Impact printer with variable impact and rebound control

Details Impact printer with variable impact and rebound control Impact printer with variable impact and rebound control

1992-06-02

1993-01-19

Wiecking, David A.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Imprint by pivoting of type-head-carrier and type-head...

4401572, 101 9302, B41J 942, B41J 948

Patent

active

051802350

ABSTRACT:
An impact printer has a platen, a carriage movable in parallelism to the platen, a hammer carried on the carriage, driving means for protruding the hammer toward the platen, detecting means for detecting the speed of the hammer striking against the platen and returned therefrom, and control means for changing over the speed at which the hammer is protruded toward the platen in conformity with the result of the detection of the detecting means.

REFERENCES:
patent: 1977531 (1934-10-01), Sperry
patent: 4064799 (1977-12-01), Babler
patent: 4407193 (1983-10-01), Hall
patent: 4440079 (1984-04-01), Dayger
patent: 4547087 (1985-10-01), Heider
patent: 4558965 (1985-12-01), Ueda

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