Facsimile and static presentation processing – Static presentation processing – Detail of medium positioning
Reexamination Certificate
2005-11-22
2005-11-22
Williams, Kimberly (Department: 2626)
Facsimile and static presentation processing
Static presentation processing
Detail of medium positioning
C358S001120, C347S218000
Reexamination Certificate
active
06967729
ABSTRACT:
There is provided precise paper feeding. A control unit for controlling a motor for use in a printer includes a position counter to count output pulses of an encoder that rotates to follow rotation of the motor and detect a position of a printing medium transferred by the motor; a target control amount modifying and calculating part to calculate a modified target value of a feed-amount of the printing medium based on a target value of a feed-amount of the printing medium and a previous stop position of the printing medium detected by the position counter, and set a counted value of the position counter to the modified target value; and a position control part to control the motor so that the counted value of the position counter falls into a predetermined range including zero.
REFERENCES:
patent: 5555462 (1996-09-01), Fukumoto et al.
patent: 03-262663 (1991-11-01), None
JPO Abstract 03(1991)-262663, Dec. 22, 1991.
Ebrahimi-Dehkordy Saeid
Seiko Epson Corporation
Williams Kimberly
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