Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1985-01-14
1986-07-29
Sewell, Paul T.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
400303, 400124, 400304, B41J 312
Patent
active
046028803
ABSTRACT:
A dot printing device includes a head having a plurality of head pins, a dot driver for selectively energizing the head pins according to dot data, a character generator, and a data processing unit for causing N-bit dot data constituting designated character data to be generated sequentially by the character generator according to input character designation data, and supplied to the head driver. The data processing unit causes a plurality of N-bit dot data corresponding to the input character designation data to be generated from the character generator according to input character designation data and italic printing data, and supplies the lower bit of the N-bit dot data and (N-1) bits with predetermined delay times with respect to the lowest bit to the head driver.
REFERENCES:
patent: 3521293 (1970-07-01), Haas
patent: 4071130 (1978-01-01), Lichti
patent: 4159882 (1979-07-01), Sanders
Sewell Paul T.
Tokyo Electric Co. Ltd.
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