Printing apparatus for printing data based on input program

Details Printing apparatus for printing data based on input program Printing apparatus for printing data based on input program

1993-04-23

1994-07-12

Wiecking, David A.

Typewriting machines

Including selection of type-face by...

Including error detection

400 76, 395114, B41J 2938

Patent

active

053282787

ABSTRACT:
A printing apparatus offering high reliability by improving the rate of detecting errors in a control program supplied externally and by pointing out where the errors exist in the program. The apparatus comprises a data receiver, a flash memory, a CPU and a display unit. In operation, the apparatus receives the control program and a check program from a host computer through the data receiver. The control program defines the way the apparatus operates, and the check program is used to verify the performance of the control program. The two programs when received, are stored into the flash memory. The CPU then checks the control program for performance in accordance with the check program. The result of the check is displayed on the display unit.

REFERENCES:
patent: 4616946 (1986-10-01), Murata et al.
patent: 4968159 (1990-11-01), Sasaki

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