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. 发明申请

US20080175110A1 OPTICAL HEAD, OPTICAL DISC DRIVE, COMPUTER, OPTICAL DISCPLAYER AND OPTICAL DISC RECORDER 有权
标题翻译：光学头，光盘驱动器，计算机，光学分离器和光盘记录器
公开(公告)号：US20080175110A1
公开(公告)日：2008-07-24
申请号：US12015688
申请日：2008-01-17
申请人： Fumitomo YAMASAKI , Yoshiaki KOMMA , Kanji WAKABAYASHI , Toshiyasu TANAKA
发明人： Fumitomo YAMASAKI , Yoshiaki KOMMA , Kanji WAKABAYASHI , Toshiyasu TANAKA
IPC分类号： G11B7/12 , G11B7/00 , G11B7/135 , G11B7/24
CPC分类号： G11B7/1353 , G11B7/131 , G11B7/1381 , G11B2007/0006 , G11B2007/0013
摘要： When performing a read or write operation on an optical disc with information storage layers, this compatible optical head with a two-focus lens can reduce interference caused by an unnecessary diffracted light reflected from a non-target layer and not contributing to reading or writing. The head reads and/or writes information from/on storage media, including first and second media with different protective substrate thicknesses, by irradiating a given one with a laser beam and includes: a diffraction element that diffracts the beam to produce diffracted light of multiple orders; an objective lens for converging nth and mth order ones of the light on the respective storage layers of the first and second media; a photodetector that receives the beam reflected from the medium and condensed; and a light shielding portion for preventing a portion of the beam reflected from the storage layer of the second medium and including its optical axis from reaching the photodetector. The light shielding portion is arranged so as to reduce loss to be caused by cutting off the portion of the beam to a predetermined value or less.
摘要翻译：当在具有信息存储层的光盘上执行读取或写入操作时，具有双焦点透镜的兼容光学头可以减少由非目标层反射的不需要的衍射光引起的干扰，并且不会对读取或写入有贡献。头通过用激光束照射给定的一个来读取和/或从存储介质（包括具有不同保护衬底厚度的第一介质和第二介质）读取和/或写入信息，并且包括：衍射元件，衍射光束以产生多个衍射光命令; 用于将第一和第二介质的各个存储层上的第n个和第n个第一个光的会聚的物镜; 光接收器，其接收从介质反射并聚焦的光束; 以及用于防止从第二介质的存储层反射并包括其光轴的光束的一部分到达光电检测器的遮光部分。遮光部被配置为减少将光束的一部分切断而造成的损失为规定值以下。

2. 发明申请

US20110267934A1 OPTICAL PICKUP, OPTICAL INFORMATION DEVICE, COMPUTER, OPTICAL DISK PLAYER, CAR NAVIGATION SYSTEM, OPTICAL DISK RECORDER, AND OPTICAL DISK SERVER 有权
标题翻译：光学拾取，光学信息设备，计算机，光盘播放器，车载导航系统，光盘记录器和光盘服务器
公开(公告)号：US20110267934A1
公开(公告)日：2011-11-03
申请号：US13181574
申请日：2011-07-13
申请人： Toshiyasu TANAKA , Yoshiaki KOMMA , Kanji WAKABAYASHI , Fumitomo YAMASAKI , Osamu KAJINO
发明人： Toshiyasu TANAKA , Yoshiaki KOMMA , Kanji WAKABAYASHI , Fumitomo YAMASAKI , Osamu KAJINO
IPC分类号： G11B7/135 , G11B17/028
CPC分类号： G11B7/0933 , G11B7/22
摘要： To provide an optical pickup and an optical information device, capable of obtaining excellent signal characteristics for an optical disk on and/or from which recording and/or reproducing are performed using a laser. The optical pickup includes an optical detector, a support holder for holding the optical detector, and an optical base for fixing the support holder. The support holder has at least two notches at its both ends, the optical base has convex portions corresponding to the notches of the support holder, the optical base and the support holder are fixed by photo-curable adhesives for bonding the convex portions and the support holder to each other, and the shortest distance between the side faces of the convex portions, which do not face each other, is equal to or less than the width of the support holder in the direction of right and left ends.
摘要翻译：为了提供一种光学拾取器和光学信息装置，能够使用激光器在其上和/或从其执行记录和/或再现的光盘获得优异的信号特性。光学拾取器包括光学检测器，用于保持光学检测器的支撑保持器和用于固定支撑保持器的光学基座。支撑架在其两端具有至少两个凹口，光学基座具有对应于支撑架的凹口的凸起部分，光学基座和支撑架由光固化粘合剂固定，用于将凸部和支撑件彼此不相对的凸部的侧面之间的最短距离等于或小于支撑架在左右两端的方向上的宽度。

