DE3372021D1 - Stepping motor assembly - Google Patents

Stepping motor assembly

Info

Publication number
DE3372021D1
DE3372021D1 DE8383810391T DE3372021T DE3372021D1 DE 3372021 D1 DE3372021 D1 DE 3372021D1 DE 8383810391 T DE8383810391 T DE 8383810391T DE 3372021 T DE3372021 T DE 3372021T DE 3372021 D1 DE3372021 D1 DE 3372021D1
Authority
DE
Germany
Prior art keywords
motor
applying
speed
stepping motor
motor assembly
Prior art date
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
DE8383810391T
Other languages
German (de)
English (en)
Inventor
Eric Klein
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.)
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
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 Ebauchesfabrik ETA AG filed Critical Ebauchesfabrik ETA AG
Application granted granted Critical
Publication of DE3372021D1 publication Critical patent/DE3372021D1/de
Expired legal-status Critical Current

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
    • 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
    • H02P8/02—Arrangements for controlling dynamo-electric motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)
  • Motor Or Generator Frames (AREA)
  • Electromechanical Clocks (AREA)
DE8383810391T 1982-09-10 1983-08-30 Stepping motor assembly Expired DE3372021D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH538482A CH648723GA3 (enExample) 1982-09-10 1982-09-10

Publications (1)

Publication Number Publication Date
DE3372021D1 true DE3372021D1 (en) 1987-07-16

Family

ID=4292664

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383810391T Expired DE3372021D1 (en) 1982-09-10 1983-08-30 Stepping motor assembly

Country Status (6)

