Wire-dot print head driving apparatus

Details Wire-dot print head driving apparatus Wire-dot print head driving apparatus

1989-08-17

1990-07-10

Wiecking, David A.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

4001572, 361153, 361160, B41J 312

Patent

active

049403435

ABSTRACT:
A driving apparatus for a wire-dot print head in a wire-dot impact printer has a sensor mounted in the print head to detect the motion of the print wires, enabling each print wire to be driven for the optimum time for each dot. Beneficial results include improved print quality, reduced power consumption and operating temperature, and faster printing.

REFERENCES:
patent: 3928796 (1975-12-01), Kaiser
patent: 4263546 (1981-04-01), Morris
patent: 4433926 (1984-02-01), Isobe et al.
patent: 4523867 (1985-06-01), Berrey et al.
patent: 4637742 (1987-01-01), Sakai
patent: 4661882 (1987-04-01), Presley

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