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Home › Voice coil motor drive unit for magnetic disk drive having a wave shaping unit including zener diodes with zener voltage set higher than a voltage applied to the coil in positioning the magnetic head, and lower than the voltage applied to the coil in movi

Voice coil motor drive unit for magnetic disk drive having a wave shaping unit including zener diodes with zener voltage set higher than a voltage applied to the coil in positioning the magnetic head, and lower than the voltage applied to the coil in movi

US Patent 5844396 · Granted Dec 1, 1998

Estimated economic value: $15,000 ⓘ

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