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