Text processing device with device with simultaneous display and

Details Text processing device with device with simultaneous display and Text processing device with device with simultaneous display and

1993-03-07

1993-09-07

Harkcom, Gary V.

395116, 395153, G06F 1562

Patent

active

052436926

ABSTRACT:
A text processing device is provided having a raster type CRT display and a printing unit. Codes corresponding to data to be displayed on the CRT display are stored in a memory which is updated during each vertical retrace period unless the device detects that a motor for the printing unit is activated in which case a fewer number of codes are rewritten into the memory.

REFERENCES:
patent: 4467448 (1984-08-01), Regehr et al.
patent: 4991114 (1991-02-01), Kawamura et al.

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