BE449679A - - Google Patents

Info

Publication number
BE449679A
BE449679A BE449679DA BE449679A BE 449679 A BE449679 A BE 449679A BE 449679D A BE449679D A BE 449679DA BE 449679 A BE449679 A BE 449679A
Authority
BE
Belgium
Prior art keywords
voltage
field
motor
transmitted
frequency
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE449679A publication Critical patent/BE449679A/fr

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18Automatic scanning over a band of frequencies
    • H03J7/30Automatic scanning over a band of frequencies where the scanning is accomplished by mechanical means, e.g. by a motor
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/02Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
BE449679D BE449679A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE449679A true BE449679A (enrdf_load_stackoverflow)

Family

ID=104948

Family Applications (1)

Application Number Title Priority Date Filing Date
BE449679D BE449679A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE449679A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR2532511A1 (enrdf_load_stackoverflow)
JPH077988A (ja) 単相ac電動機速度制御装置
FR2398414A1 (fr) Circuit d'accord automatique de frequence, notamment pour recepteur ou demodulateur fm pour la detection d'un signal
BE449679A (enrdf_load_stackoverflow)
US4868435A (en) Single phase synchronous motor vibration apparatus
SU1458946A1 (ru) Датчик положени ротора электрической машины
US1854863A (en) Reed converter
BE383814A (enrdf_load_stackoverflow)
BE1012514A3 (fr) Dispositif de traducteur piezoelectrique a circuit oscillant excite par un circuit de commande.
GB518480A (en) Improvements in or relating to electrical frequency-dependent control means, primarily for radio apparatus
US2439065A (en) Speed control by means of tuning forks
BE426817A (enrdf_load_stackoverflow)
JP3610550B2 (ja) 同期発電機の自動電圧調整器
EP0495611A2 (en) Method of and circuit for starting sensorless motor
US1795616A (en) Synchronization for facsimile transmission
BE442241A (enrdf_load_stackoverflow)
US2423086A (en) Synchronizing device
BE530341A (enrdf_load_stackoverflow)
JPS6212477B2 (enrdf_load_stackoverflow)
BE454585A (enrdf_load_stackoverflow)
BE463174A (enrdf_load_stackoverflow)
EP0540417A1 (fr) Dispositif de protection contre les surcharges pour moteur électrique à commutation électronique
BE463483A (enrdf_load_stackoverflow)
BE496937A (enrdf_load_stackoverflow)
BE432420A (enrdf_load_stackoverflow)