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US 2001/0017494 A1Published application
Motor apparatus
AssigneePioneer Corporation
InventorsKeiichi Takagi, Seiichi Yamazaki, Hiroyuki Fueki, Toshiyuki Naneko
Life of this patent
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Abstract
The motor apparatus includes a motor and an insulating device. The motor such as a spindle motor is driven with pulse width modulation. Then, the insulating device insulates an object to be protected, which should be protected from a noise current generated from the motor, from the motor.
Claims5
A motor apparatus comprising:
- a motor driven with pulse width modulation;
- and
- an insulating device for insulating an object to be protected, which should be protected from a noise current generated from the motor, from the motor.
Dependencies are inferred from the claim text.