Country Link
US (1) US4550279A (enExample)
EP (1) EP0103542B1 (enExample)
JP (1) JPS59117499A (enExample)
CH (1) CH648723GA3 (enExample)
DE (1) DE3372021D1 (enExample)
HK (1) HK88392A (enExample)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59155072A (ja) * 1983-02-23 1984-09-04 Canon Inc 印字装置
JPS61266096A (ja) * 1985-05-17 1986-11-25 Canon Inc ステツピングモ−タの制御方式
CH673750B5 (enExample) * 1988-09-23 1990-10-15 Asulab Sa
US4912692A (en) * 1988-09-29 1990-03-27 Timex Corporation High rate, bidirectional drive for a bipole stepping motor watch
JP3645908B2 (ja) * 1994-12-08 2005-05-11 シチズン時計株式会社 モータ駆動装置
DE19526218C1 (de) * 1995-07-18 1997-04-03 Siemens Ag Schaltungsvorrichtung zur Ansteuerung eines Stellgliedes
US5973469A (en) * 1996-04-11 1999-10-26 Citizen Watch Co., Ltd. Motor driving apparatus
FR2755550B1 (fr) * 1996-11-06 1999-01-22 Magneti Marelli France Procede pour la commande en sens inverse d'un moteur electrique pas a pas, notamment de montre a aiguilles de tableau de bord de vehicule automobile
JP2002365379A (ja) * 2001-06-11 2002-12-18 Seiko Instruments Inc アナログ電子時計
US7955357B2 (en) 2004-07-02 2011-06-07 Ellipse Technologies, Inc. Expandable rod system to treat scoliosis and method of using the same
US7862502B2 (en) * 2006-10-20 2011-01-04 Ellipse Technologies, Inc. Method and apparatus for adjusting a gastrointestinal restriction device
US8057472B2 (en) 2007-10-30 2011-11-15 Ellipse Technologies, Inc. Skeletal manipulation method
CN100547142C (zh) * 2008-01-18 2009-10-07 胡杰波 一种多功能集成的清洁器具一体机
US11202707B2 (en) 2008-03-25 2021-12-21 Nuvasive Specialized Orthopedics, Inc. Adjustable implant system
US11241257B2 (en) 2008-10-13 2022-02-08 Nuvasive Specialized Orthopedics, Inc. Spinal distraction system
US8382756B2 (en) 2008-11-10 2013-02-26 Ellipse Technologies, Inc. External adjustment device for distraction device
US8197490B2 (en) 2009-02-23 2012-06-12 Ellipse Technologies, Inc. Non-invasive adjustable distraction system
US9622792B2 (en) 2009-04-29 2017-04-18 Nuvasive Specialized Orthopedics, Inc. Interspinous process device and method
US8427084B2 (en) * 2009-07-21 2013-04-23 Herbert S. Kobayashi Digital pulse width modulated motor control system and method
ES2761267T3 (es) 2009-09-04 2020-05-19 Nuvasive Specialized Orthopedics Inc Dispositivo de crecimiento óseo
CN102043378B (zh) * 2009-10-21 2012-07-04 深圳市茂智电子科技有限公司 指针式电子钟表步进马达反转驱动方法
US9248043B2 (en) 2010-06-30 2016-02-02 Ellipse Technologies, Inc. External adjustment device for distraction device
WO2012021378A2 (en) 2010-08-09 2012-02-16 Ellipse Technologies, Inc. Maintenance feature in magnetic implant
US8715282B2 (en) 2011-02-14 2014-05-06 Ellipse Technologies, Inc. System and method for altering rotational alignment of bone sections
US10743794B2 (en) 2011-10-04 2020-08-18 Nuvasive Specialized Orthopedics, Inc. Devices and methods for non-invasive implant length sensing
US10016220B2 (en) 2011-11-01 2018-07-10 Nuvasive Specialized Orthopedics, Inc. Adjustable magnetic devices and methods of using same
US20130338714A1 (en) 2012-06-15 2013-12-19 Arvin Chang Magnetic implants with improved anatomical compatibility
US9044281B2 (en) 2012-10-18 2015-06-02 Ellipse Technologies, Inc. Intramedullary implants for replacing lost bone
AU2013338218B2 (en) 2012-10-29 2017-05-04 Nuvasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
JP2014095641A (ja) * 2012-11-09 2014-05-22 Seiko Clock Inc モータ装置、モータの駆動装置と駆動方法、及び時計
US9179938B2 (en) 2013-03-08 2015-11-10 Ellipse Technologies, Inc. Distraction devices and method of assembling the same
US10226242B2 (en) 2013-07-31 2019-03-12 Nuvasive Specialized Orthopedics, Inc. Noninvasively adjustable suture anchors
US9801734B1 (en) 2013-08-09 2017-10-31 Nuvasive, Inc. Lordotic expandable interbody implant
EP2842586A1 (en) * 2013-08-27 2015-03-04 PharmaSens AG Device with a lavet-type motor
US10751094B2 (en) 2013-10-10 2020-08-25 Nuvasive Specialized Orthopedics, Inc. Adjustable spinal implant
WO2015168175A1 (en) 2014-04-28 2015-11-05 Ellipse Technologies, Inc. System for informational magnetic feedback in adjustable implants
EP3777732B1 (en) 2014-10-23 2024-07-10 NuVasive Specialized Orthopedics, Inc. Remotely adjustable interactive bone reshaping implant
JP6847341B2 (ja) 2014-12-26 2021-03-24 ニューベイシブ スペシャライズド オーソペディックス，インコーポレイテッド 伸延のためのシステム及び方法
WO2016134326A2 (en) 2015-02-19 2016-08-25 Nuvasive, Inc. Systems and methods for vertebral adjustment
BR112018007347A2 (pt) 2015-10-16 2018-10-23 Nuvasive Specialized Orthopedics, Inc. dispositivos ajustáveis para o tratamento da artrite do joelho
EP3171231B1 (fr) 2015-11-18 2018-06-06 ETA SA Manufacture Horlogère Suisse Circuit detecteur de chocs et son procede de fonctionnement
AU2016368167B2 (en) 2015-12-10 2021-04-22 Nuvasive Specialized Orthopedics, Inc. External adjustment device for distraction device
BR112018015504A2 (pt) 2016-01-28 2018-12-18 Nuvasive Specialized Orthopedics, Inc. sistemas para transporte ósseo
WO2017139548A1 (en) 2016-02-10 2017-08-17 Nuvasive Specialized Orthopedics, Inc. Systems and methods for controlling multiple surgical variables
AU2020217806B2 (en) 2019-02-07 2024-11-07 Nuvasive Specialized Orthopedics, Inc. Ultrasonic communication in medical devices
US11589901B2 (en) 2019-02-08 2023-02-28 Nuvasive Specialized Orthopedics, Inc. External adjustment device
US12213708B2 (en) 2020-09-08 2025-02-04 Nuvasive Specialized Orthopedics, Inc. Remote control module for adjustable implants
US12478413B2 (en) 2021-02-23 2025-11-25 Nuvasive Specialized Orthopedics, Inc. Adjustable implant, system and methods
US11737787B1 (en) 2021-05-27 2023-08-29 Nuvasive, Inc. Bone elongating devices and methods of use
EP4380480A1 (en) 2021-08-03 2024-06-12 NuVasive Specialized Orthopedics, Inc. Adjustable implant
US12458417B2 (en) 2022-08-15 2025-11-04 Nuvasive Specialized Orthopedics Inc. Intermedullary lengthening implant with integrated load sensor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958167A (en) * 1972-12-04 1976-05-18 Citizen Watch Co., Ltd. Pulse motor
GB1490196A (en) * 1974-03-25 1977-10-26 Suisse Horlogerie Electrically driven time-piece
JPS5239111A (en) * 1975-09-25 1977-03-26 Citizen Watch Co Ltd Pulse motor for electronic clock
JPS5280063A (en) * 1975-12-26 1977-07-05 Citizen Watch Co Ltd Reversible pulse motor system and watch
GB2006995B (en) * 1977-09-26 1982-11-17 Citizen Watch Co Ltd Drive system for pulse motor
JPS5454077A (en) * 1977-10-06 1979-04-27 Seiko Instr & Electronics Ltd Calendar collecting device for analog electronic watch
FR2466131A1 (fr) * 1979-09-25 1981-03-27 Suisse Horlogerie Moteur pas a pas monophase bipolaire a deux sens de rotation
JPS56101584A (en) * 1980-01-17 1981-08-14 Seiko Instr & Electronics Ltd Electronic timepiece
JPS56164984A (en) * 1980-05-23 1981-12-18 Seiko Instr & Electronics Ltd Electronic watch
CH643427B (fr) * 1981-03-05 Ebauchesfabrik Eta Ag Montre electronique.

