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    • 77. 发明专利
    • Floppy disk device
    • FLOPPY磁盘设备
    • JPS5960775A
    • 1984-04-06
    • JP16952882
    • 1982-09-30
    • Fujitsu Ltd
    • YAMAZAKI ETSUROU
    • G11B23/033G11B23/02
    • G11B23/021
    • PURPOSE:To realize the recording on both sides of a disk and at the same time to simplify the cartridge loading, by providing ventholes on both side walls of a cartridge and sealing up one of these two ventholes with a masking plate disposed to this device. CONSTITUTION:Masking plates 29 and 30 are set close to a cartridge 20 which is loaded and contain ventholes 29a and 30a respectively. Then switch valves 31 and 32 are loaded into the ventholes, and these valves consist of magnetic coils 31a and 32a and valve matters 31b and 32b. In the figure the venthole 27 of a side wall 23 is sealed up and serves as a Bernoulli plate; while the venthole 28 of a side wall 24 serves as an inlet of air. Thus a floppy disk 21 is loaded to the side of the wall 23, and the side A of the disk is used for recording. Then the side B of the disk 21 is used for recording if the switching states of the valves 31 and 32 are reversed as those mentioned above.
    • 目的:为了实现磁盘两侧的记录,同时通过在盒的两个侧壁上设置通气孔,同时将这两个通气孔中的一个通过设置在该装置上的遮蔽板来封闭。 构成:掩模板29和30设置在靠近盒20的位置,盒20分别装载并容纳通气孔29a和30a。 然后将开关阀31和32装入通气孔,这些阀由磁性线圈31a和32a以及阀芯31b和32b组成。 在图中,侧壁23的通气孔27被密封并用作伯努利板; 而侧壁24的通气孔28用作空气的入口。 因此,软盘21被装载到壁23的一侧,并且盘A的侧面用于记录。 然后如上所述,如果阀31和32的开关状态反转,则盘21的侧面B用于记录。
    • 80. 发明专利
    • Magnetic disc device
    • 磁碟设备
    • JPS5760573A
    • 1982-04-12
    • JP13544280
    • 1980-09-29
    • Nec Corp
    • MINAMI SHIGEOKISHIGAMI ISAO
    • G11B33/14G11B23/02G11B23/03
    • G11B23/021
    • PURPOSE:To increase the heat dissipation effect, by providing a pipe-way of which fins are enclosing water or freon to increase the surface area. CONSTITUTION:A housing 1 has a number of fins 10, and the housing 1 and the fins 10 are enclosing a pipe-way 11 where water or freon is filled in as shown by numbers 12-15. The heat delivered to the inner wall 18 of the housing 1 is delivered to the water or freon. When water is used, the water warmed with heat rises to hot water 12, and the resin hot water 13 is cooled at the external air and the fins 10 and falls down in the pipe 11 while being cold waters 14, 15 of greater specific gravity and cooled at the external wall 19 of the housing 1.
    • 目的:为了增加散热效果,通过提供翅片围绕水或氟利昂的管道来增加表面积。 构成:壳体1具有多个翅片10,并且壳体1和翅片10包围管道11,其中填充有水或氟利昂,如数字12-15所示。 输送到壳体1的内壁18的热被输送到水或氟里昂。 当使用水时,用热量加热的水上升到热水12,并且树脂热水13在外部空气和翅片10处被冷却,并且在比较重的冷水14,15的同时在管道11中落下 并在壳体1的外壁19处冷却。