CH654170GA3 - - Google Patents

Download PDF

Info

Publication number
CH654170GA3
CH654170GA3 CH454983A CH454983A CH654170GA3 CH 654170G A3 CH654170G A3 CH 654170GA3 CH 454983 A CH454983 A CH 454983A CH 454983 A CH454983 A CH 454983A CH 654170G A3 CH654170G A3 CH 654170GA3
Authority
CH
Switzerland
Prior art keywords
stepping motor
control circuit
electrode
electrect
electret
Prior art date
Application number
CH454983A
Other languages
English (en)
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
Priority to CH454983A priority Critical patent/CH654170GA3/fr
Priority to PCT/CH1984/000133 priority patent/WO1985001130A1/fr
Priority to EP84903049A priority patent/EP0153934A1/fr
Publication of CH654170GA3 publication Critical patent/CH654170GA3/fr

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
CH454983A 1983-08-22 1983-08-22 CH654170GA3 (en, 2012)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH454983A CH654170GA3 (en, 2012) 1983-08-22 1983-08-22
PCT/CH1984/000133 WO1985001130A1 (fr) 1983-08-22 1984-08-22 Dispositif d'asservissement pour moteur pas a pas
EP84903049A EP0153934A1 (fr) 1983-08-22 1984-08-22 Dispositif d'asservissement pour moteur pas a pas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH454983A CH654170GA3 (en, 2012) 1983-08-22 1983-08-22

Publications (1)

Publication Number Publication Date
CH654170GA3 true CH654170GA3 (en, 2012) 1986-02-14

Family

ID=4278150

Family Applications (1)

Application Number Title Priority Date Filing Date
CH454983A CH654170GA3 (en, 2012) 1983-08-22 1983-08-22

Country Status (3)

Country Link
EP (1) EP0153934A1 (en, 2012)
CH (1) CH654170GA3 (en, 2012)
WO (1) WO1985001130A1 (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799766A (en) * 1988-03-15 1989-01-24 Eastman Kodak Company Objective lens support and positioning system
EP2735922A1 (fr) * 2012-11-23 2014-05-28 ETA SA Manufacture Horlogère Suisse Mécanisme d'entraînement d'aiguilles d'une montre électro-mécanique, muni d'un dispositif de verrouillage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114467A (en) * 1977-03-16 1978-10-05 Seiko Instr & Electronics Ltd Electronic watch
CH616819GA3 (en) * 1977-08-05 1980-04-30 Electronic watch including a corrector circuit
IT1107822B (it) * 1978-04-03 1985-12-02 Olivetti & Co Spa Generatore segnali di strobe
CH616045B (fr) * 1978-06-20 Ebauches Sa Procede pour reduire la consommation d'une piece d'horlogerie electronique et piece d'horlogerie electronique mettant en oeuvre ce procede.
US4224540A (en) * 1978-08-10 1980-09-23 Shigeo Okubo Displacement current sensor

Also Published As

Publication number Publication date
WO1985001130A1 (fr) 1985-03-14
EP0153934A1 (fr) 1985-09-11

Similar Documents

Publication Publication Date Title
AU564365B2 (en) Air-sorting apparatus
AU2708284A (en) Detecting proximity to electrical power lines
ATE60186T1 (de) Elektrisches geraet.
CH654170GA3 (en, 2012)
NO173047C (no) Innretning til partiell bestemmelse av spenninger eller ladninger ved et menneske eller dyr, samt til avledning av slike spenninger eller ladninger
KR880003406A (ko) 패턴 완성 장치
MY101073A (en) Method for driving associated instruments of an automatic door system.
JPS5690452A (en) Reel control system
JPS5246706A (en) Signal scanning system
JPS54102513A (en) Trouble detector for dc motor control circuit
JPS5769423A (en) Rotation controller
JPS5335918A (en) Speed controller of motor
DE3364785D1 (en) Circuit arrangement for generating a d.c. control voltage dependent upon an a.c. voltage
EP0258850A3 (en) Method and apparatus for charging lead-acid-accumulators
JPS5720188A (en) Back-up system for speed control of dc motor
JPS5421124A (en) Print control system
JPS535746A (en) Over-curren t sensing device of dc motor
JPS5246417A (en) Motor current limiter
JPS52128122A (en) Ultrasonic oscillator
ES8302392A1 (es) Mejoras en componentes de conexion a la red para televisores
JPS57212829A (en) Transmitter
JPS55150955A (en) Position correction device for machine tool
KR890010632A (ko) 전자 복사기의 원고대 보호장치
JPS573592A (en) Controller for speed of dc motor
ES488346A0 (es) Dispositivo de control de funcionamiento de un aparato electrico,especialmente de un detector de tension