B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/335 (2006.01)
Patent
CA 2200644
A thermal printhead assembly includes a metallic heat sink plate, a head circuit board mounted on an obverse surface of the heat sink plate, and a control circuit board electrically connected to the head circuit board for feeding control signals and power supply to the head circuit board. The head circuit board is formed with a heating resistor. A reverse surface of the heat sink plate is mounted on the control circuit board so that the heat sink plate is sandwiched between the head circuit board and the control circuit board.
Cette invention concerne une tête d'imprimante thermique qui comprend une plaque métallique thermoconductrice, une plaquette à circuits imprimés asservie montée sur la face de la plaque thermoconductrice et une plaquette à circuits imprimés de commande raccordé électriquement à la plaquette asservie et ayant pour fonction de l'alimenter en signaux de commande et courant électrique. La plaquette asservie comporte une résistance chauffante. La plaque thermoconductrice est monté en sandwich entre les deux plaquettes à circuits imprimés.
Marks & Clerk
Rohm Co. Ltd.
LandOfFree
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