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    • 74. 发明授权
    • Highly gas tight chamber and method of manufacturing same
    • US06552311B2
    • 2003-04-22
    • US09989213
    • 2001-11-20
    • Katsumi Watanabe
    • Katsumi Watanabe
    • H05B302
    • F27D99/0073Y10T428/12Y10T428/12736
    • A method of manufacturing a hermetically sealed chamber, including preparing two aluminum or aluminum alloy material members which face each other, forming at least one extending groove portion on a surface to be metal-bonded of one of the two aluminum or aluminum alloy material members, wherein the groove portion extends in a manner to make an enclosure, forming at least one corresponding extending protruding portions on a surface to be metal-bonded of the other of the two aluminum or aluminum alloy material members, where the protruding portion extends in a manner to make a corresponding enclosure, forming an extending convex portion outside the groove portion and/or outside the protruding portion, wherein the convex portion extends in a manner to make an enclosure, and receiving internally packaged parts therebetween, inserting the at least one extending protruding portion into the at least one corresponding extending groove portion and fitting the extending convex portion, and causing the at least one extending protruding portion and the at least one extending groove portions to be metal-bonded by press-forging.
    • 77. 发明授权
    • Sound reproducing device
    • 声音再现装置
    • US4404668A
    • 1983-09-13
    • US279618
    • 1981-07-01
    • Katsumi Watanabe
    • Katsumi Watanabe
    • A63H5/00G11B3/00G11B3/095G11B19/02G11B25/04G11B17/00A63H3/33
    • G11B3/0955G11B3/001
    • In order to perform selective sound reproduction from a plurality of recorded grooves on a record disc, a stopper block for stopping a record disc at a position where starting point of the record disc is able to engage the reproduction stylus of a pickup is disposed on the reverse side of the record disc. A plurality of locking bars corresponding to the number of recorded grooves are distributed along a circle concentric with the record disc and the circle has a radius smaller than the radius of the record disc.The locking bars are urged by a flat spring having radial teeth fixed around a shaft holder for receiving the center shaft toward direction, and are normally held by the spring apart from the stopper block. The center shaft as a center of rotation of the record disc is normally biased by a spring toward retracted direction and engages the locking bars through a manipulating member. One of the locking bars urges the manipulating member affixed to the center shaft by pushing thereon against the resilient force imparted by the flat spring. In turn the center shaft pushes a sound transmitting member upward and releases stylus force applied to pickup to allow the pickup to return by a return spring to the starting point of sound reproduction. Prior to the engagement of the center shaft and the sound transmitting member, the locking bar projects into the rotational plane of the stopper block and engages with the stopper block such that the record disc is temporarily stopped.
    • 为了从记录盘上的多个记录凹槽执行选择性声音再现,用于在记录盘的起点能够接合拾取器的再现触针的位置处停止记录盘的止动块被布置在 记录盘背面。 与记录槽的数量相对应的多个锁定条沿着与记录盘同心的圆分布,并且圆的半径小于记录盘的半径。 锁定杆由具有固定在轴保持器周围的径向齿的扁平弹簧推动,用于将中心轴朝向方向接收,并且通常由与止动块隔开的弹簧保持。 作为记录盘的旋转中心的中心轴通常被弹簧朝向后退方向偏置,并通过操纵构件与锁定杆接合。 一个锁定杆通过抵抗由弹簧施加的弹力推动而将操纵构件推靠在中心轴上。 反过来,中心轴向上推动传声部件并释放施加到拾取器上的触针力,以允许拾音器通过复位弹簧返回到声音再现的起始点。 在中心轴和传声构件的接合之前,锁定杆突出到止动块的旋转平面中并与止动块接合,使得记录盘暂时停止。
    • 78. 发明授权
    • Simplified motor assembly and related electrical connection in a _sound
reproducing device
    • 简化的电机组合和相关的电气连接
    • US4195843A
    • 1980-04-01
    • US928800
    • 1978-07-28
    • Katsumi WatanabeYutaka ShisekiEishi Koike
    • Katsumi WatanabeYutaka ShisekiEishi Koike
    • G11B3/00G11B33/06
    • G11B33/06G11B3/001
    • The casing of a sound reproducing device defines the upper and lower bearings for directly receiving a shaft of a driving motor, as well as the outer shell for enclosing the rotor of the motor. This arrangement provides a motor assembly without the need for separate outer shell and separate brackets which are ordinarily indispensable with motors. The rotor hereof has a commutator being matingly electrically and slidably contractable with a pair of brushes fabricated from a metal wire. The free end of each wire comprises the brush, and the remaining portion thereof acts as a lead wire integral with the brush. The contact surfaces of the brushes and the commutator can be displaced or shifted by moving the two mating parts relative to each other for preventing defective starting due to poor electrical connection.
