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1. (WO2009119648) LINEAR MOTOR UNIT AND ELECTRONIC COMPONENT PLACING APPARATUS PROVIDED WITH THE LINEAR MOTOR UNIT

Pub. No.:    WO/2009/119648    International Application No.:    PCT/JP2009/055923
Publication Date: Oct 1, 2009 International Filing Date: Mar 25, 2009
IPC: H02K 41/02
H02K 11/00
H02K 41/03
H02P 25/06
H05K 13/04
Applicants: YAMAHA HATSUDOKI KABUSHIKI KAISHA
ヤマハ発動機株式会社
SAKAI, Kiyotaka
堺 清敬
Inventors: SAKAI, Kiyotaka
堺 清敬
Title: LINEAR MOTOR UNIT AND ELECTRONIC COMPONENT PLACING APPARATUS PROVIDED WITH THE LINEAR MOTOR UNIT
Abstract:
A linear motor unit is provided with a plurality of linear motors each of which has a stator, a movable element which linearly reciprocates along the stator, and a magnetic sensor which can detect the position of the movable element. The magnetic sensors of the adjacent linear motors are arranged at different positions in the moving direction of the movable element.