Print head shifting apparatus for electronic typewriter or the l

Details Print head shifting apparatus for electronic typewriter or the l Print head shifting apparatus for electronic typewriter or the l

1986-01-13

1987-08-04

Pieprz, William

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

400279, B41J 1971, B41J 1950

Patent

active

046842748

ABSTRACT:
The print data and the head shift data which instruct feeding of a print head input from a keyboard of a typewriter, are sequentially stored temporarily in a print buffer. Print processing or heat shifting is executed on the basis of the data sequentially read from the print buffer. In case the head shift data is stored continuously in the print buffer, the head shifting apparatus calculates finally the target position of the print head and shifts the print head to such position.

REFERENCES:
patent: 4180335 (1979-12-01), Yamada
patent: 4279523 (1981-07-01), Ringle
patent: 4381512 (1983-04-01), Butler
Booth, "Proportional Spacing . . . ", IBM Technical Disclosure Bulletin, vol. 26, No. 4, pp. 2056-2061, 9/83.

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