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    • 4. 发明授权
    • Recorders
    • 录音机
    • US4700606A
    • 1987-10-20
    • US947618
    • 1986-12-30
    • Nobuo Toyama
    • Nobuo Toyama
    • G10D7/02
    • G10D7/023
    • A recorder wherein moisture condensation in the windway due to temperature difference between the windway itself and the breathing passing therethrough is prevented, so that the sound will not be blocked by the moisture adhering to the windway during performance.A heating means is attached to a tube member of the windway unit to reduce the temperature differences between the windway and the breathing blown into the windway to minimum to thereby prevent moisture condensation. When there is no moisture condensation in the windway, there will be no turbulence in the breath blown through the windway, assuring adequate amount of breathing to be supplied from the outlet to correctly act on the edge of a sounding window.
    • 防止了由于风道本身与通过其中的呼吸之间的温度差导致的在风道中的水分冷凝的记录器,使得声音在执行期间不会被附着在风道上的水分阻挡。 将加热装置连接到风道单元的管构件,以将风道和吹入风道的呼吸之间的温度差降至最低,从而防止水分冷凝。 当在风道中没有水分凝结的情况下,在通过风道吹出的呼吸中不会有湍流,确保从出口供给足够量的呼吸,以正确地作用在探空窗的边缘。
    • 5. 发明授权
    • Wind instrument
    • 管乐器
    • US4306484A
    • 1981-12-22
    • US949419
    • 1978-10-03
    • Nobuo Toyama
    • Nobuo Toyama
    • G10D7/02G10D7/00G10D9/00
    • G10D7/005
    • A novel synthetic resin made wind instrument having high rigidity in spite of its thin-walled body portion and capable of producing sympathetic sounds with excellent timbre is provided according to this invention. The wind instrument provided according to the first embodiment of this invention comprises an inner pipe with a small wall thickness, an outer pipe also small in wall thickness, and a plurality of ribs provided in the hollow portion formed between said inner and outer pipes. The outer pipe is press-fitted over the inner pipe so that said both pipes are securely joined to each other. According to the second embodiment of this invention, there is provided a wind instrument composed of an inner pipe, an outer pipe and a plurality of ribs formed therebetween, wherein a rigidity reinforcement layer formed by metal plating or other means is provided in the surface areas defined by the external surface of the inner pipe and the side faces of the ribs. The third embodiment of this invention provides a wind instrument composed of an inner pipe, an outer pipe and a plurality of ribs arranged in the hollow portion formed between said both pipe members, wherein a metal pipe is mounted at the joint portion between the mouthpiece and the barrel or between the barrel and the foot pipe.
    • 根据本发明,提供了一种新颖的合成树脂制造的管乐器,尽管其薄壁的身体部分具有高刚性并且能够产生具有优良音色的交感神经。 根据本发明的第一实施例提供的管乐器包括具有小壁厚的内管,壁厚也小的外管,以及设置在形成在所述内管和外管之间的中空部中的多个肋。 外管被压配合在内管上,使得所述两个管道彼此牢固地接合。 根据本发明的第二实施例,提供了一种由内管,外管和形成在其间的多个肋组成的管乐器,其中在金属电镀或其它装置形成的刚性加强层设置在表面区域 由内管的外表面和肋的侧面限定。 本发明的第三实施例提供了一种由内管,外管和布置在所述两个管构件之间形成的中空部分中的多个肋组成的管乐器,其中金属管安装在接头和接头之间的接合部分处 桶或桶和脚管之间。
    • 6. 发明授权
    • Pulse motor
    • 脉冲电机
    • US3989967A
    • 1976-11-02
    • US607248
    • 1975-08-25
    • Akira KikuyamaNobuo ToyamaShigekazu Takahashi
    • Akira KikuyamaNobuo ToyamaShigekazu Takahashi
    • G04C13/11H02K37/12H02K21/12
    • G04C13/11H02K37/125
    • A pulse motor comprising a rotor having at least two magnetization axes extending parallel to a shaft of the rotor and angularly spaced apart at a uniform interval, the direction of magnetization of each magnetization axis being opposite to that of the adjacent magnetization axis; a pair of upper stators extending above the rotor and defining two upper gaps between them, said upper gaps being adapted to face respective unlike polarity poles on the upper side of the rotor; a pair of lower stators extending below the rotor and defining two lower gaps between them, said lower gaps being adapted to face respective unlike polarity poles on the lower side of the rotor; and at least one drive coil for magnetizing the upper and lower pair stators alternately to opposite polarities such that the polarity of one of the upper pair stators and one of the lower pair stators is opposite to the polarity of the other upper and lower stators.
    • 一种脉冲电动机,其包括转子,所述转子具有至少两个平行于所述转子的轴延伸并且以均匀间隔成角度地间隔开的磁化轴,每个磁化轴的磁化方向与相邻的磁化轴相反; 一对上定子,其在转子上方延伸并且在它们之间限定两个上间隙,所述上间隙适于面对转子上侧上各自不同的极性极; 一对下部定子,其在转子下方延伸并且在它们之间限定两个下部间隙,所述下部间隙适于面对转子下侧上的各自不同的极性极; 以及至少一个驱动线圈,用于将上下对定子交替地磁化成相反的极性,使得上对定子和下一对定子之一的极性与另一个上定子和下定子的极性相反。