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    • 32. 发明授权
    • Multi-point motion picture encoding and decoding apparatus
    • 多点运动图像编解码装置
    • US5568184A
    • 1996-10-22
    • US440710
    • 1995-05-15
    • Koichi ShibataTaizo Kinoshita
    • Koichi ShibataTaizo Kinoshita
    • H04N7/15H04N7/26H04N7/50H04N21/2365H04N21/434
    • H04N21/4347H04N19/423H04N19/61H04N21/2365H04N7/15H04N7/152H04N19/30Y10S370/902
    • A display system for displaying a plurality of video windows on a display screen. A receiving element is included for receiving video data packets from a plurality of video sources in a time sharing manner, each of the video data packets including: coded video information for representing a partial image contained within one of a plurality of blocks constituting a video frame; attribute information for indicating at least a location of a block corresponding thereto within the video frame; and identification information of the video source. A decoder element is connected to the receiving element for decoding the coded video information extracted from each of the video data packets and for outputting a partial image corresponding to one of the blocks in the video frame. A set of frame memories are included for assembling partial images into video frames, each of the frame memories having a plurality of window areas located in a predetermined layout defined therein, and a set of the window areas each located at a same location within respective frame memories being associated with a same video source with respect to each other. A writing element is included for writing each partial image derived from the decoder element into one of the window areas within one of the frame memories which is specified in accordance with the identification information extracted from a video data packet related to the partial image and a utilization status of the window areas. Finally, an outputting element is included for selectively outputting contents of the frame memories on a display screen by changing over the frame memories depending upon a display position on the display screen thereby to present a plurality of video frames at a plurality of window areas on the display screen.
    • 一种用于在显示屏幕上显示多个视频窗口的显示系统。 包括接收元件,用于以时分方式从多个视频源接收视频数据分组,每个视频数据分组包括:用于表示包含在构成视频帧的多个块之一内的部分图像的编码视频信息 ; 属性信息,用于指示视频帧内至少与其对应的块的位置; 和视频源的识别信息。 解码器元件连接到接收元件,用于对从每个视频数据包提取的编码视频信息进行解码,并输出与视频帧中的一个块对应的部分图像。 包括一组帧存储器,用于将部分图像组合成视频帧,每个帧存储器具有位于其中定义的预定布局中的多个窗口区域,以及一组各自位于相应帧内的相同位置处的窗口区域 存储器相对于彼此与相同的视频源相关联。 包括写入元件,用于将从解码器元件导出的每个部分图像写入根据与部分图像相关的视频数据包提取的识别信息指定的一个帧存储器中的一个窗口区域中,以及利用 窗口区域的状态。 最后,包括输出元件,用于通过根据显示屏幕上的显示位置改变帧存储器来在显示屏上选择性地输出帧存储器的内容,从而在多个窗口区域上呈现多个视频帧 显示屏。
    • 33. 发明授权
    • Matrix multiplier and picture transforming coder using the same
    • 矩阵乘法器和图像变换编码器使用相同
    • US5325215A
    • 1994-06-28
    • US810173
    • 1991-12-19
    • Koichi ShibataMasaaki Takizawa
    • Koichi ShibataMasaaki Takizawa
    • H03M7/30G06F17/10G06F17/14G06F17/16G06T1/20G06T9/00H04N1/41H04N19/42H04N19/60H04N19/625H04N1/40
    • H04N19/60G06F17/147G06F17/16
    • A matrix multiplier used in a picture transforming coder is provided for multiplying an input signal matrix by a coefficient matrix configured to comprise as many constant multipliers as absolute values of coefficients in the transform coefficient matrix for handling the signal matrix as common multiplicands, a plurality of selectors for selecting values necessary for computing elements of the matrix product from multiplication results output by the constant multipliers and a respective accumulator assigned to each of the selectors for accumulating the selected values to finally provide an element of the matrix product. As a result, since the processing can be done by merely performing as many fixed multiplications as absolute values of the coefficients in the transform coefficient matrix, the multipliers can be implemented as a relatively simple combination of adders, allowing the entire size of a picture information transforming coder or the like to be reduced.
