Ink jet printing head and ink jet printing apparatus using...

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 2/01 (2006.01) B41J 2/175 (2006.01) H01R 13/641 (2006.01)

Patent

CA 2544194

Disclosed is a printing head having connection terminals for performing an electrical connection of signals including drive signals of print elements by contacting connection terminals in an apparatus side when the head is mounted onto an ink jet printing apparatus. It is made to guarantee connections of all terminals by detecting contacts of a part of terminals. Among the terminals in the head, terminals whose distances from the connection terminals in the printing apparatus become maximum when a deviation occurred in the mounting, are used as terminals for contact detection. For example, from among the connection terminals arranged in a planar area, which is rectangular-shaped, terminals positioned in corners are used as the terminals for the contact detection. When the contacts of these terminals are detected, the connections of all the terminals inside the area can be guaranteed.

Divulgation d'une tête d'impression pourvue de bornes de connexion pour effectuer une connexion électrique des signaux, y compris les signaux d'entraînement des éléments d'impression, en contactant les bornes de connexion du côté appareil lorsque la tête est montée sur un appareil d'impression à jet d'encre. Ladite tête d'impression sert à garantir les connexions de toutes les bornes en détectant les contacts d'une partie des bornes. Parmi les bornes dans la tête, les bornes qui présentent des distances maximales à partir des bornes de connexion dans l'appareil d'impression en cas de déviation dans le montage, servent à la détection de contacts. Par exemple, parmi les bornes de connexion disposées dans une zone planaire, de forme rectangulaire, les bornes placées dans les coins servent à la détection de contacts. Lorsque les contacts de ces bornes sont détectés, les connexions de toutes les bornes à l'intérieur de la zone peuvent être garanties.

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