公开(公告)号：US20060181581A1

公开(公告)日：2006-08-17

申请号：US11356063

申请日：2006-02-17

申请人： Chang-hoon Jung ,  Seung-mo Lim ,  Su-ho Shin

发明人： Chang-hoon Jung ,  Seung-mo Lim ,  Su-ho Shin

IPC分类号： B41J2/045

CPC分类号： B41J2/1629 ,  B41J2/055 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/1635 ,  B41J2/1646 ,  B41J2002/14419

摘要： A piezoelectric inkjet printhead, and a method of manufacturing the same, includes an ink inlet for allowing inflow of ink, a plurality of pressure chambers to contain ink to be ejected, the plurality of pressure chambers being in communication with the ink inlet, a manifold formed in communication with the ink inlet, a plurality of restrictors connecting the manifold to respective first ends of the pressure chambers, a plurality of dampers at positions corresponding to respective second ends of the pressure chambers, the second ends being opposite the first ends, a plurality of nozzles in communication with the plurality of dampers for ejecting the ink, a plurality of actuators for applying a driving force to each of the pressure chambers for ejecting the ink, a damping membrane under the manifold for dampening a pressure change inside the manifold and a cavity under the damping membrane.

公开(公告)号：US07537319B2

公开(公告)日：2009-05-26

申请号：US11356063

申请日：2006-02-17

申请人： Chang-hoon Jung ,  Seung-mo Lim ,  Su-ho Shin

发明人： Chang-hoon Jung ,  Seung-mo Lim ,  Su-ho Shin

IPC分类号： B41J2/045 ,  B41J2/17

CPC分类号： B41J2/1629 ,  B41J2/055 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/1635 ,  B41J2/1646 ,  B41J2002/14419

摘要： A piezoelectric inkjet printhead, and a method of manufacturing the same, includes an ink inlet for allowing inflow of ink, a plurality of pressure chambers to contain ink to be ejected, the plurality of pressure chambers being in communication with the ink inlet, a manifold formed in communication with the ink inlet, a plurality of restrictors connecting the manifold to respective first ends of the pressure chambers, a plurality of dampers at positions corresponding to respective second ends of the pressure chambers, the second ends being opposite the first ends, a plurality of nozzles in communication with the plurality of dampers for ejecting the ink, a plurality of actuators for applying a driving force to each of the pressure chambers for ejecting the ink, a damping membrane under the manifold for dampening a pressure change inside the manifold and a cavity under the damping membrane.

摘要翻译： 压电喷墨打印头及其制造方法包括：墨水入口，用于允许墨水流入，多个压力室容纳要喷射的墨水;多个压力室与墨水入口连通;歧管 形成为与所述墨入口连通，多个限制器将所述歧管连接到所述压力室的相应的第一端;多个阻尼器，位于对应于所述压力室的相应第二端的位置处，所述第二端与所述第一端相对， 与用于喷射油墨的多个阻尼器连通的多个喷嘴，用于向每个用于喷射油墨的压力室施加驱动力的多个致动器，用于抑制歧管内的压力变化的歧管下方的阻尼膜， 阻尼膜下面的一个空腔。

公开(公告)号：US20080247789A1

公开(公告)日：2008-10-09

申请号：US11839029

申请日：2007-08-15

申请人： Su-ho SHIN ,  Hwan-guem Kim ,  Dong-jin Seol ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung

发明人： Su-ho SHIN ,  Hwan-guem Kim ,  Dong-jin Seol ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fixing device includes a fixing roller, a fixing belt which is made to rotate by a rotation force received from the fixing roller, a nip forming unit to form a nip zone at a contact area between the fixing roller and the fixing belt, and a first heating unit, which is separated from the nip zone, to apply heat to the fixing belt. The nip zone and the heating unit are separated, so that the heating unit can be prevented from being broken as a result of the pressurization and thermal deformation.

摘要翻译： 定影装置包括定影辊，通过由定影辊接收的旋转力旋转的定影带，在定影辊和定影带之间的接触区域处形成压区的辊隙形成单元，以及 第一加热单元，其从夹持区域分离，以向定影带施加热量。 夹持区域和加热单元被分离，从而可以防止加热单元由于加压和热变形而破裂。

公开(公告)号：US20090092423A1

公开(公告)日：2009-04-09

申请号：US12036514

申请日：2008-02-25

申请人： Su-ho SHIN ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung ,  Tae-hoon Kim ,  Hwan-hee Kim

发明人： Su-ho SHIN ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung ,  Tae-hoon Kim ,  Hwan-hee Kim

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fusing device includes a rotatable pressing roller, a fusing belt to rotate by a rotational force transmitted from the rotatable pressing roller, a nip forming member to contact an inner surface of the fusing belt to form a nip on a contact area between the rotatable pressing roller and the fusing belt, a heating member formed in approximately an internal central portion of the fusing belt to heat the nip forming member and the fusing belt, an inner support member formed within the fusing belt to press a nip part of the nip forming member toward the rotatable pressing roller, and an outer support member formed outside the fusing belt, and both ends of the outer support member being engaged with the inner support member to thereby reinforce the strength of the inner support member and form a path for radiation heat to disperse. The support unit includes an inner support member placed within the belt unit, and an outer support member placed outside the belt unit, both ends of the outer support member being engaged with the inner support member to reinforce the strength of the inner support member and to form a path for a radiation heat to disperse.

