FR2252703A1 - - Google Patents

Info

Publication number
FR2252703A1
FR2252703A1 FR7427393A FR7427393A FR2252703A1 FR 2252703 A1 FR2252703 A1 FR 2252703A1 FR 7427393 A FR7427393 A FR 7427393A FR 7427393 A FR7427393 A FR 7427393A FR 2252703 A1 FR2252703 A1 FR 2252703A1
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.)
Granted
Application number
FR7427393A
Other languages
French (fr)
Other versions
FR2252703B1 (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.)
Jenoptik AG
Original Assignee
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 Carl Zeiss Jena GmbH filed Critical 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

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic 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
    • H03K17/60Electronic 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
    • H03K17/64Electronic 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/14Arrangements for controlling speed or speed and torque
    • H02P8/16Reducing energy dissipated or supplied
    • H02P8/165Reducing 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 (en)

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=5493597

Family Applications (1)

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

Country Status (5)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2353979A1 (en) * 1976-06-01 1977-12-30 Levin Maskin Ab K E ELECTRICAL SWITCH SYSTEM FOR SUPPLY CURRENT SWITCHING DEVICE FOR BIPOLAR ELECTRIC LOAD
FR2388436A1 (en) * 1977-04-19 1978-11-17 Agie Ag Ind Elektronik REGULATION ASSEMBLY INTENDED TO ENSURE THE ADJUSTMENT OF CURRENTS THROUGH WINDINGS IN STEP-BY-STEP MOTORS
FR2425172A1 (en) * 1978-05-03 1979-11-30 Bar Maurice Control circuit for finely adjusting magnetic circuit induction level - has sequential logic circuit with comparator minimising frequency of bidirectional switching
FR2489885A1 (en) * 1980-09-08 1982-03-12 Tokyo Shibaura Electric Co EXCITATION CIRCUIT FOR FUEL INJECTOR
EP0075303A2 (en) * 1981-09-21 1983-03-30 Hitachi, Ltd. Fuel injection valve drive circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9720223B2 (en) * 2013-03-15 2017-08-01 Lawrence Livermore National Security, Llc Integrated telescope assembly

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2353979A1 (en) * 1976-06-01 1977-12-30 Levin Maskin Ab K E ELECTRICAL SWITCH SYSTEM FOR SUPPLY CURRENT SWITCHING DEVICE FOR BIPOLAR ELECTRIC LOAD
FR2388436A1 (en) * 1977-04-19 1978-11-17 Agie Ag Ind Elektronik REGULATION ASSEMBLY INTENDED TO ENSURE THE ADJUSTMENT OF CURRENTS THROUGH WINDINGS IN STEP-BY-STEP MOTORS
FR2425172A1 (en) * 1978-05-03 1979-11-30 Bar Maurice Control circuit for finely adjusting magnetic circuit induction level - has sequential logic circuit with comparator minimising frequency of bidirectional switching
FR2489885A1 (en) * 1980-09-08 1982-03-12 Tokyo Shibaura Electric Co EXCITATION CIRCUIT FOR FUEL INJECTOR
EP0075303A2 (en) * 1981-09-21 1983-03-30 Hitachi, Ltd. Fuel injection valve drive circuit
EP0075303A3 (en) * 1981-09-21 1983-07-20 Hitachi, Ltd. Fuel injection valve drive circuit

Also Published As

Publication number Publication date
SE7411580L (en) 1975-05-27
CS183016B1 (en) 1978-05-31
DE2437316A1 (en) 1975-05-28
FR2252703B1 (en) 1976-10-22
SE397160B (en) 1977-10-17
DD108183A1 (en) 1974-09-05

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Legal Events

Date Code Title Description
ST Notification of lapse