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    • 3. 发明授权
    • Image processing apparatus and image processing method
    • 图像处理装置和图像处理方法
    • US5513007A
    • 1996-04-30
    • US62336
    • 1993-05-17
    • Akio ItoHiroyuki IchikawaSatoru Kutsuwade
    • Akio ItoHiroyuki IchikawaSatoru Kutsuwade
    • H04N1/40H04N1/62H04N1/387
    • H04N1/40012H04N1/62
    • There is disclosed an image processing apparatus capable of identifying and converting a predetermined color in the input image into a predetermined density, whereby the color in the original image can be identified in a monochromatic image by the density. The apparatus is provided with a discrimination unit for identifying a predetermined color in the input image, a first image processing unit for applying a first image processing to the input image according to the result of discrimination by the discrimination unit, a second image processing unit for applying a second image processing to the input image, and a control unit for invalidating the second image processing in an area in which the image processing is conducted by the first image processing unit.
    • 公开了一种能够将输入图像中的预定颜色识别并转换为预定浓度的图像处理装置,由此可以以单色图像中的浓度来识别原始图像中的颜色。 该装置设置有用于识别输入图像中的预定颜色的鉴别单元,用于根据鉴别单元的鉴别结果对输入图像应用第一图像处理的第一图像处理单元,用于 对输入图像应用第二图像处理;以及控制单元,用于使由第一图像处理单元进行图像处理的区域中的第二图像处理无效。
    • 9. 发明授权
    • Laser control apparatus with a current detecting and interrupting system
    • 具有电流检测和中断系统的激光控制装置
    • US06347105B1
    • 2002-02-12
    • US09411393
    • 1999-10-04
    • Tomobumi NakayamaMichiharu MasudaHisatsugu TaharaAkio ItoYukio Yokoyama
    • Tomobumi NakayamaMichiharu MasudaHisatsugu TaharaAkio ItoYukio Yokoyama
    • H01S300
    • H01S5/06825
    • An image forming apparatus is arranged to form an image with laser light emitted from a semiconductor laser source, and is constructed so as to protect the laser source from a breakdown, by regulating electric current flowing to the laser source no matter when an adjusting circuit for adjusting the light amount of the semiconductor laser source is apt to supply the electric current that could break the laser source, to the laser source. The apparatus is constructed in such structure that during an automatic light amount control period the laser light amount emitted from the semiconductor laser source is detected and a current source circuit is made inactive when the light amount detected is over a set light amount and that during periods other than the control period the electric current flowing to the semiconductor laser is detected and the current source circuit is made inactive when the light amount detected becomes over a fixed ratio times the current detected during the automatic light amount control period. In this way, the protection circuit can operate effectively anytime of emission of the laser source, so as to protect the laser source from the breakdown.
    • 图像形成装置被配置成通过从半导体激光源发射的激光形成图像,并且被构造成通过调节流向激光源的电流来保护激光源免受击穿,不管当调节电路 调整半导体激光源的光量易于将激光源的电流提供给激光源。 该装置的结构是这样一种结构,即在自动光量控制期间,检测出半导体激光源发出的激光量,并且当检测到的光量超过设定的光量时,电流源电路被激活,而在期间 当检测到的光量变得超过在自动光量控制周期期间检测到的电流的固定比率时,检测到流过半导体激光器的电流,并且检测流过半导体激光器的电流,并使电流源电路无效。 以这种方式,保护电路可以随时发射激光源,以保护激光源免受击穿。
    • 10. 发明授权
    • Electron beam tester
    • 电子束测试仪
    • US5600734A
    • 1997-02-04
    • US357983
    • 1994-12-19
    • Kazuo OkuboHironori TeguriAkio Ito
    • Kazuo OkuboHironori TeguriAkio Ito
    • G01R31/307G06K9/46G06T7/00G06K9/00
    • G06T7/0006G01R31/307G06K9/4609G06T7/0044G06T7/0085G06T2207/10061G06T2207/30121G06T2207/30148
    • An electron beam tester scans a sample with an electron beam to provide a secondary electron image, matches wiring patterns of the secondary electron image with wiring patterns prepared from CAD data, measures voltages of the wiring patterns, and corrects deformation of the secondary electron image. The electron beam tester comprises a pattern matching unit, a wiring pattern tester, a secondary electron image corrector, a wiring pattern inspection unit, and a pattern matching processor. The pattern matching unit simply and quickly matches the wiring patterns of the secondary electron image with the wiring patterns prepared from the CAD data. The wiring pattern tester detects slippage between layers of a multilayered semiconductor chip and correctly positions the electron beam on the chip during a pattern matching operation. The secondary electron image corrector accurately and automatically corrects deformation of the secondary electron image. The wiring pattern inspection unit simply and correctly determines a threshold used for preparing a binary image, to correctly carry out a pattern matching operation. The pattern matching processor accurately detects edges out of a blurred image, to correctly carry out a pattern matching operation.
    • 电子束测试仪用电子束扫描样品以提供二次电子图像,使二次电子图像的配线图案与由CAD数据制备的布线图匹配,测量布线图案的电压并校正二次电子图像的变形。 电子束测试器包括图案匹配单元,布线图案测试器,二次电子图像校正器,布线图案检查单元和图案匹配处理器。 图案匹配单元简单快速地将二次电子图像的布线图案与从CAD数据准备的布线图案相匹配。 布线图案测试仪在模式匹配操作期间检测多层半导体芯片的层之间的滑动并且将电子束正确地放置在芯片上。 二次电子图像校正器精确自动地校正二次电子图像的变形。 布线图案检查单元简单且正确地确定用于准备二值图像的阈值,以正确地执行模式匹配操作。 模式匹配处理器准确地检测模糊图像中的边缘,以正确地执行模式匹配操作。