摘要翻译： 定影装置包括可旋转的加压辊，通过从可旋转的加压辊传递的旋转力而旋转的定影带，夹持形成构件，其与定影带的内表面接触，以在可旋转的压制 辊和定影带，形成在定影带的大致中心部分的加热构件，用于加热夹持部件和定影带;形成在定影带内的内部支撑构件，以挤压辊隙形成构件的夹持部分 朝向可旋转的压辊，以及形成在定影带外部的外支撑构件，并且外支撑构件的两端与内支撑构件接合，从而增强内支撑构件的强度，并形成用于辐射热的路径 分散。 支撑单元包括放置在皮带单元内的内支撑构件和设置在皮带单元外部的外支撑构件，外支撑构件的两端与内支撑构件接合以增强内支撑构件的强度， 形成辐射热分散的路径。

公开(公告)号：US07773931B2

公开(公告)日：2010-08-10

申请号：US12104699

申请日：2008-04-17

申请人： Chang-hoon Jung ,  Dong-woo Lee ,  Tae-gyu Kim ,  Su-ho Shin ,  Dong-jin Seol ,  Hwan-hee Kim

发明人： Chang-hoon Jung ,  Dong-woo Lee ,  Tae-gyu Kim ,  Su-ho Shin ,  Dong-jin Seol ,  Hwan-hee Kim

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fusing device includes a pressure unit, a belt unit to rotate in outer contact with the pressure unit, a nip forming unit to form a nip over a contact portion between the pressure unit and the belt unit, a heating unit to heat the nip forming unit and the belt unit, and a support unit to press and support the nip forming unit constantly and having a plurality of heat transmission portions defined in a parallelogrammic shape of an oblique direction with respect to a traveling direction of the belt unit.

摘要翻译： 定影装置包括压力单元，与压力单元外部旋转的带单元，在压力单元和带单元之间的接触部分上形成辊隙的辊隙形成单元，用于加热辊隙成形的加热单元 单元和带单元，以及支撑单元，其压缩和支撑辊隙形成单元，并且具有相对于带单元的行进方向以倾斜方向限定的多个传热部。

公开(公告)号：US20090110451A1

公开(公告)日：2009-04-30

申请号：US12104699

申请日：2008-04-17

申请人： Chang-hoon Jung ,  Dong-woo Lee ,  Tae-gyu Kim ,  Su-ho Shin ,  Dong-jin Seol ,  Hwan-hee Kim

发明人： Chang-hoon Jung ,  Dong-woo Lee ,  Tae-gyu Kim ,  Su-ho Shin ,  Dong-jin Seol ,  Hwan-hee Kim

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fusing device includes a pressure unit, a belt unit to rotate in outer contact with the pressure unit, a nip forming unit to form a nip over a contact portion between the pressure unit and the belt unit, a heating unit to heat the nip forming unit and the belt unit, and a support unit to press and support the nip forming unit constantly and having a plurality of heat transmission portions defined in a parallelogrammic shape of an oblique direction with respect to a traveling direction of the belt unit.

摘要翻译： 定影装置包括压力单元，与压力单元外部旋转的带单元，在压力单元和带单元之间的接触部分上形成辊隙的辊隙形成单元，用于加热辊隙成形的加热单元 单元和带单元，以及支撑单元，其压缩和支撑辊隙形成单元，并且具有相对于带单元的行进方向以倾斜方向限定的多个传热部。

公开(公告)号：US08032069B2

公开(公告)日：2011-10-04

申请号：US12975785

申请日：2010-12-22

申请人： Su-ho Shin ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung ,  Tae-hoon Kim ,  Hwan-hee Kim

发明人： Su-ho Shin ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung ,  Tae-hoon Kim ,  Hwan-hee Kim

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fusing device includes a rotatable pressing roller, a fusing belt to rotate by a rotational force transmitted from the rotatable pressing roller, a nip forming member to contact an inner surface of the fusing belt to form a nip on a contact area between the rotatable pressing roller and the fusing belt, a heating member formed in approximately an internal central portion of the fusing belt to heat the nip forming member and the fusing belt, an inner support member formed within the fusing belt to press a nip part of the nip forming member toward the rotatable pressing roller, and an outer support member formed outside the fusing belt, and both ends of the outer support member being engaged with the inner support member to thereby reinforce the strength of the inner support member and form a path for radiation heat to disperse. The support unit includes an inner support member placed within the belt unit, and an outer support member placed outside the belt unit, both ends of the outer support member being engaged with the inner support member to reinforce the strength of the inner support member and to form a path for a radiation heat to disperse.