    • 提供了用于图像变换编码器的矩阵乘法器,用于将输入信号矩阵乘以系数矩阵,该系数矩阵被配置为包括作为用于处理信号矩阵作为公共被乘数的变换系数矩阵中的系数的绝对值的常数乘数, 选择器,用于从由常数乘法器输出的乘法结果中选择用于计算矩阵乘积元素所需的值,以及分配给每个选择器的相应累加器,用于累加所选择的值,以最终提供矩阵乘积的元素。 结果,由于可以通过仅仅执行与变换系数矩阵中的系数的绝对值一样多的固定乘法来进行处理,所以乘法器可以被实现为加法器的相对简单的组合,允许图像信息的整体大小 转换编码器等将被减少。
    • 35. 发明申请
    • MEDICAL X-RAY APPARATUS
    • 医疗X射线设备
    • US20150042643A1
    • 2015-02-12
    • US14388137
    • 2012-03-29
    • Koichi ShibataYukio MishinaKazuhiro Mori
    • Koichi ShibataYukio MishinaKazuhiro Mori
    • A61B6/00G06T15/08A61B6/02G06T19/20
    • A61B6/5235A61B1/2676A61B6/022A61B6/032A61B6/12A61B6/4085A61B6/4441A61B6/463A61B6/466A61B6/469A61B6/487A61B6/50A61B6/5264G06T15/08G06T19/20G06T2219/2008
    • Provided is one example of a medical X-ray apparatus used as a C-arm fluoroscopy apparatus for endoscopy. Firstly, a three-dimensional image (CBCT volume data) is obtained through cone beam CT imaging (CBCT imaging). Then a stereogram (right and left fluoroscopy images) is generated through endoscopy (fluoroscopy). Thereafter, a stereoscopic image (right and left CBCT images) is generated based on the three-dimensional image (CBCT volume data) in projection directions in the stereogram. The three-dimensional image (stereoscopic image) and the stereogram are same in terms of an X-ray image. Accordingly, these images are superimposed to be displayed in real time on a display unit. This allows identification of a position and a direction of an object under fluoroscopy. Moreover, a three-dimensional coordinate of the object is detected from the stereogram in real time. Consequently, the position and the direction under fluoroscopy can be identified much readily, leading to perform accurate navigation.
    • 提供了用作内窥镜检查用的C型臂透视装置的医疗X射线装置的一例。 首先,通过锥束CT成像(CBCT成像)获得三维图像(CBCT体积数据)。 然后通过内窥镜检查(荧光透视)产生立体图(左右透视图像)。 此后,基于立体图中的投影方向上的三维图像(CBCT体积数据)生成立体图像(右和左CBCT图像)。 关于X射线图像,三维图像(立体图像)和立体图是相同的。 因此,这些图像被叠加以在显示单元上实时显示。 这允许在荧光透视下识别物体的位置和方向。 此外,从立体图实时检测物体的三维坐标。 因此,可以很容易地识别荧光透视下的位置和方向,导致执行准确的导航。
    • 36. 发明申请
    • X-RAY RADIOGRAPHIC APPARATUS
    • X-RAY RADIOGRAPHIC设备
    • US20140046177A1
    • 2014-02-13
    • US13988059
    • 2010-11-18
    • Koichi ShibataYukio MishinaKazuhiro Mori
    • Koichi ShibataYukio MishinaKazuhiro Mori
    • A61B6/12
    • A61B6/12A61B6/032A61B6/4014A61B6/4441A61B6/4464A61B6/463A61B6/464A61B6/487A61B6/5235
    • Provided is an X-ray radiographic apparatus capable of accurately recognizing a position and orientation of a tip portion of an endoscope, wherein the X-ray radiographic apparatus includes a navigation processing part 70 for specifying a direction and position of an endoscope 50 and assisting an operation of the endoscope 50. This navigation processing part 70 includes: a position/direction detecting part 71 for detecting a position and direction of the tip portion of the endoscope 50; a CT image processing part 72 for processing a cone-beam CT image; and a virtual endoscopic image processing part 73 for processing a virtual endoscopic image. A coronal image, a sagittal image, an axial image, a front side radioscopic image, a lateral directional radioscopic image and a virtual endoscopic image obtained by cone-beam X-ray CT radiography are displayed in division on a monitor screen of a first monitor 30, and a real endoscopic image is displayed on a monitor screen of a second monitor 40.
    • 本发明提供一种能够精确地识别内窥镜的前端部的位置和姿态的X射线摄影装置,其特征在于,所述X射线摄影装置包括:导航处理部70,其用于指定内窥镜50的方向和位置, 该导航处理部70包括:位置/方向检测部71,用于检测内窥镜50的前端部的位置和方向; 用于处理锥束CT图像的CT图像处理部72; 以及用于处理虚拟内窥镜图像的虚拟内窥镜图像处理部73。 在第一监视器的监视器屏幕上分割地显示冠状图像,矢状图像,轴向图像,前侧放射线图像,横向方向扫描图像和通过锥束X射线CT摄影获得的虚拟内窥镜图像 30,并且在第二监视器40的监视器屏幕上显示真实的内窥镜图像。
    • 37. 发明申请
    • LONG-TERM SIGNATURE SERVER, LONG-TERM SIGNATURE TERMINAL, AND LONG-TERM SIGNATURE VERIFICATION SERVER
    • 长期签名服务器,长期签名终端和长期签名验证服务器
    • US20120303963A1
    • 2012-11-29
    • US13508752
    • 2010-07-06
    • Shinichi MuraoMasakazu UehataKoichi Shibata
    • Shinichi MuraoMasakazu UehataKoichi Shibata
    • H04L9/32G06F21/24
    • H04L9/3247G06F21/64H04L9/3236H04L9/3263H04L9/3268H04L9/3297H04L2209/68
    • Long-term signature data is formed at a server side while a private key and the like are held at a client side. The long-term signature data is configured by arranging ES, STS, verification information, ATS (1st), and ATS (2nd) in a predetermined long-term signature format. Among these elements, those for which processing using the private key and original data are necessary are ES and ATS. Due to processing where the original data and the private key is necessary being performed by a client terminal 3 and processing where the long-term signature data is analyzed and generated being performed by a long-term signature server 2, the long-term signature data is generated in the long-term signature server 2 while the original data and the private key are held in an inner portion of the client terminal 3. In this manner, the processing where the long-term signature data is formed is separated from the processing using the private key and the original data and the processing where the analysis and generation of XML is performed, and the former is undertaken in the client terminal 3 and the latter is undertaken in the long-term signature server 2.
