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    • 1. 发明授权
    • Alarm clock case made of two sections of which one is the means for stopping the alarm bell
    • 报警器的两个部分的报警时间表,其中一个是用于停止报警器的手段
    • US3756009A
    • 1973-09-04
    • US3756009D
    • 1972-04-04
    • ITALORA SPA
    • SAPPER R
    • G04B23/03G04C21/20G04B13/00
    • G04C21/20G04B23/03
    • An alarm clock comprising a casing composed of front and rear casing sections. The two casing sections are mounted for manual movement toward and away from each other while they are maintained in a substantially parallel relationship. An electric alarm mechanism is completely enclosed in the casing and develops an audible alarm signal when energized in use. The alarm mechanism is connected in a normally open electric circuit that is operative when closed to energize the alarm mechanism. Means are provided that are responsive to the movement of the casing sections towards each other for opening the circuit thereby deenergizing the alarm mechanism.
    • 一种闹钟,包括由前壳体部分和后壳体部分组成的壳体。 两个壳体部分被安装成在保持基本上平行关系的情况下手动地移动并彼此远离。 电动报警机构完全封闭在外壳中,并在使用中通电时产生可听见的报警信号。 报警机构连接在常开电路中,关闭时可操作,以对报警机构通电。 提供了响应于壳体部分朝彼此移动以打开电路的装置,从而使报警机构断电。
    • 3. 发明公开
    • Mass transducer with electromagnetic compensation.
    • Massenumwandler mit elektromagnetischer Kompensierung。
    • EP0206333A1
    • 1986-12-30
    • EP86108682
    • 1986-06-25
    • DATAPROCESS SPAITALORA SPA
    • MUSTARELLI PIERCARLOLUPOLI FRANCONEGRI EMILIO
    • G01G7/04
    • G01G7/04
    • A new mass transducer (10) with electromagnetic compensation is described, comprising a load-detection part, fitted with a coil (12) fixed to the load levers, a reference part comprising a sample weight (23) and a second coil (15) (called reference coil) fixed to the reference levers, a magnetic unit (yoke) with permanent magnets (16,17 and 13,14) in the air gap whereof the coils (12 and 15) are placed coaxially, free to move independently of one another, a control device for keeping the load coil and the reference coil in place and a device for comparing the current flowing through said coils. According to the in invention, the coils (12 and 15) are of the flattened toric type, their biggest dimension being perpendicular to the longitudinal axis of the lever arm (18) of the load levers and the winding axis X-X of the coil lined up with the force axis. The magnetic circuit has the form of a wafer formed by two flat magnetic elements (26, 27) facing each other, made integral with a central plate (28) through one or more fastening members, inside which at least one pair of permanent magnets (16, 17 or 13, 14), fitted so as to form two air gaps symmetrical to the central metal body wherein the coils are housed. The magnets are positioned so that each coil is immersed in an equiversal magnetic field, directed perpendicular to its biggest surface.
    • 描述了一种具有电磁补偿的新型质量传感器(10),其包括装配有固定到负载杆的线圈(12)的负载检测部件,包括样本重物(23)和第二线圈(15)的参考部件, (称为参考线圈),在其中线圈(12和15)同轴放置的气隙中具有永磁体(16,17和13,14)的磁性单元(磁轭),独立地自由移动 用于保持负载线圈和参考线圈就位的控制装置以及用于比较流过所述线圈的电流的装置。 根据本发明,线圈(12和15)是扁平复曲面类型的,其最大尺寸垂直于负载杆的杠杆臂(18)的纵向轴线和线圈的卷绕轴线XX排列 与力量轴。 该磁路具有由两个彼此面对的平坦磁性元件(26,27)形成的晶片的形式,该晶片通过一个或多个紧固构件与中心板(28)形成一体,至少一对永磁体( (图16,17或13,14),以便形成两个与中心金属体对称的气隙,其中线圈被容纳。 定位磁体,使每个线圈浸入垂直于其最大表面的等磁场中。