Print head motor control system using analog and digital...

Details Print head motor control system using analog and digital... Print head motor control system using analog and digital...

B - Operations, Transporting

41

J

101/93, 354/236.

B41J 23/34 (2006.01) H02P 23/00 (2006.01)

Patent

CA 1191387

PRINT HEAD MOTOR CONTROL SYSTEM USING ANALOG AND DIGITAL FEEDBACK Abstract of the Invention A control system for a bidirectional printer having a print head carriage movable at different speeds on different printing lines employs a microcomputer which generates a desired velocity profile for the carriage motion. This desired velocity profile is continuously compared with the actual velocity and the error voltage generated is used to control pulse width modulator circuitry which supplies driving power to carriage drive motor.

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