Ink tank and ink jet printer incorporating the same

An ink chamber (5) is formed with a vent port (13) allowing atmospheric air to enter therein and an ink outlet (7) from which ink is taken out. An optical member (52) has an ink contact face (52a,52b) capable of contacting with ink contained in the ink chamber. The ink contact face includes a detect...

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Bibliographic Details
Main Author HANAOKA YUKIHIRO,YAMADA TAKASHI,NAKAYAMA HIROYUKI,YAMADA MANABU
Format Patent
LanguageEnglish
Published 16.08.2006
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PERFORMING OPERATIONS
PHYSICS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TESTING
TRANSPORTING
TYPEWRITERS
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Summary:An ink chamber (5) is formed with a vent port (13) allowing atmospheric air to enter therein and an ink outlet (7) from which ink is taken out. An optical member (52) has an ink contact face (52a,52b) capable of contacting with ink contained in the ink chamber. The ink contact face includes a detection face at which a remaining amount of ink in the ink chamber is optically detected in accordance with an amount of air entered into the ink chamber via the vent port. A first ink absorbing member (40) is disposed in the vicinity of the ink contact face, and capable of absorbing the ink in the ink chamber.
Bibliography:Application Number: CN200610006776