Printer controlling apparatus

Details Printer controlling apparatus Printer controlling apparatus

1990-03-02

1992-03-17

Evans, Arthur G.

Image analysis

Histogram processing

For setting a threshold

382 56, G06K 1500

Patent

active

050974262

ABSTRACT:
A printer includes a first memory for storing character pattern data provided by compressing a plurality of character patterns by a prescribed method, a second memory for storing data expanded from the compressed character pattern data, and a printing apparatus for printing the prepared characters. When character patterns designated by externally applied character code information are prepared in the second memory, the data in the second memory are directly printed. Only when the designated character pattern are not prepared in the second memory, the data in the first memory are expanded, stored in the second memory, and the printing is carried out.

REFERENCES:
patent: 4745561 (1988-05-01), Hirosawa et al.

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