Output control system for dot-type printer

Details Output control system for dot-type printer Output control system for dot-type printer

1982-07-28

1984-07-10

Schreyer, Stafford D.

Telegraphy

Systems

Printing

400121, 400124, H04L 1524

Patent

active

044594313

ABSTRACT:
A dot-type printer has heretofore been unable to output characters of the pitch which does not coincide with multiples of the dot-width by integers when such dot-width is either electrically or mechanically fixed, causing considerable errors and not being in compliance with the recommendation of CCITT. The system according to the present invention provides a means to obtain the distance between a character and a printing reference point and to output the character at a position which is separated from the reference point by the distance in a multiple of the dot-width by an integer and which is either immediately before or after the point of the distance thus obtained. By such output control, the character outputted can remain within the range recommended by CCITT with only negligible errors.

REFERENCES:
patent: 3999168 (1976-12-01), Findley et al.
patent: 4298290 (1981-11-01), Barnes et al.
A. J. Daflib & R. R. Schomburg, Proportional Spacing Roster Printer Character Generator, IBM Technical Disclosure Bulletin, vol. 15, No. 8, (Jan. 1973), pp. 2215-2216.

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