Printing device having record medium feed means

Details Printing device having record medium feed means Printing device having record medium feed means

1993-11-15

1995-10-03

Burr, Edgar S.

Typewriting machines

Sheet or web

Including programmed-control-system for record-medium feed

400583, 4006152, B41J 1142

Patent

active

054546532

ABSTRACT:
A printing device which comprises a thermal head for printing a dot pattern image, a driving mechanism for moving a tape which serves as a recording medium, and a DC motor, is disclosed. Printing by the thermal head is inhibited while the DC motor is accelerating. Printing is then executed when the DC motor rotates at a constant speed. The dot pattern image data is printed utilizing a printing frequency having a constant value and which is obtained by dividing a CPU clock. The rotation speed of the DC motor is preset by elements incorporated in the control circuit of the DC motor.

REFERENCES:
patent: 3656041 (1972-04-01), Bonzano
patent: 4004672 (1977-01-01), Hirano et al.
patent: 4062436 (1977-12-01), Kondur, Jr. et al.
patent: 4192618 (1980-03-01), Kondur, Jr. et al.
patent: 4833375 (1989-05-01), Del Signore, II
patent: 5200761 (1993-04-01), Kawakita et al.
patent: 5230572 (1993-07-01), Hirond et al.
patent: 5295783 (1994-03-01), Godo et al.

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