公开(公告)号：US20110091254A1

公开(公告)日：2011-04-21

申请号：US12975785

申请日：2010-12-22

申请人： Su-ho Shin ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung ,  Tae-hoon Kim ,  Hwan-hee Kim

发明人： Su-ho Shin ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung ,  Tae-hoon Kim ,  Hwan-hee Kim

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fusing device includes a rotatable pressing roller, a fusing belt to rotate by a rotational force transmitted from the rotatable pressing roller, a nip forming member to contact an inner surface of the fusing belt to form a nip on a contact area between the rotatable pressing roller and the fusing belt, a heating member formed in approximately an internal central portion of the fusing belt to heat the nip forming member and the fusing belt, an inner support member formed within the fusing belt to press a nip part of the nip forming member toward the rotatable pressing roller, and an outer support member formed outside the fusing belt, and both ends of the outer support member being engaged with the inner support member to thereby reinforce the strength of the inner support member and form a path for radiation heat to disperse. The support unit includes an inner support member placed within the belt unit, and an outer support member placed outside the belt unit, both ends of the outer support member being engaged with the inner support member to reinforce the strength of the inner support member and to form a path for a radiation heat to disperse.

摘要翻译： 定影装置包括可旋转的加压辊，通过从可旋转的加压辊传递的旋转力而旋转的定影带，夹持形成构件，其与定影带的内表面接触，以在可旋转的压制 辊和定影带，形成在定影带的大致中心部分的加热构件，以加热夹持形成构件和定影带;形成在定影带内的内部支撑构件，以挤压辊隙形成构件的夹持部分 朝向可旋转的压辊，以及形成在定影带外部的外支撑构件，并且外支撑构件的两端与内支撑构件接合，从而增强内支撑构件的强度，并形成用于辐射热的路径 分散。 支撑单元包括放置在皮带单元内的内支撑构件和设置在皮带单元外部的外支撑构件，外支撑构件的两端与内支撑构件接合以增强内支撑构件的强度， 形成辐射热分散的路径。

公开(公告)号：US07773930B2

公开(公告)日：2010-08-10

申请号：US11839029

申请日：2007-08-15

申请人： Su-ho Shin ,  Hwan-guem Kim ,  Dong-jin Seol ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung

发明人： Su-ho Shin ,  Hwan-guem Kim ,  Dong-jin Seol ,  Dong-woo Lee ,  Tae-gyu Kim ,  Chang-hoon Jung

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fixing device includes a fixing roller, a fixing belt which is made to rotate by a rotation force received from the fixing roller, a nip forming unit to form a nip zone at a contact area between the fixing roller and the fixing belt, and a first heating unit, which is separated from the nip zone, to apply heat to the fixing belt. The nip zone and the heating unit are separated, so that the heating unit can be prevented from being broken as a result of the pressurization and thermal deformation.

摘要翻译： 定影装置包括定影辊，通过由定影辊接收的旋转力旋转的定影带，在定影辊和定影带之间的接触区域处形成压区的辊隙形成单元，以及 第一加热单元，其从夹持区域分离，以向定影带施加热量。 夹持区域和加热单元被分离，从而可以防止加热单元由于加压和热变形而破裂。

公开(公告)号：US07497559B2

公开(公告)日：2009-03-03

申请号：US11245131

申请日：2005-10-07

申请人： Su-ho Shin ,  Sung-gyu Kang ,  Jae-woo Chung ,  You-seop Lee ,  Chang-hoon Jung

发明人： Su-ho Shin ,  Sung-gyu Kang ,  Jae-woo Chung ,  You-seop Lee ,  Chang-hoon Jung

IPC分类号： B41J2/045

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/1646 ,  B41J2002/14419

摘要： A piezoelectric inkjet printhead capable of reducing a crosstalk and a method of manufacturing the same are provided. The inkjet printhead includes an upper substrate, an intermediate substrate, and a lower substrate that are sequentially stacked, wherein the upper substrate includes piezoelectric actuators on an upper surface of the upper substrate and pressure chambers and first restrictors on a lower surface of the upper substrate, the first restrictors extending from the pressure chambers and having a width smaller than a width of the pressure chambers, the intermediate substrate includes dampers passing therethrough, the dampers corresponding to the pressure chambers and second restrictors extending between the first restrictors and a manifold formed from a lower surface of the intermediate substrate and the lower substrate includes nozzles passing therethrough, the nozzles corresponding to the dampers.

摘要翻译： 提供一种能够降低串扰的压电喷墨打印头及其制造方法。 喷墨打印头包括依次堆叠的上基板，中间基板和下基板，其中上基板包括在上基板的上表面上的压电致动器和压力室以及上基板的下表面上的第一限流器 第一限流器从压力室延伸并且具有小于压力室的宽度的宽度，中间基板包括通过其的阻尼器，对应于压力室的阻尼器和在第一限流器之间延伸的第二限流器和由 中间基板的下表面和下基板包括穿过其中的喷嘴，喷嘴对应于阻尼器。