3. 发明申请

US20080186836A1 OPTICAL PICKUP AND OPTICAL DISC DRIVE 失效
标题翻译：光学拾取和光盘驱动器
公开(公告)号：US20080186836A1
公开(公告)日：2008-08-07
申请号：US11966079
申请日：2007-12-28
申请人： Toshiyasu TANAKA , Fumitomo YAMASAKI , Kanji WAKABAYASHI , Yoshiaki KOMMA
发明人： Toshiyasu TANAKA , Fumitomo YAMASAKI , Kanji WAKABAYASHI , Yoshiaki KOMMA
IPC分类号： G11B7/00
CPC分类号： G11B7/1356 , G11B7/126 , G11B7/1374 , G11B7/1376 , G11B7/13922 , G11B7/13925 , G11B7/1395 , G11B2007/0006
摘要： The present invention provides an optical structure of an optical pickup for adjusting the exit light quantity of a light source so as not to have adverse effect on reliability of semiconductor laser to be suited to the quantity of light, in consideration of difference in reflectivity of optical discs used in recording or reproducing. With this configuration, when composing a compatible optical pickup for recording or reproducing BD and HD DVD by using light diffraction means of diffraction type, the reliability of semiconductor laser used as light source may be enhanced with its diffraction efficiency.
摘要翻译：本发明提供了一种用于调整光源的出射光量的光学拾取器的光学结构，以便不考虑光学的反射率的差异而对半导体激光器的可靠性不利于适合于光量的光学结构用于记录或再现的光盘。利用这种配置，当通过使用衍射型的光衍射装置来组合用于记录或再现BD和HD DVD的兼容光学拾取器时，可以以衍射效率提高用作光源的半导体激光器的可靠性。

4. 发明申请

US20130021884A1 OPTICAL DISK DRIVING APPARATUS, OPTICAL DISK DRIVING SYSTEM, VEHICLE EQUIPPED WITH OPTICAL DISK DRIVING SYSTEM, METHOD OF CORRECTING SPHERICAL ABERRATION IN OPTICAL DISK DRIVING APPARATUS, PROGRAM AND RECORDING MEDIUM 有权
标题翻译：光盘驱动装置，光盘驱动系统，配有光盘驱动系统的车辆，光盘驱动装置，程序和记录介质校正球形方法
公开(公告)号：US20130021884A1
公开(公告)日：2013-01-24
申请号：US13359834
申请日：2012-01-27
申请人： Yoshiaki KOMMA , Fumitomo Yamasaki , Toshiyasu Tanaka , Kanji Wakabayashi
发明人： Yoshiaki KOMMA , Fumitomo Yamasaki , Toshiyasu Tanaka , Kanji Wakabayashi
IPC分类号： G11B7/00
CPC分类号： G11B7/1378 , G11B7/13925
摘要： An optical disk driving apparatus includes an optical head device having a laser light source, a converging optical system converging a light beam emitted by the laser light source onto an optical disk, a photo detector receiving reflected light reflected by the optical disk, and an aberration correcting optical system controlling aberration of the converging optical system; a motor rotating the optical disk; and a control section receiving a signal from the photo detector, wherein the converging optical system has an objective lens formed using resin as a main material, the aberration correcting optical system has a spherical aberration correcting element correcting spherical aberration, and the control section evaluates quality of a reproduction signal for information in the optical disk by using the reflected light received by the photo detector, and utilizes a result of the evaluation to perform closed loop control on the spherical aberration correcting element.
摘要翻译：光盘驱动装置包括具有激光光源的光学头装置，将由激光光源发射的光束会聚在光盘上的会聚光学系统，接受由光盘反射的反射光的光电检测器和像差调整会聚光学系统的像差的光学系统; 旋转光盘的电机; 以及控制部分，其接收来自光检测器的信号，其中会聚光学系统具有使用树脂作为主要材料形成的物镜，像差校正光学系统具有矫正球面像差的球面像差校正元件，并且控制部分评估质量通过使用由光电检测器接收的反射光来获得光盘中的信息的再现信号，并利用评估结果对球面像差校正元件执行闭环控制。

