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    • 32. 发明申请
    • Wide-angle imaging lens
    • 广角成像镜头
    • US20070279761A1
    • 2007-12-06
    • US11802864
    • 2007-05-25
    • Yoko Yamamoto
    • Yoko Yamamoto
    • G02B15/14
    • G02B13/04G02B9/34G02B13/005
    • A wide-angle imaging lens comprises, in order from an object: a first lens having a negative refractive power; a second lens having a positive refractive power with a convex face directed to the object; an aperture diaphragm; a third lens having a positive refractive power with a convex face directed to an image; and a fourth lens having a positive refractive power with a convex face directed to the object, wherein the following conditional expressions are satisfied. N2≧1.7   (1) N3≧1.7   (2) N4≧1.7   (3) when N2: a refractive index of the second lens at the d-line N3: a refractive index of the third lens at the d-line N4: a refractive index of the fourth lens at the d-line.
    • 广角摄像透镜从物体的顺序包括:具有负折光力的第一透镜; 具有正屈光力的第二透镜,其具有指向所述物体的凸面; 孔径光阑; 具有正屈光力的第三透镜,其具有指向图像的凸面; 以及具有正屈光力的第四透镜,其具有指向所述物体的凸面,其中满足以下条件表达式。 <?in-line-formula description =“In-line Formulas”end =“lead”?> N2> = 1.7(1)<?in-line-formula description =“In-line Formulas”end =“tail”? > <?in-line-formula description =“In-line Formulas”end =“lead”?> N3> = 1.7(2)<?in-line-formula description =“In-line Formulas”end =“tail” ?> <?in-line-formula description =“In-line Formulas”end =“lead”?> N4> = 1.7(3)<?in-line-formula description =“In-line Formulas”end =“tail “N2”:第二透镜在d线的折射率N3:第三透镜在d线的折射率N4:第四透镜在d线的折射率。
    • 33. 发明授权
    • Image scanning lens and image reader that uses same
    • 图像扫描镜头和使用相同的图像读取器
    • US07230776B2
    • 2007-06-12
    • US11345312
    • 2006-02-02
    • Yoko Yamamoto
    • Yoko Yamamoto
    • G02B9/58
    • G02B13/24G02B9/58G02B13/146G02B13/16
    • An image scanning lens includes, arranged in order from the object side, a first lens element having negative refractive power and a meniscus shape with its convex surface on the object side, a biconvex second lens element and a biconcave third lens element that are cemented together, a stop, a biconcave fourth lens element and a biconvex fifth lens element that are cemented together, and a sixth lens element having negative refractive power and a meniscus shape with its convex surface on the image side. The image scanning lens may include only these six lens elements. The image scanning lens satisfies certain conditions related to the focal lengths of the first lens element, the second and third lens elements together, the entire image scanning lens, radii of curvature of various surfaces, and anomalous dispersion of various lens elements. An image reader with an image pickup device, such as a CCD, uses the image scanning lens.
    • 图像扫描透镜包括从物体侧依次布置具有负屈光力的第一透镜元件和物镜侧的凸面的弯液面形状,双凸透镜第二透镜元件和双凹面第三透镜元件, 胶合在一起的止挡件,双凹槽第四透镜元件和双凸透镜元件,以及具有负折射力和弯月面形状的第六透镜元件,其凸面在图像侧。 图像扫描透镜可以仅包括这六个透镜元件。 图像扫描透镜满足与第一透镜元件,第二和第三透镜元件的焦距,整个图像扫描透镜,各种表面的曲率半径以及各种透镜元件的异常色散有关的某些条件。 具有诸如CCD的图像拾取装置的图像读取器使用图像扫描透镜。
    • 35. 发明申请
    • Coupling optical system for optical communications
    • 光通信耦合光学系统
    • US20060262427A1
    • 2006-11-23
    • US11429988
    • 2006-05-09
    • Masao MoriYu KitaharaMakoto OomuraYoko YamamotoToshiaki Katsuma
    • Masao MoriYu KitaharaMakoto OomuraYoko YamamotoToshiaki Katsuma
    • G02B13/02G01J1/04
    • G02B6/4206G02F1/167G02F2001/294
    • A coupling optical system for coupling light into an optical fiber of an optical communications system includes a liquid that includes a dispersion of microscopic particles and two transparent media that hold the liquid between them along an optical axis. The refractive power of the liquid is variable according to the electromagnetic field applied to the liquid to vary the migration of the microscopic particles of the dispersion within the liquid. The position of a light collecting point of the coupling optical system is adjustable based on the variation in the refractive power of the liquid so that light can be efficiently coupled into optical fibers at different distances along the optical axis from the coupling optical system. At the light collecting point, the end surface of an optical fiber collects light from a light source or another optical fiber. One or more collimator lenses may help converge the light.
    • 用于将光耦合到光通信系统的光纤中的耦合光学系统包括液体,其包括微观颗粒的分散体和沿着光轴将液体保持在它们之间的两个透明介质。 液体的屈光力根据施加到液体的电磁场而变化,以改变液体中分散体的微观颗粒的迁移。 耦合光学系统的聚光点的位置可以基于液体的屈光力的变化来调节,使得光可以有效地耦合到光耦合光学系统沿光轴不同的距离。 在光收集点,光纤的端面收集来自光源或另一光纤的光。 一个或多个准直透镜可以帮助会聚光。
    • 36. 发明授权
    • Image scanning lens and image scanning device that uses same
    • 图像扫描镜头和使用相同的图像扫描装置
    • US06894848B2
    • 2005-05-17
    • US10805197
    • 2004-03-22
    • Yoko Yamamoto
    • Yoko Yamamoto
    • G02B13/24G02B9/34G02B13/16
    • G02B13/16G02B9/34
    • An image scanning lens includes four lens components, each of which may be a lens element. From the object side of the image scanning lens, the first lens component has positive refractive power and a meniscus shape with the convex surface on the object side, the second lens component has a biconcave shape, the third lens component has a biconvex shape, and the fourth lens component has negative refractive power and a concave surface on the object side and may be a meniscus lens or a biconcave lens component. The image scanning lens satisfies certain conditions related to the focal lengths of the first, second, and fourth lens components of the image scanning lens and to the relative partial dispersions of the lens elements. An image scanning device, such as an image scanner, with an image pickup device, such as a CCD, uses the image scanning lens.
