Control apparatus for hammer type impact printer

Details Control apparatus for hammer type impact printer Control apparatus for hammer type impact printer

1985-06-17

1986-12-09

Sewell, Paul T.

Typewriting machines

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

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

400149, 400171, 400175, 400 62, B41J 130

Patent

active

046277510

ABSTRACT:
An alterable storage unit is included in a control apparatus to store code conversion tables for transforming type data or type position data into various control data such as a hammer pressure, an amount of ribbon feed and an amount of proportional space. When a type element is replaced with another, code conversion tables concerned with the new type element are stored in the storage unit. This permits the code conversion tables to be altered or renewed concentratedly in the event of type element replacement.

REFERENCES:
patent: 3892303 (1975-07-01), Willcox
patent: 4103766 (1978-08-01), Ruble et al.
patent: 4217055 (1980-08-01), Moon
patent: 4281938 (1981-08-01), Phillips
patent: 4408918 (1983-10-01), Smith

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