5. 发明申请

US20120314558A1 COMPOSITE OBJECTIVE LENS, DIFFRACTION ELEMENT, OPTICAL HEAD DEVICE, OPTICAL INFORMATION DEVICE, OBJECTIVE LENS DRIVING METHOD AND CONTROL DEVICE 有权
标题翻译：复合目标镜头，衍射元件，光学头装置，光学信息装置，目标镜头驱动方法和控制装置
公开(公告)号：US20120314558A1
公开(公告)日：2012-12-13
申请号：US13558465
申请日：2012-07-26
申请人： Yoshiaki KOMMA , Toshiyasu TANAKA , Fumitomo YAMASAKI
发明人： Yoshiaki KOMMA , Toshiyasu TANAKA , Fumitomo YAMASAKI
IPC分类号： G02B5/18 , G11B19/20 , G11B7/1374
CPC分类号： G11B7/1374 , G11B7/1353 , G11B7/13922 , G11B2007/0006
摘要： In an optical head device which performs recording/reading of data in/from a high-density optical disc using an objective lens with a large NA, a saw-tooth shape diffraction element is used for also performing recording/reading of data in/from a conventional optical disc, such as DVD, CD, or the like. A step difference that produces an optical path length for blue light which is equal to or longer than the wavelength of the blue light and optical path lengths for red and infrared light which are shorter than the wavelengths of the red and infrared light is utilized so as to exert an inverse action on the blue light to those exerted on the red and infrared light. The effect of increasing the working distances for CD and DVD enables multiple compatibility. The optical element is integrally combined with the objective lens to perform a tracking servo following operation.
摘要翻译：在使用具有大NA的物镜的高密度光盘中进行数据的记录/读取的光学头装置中，使用锯齿形衍射元件也进行数据的记录/读取常规的光盘，例如DVD，CD等。使用等于或长于蓝光的波长的蓝色光的路径长度和比红色和红外光的波长短的红色和红色光的光路长度的阶差，被利用为对蓝色光施加与红色和红色光上的那些相反的作用。增加CD和DVD的工作距离的效果可以实现多种兼容性。光学元件与物镜整体地组合以执行跟踪伺服跟随操作。

6. 发明申请

US20110122745A1 OBJECTIVE LENS UNIT, OPTICAL PICKUP, AND OPTICAL INFORMATION APPARATUS 有权
标题翻译：目标镜头单元，光学拾取和光学信息设备
公开(公告)号：US20110122745A1
公开(公告)日：2011-05-26
申请号：US13014045
申请日：2011-01-26
申请人： Yoshiaki KOMMA , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
发明人： Yoshiaki KOMMA , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
IPC分类号： G11B7/09
CPC分类号： G11B7/1374 , G11B2007/0006
摘要： An objective lens unit according to the present invention includes a first objective lens 41; and a first lens holder 2 for supporting the first objective lens 41. The first lens holder 2 is formed of a material which transmits ultraviolet. Preferably, the first lens holder 2 includes a through-hole, having first and second openings 2a and 2b, through which light incident on the first objective lens 41 passes, and an opening limiting section 3 provided along a circumferential direction of the through-hole and projecting toward a central axis of the through-hole. The first objective lens 41 is supported so as to block the first opening 2b. The opening limiting section 3 guides light incident thereon from the second opening 2a in a direction away from an optical axis of the first objective lens.
摘要翻译：根据本发明的物镜单元包括第一物镜41; 以及用于支撑第一物镜41的第一透镜保持器2.第一透镜保持器2由透射紫外线的材料形成。优选地，第一透镜保持件2包括通孔，具有入射在第一物镜41上的光通过的第一和第二开口2a和2b以及沿着通孔的周向设置的开口限制部3 并朝向通孔的中心轴突出。第一物镜41被支撑以阻挡第一开口2b。开口限制部3在远离第一物镜的光轴的方向上引导从第二开口2a入射的光。

