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    • 64. 发明专利
    • ACTUATOR
    • JPH0714185A
    • 1995-01-17
    • JP15006893
    • 1993-06-22
    • SONY CORP
    • KANO YASUAKIMIZUTANI TAKESHI
    • G11B7/09G11B11/10G11B11/105G11B21/02
    • PURPOSE:To reduce the weight and thereby, to increase generating acceleration by fitting one pair of coils to a moving member so as to be different from each other in rigidity. CONSTITUTION:The actuator is equipped with coils 9 and 10 wound freely slidably around the outer circumference of one pair of yokes 8a and 8b right and left respectively and a carriage 6 as the moving member fitted with the one pair of coils 9 and 10 on both sides respectively. Then, the one pair of coils 9 and 10 are fitted to the carriage 6 so as to be different from each other in rigidity. Thus, the level of mechanical resonance of the actuator can be lowered, and a servo band can further be extended. As a result, it is not necessary to increase the weight of the actuator main body in order to suppress the mechanical resonance, so that the generating acceleration can be increased by reducing the weight. In addition, when the required acceleration remains unchanged, the power consumption can be reduced.
    • 66. 发明专利
    • JPH05347089A
    • 1993-12-27
    • JP18059992
    • 1992-06-16
    • SONY CORP
    • KANO YASUAKI
    • G11B33/14
    • PURPOSE:To improve dust collecting efficiency per unit time by providing a dust collecting filter getting dust a wind guide part guiding air flowing in from an inflow part between a pair of hard disks and an outflow part. CONSTITUTION:The dust collecting filter 12 is provided in front of the inflow part E1. and air flow passing through the filter 12 flows into the inflow part E1. That is, when air in the position of the outflow part E0. is drawn into a pair of hard disks by air flow according to the rotation of a pair of hard disks, air in the inflow part E1. flows into the outflow E0. side passing through the wind guide part EL. Further, since the guide part EL, is narrowed than the inflow part E1, the speed of air flow passing through the guide part EL, is quickened than the same of the inflow part E1. Thus, much air passes through the filter 12 and the getting efficiency of dust in the filter 12 is increased and further guides 20, 30 are provided integrally and then a device is miniaturized and thined.