Magnetic disc driving apparatus

Details Magnetic disc driving apparatus Magnetic disc driving apparatus

1999-09-27

2000-11-07

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310268, 310DIG3, H02K 1100

Patent

active

061441260

ABSTRACT:
The driving ring magnet 2 of 4 n magnetic poles is allocated on the rotor 1. 3 m flat coils 5 are allocated on the stator 3 with surrounding the FG (Frequency Generator) pattern 4. Each flat coil 5 is allocated in the distance of (5/3).pi. of the electrical angle with being adjacent to each other. The magnetic sensor 6 is allocated in the area 20 of the maximum spacing area between the flat coils 5.

REFERENCES:
patent: 4508998 (1985-04-01), Hahn
patent: 4841393 (1989-06-01), MacLeod et al.
patent: 4922513 (1990-05-01), Joichi
patent: 5124604 (1992-06-01), Swartz
patent: 5124863 (1992-06-01), Koizumi et al.
patent: 5498919 (1996-03-01), Bahn

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