| 摘要 |
PCT No. PCT/JP86/00371 Sec. 371 Date Mar. 18, 1987 Sec. 102(e) Date Mar. 18, 1987 PCT Filed Jul. 18, 1986 PCT Pub. No. WO87/00620 PCT Pub. Date Jan. 29, 1987.A motor equipped with a pulse encoder, the motor equipped with a pulse encoder being characterized in that: the rear housing portion of the motor is formed of an insulator; the pulse encoder comprises a light emitting unit, a light receiving element unit for receiving light from the light emitting unit, a rotary encoder disc and a fixed encoder disc having signal patterns which pass or interrupt light sent from the light emitting unit to the light receiving element unit, a fixed slit plate to which the fixed encoder disc and the light receiving element unit are affixed, and a printed circuit board on which is formed the signal processing circuit to which the signal output from the light receiving element unit is input through connection lines, the fixed slit plate being affixed to the rear housing portion of the motor; the fixed slit plate is electrically connected to the 0V terminal of the printed circuit board through an earth pattern formed on the light receiving element unit and a connection line; and a cover electrically connected to the 0V terminal of the printed circuit board is used to cover the pulse encoder.
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