会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 25. 发明授权
    • Objective lens and optical pickup device
    • 物镜和光学拾取装置
    • US07898928B2
    • 2011-03-01
    • US11963933
    • 2007-12-24
    • Shogo Horinouchi
    • Shogo Horinouchi
    • G11B7/12
    • G11B7/1374
    • To provide an objective lens and an optical pickup device which can thin the objective lens and a device on which the objective lens is mounted, and which can prevent that the pitch of the diffraction grating at the outer periphery of the objective lens becomes too small in the manufacturing procedure and so it becomes difficult to manufacture the Fresnel lens or which does not require a high-grade fine processing technique in order to minimize the pitch of the diffraction grating, in an objective lens which condenses a laser light emitted from a light source to irradiate on an optical disk, the outer periphery on the side surface of the objective lens in which the laser light is incident is formed by a refractive lens portion 7a and the inner periphery thereof is formed by a Fresnel lens portion 7b.
    • 为了提供能够使物镜薄型化的物镜和物镜的装置,能够防止物镜外周的衍射光栅的间距过小的物镜, 制造过程,因此在将从光源发出的激光冷凝的物镜变得难以制造菲涅尔透镜或者不需要高级精细加工技术以便使衍射光栅的间距最小化 为了照射在光盘上,激光入射的物镜的侧面的外周由折射透镜部7a形成,其内周由菲涅尔透镜部7b形成。
    • 27. 发明授权
    • Optical pickup of tilt control type
    • 倾斜控制型光拾取器
    • US06804186B2
    • 2004-10-12
    • US09860583
    • 2001-05-21
    • Kouki KojimaShogo Horinouchi
    • Kouki KojimaShogo Horinouchi
    • G11B700
    • G11B7/13925G11B7/0956G11B7/1369G11B2007/0006
    • An optical pick-up composed of an objective lens and a liquid crystal element, for recording and reproduction of optical discs having different recording densities, the liquid crystal element having nine zones, including: zones 2, 4 located in center parts of half circles of a small diameter beam for a low density optical disc, zones 3, 5 laid along the outer peripheries of zones 2, 4 within the half circles so as to surround zones 2, 4, zones 6, 7 along the outer peripheries of zones 3, 5, between the outer periphery of the small diameter beam and a large diameter beam, extending along substantially half circumferential parts of the small diameter beam, zones 8, 9 extending along substantially half circumferential parts of the large diameter beam, a remainder first zone and including a diameter whose the direction is the same as a tilt direction to be corrected.
    • 一种由物镜和液晶元件组成的用于记录和再现具有不同记录密度的光盘的光学拾取器,该液晶元件具有九个区域,包括:位于半圆的中心部分的区域2,4 用于低密度光盘的小直径光束,沿着半圆内的区域2,4的外周放置的区域3,5,以沿着区域3的外周围绕区域2,4,区域6,7, 如图5所示,在小直径光束的外周边和大直径光束之间沿着小直径光束的大致半个圆周部分延伸,沿着大直径光束的大致半个圆周部分延伸的区域8,9,剩余的第一区域和 包括其方向与要校正的倾斜方向相同的直径。