专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06369377B1 Multiple-beam holographic optical pick-up head 失效
标题翻译：多光束全息光学拾光头
公开(公告)号：US06369377B1
公开(公告)日：2002-04-09
申请号：US09615412
申请日：2000-07-13
申请人： Hsi-Fu Shih , Jau-Jiu Ju , Tzu-Ping Yang , Wei-Chih Lu , Mark O. Freeman , Der-Ray Huang , Carl Y. Yang
发明人： Hsi-Fu Shih , Jau-Jiu Ju , Tzu-Ping Yang , Wei-Chih Lu , Mark O. Freeman , Der-Ray Huang , Carl Y. Yang
IPC分类号： G11B700
CPC分类号： G11B7/1353 , G11B7/14
摘要： The present invention discloses a multiple-beam holographic optical pick-up head, which has the advantages of the multiple-beam optical pick-up head and the holographic optical pick-up head and can increase the light usage efficiency. This invention uses the property that a polarized diffractive optical element can generate different optical effects for laser beam with different polarizations and places a polarized multiple-beam grating and polarized hologram on the optical path for splitting the incident light toward the disc into multiple reading beams by the multiple-beam grating. The returning laser beams reflected from the disc are diffracted and diverted by the hologram to reach a photodetector. Both the incident and reflective beams are diffracted once only; thus the light usage efficiency can be increased.
摘要翻译：本发明公开了一种多光束全息光学拾波头，其具有多光束拾取头和全息光学拾取头的优点，可以提高光的使用效率。本发明使用偏振衍射光学元件可以对具有不同偏振度的激光束产生不同光学效应的特性，并且在光路上放置偏振多光束光栅和偏振全息图，以将入射光朝向盘分离为多个读取光束多光束光栅。从盘反射的返回激光束被全息图衍射并转移到光电检测器。入射光束和反射光束都被衍射一次; 从而可以提高光的使用效率。

2. 发明授权

US06211511B1 Dual-wavelength optical pickup head 有权
标题翻译：双波长光学拾音头
公开(公告)号：US06211511B1
公开(公告)日：2001-04-03
申请号：US09227678
申请日：1999-01-08
申请人： Hsi-Fu Shih , Tzu-Ping Yang , Mark O. Freeman , Jinn-Kang Wang
发明人： Hsi-Fu Shih , Tzu-Ping Yang , Mark O. Freeman , Jinn-Kang Wang
IPC分类号： H10J4014
CPC分类号： G11B7/1353 , G11B7/123 , G11B7/127 , G11B7/131 , G11B7/1356 , G11B7/1372 , G11B7/1381 , G11B7/139 , G11B2007/0006 , H01S5/02216 , H01S5/02292 , H01S5/02296 , H01S5/0683 , H01S5/4087
摘要： A dual-wavelength holographic laser module is provided. The dual-wavelength holographic laser module includes a holographic optical element (HOE), a multiple-element photodetector, and a laser light source that can produce a laser light with a wavelength that has, for example, two desired quantities. The laser light emitted from the laser light source with a desired wavelength can travel through the HOE and an objective lens unit, which is used to focus the laser light onto an optical disk of the DVD system, the CD system, or the CD-R system, depending on which wavelength quantity is chosen. The objective lens unit includes a single lens with a changeable NA quantity or a two-lens system that can be switched to put one lens at a time in the optical path. The optical disk reflects the laser light back to the HOE along the same light path. The reflected laser light is diffracted by the HOE to reach to the multiple-element photodetector. The photodetector receives the reflected laser light to obtain a signal, which is used for focusing and tracking, and further reads the information in the DVD system, the CD system, or the CD-R system. The laser light has a single light path even though the laser light can have two different wavelength quantities.
摘要翻译：提供双波长全息激光模块。双波长全息激光器模块包括全息光学元件（HOE），多元件光电探测器和能产生具有例如两个所需量的波长的激光的激光光源。从激光光源发射的具有所需波长的激光可以穿过HOE和物镜单元，该物镜单元用于将激光聚焦到DVD系统，CD系统或CD-R的光盘上系统，取决于选择的波长数量。物镜单元包括具有可变NA量的单透镜或双透镜系统，该双透镜系统可以在光路中一次将一个透镜切换。光盘将激光沿相同的光路反射回HOE。反射的激光被HOE衍射以到达多元件光电探测器。光电检测器接收反射的激光以获得用于聚焦和跟踪的信号，并进一步读取DVD系统，CD系统或CD-R系统中的信息。即使激光可以具有两个不同的波长数量，激光也具有单个光路。