7. 发明申请

US20110122744A1 OBJECTIVE LENS UNIT, OPTICAL PICKUP, AND OPTICAL INFORMATION APPARATUS 有权
公开(公告)号：US20110122744A1
公开(公告)日：2011-05-26
申请号：US13014031
申请日：2011-01-26
申请人： Yoshiaki KOMMA , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
发明人： Yoshiaki KOMMA , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
IPC分类号： G11B7/09 , G01C21/00
CPC分类号： G11B7/1374 , G11B2007/0006
摘要： An objective lens unit according to the present invention includes a first objective lens 41; and a first lens holder 2 for supporting the first objective lens 41. The first lens holder 2 is formed of a material which transmits ultraviolet. Preferably, the first lens holder 2 includes a through-hole, having first and second openings 2a and 2b, through which light incident on the first objective lens 41 passes, and an opening limiting section 3 provided along a circumferential direction of the through-hole and projecting toward a central axis of the through-hole. The first objective lens 41 is supported so as to block the first opening 2b. The opening limiting section 3 guides light incident thereon from the second opening 2a in a direction away from an optical axis of the first objective lens.

8. 发明申请

US20100142357A1 OBJECTIVE LENS SYSTEM AND OPTICAL PICKUP DEVICE 审中-公开
标题翻译：目标镜头系统和光学拾取器件
公开(公告)号：US20100142357A1
公开(公告)日：2010-06-10
申请号：US12603695
申请日：2009-10-22
申请人： Michihiro YAMAGATA , Fumitomo YAMASAKI , Yoshiaki KOMMA , Katsuhiko HAYASHI
发明人： Michihiro YAMAGATA , Fumitomo YAMASAKI , Yoshiaki KOMMA , Katsuhiko HAYASHI
IPC分类号： G11B7/135
CPC分类号： G11B7/13925 , G11B7/1362 , G11B7/1374 , G11B7/1376 , G11B2007/0006
摘要： Provided are an optical pickup device which is compatible with a plurality of disc standards, and can stably monitor the outputs from light sources, and an objective lens system used in the optical pickup device. An optical pickup device 50 includes a light source 1 emitting light of a first wavelength of a red band and light of a second wavelength of an infrared band; a light source 10 emitting light of a blue-violet band for BD 10; a collimating lens 4; mirrors 5, 7 each transmitting a portion of a light beam outputted from the collimating lens 4 while folding an optical path of the other portion of the light beam; objective lenses 6, 8 each converging the light beam folded by the mirrors 5, 7 on a recording layer of an optical disc; and a light-receiving element 15 detecting an intensity of the light beam transmitted through the mirrors 5, 7. The collimating lens 4 adjusts the parallelisms of the lights emitted from the light sources 1, 10, and outputs the light of the first wavelength as a converging light beam, and the light of the second wavelength as a diverging light beam.
摘要翻译：提供了一种与多个盘标准兼容的光学拾取装置，并且可以稳定地监视来自光源的输出以及在光学拾取装置中使用的物镜系统。光拾取装置50包括发射红色波段的第一波长的光和红外波段的第二波长的光的光源1; BD 10发出蓝紫色带的光的光源10; 准直透镜4; 每个镜5,7透射从准直透镜4输出的光束的一部分，同时折叠光束的另一部分的光路; 每个将由镜子5,7折叠的光束会聚在光盘的记录层上的物镜6,8; 以及受光元件15，其检测透过反射镜5,7的光束的强度。准直透镜4调节从光源1,10发出的光的平行度，并将第一波长的光作为会聚光束和第二波长的光作为发散光束。

