Printing apparatus with variable impact pressure

Details Printing apparatus with variable impact pressure Printing apparatus with variable impact pressure

1986-04-23

1988-05-31

Wright, Jr., Ernest T.

Typewriting machines

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

Imprint by movement of record-medium against type-face

400 70, 4001442, B41J 900

Patent

active

047477091

ABSTRACT:
In a printing apparatus address data accesses an address of a time table to vary an impact pressure and supplementary data of each typeface (or character) of a printing type wheel. Thse data are stored in various memories. Data input/output and its processing are controlled by a plurality of microprocessors connected to each other through an interface.

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IBM Technical Disclosure Bulletin, "Controller for Electromechanical Print Hammer", W. Greer et al, vol. 22, No. 8A, Jan. 1980, pp. 3294-3295.
IBM Technical Disclosure Bulletin "Typewriter Print Impression", Anderson et al, vol. 24, No. 8, Jan. 1982, pp. 4316-4318.

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