Serial printer with a linear motor printer carriage

Details Serial printer with a linear motor printer carriage Serial printer with a linear motor printer carriage

1981-02-17

1984-05-01

Burr, Edgar S.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

400322, 310 12, 310 15, 318135, B41J 1914, B41J 1930, B41J 2528

Patent

active

044457987

ABSTRACT:
A serial printer is provided with a moving coil type linear motor operated printer carriage, wherein the magnetic field produced by a magnetic circuit of the linear motor is greatest at the opposite ends of the print stroke. The areas of increased magnetic field allow the printer carriage to be quickly accelerated up to the uniform speed at which printing takes place, as well as the deceleration of the carriage as it approaches the end of the print stroke.

REFERENCES:
patent: 749723 (1904-01-01), Dufur
patent: 3592309 (1971-07-01), Craft et al.
patent: 3740628 (1973-06-01), Inagaki
patent: 4012676 (1977-03-01), Giebler
patent: 4151447 (1979-04-01), von der Heide
patent: 4159882 (1979-07-01), Sanders, Jr. et al.
patent: 4293235 (1981-10-01), Gomi
patent: 4318038 (1982-03-01), Munehiro

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