Drive apparatus and XY table utilizing the same

Details Drive apparatus and XY table utilizing the same Drive apparatus and XY table utilizing the same

2005-12-13

2005-12-13

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

Reexamination Certificate

active

06975048

ABSTRACT:
A drive apparatus overcomes the problems of ensuring accurate mounting of a plurality of armature coils relative to a plurality of magnetic pole position detectors, limitations concerning the location for mounting, and the extension of primary-side length. The drive apparatus comprises a primary side including an arrangement of a plurality of armatures each having a core made of a magnetic material with coil windings. It also comprises a secondary side including a permanent magnet movably supported relative to the armatures via a gap. A magnetic pole position detector is disposed between adjacent armatures.

REFERENCES:
patent: 5925956 (1999-07-01), Ohzeki
patent: 11-262237 (1999-09-01), None
patent: 2001-28875 (2001-01-01), None

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