Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-04-17
2009-10-27
Hsieh, Shih-Wen (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S019000, C347S086000
Reexamination Certificate
active
07607758
ABSTRACT:
The printing head has connection terminals for performing an electrical connection of signals including drive signals of print elements by contacting connection terminals on an apparatus side when the head is mounted onto an ink jet printing apparatus. Connections of all terminals can be guaranteed 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.
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Note: Counterpart U.S. patent also cited (see text of IDS).
Hatasa Nobuyuki
Hatsui Takuya
Hayasaki Kimiyuki
Tsukuda Keiichiro
Watanabe Kenjiro
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Hsieh Shih-Wen
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