Serial printing apparatus controlled by open loop control system

Details Serial printing apparatus controlled by open loop control system Serial printing apparatus controlled by open loop control system

1995-01-18

1999-08-10

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Controller

347 37, B41J 2938, B41J 2300

Patent

active

059366451

ABSTRACT:
On the basis of an encoder output pulse generated by useing a linear encoder film provided along a moving path of a carriage, ink ejection timing is determined. Then, the ink ejection timing is set at a timing derived by dividing a period of the output pulse by three, and the pulse period to be divided is the immediately preceding pulse period. By this, even with open loop control of driving of a carriage motor, high precision ejecting position control can be performed.

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patent: 5416395 (1995-05-01), Hiramatsu et al.

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