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    • 1. 发明专利
    • Volume lowering sound hole cover
    • 体积较小的声孔盖
    • JP2008209871A
    • 2008-09-11
    • JP2007049074
    • 2007-02-28
    • Kengo Sugiura賢吾 杉浦
    • SUGIURA KENGO
    • G10G7/00
    • PROBLEM TO BE SOLVED: To make it possible to play in consideration of neighbors by lowering sound when playing the guitar. SOLUTION: The guitar is formed not to obstruct performance while suppressing echoes of playing sound by attaching a cover onto a sound hole of the guitar. The thickness of the cover is formed in consideration of volume lowering effects and formed to be easily attached and detached with passing between strings and a surface board. Also, shapes of the sound hole and a finger board differ according to the kind of guitar, so that a plurality of kinds of covers should be manufactured according to the kinds of guitars so as to be attached firmly to the sound hole. Therefore, it is possible to enhance the volume lowering effects and prevent the cover from dropping during performance. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过在播放吉他时降低声音,可以考虑到邻居。

      解决方案:通过将盖子附接到吉他的声孔上,吉他形成为不阻碍演奏,同时抑制播放声音的回声。 考虑到体积降低效果形成盖的厚度,并且形成为通过串和表面板之间容易地附接和分离。 此外,声孔和指板的形状根据吉他的种类而不同,从而应根据吉他的种类来制造多种盖,以便牢固地附接到声孔。 因此,可以提高音量降低效果并防止在演奏期间盖掉落。 版权所有(C)2008,JPO&INPIT

    • 2. 发明授权
    • Heat-wire type airflow quantity measuring apparatus
    • 热线式气流量测量仪
    • US4680964A
    • 1987-07-21
    • US874854
    • 1986-06-16
    • Yoshihisa SatoMasumi KinugawaSusumu AkiyamaToshitaka YamadaTiaki MizunoAtsushi SuzukiKengo Sugiura
    • Yoshihisa SatoMasumi KinugawaSusumu AkiyamaToshitaka YamadaTiaki MizunoAtsushi SuzukiKengo Sugiura
    • G01F1/698G01P5/12G01F1/68G01M19/00
    • G01F1/698G01F1/6986G01P5/12
    • A heater, which comprises an element whose resistance varies with changes in temperature, and a temperature element are provided in the air intake pipe of an engine. This heater and temperature element together with resistors form a bridge circuit to which heating power is supplied via a transistor. An engine control unit generates start signals Tin simultaneously with the rotation of the engine. A flip-flop circuit is set by these start signals and, when set, the transistor is turned on and the heating power rises. The output signal from the bridge circuit is supplied to a comparator and the output signal of the comparator resets the flip-flop circuit, which outputs a pulse-shaped signal representing the airflow quantity as a length of time. This pulse-shaped time signal is sent via a constant current circuit to another comparator, where it is compared with a reference voltage and the output signal from the comparator is supplied together with the above time signal to an exclusive OR circuit. This exclusive OR circuit outputs a first and second pulse signal as the measurement output signal Tout synchronously with the rise and fall of the time signal and this signal is supplied to the engine control unit.
    • 在发动机的进气管中设置有加热器,其包括其电阻随温度变化而变化的元件和温度元件。 该加热器和温度元件与电阻器一起形成桥式电路,通过晶体管供应加热功率。 发动机控制单元在发动机旋转的同时产生起始信号Tin。 触发器电路由这些启动信号设定,当置位时,晶体管导通,加热功率上升。 来自桥接电路的输出信号被提供给比较器,并且比较器的输出信号复位触发器电路,其将表示气流量的脉冲信号输出为时间长度。 该脉冲形时间信号通过恒流电路发送到另一个比较器,在此与比较器进行比较,将来自比较器的输出信号与上述时间信号一起提供给异或电路。 该异或电路输出作为测量输出信号Tout的第一和第二脉冲信号与时间信号的上升和下降同步,并将该信号提供给发动机控制单元。