发明名称 |
Inkjet printer and method for determining ink discharging timing |
摘要 |
An inkjet printer is configured to acquire gap variation information related to a variation of a gap between a specific portion of an ink discharging surface and a recording sheet as a function of an inkjet head position, the specific portion located within a usage nozzle disposed area where usage nozzle rows to be actually used are disposed, determine representative gap variation information related to a variation, as a function of the inkjet head position, of a representative gap representing actual gaps between the usage nozzle rows and the recording sheet, by multiplying the gap variation information by a correction coefficient dependent on a width of the usage nozzle disposed area in a head moving direction and a wavelength of a wave shape of the recording sheet, and determine ink discharging timing based on the representative gap variation information, assuming that the actual gaps are equal to the representative gap. |
申请公布号 |
US8926037(B2) |
申请公布日期 |
2015.01.06 |
申请号 |
US201414228445 |
申请日期 |
2014.03.28 |
申请人 |
Brother Kogyo Kabushiki Kaisha |
发明人 |
Terada Kohei |
分类号 |
B41J25/00;B41J25/308 |
主分类号 |
B41J25/00 |
代理机构 |
Scully, Scott, Murphy & Presser, PC |
代理人 |
Scully, Scott, Murphy & Presser, PC |
主权项 |
1. An inkjet printer comprising:
an inkjet head configured to discharge ink from a plurality of nozzles formed in an ink discharging surface thereof, the plurality of nozzles arranged in a plurality of nozzle rows along a first direction, the plurality of nozzle rows arranged along a second direction that is perpendicular to the first direction and parallel to the ink discharging surface; a head moving unit configured to move the inkjet head relative to a recording sheet along the second direction; and a wave shape generating mechanism configured to deform the recording sheet in a predetermined wave shape that has top portions of portions protruding in a third direction toward the ink discharging surface and bottom portions of portions recessed in a fourth direction opposite to the third direction, the top portions and the bottom portions alternately arranged along the second direction, wherein the ink discharging surface includes a usage nozzle disposed area where usage nozzle rows to be used in a printing operation, of the plurality of nozzle rows, are disposed, and wherein half a width of the usage nozzle disposed area in the second direction is equal to or less than a distance between adjacent two portions of the top portions and the bottom portions. |
地址 |
Nagoya JP |