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    • 2. 发明授权
    • Optical pickup device with substantially mutually orthogonal reflection
surfaces
    • US5835472A
    • 1998-11-10
    • US62321
    • 1993-05-17
    • Noriyoshi HorieTatsuo OhgakiHayami HosokawaMasami TadaTsukasa Yamashita
    • Noriyoshi HorieTatsuo OhgakiHayami HosokawaMasami TadaTsukasa Yamashita
    • G11B7/12G11B7/135G11B11/105G11B7/00
    • G11B7/1356G11B7/124G11B7/1353G11B11/10543
    • An integrated optical pickup device for a magnetooptical recording medium (e.g. a magnetooptical recording disk) and/or an optical recording medium (e.g. an optical recording disk) in which a plurality of focusing grating couplers are formed on an optical waveguide layer manufactured on a substrate. A light reflected from a magnetooptical disk or an optical disk is guided by the focusing grating couplers into the waveguide layer to be separated and to be converged therethtough. The converged lights are detected so as to produce a tracking error signal, a focusing error signal, and an information readout signal. The plural focusing grating couplers are fabricated at an identical location on the waveguide in a superimposed fashion. This increases the utilization efficiency of reflection light per each unitary area of the focusing grating couplers and hence the signals are obtained in a stable state. Between a semiconductor laser and a collimation lens, there is formed a composite beam splitter having two reflection surfaces. Reflection lights from the magnetooptical disk are respectively reflected by these reflection surfaces and are then received by photosensors. Analyzers are disposed respectively on front sides of the photosensors. The analyzers respectively have polarization directions orthogonal to each other. Each photosensor includes three-partition photodiode. The beam sizing method and the push-pull detection methods are used for detecting the focusing and tracking errors. The optical pickup device can also used to read data from an optical disk. A prism is disposed between a semiconductor laser and a collimation lens. The prism has two reflection surfaces. Reflection lights from a magnetooptical disk are respectively reflected by these reflection surfaces to be received by photosensors. On front sides of the photosensors, there are respectively arranged analyzers respectively having polarization directions orthogonal to each other.
    • 5. 发明授权
    • Providing protection against unauthorized network access
    • 提供防止未经授权的网络访问的保护
    • US08677484B2
    • 2014-03-18
    • US13419554
    • 2012-03-14
    • Seiji MunetohAkira OhkadoYukihiko SohdaMasami Tada
    • Seiji MunetohAkira OhkadoYukihiko SohdaMasami Tada
    • G06F11/00G06F12/14G06F12/16G08B23/00
    • G06F21/554G06F9/45533G06F21/74G06F2221/2127H04L63/1491
    • A system includes a detection unit configured to detect unauthorized access to one or more information processing apparatuses that are virtually implemented by virtual machines executed by a computer; an authorized network configured to transfer authorized access to the one or more information processing apparatuses from an external network; a honeypot network configured to transfer unauthorized access to the information processing apparatuses from the external network; and a control unit configured to connect the information processing apparatuses for which no unauthorized access has been detected to the authorized network, and connect the information processing apparatuses for which unauthorized access has been detected to the honeypot network; wherein the control unit shifts, in response to detecting unauthorized access by the detection unit, the corresponding information processing apparatus into a decoy mode in which the detected unauthorized access is disconnected from a normal operation.
