Serial printing apparatus

Details Serial printing apparatus Serial printing apparatus

1980-02-25

1981-12-29

Coven, Edward M.

Typewriting machines

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

Including type-faces movable relative to type-face-carrier

4001622, 4001443, B41J 130

Patent

active

043079679

ABSTRACT:
A type element (22) is driven across a sheet of paper (24) and a hammer is driven at desired space positions for printing without stopping the type element (22). A length of time required for the type element (22) to select a new character is computed, and a type element drive speed for a next space is computed as a function of the selection time and the present drive speed so that the type element (22) will reach the next space in a length of time substantially equal to the selection time, thereby compensating for acceleration or deceleration of the type element (22).

REFERENCES:
patent: 4030591 (1977-06-01), Martin et al.
patent: 4101006 (1978-07-01), Jensen et al.
patent: 4118129 (1978-10-01), Grundher
patent: 4178108 (1979-12-01), Kane
patent: 4189246 (1980-02-01), Kane et al.
patent: 4226546 (1980-10-01), Hoffman
patent: 4232975 (1980-11-01), Kane

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