Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent
1983-08-10
1985-10-01
Pieprz, William
Typewriting machines
Typing by other than type-face or type-die
Thermal
346 76PH, 400356, B41J 320
Patent
active
045442878
ABSTRACT:
Printing control apparatus includes structure for selectively preventing the operation of a thermal head comprising part of a label printer for thermosensitive labels. The thermal head can be moved away from and into contact with a label to limit its operational printing period. Alternately, thermal elements comprising a portion of the thermal head can be deactivated when a label detector fails to detect the presence of a label at a predetermined position, when the contact between the thermal head and a label is inadequate, or when the transportation or feeding of the label over a predetermined path within the printer is abnormal. A method for using the apparatus to selectively prevent the thermal head from being operational is also provided. A thermosensitive label is adapted to be used in conjunction with the apparatus and method and includes a substrate layer and a thermosensitive coloring layer comprising a color former and a transparent dye.
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Pieprz William
Teraoka Seikosho Co., Ltd.
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