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    • 9. 发明授权
    • High frequency relay
    • 高频继电器
    • US06340923B1
    • 2002-01-22
    • US09739774
    • 2000-12-20
    • Hiroshi YamanakaToshiyuki SuzukiKazunobu Nakata
    • Hiroshi YamanakaToshiyuki SuzukiKazunobu Nakata
    • H01H5300
    • H01H50/10H01H50/14H01H50/54H01H51/2272
    • A high frequency relay comprises a contact base block having pairs of fixed contacts, contact members with movable contacts, and an electromagnet for moving the contact members to open and close the fixed contacts by the movable contacts. The contact base block comprises an injection-molded base having projections on its front surface, first metal films formed as the fixed contacts on top surfaces of the projections, second metal films formed as connection terminals for outside devices on a rear surface of the base, each of which corresponds to one of the first metal films, through holes each having a conductive material on its inner surface to make an electrical connection between one of the first metal films and the corresponding second metal film in the shortest distance, and a third metal film formed on the base to provide electrical isolation from the first and second metal films, which works as electromagnetic shield as well as a ground.
    • 高频继电器包括具有成对的固定触点的触点基座,具有可动触点的触点构件,以及用于使触点构件移动以通过可动触点打开和闭合固定触点的电磁体。 接触基块包括在其表面上具有突起的注射成型基底,在突起的顶表面上形成为固定触点的第一金属膜,形成在基底的后表面上的用于外部装置的连接端子的第二金属膜, 每一个对应于第一金属膜中的一个,在其内表面上各自具有导电材料的通孔,以在最短距离内形成第一金属膜之一和相应的第二金属膜之间的电连接;以及第三金属 形成在基底上的膜,以提供与第一和第二金属膜的电隔离,其作为电磁屏蔽以及地面。
    • 10. 发明授权
    • Toner density detecting device
    • 调色剂浓度检测装置
    • US4650310A
    • 1987-03-17
    • US726999
    • 1985-04-25
    • Masatoshi HayashidaTakayuki SugaHiroshi Yamanaka
    • Masatoshi HayashidaTakayuki SugaHiroshi Yamanaka
    • G03G15/08G03G15/09
    • G03G15/0853
    • A toner density detecting device is provided with a coil buried in a housing and a cover member provided on one end of the coil to prevent the developing agent from touching the coil. The cover member has a front end portion provided near the surface of the housing and extending along the developing agent flowing direction and an apex portion at the back of the front end portion with respect to the direction. The apex portion projects deeper into the developing agent than the front end portion. An edge connecting the front end portion and the apex portion extends in the direction to cross the central axis of the coil. A pair of faces extending in the direction on either side of the edge are gradually declined from the edge toward the surface of the housing.
    • 调色剂浓度检测装置设置有埋在壳体中的线圈和设置在线圈的一端上的盖构件,以防止显影剂接触线圈。 盖构件具有设置在壳体的表面附近并沿着显影剂流动方向延伸的前端部和相对于该方向在前端部的后部的顶部。 顶端部分比前端部分更深地突出到显影剂中。 连接前端部分和顶端部分的边缘在与线圈的中心轴线交叉的方向上延伸。 沿着边缘两侧的方向延伸的一对面从边缘朝向壳体的表面逐渐下降。