The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 2004
Filed:
Jan. 17, 2001
Applicant:
Inventor:
Jun Fujita, Mishima, JP;
Assignee:
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23Q 5/00 ; G05B 1/132 ;
U.S. Cl.
CPC ...
B23Q 5/00 ; G05B 1/132 ;
Abstract
When driving a plurality of paralleled feed drive mechanisms individually by servo motors ( ), torque of the servo motors ( ) is detected, and in dependence on a difference therebetween, a position command of servo motor ( ) at a slave side is corrected, so that torque of the slave side servo motor ( ) is matched to to torque of servo motor ( ) at a master side.