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. 26, 2008
Filed:
Feb. 28, 2006
Richard W. Piefer, Brookfield, WI (US);
Thomas J. Rehm, Mequon, WI (US);
Kevin L. Baumann, Cedarburg, WI (US);
Christopher W. Como, Sussex, WI (US);
John D. Davis, Grafton, WI (US);
David C. Stringfellow, Buckinghamshire, GB;
Richard W. Piefer, Brookfield, WI (US);
Thomas J. Rehm, Mequon, WI (US);
Kevin L. Baumann, Cedarburg, WI (US);
Christopher W. Como, Sussex, WI (US);
John D. Davis, Grafton, WI (US);
David C. Stringfellow, Buckinghamshire, GB;
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Abstract
A method and assembly for synchronizing machine operations, the assembly comprising a reference generator for generating a speed reference signal and a position reference signal, a plurality of slave units, each slave unit including, a mechanical device, a separate motor linked to and driving the mechanical device and a separate unit controller for controlling the unit motor, the unit controller receiving and using the reference signals to control motor operation and a synchronizer receiving the reference signals from the control signal source and simultaneously providing the reference signals to each of the slave unit controllers for use in controlling operation of the motors in a synchronized fashion.