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    • 131. 发明授权
    • Pluggable filter unit
    • 可插拔过滤器单元
    • US3879691A
    • 1975-04-22
    • US40293873
    • 1973-10-03
    • AMP INC
    • FRITZ WILLIAM BAIRD
    • B01D35/06G10K11/04H01R13/719H03H20060101H03H1/00H01H7/14
    • H03H1/0007H01R13/719
    • A filter unit is disclosed as comprising a discoidal capacitor, a toroidal inductor, and a lossy ceramic filter component, all of which are disposed within a metal case. The filter network is electrically connected to connector pins at both ends of the metal case. In order to compensate for high frequency resonances in the capacitor and inductor which are lumped L-C elements, the said lossy ceramic filter is inserted in one end of the metal case. The pin at the one end extends through this lossy ceramic filter, which may be of a tubular shape, and is in electrical contact with an inner conductive surface thereof. The outer conductive surface of the lossy filter is in electrical contact with the metal case.
    • 公开了一种滤波器单元,其包括盘状电容器,环形电感器和有损陶瓷滤波器部件,所有这些都被布置在金属外壳内。 过滤网络电连接到金属外壳两端的连接器销。 为了补偿集中的L-C元件的电容器和电感器中的高频谐振,所述有损陶瓷滤波器插入在金属外壳的一端。 销的一端延伸通过该有损陶瓷过滤器,其可以是管状,并与其内导电表面电接触。 有损滤波器的外导电表面与金属外壳电接触。
    • 132. 发明授权
    • Tool silencing means
    • 工具沉默手段
    • US3757891A
    • 1973-09-11
    • US3757891D
    • 1972-07-28
    • KRIEGER A P
    • KRIEGER A P
    • G10K11/16E04B1/99G10K11/04
    • G10K11/16Y10S173/02
    • A noise inhibitor for a rivet gun is disclosed comprising a hollow flexible elastic coupling sleeve having one end stretchably fitted over a portion of the gun casing, a concial transparent body tube is received in the other end of the coupling sleeve and a cushion member in the form of a soft rubber tube is fitted over the opposite end of the conical body tube to engage the work being riveted with the impact member of the rivet gun being positioned in the transparent body tube so as to be visible by the user; in another embodiment, the conical body tube and rubber sleeve members are oblong conical configuration and are dimensioned to fit over a rivet bucking bar having an impact surface visible through the transparent body tube so that in both embodiments the working surface is visible; however, noise emanating from the working surface components is substantially dissipated.
    • 公开了一种用于铆钉枪的噪声抑制器,其包括中空柔性弹性联接套筒,该套筒具有可伸缩地装配在枪套的一部分上的一端,在连接套筒的另一端容纳有一个透明的主体管, 软管橡胶管的形式安装在锥体主体管的相对端上,以与铆接枪的撞击构件铆接的工件接合,定位在透明体管中,以便使用者可见; 在另一个实施例中,圆锥体管和橡胶套筒构件是长圆锥形构造,并且其尺寸被设计成配合在具有通过透明主体管可见的冲击表面的铆钉扣板上,使得在两个实施例中工作表面是可见的; 然而,从工作表面部件发出的噪声基本消散。
    • 133. 发明授权
    • Instrument for purifying sounds through sympathetic vibration
    • 用于通过同步振动来净化声音的仪器
    • US3696698A
    • 1972-10-10
    • US3696698D
    • 1971-05-12
    • KAMINSKY ABRAHAM R
    • KAMINSKY ABRAHAM R
    • G10K11/04G10D1/00G10D3/02G10H3/00
    • G10K11/04
    • A very carefully tuned stringed instrument is provided with a range preferably approximating that of a piano. The strings are disposed in the path of ambient sound waves, such as music, and function to purify or eliminate those components of the sound which are not attuned to one or more of the instrument strings. A microphone may be utilized to pick up the purified sound and, in one embodiment, a portion of the apparatus constituting the purifier is disposed on one side of a soundproof wall such that the microphones which pick up the purified sound are not subjected to the sound source. In a variant embodiment, a chromatic set of tuning forks may be utilized in conjunction with the strings to assist both in tuning the instrument and in carrying out the purification process. An instrument in which a complete set of tuning forks or other tuned elements are used in place of or in combination with strings is also contemplated, the inventive concept being the purifying nature of the closely tuned vibratory elements responding sympathetically to the ambient sound.
    • 提供了一个非常仔细调谐的弦乐器,其范围最好接近于钢琴。 弦被布置在诸如音乐的环境声波的路径中,并且用于净化或消除未被调谐到一个或多个乐器琴弦的声音的那些组件。 可以使用麦克风拾取净化的声音,并且在一个实施例中,构成净化器的装置的一部分设置在隔音墙的一侧,使得拾取净化声音的麦克风不受声音 资源。 在一个变型实施例中,彩色组的调音叉可以与琴弦一起使用,以帮助调谐乐器和执行纯化过程。 还考虑使用一组完整的调音叉或其他调谐元件代替串联或与弦结合使用的乐器,本发明的概念是紧密调谐的振动元件与环境声音同时响应的净化性质。