Discharge control device, its discharge control method, and...

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 2/415 (2006.01)

Patent

CA 2543675

The invention provides a discharge control unit, which can control discharge from a discharge electrode at low voltage, aiming at achieving high density mounting based on downsizing of the discharge control portion and a decrease in production costs, cause electric leakage to hardly occur, and excellent in discharge stability. The discharge control unit includes: a heating portion including one or a plurality of heat-generating bodies and driver ICs electrically connected to one or a plurality of heat-generating bodies and caused to generate heat by flowing an electric current to an optional point of one heat-generating body or selectively flowing the same to a plurality of heat-generating bodies; and a heat generation portion insulating film covered on at least the heat-generating bodies; and discharge electrodes, to which voltage is applied, disposed at the heat generation portion insulating film so as to correspond to one or a plurality of heat-generating bodies; wherein discharge is carried out from discharge portions of the discharge electrodes selectively heated by the heat-generating bodies.

L'invention concerne un dispositif de commande de décharge permettant de commander la décharge d'une électrode de décharge basse tension. La taille réduite de la partie commande de décharge permet de former un montage haute densité et de réduire les coûts de fabrication. Le dispositif est peu sujet aux fuites électriques et présente une excellente stabilité de commande décharge. Ce dispositif comprend une partie chauffe comportant un ou plusieurs éléments chauffants, et un circuit imprimé pilote connecté électriquement à ceux-ci et conçu pour alimenter sélectivement soit une partie arbitraire du ou des éléments chauffants, soit le(s) éléments en vue de produire de la chaleur ; un film isolant de partie chauffante couvrant au moins le(s) élément(s) chauffant(s) ; et une électrode de décharge d'élément(s) chauffant(s), prévue sur le film isolant et auquel une tension est appliquée. La décharge est produite par une partie décharge de l'électrode de décharge chauffée sélectivement par les éléments chauffants.

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