Motor drive controlling method for an image forming apparatus an

Details Motor drive controlling method for an image forming apparatus an Motor drive controlling method for an image forming apparatus an

1997-01-24

1999-08-17

Le, N.

Incremental printing of symbolic information

Ink jet

Medium and processing means

346139, B41J 201, G01D 1516, G01D 1518

Patent

active

059401052

ABSTRACT:
A motor drive controlling apparatus in an image forming apparatus for effecting recording with a member to be conveyed being conveyed with a servo-motor as a drive source is provided with a conveying roller for driving an endless belt for conveying the member to be conveyed, a first encoder for detecting the rotational speed of the servo-motor for driving the conveying roller, and a second encoder for detecting the rotative operating position of the conveying roller, and feedback speed control for speed control is effected on the basis of the output signal of the first encoder and feedback position control for the control of the rotative operating position of the conveying roller is effected on the basis of the output signal of the second encoder.

REFERENCES:
patent: 4966075 (1990-10-01), Brian
patent: 5711225 (1998-01-01), Rasmussen

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