A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
341/105, 318/26
A61M 5/172 (2006.01) H02P 7/00 (2006.01)
Patent
CA 1180048
MOTOR CONTROL SYSTEM ABSTRACT OF THE DISCLOSURE A digital servo control system for a d.c. motor to achieve stepping motor precision and a wider speed control range than either a conven- tional d.c. motor or a stepping motor, as may be typically utilized in an IV syringe pump. Motor position and direction sensing, as well as motor advance signals at the desired motor rate, condition motor advance and retard logic which, in turn, effects a unique counter-controlled motor drive subsystem to cause the d.c. motor to move forward, reverse, coast or slow down over a 1,000 to 1 speed control range.
391603
Bailey Wilber H.
Denny Bradley J.
Kreinick Stephen J.
Alaris Medical Systems Inc.
Smart & Biggar
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