    • 图像扫描透镜包括四个透镜部件,每个透镜部件可以是透镜元件。 从图像扫描透镜的物体侧开始,第一透镜部件具有正折射力和物体侧的凸面的弯液面形状,第二透镜部件具有双凹形状,第三透镜​​部件具有双凸形状, 第四透镜部件在物体侧具有负屈光力和凹面,并且可以是弯月形透镜或双凹透镜部件。 图像扫描透镜满足与图像扫描透镜的第一,第二和第四透镜部件的焦距相关的某些条件以及透镜元件的相对部分色散。 诸如CCD的图像拾取装置的诸如图像扫描仪的图像扫描装置使用图像扫描透镜。
    • 37. 发明授权
    • Process for producing riboflavin by fermentation
    • 通过发酵生产核黄素的方法
    • US5334510A
    • 1994-08-02
    • US942191
    • 1992-09-09
    • Naoki UsuiYoko YamamotoTuyoshi Nakamatu
    • Naoki UsuiYoko YamamotoTuyoshi Nakamatu
    • C12P25/00C12R1/125C12N1/20
    • C12R1/125C12P25/00
    • The present invention provides a process for producing riboflavin by fermentation, a method for providing microorganisms having an improved riboflavin-producing capability, and strains of microorganisms having improved riboflavin-producing ability. The strains of the present invention belong to the genus Bacillus, have reduced activity of hydrolysing phosphoric acid from 5'-guanylic acid, and have the ability of producing riboflavin. Mutants used in the processes of this invention have an improved ability of producing riboflavin and are capable of producing or accumulating a large amount of riboflavin in the culture medium. The processes of this invention are therefore suitable for producing riboflavin in an effective manner at a low cost.
    • 本发明提供通过发酵生产核黄素的方法,提供具有改善的核黄素生产能力的微生物的方法,以及具有改善的核黄素生产能力的微生物菌株。 本发明的菌株属于芽孢杆菌属,具有降低从5'-鸟苷酸水解磷酸的活性,并具有产生核黄素的能力。 在本发明方法中使用的突变体具有改善生产核黄素的能力,并且能够在培养基中产生或积累大量的核黄素。 因此,本发明的方法适合以低成本有效地生产核黄素。
    • 39. 发明授权
    • Image forming process with magnetic brush development
    • 图像形成过程与磁刷发展
    • US4614700A
    • 1986-09-30
    • US794618
    • 1985-11-04
    • Yoko YamamotoKunio ShigetaJiro Takahashi
    • Yoko YamamotoKunio ShigetaJiro Takahashi
    • G03G9/113G03G13/09G03G13/22
    • G03G9/1134G03G13/09G03G13/22
    • In a process for forming an image comprising;(i) forming a latent image on a latent image bearing member comprising an organic photoconductive photosensitive member;(ii) forming a magnetic brush with a two-component developer comprising a toner and a carrier on a developer conveying support arranged as opposed to the latent image bearing member; and(iii) developing the latent image by brushing it with the magnetic brush in a developing region;the improvement wherein an absolute value of a maximum potential (V) of a charge for forming the latent image is from 400 to 700, a minimum value of a gap between the photosensitive member and the developer conveying support is from 0.30 to 0.65 mm, the carrier comprises a core material and a polymer comprising a monomer component represented by the followng formula (I), (II) or (III): ##STR1## wherein R.sup.1 and R.sup.2 each represent a hydrogen atom or a methyl group; each of n and p represents an integer of 1 to 8; each of m and q represents an integer of 1 to 19; X.sup.1, X.sup.2, X.sup.3 and X.sup.4 each represent a hydrogen atom, a chlorine atom, a fluorine atom, a lower perfluoroalkyl group or a lower perfluoroalkoxy group, which may be either identical or different, and at least 2 of X.sup.1, X.sup.2, X.sup.3 and X.sup.4 are fluorine atoms.According to this process, clear images with high image density and yet without image irregularity can be stably obtained.
    • 在形成图像的过程中,包括: (i)在包含有机感光感光部件的潜像承载部件上形成潜像; (ii)在与潜像承载部件相对布置的显影剂传送支撑件上形成包含调色剂和载体的双组分显影剂的磁刷; 和(iii)通过用显影区域中的磁刷刷洗潜像; 其中用于形成潜像的电荷的最大电位(V)的绝对值为400至700的改进,感光构件和显影剂输送支撑件之间的间隙的最小值为0.30至0.65mm, 载体包含核心材料和包含由以下式(I),(II)或(III)表示的单体组分的聚合物:式(I)式(II) 其中R1和R2各自表示氢原子或甲基; n和p各自表示1〜8的整数, m和q各自表示1〜19的整数, X 1,X 2,X 3和X 4各自表示可以相同或不同的氢原子,氯原子,氟原子,低级全氟烷基或低级全氟烷氧基,X1,X2,X3和 X4是氟原子。 根据该方法,可以稳定地获得具有高图像浓度且没有图像不均匀性的清晰图像。