Feedback positioning module

Details Feedback positioning module Feedback positioning module

2011-03-01

2011-03-01

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

C318S626000, C318S653000

Reexamination Certificate

active

07898205

ABSTRACT:
A linear feedback positioning module is provided with a coupling and a drive at one side of a platform having a lead screw, a movable assembly combined on the lead screw and a feedback assembly. The feedback assembly includes a magnetic scale cooperating with a read head. The magnetic scale is combined on the platform and located along the lead screw to cooperate with the lead screw. The linear feedback positioning module is further used with a backend control assembly. By such arrangements, the feedback assembly can correct error at any moment to improve the process and product accuracy and increase the production efficiency and product competitiveness.

REFERENCES:
patent: 4137784 (1979-02-01), Griffin
patent: 4809106 (1989-02-01), Inoue
patent: 5434602 (1995-07-01), Kaburagi et al.
patent: 5602681 (1997-02-01), Nakayama et al.
patent: 5704250 (1998-01-01), Black
patent: 2001/0015870 (2001-08-01), Saliba

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