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    • 52. 发明授权
    • Method and apparatus for converting halftone images
    • 用于转换半色调图像的方法和装置
    • US5454052A
    • 1995-09-26
    • US44827
    • 1993-04-08
    • Akio Kojima
    • Akio Kojima
    • H04N1/409G06T5/00G06T5/20H04N1/405H04N1/407H04N1/41G06K9/00
    • H04N1/4053
    • The edge feature value of a M-valued original image is detected and converted to an N-valued image (where M>N) using an error diffusion method while suppressing the quantization error in edge areas of the image by edge area enhancement. The N-valued image data is scanned with a edge feature value detection filter to detect feature quantities and is scanned by plural spatial filters with different smoothing characteristics to normalize the output value of each spatial filter to a specific value. The normalized outputs of the spatial filters are weighted with a weighting coefficient based on the edge feature value to generate the interpolated image data, and the resulting image is normalized to L-valued image data (where N
    • 使用误差扩散方法检测M值原始图像的边缘特征值,并通过边缘区域增强来抑制图像的边缘区域中的量化误差而将其转换为N值图像(其中M> N)。 利用边缘特征值检测滤波器扫描N值图像数据以检测特征量,并且由具有不同平滑特性的多个空间滤波器扫描,以将每个空间滤波器的输出值归一化为特定值。 利用基于边缘特征值的加权系数对空间滤波器的归一化输出进行加权,以生成内插图像数据,并将得到的图像归一化为L值图像数据(其中N
    • 57. 发明授权
    • Drive circuit and method of applying high voltage test thereon
    • 驱动电路及其上的高压测试方法
    • US07167030B2
    • 2007-01-23
    • US11063853
    • 2005-02-24
    • Masahiro KitagawaAkio KojimaJunichi Nagata
    • Masahiro KitagawaAkio KojimaJunichi Nagata
    • H03K3/00
    • H03K17/0822H03K5/08H03K17/08122H03K17/102
    • A drive circuit that supplies electric power to an electric load from a DC electric source includes a pair of series-connected first and second MOSFETS of the same conduction type, a pair of clamp circuits respectively connected between the drains and gates of the first and second MOSFETS, a series circuit of a first resistor and a switch, a first test terminal; a second test terminal connected to a joint of the first and second MOSFETS, a third test terminal for operating the switch, a fourth test terminal connected a joint of the first resistor and the switch; and a second resistor connected between the gate of the second MOSFET and the first test terminal. The switch and the first resistor are connected between the gate and the source of the first MOSFET to close when the drive circuit is normally operated and to open when it is given a high voltage test.
    • 从DC电源向电负载供电的驱动电路包括一对相同导电类型的串联连接的第一和第二MOSFET,一对钳位电路,分别连接在第一和第二漏极的漏极和栅极之间 MOSFETS,第一电阻器和开关的串联电路,第一测试端子; 连接到第一和第二MOSFET的接头的第二测试端子,用于操作开关的第三测试端子,连接第一电阻器和开关的接头的第四测试端子; 以及连接在第二MOSFET的栅极和第一测试端子之间的第二电阻器。 当驱动电路正常工作时,开关和第一个电阻连接在第一个MOSFET的栅极和源极之间,并在进行高压测试时打开。
    • 59. 发明授权
    • Plant control monitor
    • 工厂控制监控
    • US06892107B2
    • 2005-05-10
    • US10399726
    • 2001-10-18
    • Takaharu BabaYosimi OgawaAkio Kojima
    • Takaharu BabaYosimi OgawaAkio Kojima
    • G05B23/02G06F19/00
    • G05B23/0272
    • An object of the present invention is to quickly and accurately detect disorder or abnormality of a process state which occurs in a plant and to appropriately perform an operation for normalizing disorder or abnormality of the process without depending on experience or skill of an operator.A control system of the plant is divided into groups having relation, such as, the plant, processes, or steps, and a monitor picture is created for each of them. When an alarm is raised, the alarm is displayed on a picture associated with the alarm. A guidance picture for supporting how to deal with the alarm is provided.
    • 本发明的目的是快速且准确地检测在植物中发生的过程状态的紊乱或异常,并且在不依赖于操作者的经验或技能的情况下适当地执行用于使过程正常化或异常的操作。 植物的控制系统被分成具有诸如植物,过程或步骤之类的关系的组,并且为它们中的每一个创建监视器图像。 报警提示时,报警显示在与报警相关的图像上。 提供了一个支持如何处理报警的指导图。
    • 60. 发明授权
    • Activity-support instructional systems
    • 活动支持教学系统
    • US06450818B1
    • 2002-09-17
    • US09472234
    • 1999-12-27
    • Yoshimi OgawaAkio Kojima
    • Yoshimi OgawaAkio Kojima
    • G09B900
    • G09B5/00
    • An activity-support instructional system includes: (1) operation monitor and control means (A) for entering process condition signals from plural pieces of equipment constituting a plant on an identifying means basis uniquely provided on each piece of the equipment to monitor and control each piece of equipment; (2) a computer-assisted instructional system unit (B) having instructional information entered and configured therein, the instructional information being related to the above equipment and other equipment to be used in general plants; and (3) mediating means (C1) which links individual pieces of equipment monitored and controlled by the operation monitor and control means (A) with the instructional information of the computer-assisted instructional system unit (B), the information being related to the individual pieces of equipment on the basis of the identifying means, and which is capable of selecting, unarchiving and displaying necessary instructional information on the individual piece of equipment on the basis of the identifying means. By the use of the instructional system, operators can immediately gain and learn necessary information in the line of duty during operation or in case of necessity.
    • 一种活动支持教学系统包括:(1)操作监视和控制装置(A),用于在构成植物的多个设备的输入过程状态信号的基础上,唯一地设置在每个设备上,用于监视和控制每个 一件设备; (2)具有输入和配置的教学信息的计算机辅助教学系统单元(B),与上述设备有关的教学信息和用于一般植物的其他设备; 和(3)将由操作监视器和控制装置(A)监视和控制的各个设备的各个设备与计算机辅助教学系统单元(B)的教学信息相连接的中介装置(C1),该信息与 基于识别装置的单个设备,并且能够基于识别装置来选择,取消归档和显示对于单个设备上的必要的教学信息。 通过使用教学系统,操作人员可以立即获得并在运行期间或必要时学习必要的信息。