3. 发明授权

US06188132B1 Two-wavelength semiconductor laser diode package for use on the read/write head of an optical drive capable of reading different types of optical discs 失效
标题翻译：双波长半导体激光二极管封装，用于能够读取不同类型光盘的光驱的读/写头
公开(公告)号：US06188132B1
公开(公告)日：2001-02-13
申请号：US09063738
申请日：1998-04-21
申请人： Hsi-Fu Shih , Tzu-Ping Yang , Jinn-Kang Wang , Mark O. Freeman
发明人： Hsi-Fu Shih , Tzu-Ping Yang , Jinn-Kang Wang , Mark O. Freeman
IPC分类号： H01L2334
CPC分类号： H01S5/02252 , H01L27/14618 , H01L27/14625 , H01L2224/48091 , H01L2224/49171 , H01S5/02212 , H01S5/02292 , H01S5/4012 , H01S5/4043 , H01S5/4087 , H01L2924/00014
摘要： A two-wavelength laser diode package is provided, which can be utilized in the read/write head of an optical drive capable of reading data from different types of optical discs, such as CD (compact disc), CD-R (CD Recordable) and DVD (digital versatile disc). The laser diode package includes a pair of laser diodes of two different specifications in wavelength, which are disposed on one or two submounts, either horizontally or vertically oriented with each other. Further, a beam coinciding means, such as a micro dichroic prism, a micro dichroic plate, a micro dichroic beam-splitter, or an external dichroic beam-splitter, is used to make the two respective laser beams from the two laser diodes to propagate on the same propagation axis when in use.
摘要翻译：提供了一种双波长激光二极管封装，其可用于能够从不同类型的光盘读取数据的光驱的读/写头，诸如CD（光盘），CD-R（CD可记录）和DVD（数字通用光盘）。激光二极管封装包括一对波长不同规格的激光二极管，它们设置在一个或两个子安装件上，水平或垂直定向。此外，使用诸如微分色棱镜，微二向色板，微分色光束分离器或外部二向色分光器的光束重合装置来使来自两个激光二极管的两个相应的激光束传播在使用时在相同的传播轴上。

4. 发明授权

US06807141B2 Planar integrated micro-optical pickup head including two planar cylindrical collimators 失效
标题翻译：平面集成微型光学拾音头，包括两个平面圆柱准直器
公开(公告)号：US06807141B2
公开(公告)日：2004-10-19
申请号：US10022446
申请日：2001-12-20
申请人： Chi-Lone Chang , Hsi-Fu Shih , Yuan-Chin Lee , Chau-Yuan Ke , Dai-Tin Huang , Jau-Jiu Ju
发明人： Chi-Lone Chang , Hsi-Fu Shih , Yuan-Chin Lee , Chau-Yuan Ke , Dai-Tin Huang , Jau-Jiu Ju
IPC分类号： G11B700
CPC分类号： G11B11/1058 , G11B7/122 , G11B7/123 , G11B7/1362 , G11B7/1376 , G11B7/1395 , G11B7/22 , G11B11/10532 , G11B11/10554
摘要： A planar integrated micro-optical pickup head is used to perform reading and writing operations on a high-density disk. The planar integrated micro-optical pickup head includes a set of optical elements that is comprised of a beam splitter, a plurality of 45-degrees-oriented folding mirrors, and two planar collimators. The pickup head further comprises a photo-detector, a laser source for emitting a laser beam of short wavelength, and an objective lens of high value of numerical aperture. The set of optical elements is formed on lower and upper substrates via semiconductor planar fabrication processes, the laser source and the objective lens then are mechanically attached on the lower substrate. The lower and upper substrates are ultimately aligned and attached with each other to achieve the pickup head hence having a reduced size and simply fabricated.
摘要翻译：平面集成式微光拾取头用于对高密度盘进行读写操作。平面集成微光学拾取头包括一组由分束器，多个45度取向的折叠镜和两个平面准直器组成的光学元件。拾取头还包括光检测器，用于发射短波长的激光束的激光源和数值孔径高的物镜。该组光学元件通过半导体平面制造工艺在下基板和上基板上形成，然后激光源和物镜机械地附着在下基片上。下基板和上基板最终对齐并彼此附接以实现拾取头，因此具有减小的尺寸并简单地制造。

