Printing starting position controller for serial printer

Details Printing starting position controller for serial printer Printing starting position controller for serial printer

1990-07-19

1992-10-27

Wiecking, David A.

Typewriting machines

Control of print position along print-line by signal...

400322, B41J 2116

Patent

active

051583798

ABSTRACT:
A printing controller for a serial printer, wherein a carriage having a printing head is reciprocated by a motor via transmitting a means, includes a carriage position detector for detecting the position of the carriage to produce a position detection signal; a timing signal generator for detecting the rotational position of the motor, thereby producing a timing signal synchronously with the movement of the carriage in a line direction; a synchronizing signal generator for producing a synchronizing signal per each predetermined plurality of timing signal synchronously with the timing signal, and a control circuit for producing a printing initiation signal, on the basis of the position detection signal, the timing signal and the synchronizing signal, in accordance with a first timing signal after the carriage leaves a home position and receives a first synchronizing signal.

REFERENCES:
patent: 4448553 (1984-05-01), Yonezawa
patent: 4507002 (1985-03-01), Matsumoto
patent: 4591969 (1986-05-01), Bloom
patent: 4628239 (1986-12-01), Everett
patent: 4701685 (1987-10-01), Gruner
patent: 4789874 (1988-12-01), Majette
patent: 4795285 (1989-01-01), Moriya
patent: 4802777 (1989-02-01), Yamada
patent: 4806034 (1989-02-01), Plummer
Import 5000 Series Theory Manual Feb. 1987 pp. 2-9 to 2-11.

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