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US 4,543,588 AGranted
Dot printer
AssigneeCanon Kabushiki Kaisha
InventorHiroshi Fukui
Life of this patent
Estimating the term…
Abstract
In a dot printer having a print head with m print elements arranged in a line for printing a character dot pattern of n columns by m rows, the character dot pattern is configured such that the number of dots in any one columns of the dot character pattern is less than m.
Claims9
A dot printer comprising:
- a head having m print elements arranged in a column;
- memory means for storing data to be printed by said head;
- pattern generating means for generating a plurality of dot patterns, each having n columns by m rows of dots, for the data stored in said memory means, the number of dots in any column of any dot pattern being less than m;
- and
- drive means for driving said print elements of said head in accordance with the dot pattern generated by said pattern generating means.
2 more elements
A dot printer comprising:
- a head having m print elements arranged in a column;
- memory means for storing a data to be printed by said head;
- pattern generating means for generating a plurality of dot patterns, each having n columns by m rows of dots, for the data stored in said memory means, the number of dots in any column of any dot pattern being no more than m.times.4/7;
- and
- drive means for driving said print elements of said print head in accordance with the dot pattern generated by said pattern generating means.
2 more elements
Dependencies are inferred from the claim text.