9. 发明申请

US20100208563A1 INFORMATION RECORDING MEDIUM, REPRODUCING APPARATUS AND REPRODUCING METHOD 有权
标题翻译：信息记录介质，再现设备和再现方法
公开(公告)号：US20100208563A1
公开(公告)日：2010-08-19
申请号：US12634042
申请日：2009-12-09
申请人： Masahito NAKAO , Yasumori HINO , Yoshiaki KOMMA , Fumitomo YAMASAKI , Kousei SANO
发明人： Masahito NAKAO , Yasumori HINO , Yoshiaki KOMMA , Fumitomo YAMASAKI , Kousei SANO
IPC分类号： G11B7/20 , G11B7/26
CPC分类号： G11B7/1267 , G11B7/005 , G11B7/24038 , G11B7/26
摘要： An information recording medium according to the present invention includes at least three information recording layers. If the readout power of a laser beam in reading information from an information recording layer L(n) is identified by Pw(n), and if the readout power of the laser beam in reading information from an information recording layer L(n+a) is identified by Pw(n+a), then a base thickness between the information recording layers is determined so that the intensity of the light when the information recording layer L(n+a) is irradiated with a laser beam having the readout power Pw(n) becomes equal to or lower than that of the light when the information recording layer L(n+a) is irradiated with a laser beam having the readout power Pw(n+a).
摘要翻译：根据本发明的信息记录介质包括至少三个信息记录层。如果从信息记录层L（n）读取信息中的激光束的读出功率被Pw（n）识别，并且如果从信息记录层L（n + a）读取信息中的激光束的读出功率）由Pw（n + a）识别，则信息记录层之间的基底厚度被确定为当信息记录层L（n + a）被激光束照射时具有读出功率的光的强度当信息记录层L（n + a）被具有读出功率Pw（n + a）的激光束照射时，Pw（n）变得等于或低于光的光。

10. 发明申请

US20100034073A1 OPTICAL HEAD DEVICE AND RECORDING/REPRODUCTION DEVICE 有权
标题翻译：光头设备和记录/再现设备
公开(公告)号：US20100034073A1
公开(公告)日：2010-02-11
申请号：US12536926
申请日：2009-08-06
申请人： Eishin MORI , Fumitomo YAMASAKI , Yoshiaki KOMMA
发明人： Eishin MORI , Fumitomo YAMASAKI , Yoshiaki KOMMA
IPC分类号： G11B7/135
CPC分类号： G11B7/1275 , G11B7/1374 , G11B2007/0006
摘要： An optical head device includes a first light source and a second light source which respectively emits a first light beam and a second light beam, a luminous flux separating section which selectively separates the first and second light beams for which the same optical path is used, to first and second optical paths, respectively, a first objective lens for converging the first light beam that has been separated to the first optical path on the first optical information recording medium, a second objective lens made of resin for converging the second light beam separated to the second optical path on the second optical information recording medium, and a first filtering section formed on a beam exit face of the second objective lens, for reducing the transmittance of the first light beam to be lower than transmittance of the second light beam.
摘要翻译：光头装置包括分别发射第一光束和第二光束的第一光源和第二光源，选择性地分离使用相同光路的第一和第二光束的光束分离部分，分别到第一和第二光路的第一物镜，用于会聚已经分离的第一光束到第一光信息记录介质上的第一光路;第二物镜，由树脂制成，用于会聚第二光束分离到第二光学信息记录介质上的第二光路，以及形成在第二物镜的光束出射面上的第一滤光部，用于将第一光束的透射率降低到低于第二光束的透射率。

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