Invention Grant
- Patent Title: Element substrate, printhead, head cartridge, and printing apparatus
- Patent Title (中): 元件基板，打印头，头盒和打印装置
-
Application No.: US12111039Application Date: 2008-04-28
-
Publication No.: US08235485B2Publication Date: 2012-08-07
- Inventor: Takahiro Matsui , Yoshiyuki Imanaka , Souta Takeuchi , Takuya Hatsui , Takaaki Yamaguchi , Kousuke Kubo
- Applicant: Takahiro Matsui , Yoshiyuki Imanaka , Souta Takeuchi , Takuya Hatsui , Takaaki Yamaguchi , Kousuke Kubo
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JP2007-121161 20070501; JP2008-088263 20080328
- Main IPC: B41J29/38
- IPC: B41J29/38
Abstract:
The present invention prevents an element substrate from not operating normally in the case where the voltage supply from a power supply that applies a voltage to a logic circuit is unstable. The element substrate of the invention has unit for applying a first voltage to the logic circuit, and unit capable of applying a second voltage that is lower than the first voltage and capable of operating the logic circuit.
Public/Granted literature
- US20080309692A1 ELEMENT SUBSTRATE, PRINTHEAD, HEAD CARTRIDGE, AND PRINTING APPARATUS Public/Granted day:2008-12-18
Information query
IPC分类:
