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    • 23. 发明授权
    • Ink-jet head device with a multi-stacked PZT actuator
    • 具有多层PZT致动器的喷墨头装置
    • US06416172B2
    • 2002-07-09
    • US09756705
    • 2001-01-10
    • Hee Moon JeongSuk Han LeeYong-soo Oh
    • Hee Moon JeongSuk Han LeeYong-soo Oh
    • B41J2045
    • B41J2/14209B41J2002/14217
    • An ink-jet head device using a stack of piezoelectric bodies, including a nozzle plate having a nozzle, a manifold portion having a restrictor plate that has a restrictor, piezoelectric bodies stacked in multiple layers and interposed between the nozzle plate and the manifold portion to form a chamber for containing ink, each of the piezoelectric bodies having a cavity at the center, common electrodes and driving electrodes alternately interposed one by one between adjacent piezoelectric bodies, a common lead line and a driving line electrically connected to the common electrodes and driving electrodes, respectively, for supplying a voltage to piezoelectric bodies to cause deformation thereof, and a medium interposed at least between the restrictor plate and a piezoelectric body adjacent to the restrictor plate, and between the nozzle plate and a piezoelectric body adjacent to the nozzle plate, the medium deformed corresponding to deformation of the piezoelectric bodies.
    • 一种使用一堆压电体的喷墨头装置,包括具有喷嘴的喷嘴板,具有限制器的限流板的歧管部分,多层堆叠的压电体,并且介于喷嘴板和歧管部分之间, 形成容纳墨水的室,每个压电体在中心具有空腔,公共电极和驱动电极在相邻的压电体之间交替插入,公共引线和与公共电极电连接的驱动线和驱动 电极,用于向压电体提供电压以引起其变形,以及至少介于限流板和与限制板相邻的压电体之间以及在喷嘴板和与喷嘴板相邻的压电体之间的介质 ,介质根据压电体的变形而变形。
    • 24. 发明授权
    • Structural light based depth imaging method and system using signal separation coding, and error correction thereof
    • 基于结构光的深度成像方法和使用信号分离编码的系统及其误差校正
    • US08326020B2
    • 2012-12-04
    • US11729903
    • 2007-03-29
    • Suk-han LeeJong-moo ChoiDae-sik KimSeung-sub Oh
    • Suk-han LeeJong-moo ChoiDae-sik KimSeung-sub Oh
    • G06K9/00G01B11/30
    • G01B11/25
    • Provided is a structural light based three-dimensional depth imaging method and system using signal separation coding and error correction thereof capable of detecting, removing and correcting corresponding errors between a projection apparatus and an image photographing apparatus caused by phenomena such as reflection on an object surface, blurring by a focus, and so on, using geometrical constraints between the projection apparatus and the image photographing apparatus. Here, the projection apparatus projects light, and the image photographing apparatus obtains the light. The depth imaging method includes projecting light from a projection apparatus, obtaining the light using an image photographing apparatus, and measuring a distance or a three-dimensional depth image. Therefore, it is possible to provide a structural light based three-dimensional depth imaging method and system using geometrical conditions capable of precisely obtaining three-dimensional depth information of target environment.
    • 本发明提供一种结构光立体深度成像方法和系统,其使用信号分离编码和纠错技术,能够检测,去除和校正由诸如物体上的反射等现象引起的投影设备和图像拍摄设备之间的相应误差 ,通过焦点模糊,等等,使用投影装置和图像拍摄装置之间的几何约束。 这里,投影装置发光,摄像装置取得光。 深度成像方法包括投影来自投影装置的光,使用图像拍摄装置获得光,并测量距离或三维深度图像。 因此,可以提供一种能够精确获得目标环境的三维深度信息的几何条件的基于结构光的三维深度成像方法和系统。
    • 27. 发明申请
    • Structural light based depth imaging method and system using signal separation coding, and error correction thereof
    • 基于结构光的深度成像方法和使用信号分离编码的系统及其误差校正
    • US20080205748A1
    • 2008-08-28
    • US11729903
    • 2007-03-29
    • Suk-han LeeJong-moo ChoiDae-sik KimSeung-sub Oh
    • Suk-han LeeJong-moo ChoiDae-sik KimSeung-sub Oh
    • G06K9/03
    • G01B11/25
    • Provided is a structural light based three-dimensional depth imaging method and system using signal separation coding and error correction thereof capable of detecting, removing and correcting corresponding errors between a projection apparatus and an image photographing apparatus caused by phenomena such as reflection on an object surface, blurring by a focus, and so on, using geometrical constraints between the projection apparatus and the image photographing apparatus. Here, the projection apparatus projects light, and the image photographing apparatus obtains the light. The depth imaging method includes projecting light from a projection apparatus, obtaining the light using an image photographing apparatus, and measuring a distance or a three-dimensional depth image. Therefore, it is possible to provide a structural light based thee-dimensional depth imaging method and system using geometrical conditions capable of precisely obtaining three-dimensional depth information of target environment.
    • 本发明提供了一种结构光立体深度成像方法和系统,其使用信号分离编码及其纠错技术,能够检测,去除和校正由诸如物体上的反射等现象引起的投影设备和图像拍摄设备之间的相应误差 ,通过焦点模糊,等等,使用投影装置和图像拍摄装置之间的几何约束。 这里,投影装置发光,摄像装置取得光。 深度成像方法包括投影来自投影装置的光,使用图像拍摄装置获得光,并测量距离或三维深度图像。 因此,可以提供一种能够精确获得目标环境的三维深度信息的几何条件的基于结构光的立体深度成像方法和系统。
    • 29. 发明申请
    • METHOD AND SYSTEM OF STRUCTURAL LIGHT-BASED 3D DEPTH IMAGING USING SIGNAL SEPARATION CODING AND ERROR CORRECTION THEREOF
    • 使用信号分离编码和错误校正的基于结构光的3D深度成像的方法和系统
    • US20060210145A1
    • 2006-09-21
    • US11276126
    • 2006-02-15
    • Suk-Han LEEJong-Moo CHOIDae-Sik KIMSeung-Sub OH
    • Suk-Han LEEJong-Moo CHOIDae-Sik KIMSeung-Sub OH
    • G06K9/00
    • G06K9/2036G01B11/2513G06T7/521
    • A 3D depth imaging method and system are disclosed. The 3D depth imaging method involves radiating light at a measurement target object using a projection means and imaging the light using an image receiving means, and includes the steps of assigning a unique transmitting side address to a signal corresponding to each pixel of the projection means to encode the signal; projecting multiple light patterns at the projection means to transmit the signal; receiving the encoded signal at the image receiving means; separating the received signal to restore the address; and determining a pixel position of the object using the transmitting side address and the restored address. With the 3D depth imaging method and system, it is possible to exactly separate signals received by the image receiving means even when the signals are overlap and the geometrical structure of the object varies, and it is also possible to obtain a depth image that is robust against ambient environmental noise.
    • 公开了3D深度成像方法和系统。 3D深度成像方法包括使用投影装置在测量对象物体处照射光,并使用图像接收装置对光进行成像,并且包括以下步骤:将唯一的发送侧地址分配给与投影装置的每个像素相对应的信号, 对信号进行编码; 在投影装置处投影多个光图案以发射信号; 在图像接收装置处接收编码信号; 分离接收到的信号以恢复地址; 以及使用所述发送侧地址和恢复的地址来确定所述对象的像素位置。 利用3D深度成像方法和系统,即使当信号重叠并且对象的几何结构变化时,也可以精确地分离由图像接收装置接收的信号,并且还可以获得鲁棒的深度图像 防止环境噪音。