FR2252703B1 FR7427393A FR7427393A FR2252703B1 FR 2252703 B1 FR2252703 B1 FR 2252703B1 FR 7427393 A FR7427393 A FR 7427393A FR 7427393 A FR7427393 A FR 7427393A FR 2252703 B1 FR2252703 B1 FR 2252703B1
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
FR7427393A
Other languages
French (fr)
Other versions
FR2252703A1 (enrdf_load_stackoverflow
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.)
Jenoptik AG
Original Assignee
VEB Carl Zeiss Jena GmbH
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 VEB Carl Zeiss Jena GmbH filed Critical VEB Carl Zeiss Jena GmbH
Publication of FR2252703A1 publication Critical patent/FR2252703A1/fr
Application granted granted Critical
Publication of FR2252703B1 publication Critical patent/FR2252703B1/fr
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
    • H03K17/51—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
    • H03K17/60—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 the devices being bipolar transistors
    • H03K17/64—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 the devices being bipolar transistors having inductive loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/14—Arrangements for controlling speed or speed and torque
    • H02P8/16—Reducing energy dissipated or supplied
    • H02P8/165—Reducing energy dissipated or supplied using two level supply voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
FR7427393A 1973-11-26 1974-08-07 Expired FR2252703B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD174878A DD108183A1 (enrdf_load_stackoverflow) 1973-11-26 1973-11-26

Publications (2)

Publication Number Publication Date
FR2252703A1 FR2252703A1 (enrdf_load_stackoverflow) 1975-06-20
FR2252703B1 true FR2252703B1 (enrdf_load_stackoverflow) 1976-10-22

Family

ID=5493597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427393A Expired FR2252703B1 (enrdf_load_stackoverflow) 1973-11-26 1974-08-07

Country Status (5)

Country Link
CS (1) CS183016B1 (enrdf_load_stackoverflow)
DD (1) DD108183A1 (enrdf_load_stackoverflow)
DE (1) DE2437316A1 (enrdf_load_stackoverflow)
FR (1) FR2252703B1 (enrdf_load_stackoverflow)
SE (1) SE397160B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE403539B (sv) * 1976-06-01 1978-08-21 Levin Maskin Ab K E Elektrisk omkopplingsanordnig for anvendning sasom matnigsstromstellare for ett tvapoligt belastningsobjekt
CH628473A5 (de) * 1977-04-19 1982-02-26 Agie Ag Ind Elektronik Schaltungsanordnung zur rueckgewinnung von energie, die in den induktivitaeten abgeschalteter motorwicklungen eines schrittmotors gespeichert ist.
FR2425172A1 (fr) * 1978-05-03 1979-11-30 Bar Maurice Asservissement de l'induction dans un circuit magnetique par decoupage
JPS5749059A (en) * 1980-09-08 1982-03-20 Toshiba Corp Driving circuit of injector
JPS5851233A (ja) * 1981-09-21 1983-03-25 Hitachi Ltd 燃料噴射弁駆動回路
US9720223B2 (en) * 2013-03-15 2017-08-01 Lawrence Livermore National Security, Llc Integrated telescope assembly

Also Published As

Publication number Publication date
DE2437316A1 (de) 1975-05-28
SE397160B (sv) 1977-10-17
SE7411580L (enrdf_load_stackoverflow) 1975-05-27
DD108183A1 (enrdf_load_stackoverflow) 1974-09-05
FR2252703A1 (enrdf_load_stackoverflow) 1975-06-20
CS183016B1 (en) 1978-05-31

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Legal Events

Date Code Title Description
ST Notification of lapse