5. 发明授权

US06377520B2 Robust and versatile focus/tracking method and system for optical pickup heads 失效
标题翻译：强大的多功能聚焦/跟踪方法和系统的光学拾音头
公开(公告)号：US06377520B2
公开(公告)日：2002-04-23
申请号：US09063946
申请日：1998-04-21
申请人： Mark O. Freeman , Jinn-Kang Wang , Hsi-Fu Shih
发明人： Mark O. Freeman , Jinn-Kang Wang , Hsi-Fu Shih
IPC分类号： G11B700
CPC分类号： G11B7/131 , G11B7/0901 , G11B7/0912 , G11B7/0943 , G11B7/127 , G11B7/1353 , G11B7/1356 , G11B7/1365 , G11B7/1384 , G11B2007/0006
摘要： A focus/tracking method and system is provided for use in an optical drive with a possibly multiple-wavelength laser source for control of the focus/tracking of the pickup head of the optical drive. The use of a multiple-wavelength laser source allows the optical drive to read data from various types of optical discs. The focus/tracking method and system combines the use of a differential, dual optical channel method for focusing control of the laser beam used to read data from the optical disc and the use of the single-beam tracking method for tracking control of the same. The focus error signal and the tracking error signal can be obtained from the same set of multi-element photodetectors. The structure of the system can therefore be simplified to include a reduced number of constituent components thus allowing a reduction in manufacturing cost.
摘要翻译：提供了一种用于具有可能的多波长激光源的光学驱动器中的焦点/跟踪方法和系统，用于控制光学驱动器的拾取头的聚焦/跟踪。使用多波长激光源允许光驱从各种类型的光盘读取数据。聚焦/跟踪方法和系统结合了使用差分双光道方法来聚焦用于从光盘读取数据的激光束的控制，以及使用单光束跟踪方法来跟踪其控制。聚焦误差信号和跟踪误差信号可以从同一组多元件光电探测器获得。因此，可以将系统的结构简化为包括减少数量的组成部件，从而允许降低制造成本。

6. 发明申请

US20120211630A1 THREE-DIMENSIONAL OBLIQUE MICROSTRUCTURE WITH PRESS DOWN AND ENGAGEMENT MECHANISMS 审中-公开
标题翻译：具有下压和接合机构的三维OBLIQUE微结构
公开(公告)号：US20120211630A1
公开(公告)日：2012-08-23
申请号：US13402640
申请日：2012-02-22
申请人： Yi Chiu , Hsi-Fu Shih , Chen-An Lin
发明人： Yi Chiu , Hsi-Fu Shih , Chen-An Lin
IPC分类号： F16M13/00
CPC分类号： G02B7/1824 , B81B7/0003 , B81B2201/047 , G02B26/0833
摘要： A three-dimensional oblique microstructure with press down and engagement mechanisms. A pair of corresponding first lugs is disposed on the both sides of the oblique body, and the bottom part of the oblique body has a first push pad. A pair of corresponding second lugs respectively disposed on the inner sides of the two supports of the α-shaped supporting rack, a second push pad is disposed on the bottom part of the U-shaped supporting rack. Thus, by pressing down the first and the second push pad, the oblique body rotates through the first twist bar and the U-shaped supporting rack rotates through the second twist bar so as to engage the first lugs with the second lugs, such that the three-dimensional microstructures with different angles can be packed to satisfy the needs of varied optical platform applications, and simplify semiconductor fabrication for higher production efficiency and product yield.
摘要翻译：具有压下和接合机构的三维倾斜微结构。一对相应的第一凸耳设置在倾斜体的两侧，并且倾斜体的底部具有第一推动垫。分别设置在α形支撑架的两个支撑件的内侧上的一对对应的第二凸耳，第二推垫设置在U形支撑架的底部上。因此，通过按压第一和第二推动垫，倾斜体旋转穿过第一扭转杆，并且U形支撑架通过第二扭杆旋转，从而将第一凸起与第二凸耳接合，使得可以填充具有不同角度的三维微结构以满足各种光学平台应用的需要，并且简化半导体制造以提高生产效率和产品产量。

7. 发明申请

US20120213051A1 OPTICAL PICKUP HEAD 有权
标题翻译：光学拾取头
公开(公告)号：US20120213051A1
公开(公告)日：2012-08-23
申请号：US13360182
申请日：2012-01-27
申请人： Yi CHIU , Hsi-Fu Shih , Chen-An Lin
发明人： Yi CHIU , Hsi-Fu Shih , Chen-An Lin
IPC分类号： G11B7/12 , G11B7/1374 , G11B7/1353
CPC分类号： G11B7/1362 , G11B7/123 , G11B7/1353
摘要： An optical pickup head is provided, which includes a silicon substrate, in which an aperture and an objective lens are disposed on the silicon substrate; and a laser diode (LD), a 135-degree tilted reflector, and a 135-degree tilted holographic reflector are disposed on the silicon substrate. The two 135-degree tilted reflectors and a holographic optical element (HOE) are fabricated on a slant face structure of an optical platform using a semiconductor process, so all the elements are disposed at a straight zone, and then in combination with bonding of the LD and an optical sensor element, an miniaturization objective is achieved and an optical path is shortened.
摘要翻译：提供一种光拾取头，其包括硅衬底，其中孔和物镜设置在硅衬底上; 并且在硅衬底上设置激光二极管（LD），135度倾斜反射器和135度倾斜全息反射器。使用半导体工艺在两个135度倾斜反射器和全息光学元件（HOE）上制造在光学平台的倾斜面结构上，因此所有元件都设置在直线区域，然后与 LD和光学传感器元件，实现了小型化的目的，缩短了光路。

