Inkjet recording device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9849687
SERIAL NO

15300528

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Abstract

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This invention is intended to provide a ink-jet printing device which can detect leak of ink or solvent without the exclusive sensor for leak detection and without increasing cost. An ink jet printing device for printing letter by ejecting ink, comprising, a liquid container for containing ink or solvent, a surface level sensor for detecting surface level arranged on the liquid container, a control unit and a display unit, wherein the display unit displays indication in the case where the surface level change time detected by the control unit using the surface level sensor is larger than the settled surface level change time in settled printing condition is provided for solving the problem.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Nobuhiro Tokyo, JP 26 125
Katou, Manabu Tokyo, JP 35 322
Matsushita, Takehiko Tokyo, JP 19 178
Sakuraba, Masahiko Toko, JP 4 9

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