    • 一种系统,包括:检测单元,被配置为检测对由计算机执行的虚拟机虚拟实现的一个或多个信息处理设备的未授权访问; 授权网络,被配置为从外部网络传送对所述一个或多个信息处理设备的授权访问; 蜜罐网络,被配置为从外部网络传送对信息处理设备的未经授权的访问; 以及控制单元,被配置为将没有未经授权的访问的信息处理设备连接到授权网络,并且将已经检测到未经授权的访问的信息处理设备连接到蜜罐网络; 其中所述控制单元响应于检测到所述检测单元的未经授权的访问而将所述对应的信息处理设备移动到所述检测到的未授权访问与正常操作断开的诱饵模式。
    • 7. 发明申请
    • SECURELY MANAGING THE EXECUTION OF SCREEN RENDERING INSTRUCTIONS IN A HOST OPERATING SYSTEM AND VIRTUAL MACHINE
    • 管理在主机操作系统和虚拟机中执行屏幕渲染指令的安全性
    • US20130007469A1
    • 2013-01-03
    • US13488369
    • 2012-06-04
    • Taku AratsuSanehiro FuruichiMasami Tada
    • Taku AratsuSanehiro FuruichiMasami Tada
    • H04L9/00G06F9/455
    • G06F9/45558G06F21/53G06F21/606G06F2009/45587G06F2221/2141
    • Provided are a computer readable storage medium, computer apparatus, and method for securely managing the execution of screen rendering instructions in a host operating system and virtual machine. A first rendering instruction hooking section is set to a first mode to hook a screen rendering instruction issued by a virtual machine application in a virtual machine. A second rendering instruction hooking section is set to a second mode to hook instructions issued by the virtual machine application. The hooked screen rendering instruction issued by the virtual machine application are encrypted in response to the setting of the first mode to produce illegible output. The hooked screen rendering instruction issued by the virtual machine application are encrypted in response to the setting of the second mode. The encrypted hooked screen rendering instruction encrypted in the second mode are issued to a host operating system to decrypt.
    • 提供了一种用于在主机操作系统和虚拟机中安全地管理屏幕呈现指令的执行的计算机可读存储介质,计算机装置和方法。 将第一渲染指令挂钩部分设置为第一模式以将由虚拟机应用发出的屏幕渲染指令挂接在虚拟机中。 将第二渲染指令挂钩部分设置为第二模式以钩住由虚拟机应用发出的指令。 响应于第一模式的设置,由虚拟机应用发出的挂接画面呈现指令被加密以产生难以辨认的输出。 响应于第二模式的设置,由虚拟机应用发出的挂接画面呈现指令被加密。 以第二模式加密的加密的挂接屏幕呈现指令被发布到主机操作系统以进行解密。
    • 10. 发明授权
    • Method to visualize performance data of a multi-layered state diagram
    • 可视化多层状态图的性能数据的方法
    • US07683902B1
    • 2010-03-23
    • US12413395
    • 2009-03-27
    • Eiichi TazoeMasami Tada
    • Eiichi TazoeMasami Tada
    • G06T11/20G06F9/45
    • G06T11/206G06F8/30G06F11/323
    • A method of enhancing a display of performance data in a hierarchical state diagram includes measuring a processing time P(t) for each transition action code T(t) of each hierarchical level of the hierarchical state diagram, measuring a processing time P(t) for each state of each hierarchical level of the hierarchical state diagram, and modifying the hierarchical state diagram to enlarge or decrease a width W(t) of transition lines in accordance with a ratio of processing times of all transition action codes in a same hierarchical level. The method also includes modifying the hierarchical state diagram to enlarge or decrease an area size S(x) of a state P(x) to a ratio of processing times of all states in a same hierarchical level, to enlarge or decrease a width W′(t) of an arrow representative of an EntryAction and ExitAction of a state in proportion to processing time and displaying the modified hierarchical state diagram to enhance visualization of the modified transition line width W(t), the modified area size S(x) and the modified EntryAction/ExitAction width W′(t).
    • 一种在分层状态图中增强性能数据的显示的方法包括测量分级状态图的每个层级的每个转换动作代码T(t)的处理时间P(t),测量处理时间P(t) 对于分级状态图的每个分层级别的每个状态,并且根据所有转换动作代码在相同层级中的处理时间的比率来修改分层状态图以放大或减小转换线的宽度W(t) 。 该方法还包括修改分级状态图,以将状态P(x)的面积大小S(x)扩大或减小为相同分级级别中的所有状态的处理时间的比率,以放大或缩小宽度W' (t)表示与处理时间成比例的状态的EntryAction和ExitAction,并显示修改的分层状态图,以增强修改的转移线宽度W(t)的可视化,修改的面积大小S(x)和 修改后的EntryAction / ExitAction宽度W'(t)。