Electronic line shaft

Details Electronic line shaft Electronic line shaft

2006-02-28

2008-08-26

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Synchronizing or phasing control

C318S034000, C318S041000, C318S045000, C318S052000, C318S066000, C318S068000, C318S077000, C318S078000

Reexamination Certificate

active

07417386

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.

REFERENCES:
patent: 3949281 (1976-04-01), Young, Jr.
patent: 3974428 (1976-08-01), Hafle
patent: 4093904 (1978-06-01), Burig et al.
patent: 4675757 (1987-06-01), Block
patent: 5541781 (1996-07-01), Barr et al.
patent: 5877913 (1999-03-01), Shitara
patent: 6274997 (2001-08-01), Shiba et al.
patent: 6354214 (2002-03-01), Tokiwa
patent: 6417643 (2002-07-01), Shiba et al.
patent: 2002/0003409 (2002-01-01), Brown et al.

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