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    • 51. 发明授权
    • Contactless buzzer
    • 非接触蜂鸣器
    • US3974499A
    • 1976-08-10
    • US530410
    • 1974-12-06
    • Youjiro ShigemoriYoshio Mitumori
    • Youjiro ShigemoriYoshio Mitumori
    • G10K1/067G10K9/13G10K1/00
    • G10K1/067G10K9/13
    • This invention relates to contactless buzzer unit wherein audible signals are delivered by mechanical blows of a resonator membrane by an electromagnetically driven vibrator fed from an electronic circuit with oscillating voltage pulses. A base section is provided by an electromagnetic drive unit having an iron core and a drive coil fixedly mounted on a base plate, while a casing section is provided by an audio-signaling unit including the resonator membrane, a spacer and a vibrator assembled together and attached to a case member. Both these sections are assembled together and to the case member molded with plastic material into one piece which is provided with stud posts extending from two precisely formed, precisely and mutually, precisely parallel planes formed on the case member and serving for the assembly of these sections as guiding, positioning and fixing means.
    • 本发明涉及非接触蜂鸣器单元,其中通过由具有振荡电压脉冲的电子电路馈送的电磁驱动的振动器通过谐振器膜的机械吹送来传送可听信号。 基座部分由具有铁芯和固定地安装在基板上的驱动线圈的电磁驱动单元提供,而壳体部分由包括谐振膜,间隔器和组装在一起的振动器的音频信号单元提供, 附在案件上。 这两个部分组装在一起,并与塑料材料一起模制成壳体部件,该壳体部件设置有从形成在壳体部件上的两个精确成形,精确和相互精确平行的平面延伸出来并用于组装这些部分的螺柱柱 作为引导,定位和固定手段。
    • 56. 发明授权
    • Earthquake alarm
    • 地震报警
    • US5682834A
    • 1997-11-04
    • US567091
    • 1995-12-04
    • Morris T. Croghan
    • Morris T. Croghan
    • G01V1/00G10K1/072G08B7/00G10K1/00
    • G10K1/072G01V1/008
    • The present invention relates to an earthquake alarm that functions as an awakening and early warning mechanism which provides an audio and visual warning to a possible earthquake. The device is comprised of a free-standing arm which rests against an adjustable rod which can be manipulated to make the arm more or less sensitive to vibrations, The arm, which is pivotally mounted within a case, swings downwardly through a slot in the case when vibrations comparable to the vibrations of an earthquake cause the arm to be dislodged from its upright position. The arm is entrapped between two tabs that extend outwardly from a rotatably attached beam. The beam comprises a third tab which is secured against one distal end of a rocker arm, the opposite distal end of the rocker arm being engaged in the extended teeth of a spring loaded wheel. A vibration sufficient to cause the arm to be dislodged from its upright position and swing downwardly causes the beam to rotate in conjunction with the arm thereby releasing the rocker arm. A spring located underneath the wheel spins causing the rocker arm to repeatedly strike a bell. To reset the device, an individual is required to rewind the spring in order to reposition the arm in an upright position.
    • 本发明涉及一种地震报警器,其作为唤醒和预警机制,为可能的地震提供音频和视觉警告。 该装置包括一个独立的臂,它靠在可调节的杆上,可调节的杆可以被操纵以使臂对振动的或多或少敏感。枢转地安装在壳体内的臂向下摆动通过壳体中的狭槽 当与地震振动相当的振动导致臂从其直立位置移开时。 臂被夹在从可旋转地附接的梁向外延伸的两个突片之间。 梁包括固定在摇臂的一个远端的第三突片,摇臂的相对的远端与弹簧加载的轮的延伸齿接合。 足以使臂从其直立位置移动并向下摆动的振动使得梁与臂一起旋转,从而释放摇臂。 位于车轮下方的弹簧旋转,使摇臂反复敲响钟。 要重置设备,需要个人倒带弹簧,以便将臂重新定位在直立位置。
    • 57. 发明授权
    • Chime alarm apparatus
    • 钟声报警器
    • US5587697A
    • 1996-12-24
    • US350103
    • 1994-11-29
    • Michael P. Rent
    • Michael P. Rent
    • G10K1/067G10K1/072G08B3/00G10K1/00
    • G10K1/072G10K1/067
    • A chime alarm apparatus having a housing having an axis and adapted to be suspended from rigid support. A first elongate annular member having upper and lower ends is suspended at its upper end from the housing and is substantially coaxial therewith, whereby the member may swing laterally relative to the housing. A disc-shaped contact member is supported by the first elongate member intermediate the ends thereof and the lower end of the first elongate member includes a pendant whereby the first elongate member may be caused to move laterally by an external force contacting the pendant. A plurality of second elongate members are suspended from the housing peripherally outwardly of and spaced a selected distance from the first elongate member and the contact member. Each second member has an area of contact between its ends, the pendant being normally below the lower ends of the second members. The disc-shaped contact member and the second members are of a material whereby a chime sound is produced when the contact member moves laterally and contacts the area of contact of at least one of the second members. An electric circuit includes a source of power, the contact member, at least each area of contact of the second members and alarm, whereby when the contact member contacts an area of contact of at least one second member, the electric circuit is closed and the alarm in the electric circuit is activated.
    • 一种钟声警报装置,具有具有轴线并适于悬挂于刚性支撑件的壳体。 具有上端和下端的第一细长环形构件在其上端处从壳体悬挂并且与其基本上同轴,由此构件可相对于壳体横向摆动。 盘形接触构件由第一细长构件在其中间的端部处支撑,并且第一细长构件的下端包括一个侧面,由此第一细长构件可以通过与该侧壁接触的外力而横向移动。 多个第二细长构件从壳体周向悬挂并且与第一细长构件和接触构件间隔开选定距离。 每个第二构件在其端部之间具有接触区域,该悬垂件通常在第二构件的下端下方。 盘形接触构件和第二构件是当接触构件横向移动并接触至少一个第二构件的接触区域时产生声音的材料。 电路包括动力源,接触构件,至少每个第二构件的接触区域和报警器,由此当接触构件接触至少一个第二构件的接触区域时,电路闭合, 电路中的报警被激活。