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    • 3. 发明授权
    • Pulse generators combined with micromotors
    • 脉冲发生器与微电机相结合
    • US4529903A
    • 1985-07-16
    • US636185
    • 1984-07-31
    • Akira TakahashiShinju KasaharaToshiaki Hosokawa
    • Akira TakahashiShinju KasaharaToshiaki Hosokawa
    • H02K21/22G01P3/487G01P3/488H02K7/20H02K11/00H02K21/24H02K21/12
    • H02K21/24G01P3/487H02K7/20
    • A pulse generator combined with a micromotor is constructed by a disc shaped rotary magnet secured to the shaft of the motor and magnetized in the axial director, a rotary yoke made of magnetic material and provided with a plurality of equally spaced magnetic pole teeth extending in the axial direction, a magnetic stationary yoke secured to the casing of the micromotor and disposed to oppose the magnetic pole teeth of the rotary yoke, and a printed board interposed between the stationary yoke and the rotary yoke and secured to the motor casing. The printed board is formed with a wavy continuous electroconductive pattern on a circle facing the magnetic pole teeth so as to induce electric pulse signal by the flux produced by the magnetic pole teeth. The printed board is also formed with output terminals and source terminals connecting the micromotor to an electric source.
    • 与微电机组合的脉冲发生器由固定在电动机轴上并在轴向导向器中磁化的盘形旋转磁体构成,由磁性材料制成的旋转磁轭,其设置有多个等距间隔的磁极齿, 固定在微型电动机壳体上的磁性固定磁轭,设置为与旋转磁轭的磁极齿相对;以及印刷电路板,介于固定磁轭和旋转磁轭之间并固定在电动机壳体上。 印刷电路板在与磁极齿相对的圆上形成波浪形连续的导电图案,以便由磁极齿产生的磁通引起电脉冲信号。 印刷电路板还形成有将微电机连接到电源的输出端子和源极端子。