Discharging element substrate, printhead, and printing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9114615
APP PUB NO 20150165766A1
SERIAL NO

14560432

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Abstract

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A discharging element substrate, comprising a discharging element configured to discharge liquid, a MOS transistor including a drain terminal electrically connected to a first node to which a first voltage is supplied, a gate terminal electrically connected to a second node to which a second voltage is supplied, and a source terminal and a back gate terminal electrically connected to the discharging element, a switch unit arranged in a current path between the discharging element and a ground node, and a unit configured to make a potential difference between the source terminal and the gate terminal lower than the second voltage in a case where the second voltage is not supplied to the second node.

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First Claim

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takagi, Makoto Yokohama, JP 93 1504

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