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    • 3. 发明授权
    • Loudspeaker assembly
    • 扬声器总成
    • US5181253A
    • 1993-01-19
    • US638696
    • 1991-01-08
    • Jeff B. Jordan
    • Jeff B. Jordan
    • H04R1/24H04R9/06
    • H04R9/06H04R1/24
    • In a loudspeaker having a yoke assembly including a top plate and a yoke fixedly attached to opposite sides of a magnet to form an air gap between the plate and the yoke into which a voice coil operatively extending from a diaphragm is positioned, the yoke affixed to a magnet base through which electrical terminals extend, one end of the terminals being operatively attached to the voice coil, the magnet base having an open end near the diaphram and being positioned in a housing and the magnet base having a grille covering its open end, and its end opposite the open end being enclosed by a base member of the housing, an improvement to the loudspeaker is provided which comprises the mounting plate having (i) a stud constructed having a head member fixed to the mounting plate and having a shaft extending upward from the plate and toward the yoke wherein the shaft has a threaded section of sufficient length to be screwed into a mating threaded opening in the center section of the yoke, and (ii) at least one passageway extending through the mounting plate to allow electrical wire to pass for operative attachment to the electrical terminals; and wherein the mounting plate is frictionally lockable to the yoke assembly when the threaded section is screwed into the threaded opening.
    • 在具有磁轭组件的扬声器中,磁轭组件包括顶板和固定地连接到磁体相对侧的磁轭,以在板和磁轭之间形成空气间隙,从隔膜可操作地延伸的音圈位于该磁轭中, 一个磁体基座,电气端子延伸穿过其中,端子的一端可操作地连接到音圈上,磁体底座在开口端附近具有开口端,并且位于外壳中,磁体底座具有覆盖其开口端的格栅, 并且其与开口端相对的端部被壳体的基部构件包围,提供了对扬声器的改进,其包括安装板,该安装板具有(i)螺柱,其构造成具有固定到安装板的头部构件,并且具有延伸的轴 从所述板向上朝向所述轭,其中所述轴具有足够长度的螺纹部分以旋入所述轭的中心部分中的配合螺纹开口,以及 (ii)延伸穿过安装板的至少一个通道,以允许电线通过,用于操作连接到电气端子; 并且其中当所述螺纹部分拧入所述螺纹开口时,所述安装板可摩擦地锁定到所述轭组件。
    • 6. 发明申请
    • Apparatus to Track Movement of a Skier
    • 跟踪滑雪运动的装置
    • US20120152162A1
    • 2012-06-21
    • US12971027
    • 2010-12-17
    • Jeff B. Jordan
    • Jeff B. Jordan
    • B63B21/56
    • B63B35/815B63B49/00B63B2203/00
    • Apparatus mountable to a boat tower or pylon used to tow a skier, water boarder, tuber or rafter including an elongated arm pivotally mounted to the boat tower or pylon, a tow rope post fixed to the arm and including a tether guide ring through which a tow rope may be threaded and a mounting member to which one end of the tow rope may be secured. The apparatus will also include a sensor that detects the change in position of the tow rope post from a predetermined fixed position caused by the lateral movement of the person being towed. The elongated arm may have speaker and/or light mounts to fix speakers and/or lights to the elongated arm in a position to track the movements of the towed person and may further include a securing means to fix the elongated arm in a given position.
    • 可安装到用于拖动滑雪者,水边界,块茎或椽子的船塔或塔的装置,其包括枢转地安装到船塔或塔架的细长臂,固定到臂上的牵引绳柱,并且包括系绳导向环, 牵引绳可以是螺纹的,并且牵引绳的一端可以固定到的安装构件。 该装置还将包括一个传感器,该传感器检测拖曳绳柱从被拖曳人的横向移动引起的预定的固定位置的位置变化。 细长臂可以具有扬声器和/或光安装件,以将扬声器和/或灯固定到细长臂上,以跟踪被牵引人的移动的位置,并且还可以包括将细长臂固定在给定位置的固定装置。