Printing apparatus having an eraser for erasing a printed charac

Details Printing apparatus having an eraser for erasing a printed charac Printing apparatus having an eraser for erasing a printed charac

1990-12-26

1991-09-03

Burr, Edgar S.

Typewriting machines

Means auxiliary to typewriting function

Means for correcting typing errors

400697, 4006971, B41J 2900

Patent

active

050448021

ABSTRACT:
A printing apparatus including a print mechanism for printing key-input print information; an eraser for erasing a character or symbol printed on a recording medium with the print mechanism; a first memory for storing the key-input information; a second memory for storing information on a print object erased with the eraser; and an erasure controller for controlling the eraser in accordance with a comparison result between the erased object information stored in the second memory and the key-input information stored in the first memory.

REFERENCES:
patent: 4374626 (1983-02-01), Hooker
patent: 4810121 (1989-03-01), Ueno et al.
patent: 4834567 (1989-05-01), Ueno

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