FR2251945B1 - - Google Patents

Info

Publication number
FR2251945B1
FR2251945B1 FR7438193A FR7438193A FR2251945B1 FR 2251945 B1 FR2251945 B1 FR 2251945B1 FR 7438193 A FR7438193 A FR 7438193A FR 7438193 A FR7438193 A FR 7438193A FR 2251945 B1 FR2251945 B1 FR 2251945B1
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
FR7438193A
Other versions
FR2251945A1 (fr
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of FR2251945A1 publication Critical patent/FR2251945A1/fr
Application granted granted Critical
Publication of FR2251945B1 publication Critical patent/FR2251945B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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 of the kind having motors rotating step by step
    • H02P8/32—Reducing overshoot or oscillation, e.g. damping
FR7438193A 1973-11-20 1974-11-20 Expired FR2251945B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13054073A JPS5414727B2 (fr) 1973-11-20 1973-11-20

Publications (2)

Publication Number Publication Date
FR2251945A1 FR2251945A1 (fr) 1975-06-13
FR2251945B1 true FR2251945B1 (fr) 1980-11-28

Family

ID=15036715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438193A Expired FR2251945B1 (fr) 1973-11-20 1974-11-20

Country Status (5)

Country Link
US (1) US3997829A (fr)
JP (1) JPS5414727B2 (fr)
FR (1) FR2251945B1 (fr)
GB (1) GB1496344A (fr)
NL (1) NL171096C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002279A (en) * 1974-12-30 1977-01-11 Monarch Marking Systems, Inc. Record feeding apparatus and method
JPS52143432A (en) * 1976-05-25 1977-11-30 Oki Electric Ind Co Ltd Fixing system by stepping motor
US4137491A (en) * 1977-09-14 1979-01-30 Exxon Research & Engineering Co. Stepper motor with analog positioning
US4286202A (en) * 1979-07-16 1981-08-25 International Business Machines Corp. Electronic damping of stepper motor
US4748386A (en) * 1985-09-20 1988-05-31 Sanyo Electric Co., Ltd. Controller of brushless DC motor
JPH03169289A (ja) * 1989-11-24 1991-07-22 Fanuc Ltd 可変リラクタンス型モータの駆動制御方法
US5278481A (en) * 1990-02-22 1994-01-11 British Technological Group Ltd. Control of stepping motors
GB9004005D0 (en) * 1990-02-22 1990-04-18 Danbury Richard N Improvements in or relating to the control of stepping motors
GB2264405B (en) * 1992-02-12 1996-06-12 Mars Inc Stepper motor drive circuit
US8900446B2 (en) * 2009-11-30 2014-12-02 Merichem Company Hydrocarbon treatment process
US20110127194A1 (en) * 2009-11-30 2011-06-02 Merichem Company Hydrocarbon Treatment Process
CN107992103B (zh) * 2017-12-08 2020-03-10 深圳市帝迈生物技术有限公司 转盘的控制系统及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA902167A (en) * 1967-09-22 1972-06-06 Fairchild Camera And Instrument Corporation Stepper motor control system
US3523230A (en) * 1968-11-08 1970-08-04 Motorola Inc Stepping motor positioning systems
GB1217809A (en) * 1969-08-08 1970-12-31 Ibm A control system for a closed loop step motor
US3694725A (en) * 1969-12-29 1972-09-26 Ibm Stepping motor control system using pulse injection
US3767993A (en) * 1971-08-25 1973-10-23 Electronic Eng Co California Stepping motor control circuit
US3849714A (en) * 1972-06-06 1974-11-19 Ibm Stepper motor control system
US3787727A (en) * 1972-12-27 1974-01-22 Ibm Stepper motor control

Also Published As

Publication number Publication date
DE2454809A1 (de) 1975-05-28
NL171096C (nl) 1983-02-01
NL7415133A (nl) 1975-05-22
DE2454809B2 (de) 1977-05-12
FR2251945A1 (fr) 1975-06-13
GB1496344A (en) 1977-12-30
JPS5079710A (fr) 1975-06-28
JPS5414727B2 (fr) 1979-06-09
US3997829A (en) 1976-12-14
NL171096B (nl) 1982-09-01

Similar Documents

Publication Publication Date Title
AU476761B2 (fr)
AR201231Q (fr)
AU474593B2 (fr)
AU474511B2 (fr)
AU474838B2 (fr)
AU471343B2 (fr)
AU476714B2 (fr)
AU482620B2 (fr)
AR201229Q (fr)
AU476696B2 (fr)
AU472848B2 (fr)
AR199451A1 (fr)
AU477823B2 (fr)
AR196382A1 (fr)
AU476873B1 (fr)
AR197627A1 (fr)
AR193950A1 (fr)
AU477824B2 (fr)
AU471461B2 (fr)
AR195948A1 (fr)
AR200256A1 (fr)
AR200885A1 (fr)
AR195311A1 (fr)
AR196212Q (fr)
AR196123Q (fr)

Legal Events

Date Code Title Description
ST Notification of lapse