Thermal type recording apparatus

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 2/36 (2006.01)

Patent

CA 2097638

A thermal type recording apparatus performs printing at multi-tone density by changing an energizing time of a thermal head. The apparatus has a controller for controlling the energizing time and a interrupting circuit. The controller controls the energizing time to match to a value corresponding to a tone density for printing. The interrupting circuit puts an interrupt period of energizing for the energizing time if the energizing time is equal to or more than a predetermined time.

L'invention est un appareil d'enregistrement thermique qui effectue des impressions à des densités multiteinte en modifiant le temps d'excitation de sa tête thermique. Cet appareil est doté d'un contrôleur servant à contrôler le temps d'excitation, et d'un circuit interrupteur. Le contrôleur adapte le temps d'excitation à la densité de teinte requise pour l'impression. Le circuit interrupteur impose une période d'interruption à l'excitation quand le temps d'excitation est égal ou supérieur à un temps prédéterminé.

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