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.)
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.)
Filing date
Publication date
Application filed by Portescap SAfiledCriticalPortescap SA
Publication of FR2270710A1publicationCriticalpatent/FR2270710A1/fr
Application grantedgrantedCritical
Publication of FR2270710B3publicationCriticalpatent/FR2270710B3/fr
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
Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
Control Of Stepping Motors
(AREA)
FR7513970A1974-05-071975-05-05Control cct for micromotor has capacitor turning on braking transistor - across motor when control pulse disappears
GrantedFR2270710A1
(en)