GB2026793B – Miniature electric stepping motor
– Google Patents
GB2026793B – Miniature electric stepping motor
– Google Patents
Miniature electric stepping motor
Info
Publication number
GB2026793B
GB2026793B
GB7916644A
GB7916644A
GB2026793B
GB 2026793 B
GB2026793 B
GB 2026793B
GB 7916644 A
GB7916644 A
GB 7916644A
GB 7916644 A
GB7916644 A
GB 7916644A
GB 2026793 B
GB2026793 B
GB 2026793B
Authority
GB
United Kingdom
Prior art keywords
stepping motor
miniature electric
electric stepping
miniature
motor
Prior art date
1978-05-12
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
GB7916644A
Other versions
GB2026793A
(en
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.)
Portescap SA
Original Assignee
Portescap SA
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.)
1978-05-12
Filing date
1979-05-14
Publication date
1982-08-25
1979-05-14
Application filed by Portescap SA
filed
Critical
Portescap SA
1980-02-06
Publication of GB2026793A
publication
Critical
patent/GB2026793A/en
1982-08-25
Application granted
granted
Critical
1982-08-25
Publication of GB2026793B
publication
Critical
patent/GB2026793B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
H02P8/02—Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors
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
GB7916644A
1978-05-12
1979-05-14
Miniature electric stepping motor
Expired
GB2026793B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
CH517578A
CH620062A5
(en)
1978-05-12
1978-05-12
Publications (2)
Publication Number
Publication Date
GB2026793A
GB2026793A
(en)
1980-02-06
GB2026793B
true
GB2026793B
(en)
1982-08-25
Family
ID=4289160
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7916644A
Expired
GB2026793B
(en)
1978-05-12
1979-05-14
Miniature electric stepping motor
Country Status (6)
Country
Link
US
(1)
US4242623A
(en)
JP
(1)
JPS54153220A
(en)
CH
(1)
CH620062A5
(en)
DE
(1)
DE2918508C2
(en)
FR
(1)
FR2425756A1
(en)
GB
(1)
GB2026793B
(en)
Families Citing this family (13)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2079493B
(en)
*
1980-01-30
1983-09-07
Portescap
Electric motor control device
US4357693A
(en)
*
1980-06-20
1982-11-02
Timex Corporation
Electronic hour timesetting device for electronic analog timepiece
US4362981A
(en)
*
1980-09-12
1982-12-07
Kabushiki Kaisha Daini Seikosha
Driving circuit for a stepping motor
JPS58502081A
(en)
*
1981-12-04
1983-12-01
ポルテスキヤツプ
electric stepper motor
EP0085648B1
(en)
*
1982-01-28
1985-10-09
Asulab S.A.
Stepping motor with two directions of rotation, in particular for electronic time pieces, and motor unit comprising the same
US4480218A
(en)
*
1983-03-29
1984-10-30
International Business Machines Corporation
Direct detection of back EMF in permanent magnet step motors
JPS61266096A
(en)
*
1985-05-17
1986-11-25
Canon Inc
Control system of stepping motor
NL8601801A
(en)
*
1986-07-10
1988-02-01
Philips Nv
METHOD AND ELECTRONIC CIRCUIT FOR STARTING A RELUCTION ENGINE, AND RELUCTION MOTOR FITTED WITH SUCH ELECTRONIC CIRCUIT.
GB2230907B
(en)
*
1987-12-19
1992-02-05
Union Special Gmbh
A drive device for a reciprocating part
US5168187A
(en)
*
1991-02-20
1992-12-01
Dana Corporation, Warner Electric Brake & Clutch Division
Axial pole stepping motor
FR2755550B1
(en)
*
1996-11-06
1999-01-22
Magneti Marelli France
METHOD FOR THE REVERSE DIRECTION OF A STEPPER ELECTRIC MOTOR, IN PARTICULAR OF A DASHBOARD NEEDLE WATCH
JP4652610B2
(en)
*
2001-05-30
2011-03-16
セイコーインスツル株式会社
Step motor rotation control device
USD887651S1
(en)
*
2017-05-04
2020-06-16
Christine Durrant
Dog collar
Family Cites Families (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3541418A
(en)
*
1967-09-05
1970-11-17
Ibm
Proportional damping for motor drive
US3573593A
(en)
*
1969-04-01
1971-04-06
Burroughs Corp
Angular velocity control system for step servo motor system responsive to winding deenergization
US3893012A
(en)
*
1974-07-05
1975-07-01
Qume Corp
Stepping motor drive circuit
US4055785A
(en)
*
1976-01-12
1977-10-25
Fumio Nakajima
Stepping motor for electronic timepiece
JPS52154014A
(en)
*
1976-06-18
1977-12-21
Hitachi Ltd
Driver circuit for pulse motor
JPS52156323A
(en)
*
1976-06-22
1977-12-26
Citizen Watch Co Ltd
Driver circuit for pulse motor
1978
1978-05-12
CH
CH517578A
patent/CH620062A5/fr
not_active
IP Right Cessation
1979
1979-05-08
DE
DE2918508A
patent/DE2918508C2/en
not_active
Expired
1979-05-09
FR
FR7911759A
patent/FR2425756A1/en
active
Granted
1979-05-10
US
US06/038,293
patent/US4242623A/en
not_active
Expired – Lifetime
1979-05-12
JP
JP5855079A
patent/JPS54153220A/en
active
Pending
1979-05-14
GB
GB7916644A
patent/GB2026793B/en
not_active
Expired
Also Published As
Publication number
Publication date
JPS54153220A
(en)
1979-12-03
FR2425756B3
(en)
1982-03-05
CH620062A5
(en)
1980-10-31
DE2918508A1
(en)
1979-11-15
GB2026793A
(en)
1980-02-06
FR2425756A1
(en)
1979-12-07
DE2918508C2
(en)
1986-10-09
US4242623A
(en)
1980-12-30
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Legal Events
Date
Code
Title
Description
1992-01-08
PCNP
Patent ceased through non-payment of renewal fee
