Electricity: motive power systems – Plural – diverse or diversely controlled electric motors
Reexamination Certificate
2007-05-22
2007-05-22
Duda, Rina (Department: 2837)
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
C318S652000, C318S602000, C318S603000
Reexamination Certificate
active
11362751
ABSTRACT:
A conveyance control apparatus controls an amount of movement of a carrier. A first encoder detects an amount of movement of the carrier and outputting a first signal. A second encoder detects an amount of movement of a drive member driving the carrier. A control part acquires an amount of movement of the carrier by complementing an amount of movement of the carrier acquired from the first signal by an amount of movement of the drive member acquired from the second signal. The control part corrects a value representing a corresponding relationship between the first signal and the second signal based on the complemented amount of movement so as to control the amount of movement of the carrier using the corrected value.
REFERENCES:
patent: 5711225 (1998-01-01), Rasmussen
patent: 5940105 (1999-08-01), Hayami
patent: 3210164 (2001-07-01), None
patent: 2001-253132 (2001-09-01), None
patent: 2004-191845 (2004-07-01), None
Duda Rina
Harness & Dickey & Pierce P.L.C.
Ricoh & Company, Ltd.
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