CH568645A5CH342374ACH342374ACH568645A5CH 568645 A5CH568645 A5CH 568645A5CH 342374 ACH342374 ACH 342374ACH 342374 ACH342374 ACH 342374ACH 568645 A5CH568645 A5CH 568645A5
Authority
CH
Switzerland
Application number
CH342374A
Original Assignee
Hermsdorf Keramik Veb
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 Hermsdorf Keramik VebfiledCriticalHermsdorf Keramik Veb
Publication of CH568645A5publicationCriticalpatent/CH568645A5/xx
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F13/00—Apparatus or processes for magnetising or demagnetising
H01F13/003—Methods and devices for magnetising permanent magnets
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F13/00—Apparatus or processes for magnetising or demagnetising
H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
H02M1/00—Details of apparatus for conversion
H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M1/084—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters using a control circuit common to several phases of a multi-phase system