Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Synchronizing or phasing control
Patent
1983-11-04
1986-01-21
Shoop, Jr., William M.
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Synchronizing or phasing control
318625, H02P 774
Patent
active
045659508
ABSTRACT:
At least two movable objects are respectively driven to move by servo motors or the like in response to independent drive start signals. When each of the objects reaches a predetermined position, a sync signal associated therewith is generated. If a time lag exists between the generation of the sync signals, one of the drive start signals supplied to the servo motors is delayed by a period of time which corresponds to the time lag.
REFERENCES:
patent: 3967170 (1976-06-01), MacDonald et al.
patent: 4130784 (1978-12-01), Ford
patent: 4408281 (1983-10-01), Tack, Jr. et al.
patent: 4414495 (1983-11-01), Sumi et al.
patent: 4423360 (1983-12-01), Pasterkamp
Alexander David G.
Duncanson Jr. W. E.
Ricoh & Company, Ltd.
Shoop Jr. William M.
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