Electronic apparatus for indicating that a printer has been disa

Details Electronic apparatus for indicating that a printer has been disa Electronic apparatus for indicating that a printer has been disa

1978-09-25

1980-12-02

Malzahn, David H.

Boots, shoes, and leggings

364900, G06F 312

Patent

active

042375410

ABSTRACT:
An electronic instrument having display means and printing means is provided with informing means for informing the operator as to whether the display means or the printing means has been used. Thus, the electronic instrument becomes easier to use and suffers less from malfunctioning.

REFERENCES:
patent: 3971925 (1976-07-01), Wenninger et al.
patent: 3976975 (1976-08-01), Cochran
patent: 4003030 (1977-01-01), Takagi et al.
patent: 4028538 (1977-06-01), Olander, Jr. et al.
patent: 4063221 (1977-12-01), Watson et al.
patent: 4095738 (1978-06-01), Masuo

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