    • 在服务器端形成长期签名数据,而在客户端保持私钥等。 通过以预定的长期签名格式安排ES,STS,验证信息,ATS(1st)和ATS(2nd))来配置长期签名数据。 在这些元素中,使用私钥和原始数据进行处理的元素是ES和ATS。 由于由客户终端3执行原始数据和专用密钥的处理以及由长期签名服务器2执行长期签名数据分析和生成的处理,所以长期签名数据 在原始数据和专用密钥被保存在客户终端3的内部的同时在长期签名服务器2中生成。以这种方式,形成长期签名数据的处理与处理 使用私钥和原始数据以及执行XML的分析和生成的处理,并且前者在客户终端3中进行,后者在长期签名服务器2中进行。
    • 38. 发明授权
    • Driving apparatus, lens driving apparatus, and mechanical apparatus
    • 驱动装置,透镜驱动装置和机械装置
    • US08254044B2
    • 2012-08-28
    • US12934956
    • 2008-03-27
    • Koichi Shibata
    • Koichi Shibata
    • G02B7/02G02B15/14
    • G02B7/08F03G7/065
    • The size of a driving apparatus to be mounted in a mobile terminal is desired to be reduced. In a driving apparatus according to the present invention, an arm member supports a member to be driven in a slidable manner. A first biasing member has a predetermined spring constant and biases the member to be driven via the arm member. A second biasing member has a spring constant that is smaller than the spring constant of the first biasing member and, by biasing the member to be driven in a direction that goes against the first biasing member, supports the member to be driven along with the arm member. A shape-memory alloy swings the arm member against the first biasing member by contracting when a drive current is supplied. The member to be driven is slid, when the arm member swings, by the second biasing member while keeping contact with the arm member.
    • 希望减少要安装在移动终端中的驱动装置的尺寸。 在根据本发明的驱动装置中,臂构件以可滑动的方式支撑待驱动的构件。 第一偏置构件具有预定的弹簧常数并且经由臂构件偏压待驱动的构件。 第二偏置构件具有小于第一偏置构件的弹簧常数的弹簧常数,并且通过沿着与第一偏压构件抵接的方向偏置待驱动构件,支撑与臂一起被驱动的构件 会员。 当提供驱动电流时,形状记忆合金通过收缩将臂构件摆动抵靠第一偏置构件摆动。 当臂构件摆动时,被驱动的构件通过第二偏置构件滑动,同时保持与臂构件的接触。
    • 39. 发明申请
    • DRIVER, LENS DRIVER AND MECHANICAL APPARATUS
    • 驱动器,镜头驱动器和机械装置
    • US20110019293A1
    • 2011-01-27
    • US12934956
    • 2008-03-27
    • Koichi Shibata
    • Koichi Shibata
    • G02B7/02F01B29/10
    • G02B7/08F03G7/065
    • The size of a driving apparatus to be mounted in a mobile terminal is desired to be reduced. In a driving apparatus according to the present invention, an arm member supports a member to be driven in a slidable manner. A first biasing member has a predetermined spring constant and biases the member to be driven via the arm member. A second biasing member has a spring constant that is smaller than the spring constant of the first biasing member and, by biasing the member to be driven in a direction that goes against the first biasing member, supports the member to be driven along with the arm member. A shape-memory alloy swings the arm member against the first biasing member by contracting when a drive current is supplied. The member to be driven is slid, when the arm member swings, by the second biasing member while keeping contact with the arm member.
    • 希望减少要安装在移动终端中的驱动装置的尺寸。 在根据本发明的驱动装置中,臂构件以可滑动的方式支撑待驱动的构件。 第一偏置构件具有预定的弹簧常数并且经由臂构件偏压待驱动的构件。 第二偏置构件具有小于第一偏置构件的弹簧常数的弹簧常数,并且通过沿着与第一偏压构件抵接的方向偏置待驱动构件,支撑与臂一起被驱动的构件 会员。 当提供驱动电流时,形状记忆合金通过收缩将臂构件摆动抵靠第一偏置构件摆动。 当臂构件摆动时,被驱动的构件通过第二偏置构件滑动,同时保持与臂构件的接触。