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1. 发明申请

US20090058897A1 INKJET PRINT HEAD AND INKJET IMAGE FORMING APPARATUS HAVING THE SAME 审中-公开
标题翻译：喷墨打印头和喷墨图像形成装置
公开(公告)号：US20090058897A1
公开(公告)日：2009-03-05
申请号：US12196345
申请日：2008-08-22
申请人： Eun Bong HAN , Tae Jin Kim , Young Hye Park , Young Ung Ha , Sung Joon Park , Nam Kyun Kim
发明人： Eun Bong HAN , Tae Jin Kim , Young Hye Park , Young Ung Ha , Sung Joon Park , Nam Kyun Kim
IPC分类号： B41J29/38
CPC分类号： B41J2/0458 , B41J2/0451 , B41J2/04521 , B41J2/04541 , B41J2/16579 , B41J2/2142
摘要： An inkjet print head and an inkjet image forming apparatus having the same includes photo sensors are mounted on the inkjet print head to sense whether or not nozzles normally discharge ink and to sense missing nozzles whenever the ink is printed on a recording paper, thereby rapidly and correctly sensing the missing nozzles.
摘要翻译：具有该喷墨打印头和喷墨图像形成装置的喷墨图像形成装置包括光传感器，安装在喷墨打印头上，以便在墨水被打印在记录纸上时，喷嘴是否正常地排出墨水并且感测到缺失的喷嘴，从而迅速地和正确地感测到缺少的喷嘴。

2. 发明申请

US20090015608A1 INKJET IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20090015608A1
公开(公告)日：2009-01-15
申请号：US12061835
申请日：2008-04-03
申请人： Eun Bong HAN , Nam Kyun KIM , Young Ung HA , Sung Joon PARK
发明人： Eun Bong HAN , Nam Kyun KIM , Young Ung HA , Sung Joon PARK
IPC分类号： B41J2/145 , B41J29/38
CPC分类号： B41J2/1404 , B41J2/0451 , B41J2/0453 , B41J2/04533 , B41J2/04541 , B41J2/0458 , B41J2/14056 , B41J2/14072 , B41J2/14129
摘要： Auxiliary nozzles to be used as substitutes for main nozzles formed near an ink feedhole in a print head. The main nozzles are used to perform printing when such nozzles are not defective. When a main nozzle has become defective and cannot normally jet ink, a corresponding spare nozzle is used to perform printing in place of the main nozzle.
摘要翻译：辅助喷嘴用作在打印头中的墨水供给孔附近形成的主喷嘴的替代物。当这些喷嘴没有缺陷时，主喷嘴用于进行打印。当主喷嘴变得有缺陷并且不能正常喷墨时，使用相应的备用喷嘴来代替主喷嘴进行打印。

3. 发明申请

US20090040277A1 INKJET IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20090040277A1
公开(公告)日：2009-02-12
申请号：US12117125
申请日：2008-05-08
申请人： Eun Bong HAN , Nam Kyun KIM , Tae Jin KIM
发明人： Eun Bong HAN , Nam Kyun KIM , Tae Jin KIM
IPC分类号： B41J2/05
CPC分类号： B41J2/0458 , B41J2/04508 , B41J2/04538 , B41J2/04541 , B41J2/04548 , B41J2/04565 , B41J2/04568
摘要： An inkjet image forming apparatus includes a simulation driving circuit having the same characteristics as a driving circuit of a heater corresponding to several nozzles in a head-chip. The inkjet image forming apparatus adjusts a driving power-supply signal applied to a pre-driver to drive an nMOSFET connected to the heater using the simulation driving circuit, and acquires information of additional resistance compensating for a heater driving current. The inkjet image forming apparatus performs a printing process using the acquired additional resistance information, resulting in implementation of a superior print quality.
摘要翻译：喷墨图像形成装置包括具有与头部芯片中的多个喷嘴对应的加热器的驱动电路相同特性的模拟驱动电路。喷墨图像形成装置调整施加到预驱动器的驱动电源信号，以使用模拟驱动电路驱动与加热器连接的nMOSFET，并且获取补偿加热器驱动电流的附加电阻的信息。喷墨图像形成装置使用所获取的附加电阻信息进行打印处理，从而实现优异的打印质量。

