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    • 2. 发明申请
    • LASER APPARATUS AND METHOD OF DRIVING DIFFRACTION GRATING
    • 激光装置和驱动衍射光栅的方法
    • US20060274811A1
    • 2006-12-07
    • US11383854
    • 2006-05-17
    • Tomiji TanakaHiroyuki YamagataMasaki Chiba
    • Tomiji TanakaHiroyuki YamagataMasaki Chiba
    • H01S3/10H01S3/08
    • H01S5/141H01S5/02248H01S5/02288H01S5/0687H01S5/32341
    • A laser apparatus is disclosed. The laser apparatus has a diffraction grating that receives laser light from a semiconductor laser, emits first order diffracted light having a predetermined wavelength to the semiconductor laser, and reflects zero-th order light, a reflection section that reflects the zero-th order light reflected by the diffraction grating, a hold section that holds the diffraction grating and the reflection section while an open angle of the diffraction grating and the reflection section is kept constant, the hold section being rotatable with a fulcrum of an intersection of an extended line of a front surface of the diffraction grating and an extended line of a front surface of the reflection section, and a linear drive section that rotates the hold section with a linear motion of a piezoelectric device that expands and shrinks by the piezoelectric effect.
    • 公开了一种激光装置。 激光装置具有从半导体激光器接收激光的衍射光栅,向半导体激光器照射具有预定波长的一级衍射光,并反射零级光,反射零反射光的反射部 通过所述衍射光栅,所述保持部保持所述衍射光栅和所述反射部,同时所述衍射光栅和所述反射部的开放角度保持恒定,所述保持部能够与所述衍射光栅和所述反射部的延长线的交叉点的支点旋转, 衍射光栅的前表面和反射部分的前表面的延伸线,以及线性驱动部分,其通过由压电效应而膨胀和收缩的压电器件的线性运动来旋转保持部分。
    • 5. 发明授权
    • Laser apparatus and method of driving diffraction grating
    • 激光装置及驱动衍射光栅的方法
    • US07366221B2
    • 2008-04-29
    • US11383854
    • 2006-05-17
    • Tomiji TanakaHiroyuki YamagataMasaki Chiba
    • Tomiji TanakaHiroyuki YamagataMasaki Chiba
    • H01S3/08
    • H01S5/141H01S5/02248H01S5/02288H01S5/0687H01S5/32341
    • A laser apparatus is disclosed. The laser apparatus has a diffraction grating that receives laser light from a semiconductor laser, emits first order diffracted light having a predetermined wavelength to the semiconductor laser, and reflects zero-th order light, a reflection section that reflects the zero-th order light reflected by the diffraction grating, a hold section that holds the diffraction grating and the reflection section while an open angle of the diffraction grating and the reflection section is kept constant, the hold section being rotatable with a fulcrum of an intersection of an extended line of a front surface of the diffraction grating and an extended line of a front surface of the reflection section, and a linear drive section that rotates the hold section with a linear motion of a piezoelectric device that expands and shrinks by the piezoelectric effect.
    • 公开了一种激光装置。 激光装置具有从半导体激光器接收激光的衍射光栅,向半导体激光器照射具有预定波长的一级衍射光,并反射零级光,反射零反射光的反射部 通过所述衍射光栅,所述保持部保持所述衍射光栅和所述反射部,同时所述衍射光栅和所述反射部的开放角度保持恒定,所述保持部能够与所述衍射光栅和所述反射部的延长线的交叉点的支点旋转, 衍射光栅的前表面和反射部分的前表面的延伸线,以及线性驱动部分,其通过由压电效应而膨胀和收缩的压电器件的线性运动来旋转保持部分。
    • 6. 发明授权
    • Image defect detection apparatus and image defect detection method
    • 图像缺陷检测装置和图像缺陷检测方法
    • US06683974B1
    • 2004-01-27
    • US09712942
    • 2000-11-16
    • Shunsuke NagasawaHiroyuki YamagataYasunori Idehara
    • Shunsuke NagasawaHiroyuki YamagataYasunori Idehara
    • G06K900
    • G06T7/0008G06T7/001
    • An image defect detection apparatus includes: an image acquisition section for acquiring an image as image data; a check section for checking for the presence or absence of a defect in the image, the defect being of one of a plurality of different types. The check section includes: a matrix setting subsection for setting, within the acquired image, an inspection reference region and an inspection region in accordance with each type of defect; a comparison value extraction subsection for extracting a comparison value based on image data in the inspection reference region and image data in the inspection region as set by the matrix setting subsection; and a comparison subsection for determining the presence or absence of the defect based on a comparison between the comparison value extracted by the comparison value extraction subsection and a predetermined threshold value.
    • 图像缺陷检测装置包括:图像获取部分,用于获取图像作为图像数据; 用于检查图像中是否存在缺陷的检查部分,所述缺陷是多种不同类型之一。 检查部分包括:矩阵设置部分,用于根据每种类型的缺陷在所获取的图像内设置检查参考区域和检查区域; 比较值提取部分,用于基于检查参考区域中的图像数据提取比较值​​,以及由矩阵设置子部分设置的检查区域中的图像数据; 以及比较部分,用于基于由比较值提取部分提取的比较值与预定阈值之间的比较来确定缺陷的存在或不存在。