Card reader having chopping drive circuit with cycle shorter than reading gap and control method for card reader

A card reader includes a writing coil that is provided to a magnetic head for recording magnetic data in a magnetic card, and a drive circuit that supplies a write current to the writing coil. The drive circuit is a chopping circuit that supplies a chopping current, on/off of which is switched in a...

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Bibliographische Detailangaben

Hauptverfasser:	Shimizu, Yohei, Gu, Yufei, Tanaka, Jo
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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