| 摘要 |
A moving magnetic pickup cartridge including: a vibratory system having; a stylus arm in a cantilever fashion, a stylus being provided at a free end of the stylus arm, and a permanent magnet being provided at a fixed end of the stylus arm, the magnet being magnetized in a direction of an axis of the stylus arm; a magnetoelectric converting system including; a stationary core having first, second and third yoke members magnetically coupled at their one pole ends to each other, the first and second yoke members having their other pole ends face respective lateral peripheral sides of the permanent magnet while the third yoke member has its other pole end facing an upper periphery of the magnet; and a coil system which includes at least two sets of coils, each set of which is wound around the first, second and third yoke members, one set of coils producing a sum of a horizontal signal and a vertical signal corresponding respectively to a horizontal component and a vertical component of the magnet vibration, the other set of coils producing a difference between the horizontal and vertical signals.
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