FR1550792A - - Google Patents

Info

Publication number
FR1550792A
FR1550792A FR1550792DA FR1550792A FR 1550792 A FR1550792 A FR 1550792A FR 1550792D A FR1550792D A FR 1550792DA FR 1550792 A FR1550792 A FR 1550792A
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
Priority claimed from AT32167A external-priority patent/AT275675B/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1550792A publication Critical patent/FR1550792A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
    • H03B19/14—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a semiconductor device

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
FR1550792D 1967-01-12 1968-01-10 Expired FR1550792A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT32167A AT275675B (en) 1967-01-12 1967-01-12 Transistorized speed control arrangement for an induction motor with excitation windings fed by phase-shifted excitation square-wave voltages
US62675567A 1967-03-29 1967-03-29

Publications (1)

Publication Number Publication Date
FR1550792A true FR1550792A (en) 1968-12-20

Family

ID=25592311

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1550792D Expired FR1550792A (en) 1967-01-12 1968-01-10

Country Status (4)

Country Link
US (1) US3471763A (en)
DE (1) DE1638483A1 (en)
FR (1) FR1550792A (en)
GB (1) GB1215376A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1270247A (en) * 1968-06-19 1972-04-12 Dowty Rotol Ltd Synchro-control systems
US3932836A (en) * 1974-01-14 1976-01-13 Mobil Oil Corporation DC/AC motor drive for a downhole acoustic transmitter in a logging-while-drilling system
EP2885871A1 (en) * 2012-08-20 2015-06-24 Telefonaktiebolaget LM Ericsson (PUBL) Device for frequency tripling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863108A (en) * 1956-03-15 1958-12-02 Ibm Motor drive circuit
US3264541A (en) * 1961-09-20 1966-08-02 Compudyne Corp Analog to digital pulse rate integrator and motor driven counter therefor
US3356921A (en) * 1964-04-24 1967-12-05 Minnesota Mining & Mfg Motor control circuit with compensation for dropout of control signals

Also Published As

Publication number Publication date
DE1638483A1 (en) 1971-06-03
GB1215376A (en) 1970-12-09
US3471763A (en) 1969-10-07

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Legal Events

Date Code Title Description
ST Notification of lapse