Magnetic recording and reproducing device of rotary head type
专利汇可以提供Magnetic recording and reproducing device of rotary head type专利检索，专利查询，专利分析的服务。并且PURPOSE:To apply a piezoelectric voltage to a rotating bimorph plate without contact by adjusting the height position of a rotary head by controlling the bimorph plate through a primary coil provided to the fixed part of a rotary transformer. CONSTITUTION:The rotary transformer is formed of inside iron core 13 rotating together with rotary axis 29 and outside iron core 32. When a high-tension voltage is applied across primary coil 34 of iron core 32, a low-tension secondary voltage is developed across secondary coil 33 of iron core 31 and a piezoelectric voltage is applied across the bimorph plate provided with a rotary head to adjust the height position of the head. Therefore, the bimorph plate rotating without using a slip ring, etc., is supplied with an alternating-current voltage of amplitude equivalent to bimorph-plate displacement, hysteresis erasing damping alternating-current voltage, etc., from a fixed part where a high-tension circuit part is arranged in one without contact.，下面是Magnetic recording and reproducing device of rotary head type专利的具体信息内容。
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