Also Published As

Publication number Publication date
CH648723GA3 (enExample) 1985-04-15
JPS59117499A (ja) 1984-07-06
US4550279A (en) 1985-10-29
HK88392A (en) 1992-11-20
EP0103542A1 (fr) 1984-03-21
EP0103542B1 (fr) 1987-06-10

Similar Documents

Publication Publication Date Title
DE3372021D1 (en) Stepping motor assembly
GB2193849B (en) Stepping motor, method of driving the same and drive circuit therefor
DE3584603D1 (de) Verfahren zur regelung eines durch einen wechselrichter angesteuerten induktionsmotors.
GB2098369B (en) Apparatus for controlling a pwm inverterpermanent magnet synchronous motor drive
GB2148555B (en) Apparatus for controlling the speed of a drive shaft
EP0261810A3 (en) Drive method for ultrasonic motor providing enhanced stability of rotation
IT8348285A0 (it) Dispositivo di comando di coppia con regolazione di velocita' eccessiva e metodo per comandare un azionamento idrostatico
DE3378987D1 (en) Coupling for drive shaft and servo-motor driven shaft
EP0073045A3 (en) Method of controlling an induction motor by a pwm inverter
DE3663567D1 (en) Process to define exactly the flow rate of a dosing pump, and such a pump
DE59003513D1 (de) Notantrieb einer elektromotorisch antreibbaren Antriebseinheit.
IT1164497B (it) Azionamento a motore sincrono controllato da tiristori
JPS5537293A (en) Automatic assembly device that reciprocate by drive of motor and take up and divide parts
HUT44319A (en) Drive for producing linear motion
EP0221528A3 (en) Improvements in or relating to a tightening system and/or a method of tightening
JPS5690154A (en) Phase controller between driving shaft and driven shaft
DE3464679D1 (en) Method of controlling motor speed
DE69328233D1 (de) Durch Vibrationen angetreibener Motor oder Antrieb
DE3365760D1 (en) Method and means for controlling a bidirectional step-motor
AT388529B (de) Vorrichtung zur umwandlung der drehbewegung eines von einer motorwelle angetriebenen exzenters in eine hin- und hergehende bewegung
AU575960B2 (en) Method for detecting step losses in stepping motor driven adjusting devices
DE3775088D1 (de) Impulsmotor und sein antriebsverfahren.
CH646575GA3 (enExample)
JPS57177296A (en) Method of following stepping motor driven by bipolar pulse train by load applied by time piece mechanism and device for driving stepping motor
GB2120352B (en) Device for converting the continuous rotary motion of a drive shaft into the intermittent rotary motion of a driven shaft

Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: ETA S.A. FABRIQUES D'EBAUCHES, GRENCHEN/GRANGES, CH

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee