<p>This invention relates to an ink jet recording apparatus comprises an ink jet head having an ink path communicating with a discharge opening for discharging ink; electrodes arranged in said ink path; a residual ink quantity detection means for detecting residual ink quantity in said ink path in accordance with a resistance value, current value or voltage value from said electrodes; and a correction means for correcting said resistance value, current value or voltage value in accordance with the difference in a resistance of the ink. <IMAGE></p>
申请公布号
EP0672528(A2)
申请公布日期
1995.09.20
申请号
EP19950200737
申请日期
1990.01.26
申请人
CANON KABUSHIKI KAISHA
发明人
TAJIKA, HIROSHI, C/O CANON KABUSHIKI KAISHA;HIRABAYASHI, HIROMITSU, C/O CANON K. K.;ARAI, ATSUSHI, C/O CANON K. K.;KOITABASHI, NORIBUMI, C/O CANON K. K.;TAKAYAMAGI, YOSHIAKI, C/O CANON K. K.