8. 发明授权

US06577376B1 Optical device with variable numerical apertures 有权
标题翻译：具有可变数值孔径的光学装置
公开(公告)号：US06577376B1
公开(公告)日：2003-06-10
申请号：US09615411
申请日：2000-07-13
申请人： Hsi-Fu Shih
发明人： Hsi-Fu Shih
IPC分类号： G02F113
CPC分类号： G11B7/1353 , G02F1/134309 , G02F1/292 , G11B7/1369 , G11B7/139 , G11B2007/0006 , G11B2007/0013
摘要： The present invention relates to an optical device with a variable numerical aperture (NA), which utilizes special optical properties of a liquid crystal medium. Through the design of external electrodes and a circuit control unit, the refraction index of the liquid crystal medium can be modulated by the external voltage so that the beam passing through the LCD produces diffraction. An optical device with a variable focal point is thus formed by combining this LC diffractive device and an objective lens. So the present invention provides an optical device with focal points of different numerical apertures by varying the external voltage, whereby the device can read optical disks of all specifications.
摘要翻译：本发明涉及具有可变数值孔径（NA）的光学装置，其利用液晶介质的特殊光学特性。通过外部电极和电路控制单元的设计，可以通过外部电压来调制液晶介质的折射率，使得通过LCD的光束产生衍射。因此，通过组合该LC衍射装置和物镜形成具有可变焦点的光学装置。因此，本发明通过改变外部电压来提供具有不同数值孔径的焦点的光学装置，由此该装置可以读取所有规格的光盘。

9. 发明申请

US20080031117A1 HOLOGRAPHIC OPTICAL ACCESSING SYSTEM 失效
标题翻译：全息光学访问系统
公开(公告)号：US20080031117A1
公开(公告)日：2008-02-07
申请号：US11736616
申请日：2007-04-18
申请人： Hsiao-Yi Li , Hsi-Fu Shih
发明人： Hsiao-Yi Li , Hsi-Fu Shih
IPC分类号： G11B7/00 , G03H1/02
CPC分类号： G03H1/02 , G03H1/0256 , G03H2250/42 , G11B7/0065 , G11B7/1356
摘要： A holographic optical accessing system includes a light source for emitting a light beam; an optical assembly module for receiving the light beam and generating a signal beam and a reference beam that are parallel to each other rather than overlap with each other, and have the same first polarization state; a lens module for focusing the signal beam and the reference beam on a focal point at the same time; and a storage medium for recording the focal point. The optical assembly module includes at least a data plane for displaying image information so that the signal beam contains the image information.
摘要翻译：全息光学访问系统包括用于发射光束的光源; 光学组件模块，用于接收光束并产生彼此平行而不是彼此重叠的信号光束和参考光束，并且具有相同的第一偏振状态; 用于将信号光束和参考光束同时聚焦在焦点上的透镜模块; 以及用于记录焦点的存储介质。光学组件模块至少包括用于显示图像信息的数据平面，使得信号束包含图像信息。

10. 发明授权

US08477573B2 Optical pickup head 有权
标题翻译：光学拾音头
公开(公告)号：US08477573B2
公开(公告)日：2013-07-02
申请号：US13360182
申请日：2012-01-27
申请人： Yi Chiu , Hsi-Fu Shih , Chen-An Lin
发明人： Yi Chiu , Hsi-Fu Shih , Chen-An Lin
IPC分类号： G11B7/00
CPC分类号： G11B7/1362 , G11B7/123 , G11B7/1353
摘要： An optical pickup head is provided, which includes a silicon substrate, in which an aperture and an objective lens are disposed on the silicon substrate; and a laser diode (LD), a 135-degree tilted reflector, and a 135-degree tilted holographic reflector are disposed on the silicon substrate. The two 135-degree tilted reflectors and a holographic optical element (HOE) are fabricated on a slant face structure of an optical platform using a semiconductor process, so all the elements are disposed at a straight zone, and then in combination with bonding of the LD and an optical sensor element, an miniaturization objective is achieved and an optical path is shortened.
摘要翻译：提供一种光拾取头，其包括硅衬底，其中孔和物镜设置在硅衬底上; 并且在硅衬底上设置激光二极管（LD），135度倾斜反射器和135度倾斜全息反射器。使用半导体工艺在两个135度倾斜反射器和全息光学元件（HOE）上制造在光学平台的倾斜面结构上，因此所有元件都设置在直线区域，然后与 LD和光学传感器元件，实现了小型化的目的，缩短了光路。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式