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Title:
CONTROL CIRCUIT FOR VIBRATOR
Document Type and Number:
Japanese Patent JPS6012414
Kind Code:
A
Abstract:
® A vibratory amplitude controller for vibratory mechanisms such as a vibratory feeder having in addition to a parts container, an electromagnetic drive unit operated from an A.C. current source for imparting oscillatory motion to the parts container. The controller includes a sensing means for sampling the electromagnetic drive unit current during a specific predetermined interval each A.C. current cycle to produce a vibratory amplitude representing signal. Means responsive to the vibratory amplitude representing signal controls the amount of power delivered from the A.C. current source to the electromagnetic drive unit to maintain a desired vibratory amplitude under varying load and A.C. line voltage conditions.

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Inventors:
JIERARUDO ERU BUCHIYASU
Application Number:
JP11805884A
Publication Date:
January 22, 1985
Filing Date:
June 08, 1984
Export Citation:
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Assignee:
RUSSELL CO INC ARTHUR
International Classes:
B06B1/02; B06B1/04; B65G27/24; B65G27/32; G05D19/02; B66B1/04; H02K33/02; (IPC1-7): B65G27/24; B65G27/32; B66B1/04; G05D19/02
Domestic Patent References:
JPS5727808A1982-02-15
Foreign References:
US3447051A1969-05-27
Attorney, Agent or Firm:
Suzuki Morisaburo (1 outside)



 
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