Brushless motor with speed detector having noise cancel pattern

Details Brushless motor with speed detector having noise cancel pattern Brushless motor with speed detector having noise cancel pattern

2007-07-10

2007-07-10

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06800R, C310S156050, C318S254100

Reexamination Certificate

active

11154588

ABSTRACT:
A drive/control circuit integrated brushless motor is provided that has high rotating precision, satisfactory noise resistance and high output, and is suited to be smaller to save as much space as possible. The motor is a brushless motor provided with circuit integrated core with an FG pattern formed uniformly along the entire circumference by including a pattern system FG, and arranging a Hall element on a surface of a circuit substrate opposite the surface formed with the FG pattern and a noise cancel pattern.

REFERENCES:
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patent: 2001/0019230 (2001-09-01), Furuki
patent: 61269657 (1986-11-01), None
patent: 04033552 (1990-05-01), None
patent: 07327351 (1995-12-01), None
patent: 08088964 (1996-04-01), None
patent: 08172763 (1996-07-01), None

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