B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/44 (2006.01) B41J 2/45 (2006.01) B41J 2/455 (2006.01) G06K 15/12 (2006.01)
Patent
CA 2372341
A self-scanning light-emitting device such that the power loss by a write current limiting resistor externally attached to a chip is reduced and the rise of the temperature of the optical write head is small. The difference between the H and L levels of the circuit for controlling a transfer section is lower than the difference between the H and L levels of the circuit for controlling a light-emission circuit. As a result, the power consumption by the resistor for write current limitation externally attached to the chip is reduced, and thereby the rise of temperature of the head is suppressed.
L'invention concerne un dispositif d'autobalayage émettant de la lumière, caractérisé par une diminution de la perte d'électricité par une résistance limitant le courant d'écriture attachée extérieurement à une puce, et par une faible augmentation de la température de la tête d'écriture optique. La différence entre les niveaux H et L du circuit de commande d'une section de transfert est inférieure à la différence entre les niveaux H et L du circuit de commandant le circuit d'émission de lumière. Ainsi, la consommation d'électricité de la résistance limitant le courant d'écriture extérieurement attachée à la puce est réduite, et l'augmentation de la température de la tête est supprimée.
Nippon Sheet Glass Co. Ltd.
Smart & Biggar
LandOfFree
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