Ink jet head having operating characteristic information, and recording apparatus using such a head
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United States of America Patent
Stats
-
Nov 13, 2001
Issued Date -
N/A
app pub date -
Mar 24, 1997
filing date -
May 31, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet recording apparatus includes a feeder for feeding a recording medium; a carriage reciprocally movable relative to the recording medium; an ink jet recording head detachably mountable on the carriage and having electrothermal transducers for producing thermal energy contributable to ejection of recording ink through ejection outlets thereof, the recording head has an ejection outlet information setting portion wherein a number and a pitch of the ejection outlets of the ink jet recording heads are set; and control circuit for detecting the ejection outlet information in the ejection outlet information setting portion, for discriminating the number and the pitch of the ejection outlets from the detected ejection outlet information, and for determining ejection timing of the recording head and a feed pitch of the recording medium by the feeder on the basis of the number and the pitch of the ejection outlets.
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