4. 发明申请

US20090051957A1 INK JET IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE SAME 失效
标题翻译：喷墨打印机图像形成装置及其控制方法
公开(公告)号：US20090051957A1
公开(公告)日：2009-02-26
申请号：US12117142
申请日：2008-05-08
申请人： Eun Bong HAN , Nam Kyun KIM , Kyu Suk Lee
发明人： Eun Bong HAN , Nam Kyun KIM , Kyu Suk Lee
IPC分类号： G06K15/00
CPC分类号： B41J2/0458 , B41J2/04515 , B41J2/04563 , B41J2/04565
摘要： An ink jet image forming apparatus includes a reset correction unit to restrict a heater driving time so as to prevent a heater from being damaged due to overheating when an error occurs in a system clock. The reset correction unit may determine that an error occurs in the system clock if a discharging voltage of at least one charging circuit, which performs a charging operation using the system clock, is decreased to a reference voltage. In this case, the reset correction unit can generate a reset signal having an initial state such that the heater is no longer driven.
摘要翻译：喷墨图像形成装置包括：复位校正单元，用于限制加热器驱动时间，以防止在系统时钟中发生错误时加热器由于过热而被损坏。如果执行使用系统时钟的充电操作的至少一个充电电路的放电电压减小到参考电压，则复位校正单元可以确定在系统时钟中发生错误。在这种情况下，复位校正单元可以产生具有初始状态的复位信号，使得加热器不再被驱动。

5. 发明申请

US20090040259A1 INKJET IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20090040259A1
公开(公告)日：2009-02-12
申请号：US12132037
申请日：2008-06-03
申请人： Nam Kyun KIM , Eun Bong HAN
发明人： Nam Kyun KIM , Eun Bong HAN
IPC分类号： B41J29/38
CPC分类号： B41J2/0458 , B41J2/04541
摘要： An inkjet image forming apparatus includes a stabilization circuit to stabilize operations of a thermal shutdown circuit simultaneously restricting noise induced in a thermal shutdown circuit. The stabilization circuit includes a pair of PMOSFETs. The PMOSFETs are connected between a power-supply signal of the thermal shutdown circuit and a ground terminal, and serve as a current source and a resistor. The voltage applied to a gate of the pair of PMOSFETs is equal to a voltage applied to the thermal shutdown circuit, so that a circuit configuration is simplified. This voltage is higher than a minimum turn-on voltage of the PMOSFETs, and current signals flowing in the pair of PMOSFETs are approximately equal to each other.
摘要翻译：喷墨图像形成装置包括稳定电路，以稳定热关断电路的操作，同时限制在热关断电路中感应的噪声。稳定电路包括一对PMOSFET。 PMOSFET连接在热关断电路的电源信号和接地端子之间，并且用作电流源和电阻器。施加到一对PMOSFET的栅极的电压等于施加到热关断电路的电压，从而简化了电路配置。该电压高于PMOSFET的最小导通电压，并且在一对PMOSFET中流动的电流信号彼此近似相等。

6. 发明申请

US20080180471A1 APPARATUS TO CONTROL HEATER IN INK JET PRINTER HEAD AND METHOD THEREOF 审中-公开
标题翻译：用于控制喷墨打印头中的加热器的装置及其方法
公开(公告)号：US20080180471A1
公开(公告)日：2008-07-31
申请号：US11952390
申请日：2007-12-07
申请人： Eun Bong HAN
发明人： Eun Bong HAN
IPC分类号： B41J29/38
CPC分类号： B41J2/04591 , B41J2/04515 , B41J2/04541 , B41J2/0458
摘要： An apparatus to control a heater in an ink jet printer head. The apparatus to control the heater in an ink jet printer head includes a limit circuit to generate a limit pulse to limit a strobe pulse such that a maximum driving time of the heater is limited to an abnormal input of a system clock which is provided from the printer body. The maximum driving time of the heater is limited even when an erroneous serial clock signal pulse is input due to an abnormal operation of the printer body in a printing operation to prevent breakdown of the heater.
摘要翻译：一种用于控制喷墨打印头中的加热器的装置。用于控制喷墨打印机头中的加热器的装置包括限制电路，以产生极限脉冲以限制选通脉冲，使得加热器的最大驱动时间被限制为系统时钟的异常输入，系统时钟由打印机机身。即使由于在打印操作中打印机主体的异常操作输入了错误的串行时钟信号脉冲，加热器的最大驱动时间也受到限制，以防止加热器故障。

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