Ink jet recording method and apparatus using thermal energy

Details Ink jet recording method and apparatus using thermal energy Ink jet recording method and apparatus using thermal energy

B - Operations, Transporting

41

J

B41J 2/05 (2006.01) B41J 2/125 (2006.01) B41J 2/195 (2006.01) B41J 29/393 (2006.01)

Patent

CA 2059613

A recording method in which ink is ejected by thermal energy produced by a heat generating element of a recording head in response to application of a driving signal thereto including the steps of changing a waveform of the driving signal in accordance with a temperature of the recording head; and selecting a fixed waveform of the drive signal when the temperature of the recording head exceeds a predetermined level.

La présente invention a pour objet une méthode d'écriture dans laquelle l'encre est éjectée par l'énergie thermique produite par un composant calorifique à l'intérieur d'une tête d'écriture en réponse à la réception d'un signal de commande. La méthode en question comporte les étapes suivantes: modification de la forme d'onde du signal de commande en fonction de la température de la tête d'écriture; détermination d'une forme d'onde fixe pour le signal de commande lorsque la température de la tête d'écriture excède un niveau prédéterminé.

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