    • 声音再现装置的壳体限定用于直接接收驱动电动机的轴的上和下轴承以及用于封闭电动机的转子的外壳。 这种布置提供了电动机组件,而不需要通常对于电动机是不可缺少的分离的外壳和单独的支架。 其转子具有与由金属线制成的一对电刷配合地电滑动地收缩的换向器。 每个线的自由端包括刷子,其剩余部分用作与刷子一体的引线。 通过相对于彼此移动两个配合部件,可以使刷子和换向器的接触表面移位或移动,以防止由于电连接不良导致的有缺陷的启动。
    • 79. 发明授权
    • Simplified structure of toy phonograph
    • 玩具留声机简化结构
    • US4157832A
    • 1979-06-12
    • US846520
    • 1977-10-28
    • Katsumi Watanabe
    • Katsumi Watanabe
    • A63H3/33G11B3/00G11B33/06
    • G11B3/001G11B33/06
    • Disclosed is a simplified structure of a toy phonograph in which the output shaft of a motor is selectively put into engagement with the rim of a record disc to drive the latter. A tone arm is provided above the record disc, so that the record disc may be contacted by a stylus carried by the tone arm, when moved axially by the output shaft of the motor brought into driving engagement therewith. The motor is biased for pivotal movement into engagement with the record disc, by means of springs which are retained by terminals of the motor. The springs are made of a conductive and resilient material, for playing a role of lead wire for supplying the motor with power. The springs include a plus side and a minus side springs, one of which is adapted to be separated from the associated motor terminal in the course of the pivotal movement of the motor, to serve as a source switch. The tone arm is normally biased toward the starting point of reproduction, so as to be swung in a space between the record disc and a speaker. When the reproduction is over, the tone arm is displaced radially outwardly or inwardly of the record disc, so as to allow the axial movement of the record disc. During this axial movement the spring comes to be separated by the associated motor terminal to open the source circuit. As a manual switch is depressed, the record disc is lowered to allow the tone arm to return the central starting point of reproduction, and the spring which has been disconnected from the motor terminal is again brought into contact with the latter.
    • 公开了一种玩具留声机的简化结构,其中马达的输出轴选择性地与记录盘的边缘接合以驱动马达。 在记录盘上方设置有一个音臂,使得记录盘可以通过由音调臂承载的触针与由其进行驱动接合的马达的输出轴轴向移动而接触。 马达通过由马达的端子保持的弹簧而被偏置以用于枢转运动与记录盘接合。 弹簧由导电和弹性材料制成,用于起到向马达供电的引线作用。 弹簧包括正侧和负侧弹簧,其中一个弹簧适于在马达的枢转运动过程中与相关联的马达端子分离,以用作源开关。 色调臂通常偏向再现的起始点,以便在记录盘和扬声器之间的空间中摆动。 当再现结束时,音臂被放置在记录盘的径向外侧或内侧,从而允许记录盘的轴向移动。 在该轴向移动期间,弹簧由相关联的电动机端子分开以打开源电路。 当按下手动开关时,记录盘被降低以允许色调臂返回中央再现起始点,并且已经与电动机端子断开的弹簧再次与其接触。
    • 80. 发明授权
    • Toy phonograph with automatic pickup arm return means
    • 玩具留声机带有自动拾音臂的退回手段
    • US4027887A
    • 1977-06-07
    • US686719
    • 1976-05-17
    • Katsumi Watanabe
    • Katsumi Watanabe
    • G11B3/085G11B3/095G11B19/02G11B33/06A63H3/33G11B17/06
    • G11B3/0952G11B33/06
    • For automatically returning a pickup arm to a predetermined starting position on the perimeter of a record disc on a motor-driven turntable upon completion of playback, a drive gear is mounted on a turntable shaft for simultaneous rotation with the turntable. A driven gear, integrally formed with a cam, is mounted on a pivotal arm for movement into and out of engagement with the drive gear. When the pickup arm travels to a terminal position on the record discs, during playback, the driven gear is thereby urged into engagement with the drive gear and is, thus, set in rotation with the cam. The rotating cam causes the pickup arm to be lifted off the record disc and, then, to be spring returned from the terminal to the starting position. The record disc used herein is of the type having a plurality of grooves formed therein in the shape of nested spirals, for successive or random playback.
    • 为了在完成重放时在马达驱动的转盘上的记录盘的周边自动地将拾取臂返回到预定的起始位置,驱动齿轮安装在转台轴上,以与转台同时旋转。 与凸轮一体形成的从动齿轮安装在枢转臂上,用于与驱动齿轮啮合并移出。 当拾音臂行进到记录盘上的终端位置时,在回放期间,从动齿轮因此被推动与驱动齿轮接合,并因此与凸轮旋转。 旋转凸轮使得拾取臂从记录盘上提起,然后由弹簧从端子返回到起始位置。 这里使用的记录盘是以嵌套螺旋形状形成在其中的多个槽的类型,用于连续或随机重放。