Apparatus and method for driving voice coil motor

There are provided an apparatus and a method for driving a voice coil motor (VCM), the apparatus including an instruction signal generating unit generating an instruction signal according to a digital signal generated from an input signal, and a driving unit driving the voice coil motor (VCM) by sel...

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Bibliographische Detailangaben
Hauptverfasser:	Oh,, Won Seob, Park,, Yong Joon, Jung,, Hong Soo, Hwang,, Jung Wook, Park,, Je Hyun, Hyun,, Kyoung Won, Heo,, Hoon, Kwon,, Oh Byoung
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	There are provided an apparatus and a method for driving a voice coil motor (VCM), the apparatus including an instruction signal generating unit generating an instruction signal according to a digital signal generated from an input signal, and a driving unit driving the voice coil motor (VCM) by selecting a path for a driving current applied to the voice coil motor (VCM) according to the digital signal and controlling a duty of the driving current according to the instruction signal.