Objective lens driving system in a optical pick up and method of modulating {HEAD ~ the resonance frequency} of {TAIL ~ its lens holder} 
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Objective lens driving system in a optical pick up and method of modulating { HEAD ~ the resonance frequency } of { TAIL ~ its lens holder }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL