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61. 发明授权

US08130603B2 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，配备有光盘驱动系统的车辆，光盘驱动装置中的球面像差校正方法，程序和记录介质
公开(公告)号：US08130603B2
公开(公告)日：2012-03-06
申请号：US12356212
申请日：2009-01-20
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。

62. 发明授权

US08107346B2 Optical head device and optical information processing device 有权
标题翻译：光头设备和光信息处理设备
公开(公告)号：US08107346B2
公开(公告)日：2012-01-31
申请号：US11912469
申请日：2006-04-24
申请人： Kousei Sano , Yoshiaki Komma , Shin-ichi Kadowaki
发明人： Kousei Sano , Yoshiaki Komma , Shin-ichi Kadowaki
IPC分类号： G11B7/00
CPC分类号： G11B7/1381 , G11B7/0903 , G11B7/1353 , G11B2007/0013
摘要： An optical head device according to the present invention includes a splitting section for splitting a light beam having been reflected from an optical storage medium. The splitting section includes: a first main region transmitting a first interfering portion; a second main region transmitting a second interfering portion; and first and second sub-regions through which the first interfering portion is transmitted with a lower rate than in the first main region and through which the second interfering portion is transmitted with a lower rate than in the second main region. The splitting section splits the reflected light beam into: a first main light beam transmitted through the first main region; a second main light beam transmitted through the second main region; a first sub-light beam transmitted through the first sub-region; and a second sub-light beam transmitted through the second sub-region. The splitting section further includes a swapping section for swapping a portion of the first sub-light beam with a portion of the second sub-light beam.
摘要翻译：根据本发明的光学头装置包括用于分离已经从光学存储介质反射的光束的分离部分。分割部分包括：传送第一干扰部分的第一主区域; 传送第二干扰部分的第二主区域; 第一和第二子区域以比在第一主区域中低的速率传输第一干扰部分，并且第二干扰部分以比在第二主要区域中更低的速率透过。所述分割部将所述反射光束分割为：透过所述第一主区域的第一主光束; 透过第二主区域的第二主光束; 透射通过第一子区域的第一子光束; 和通过第二子区域传输的第二副光束。分割部还包括用于将第一子光束的一部分与第二子光束的一部分交换的交换部分。

63. 发明授权

US07864650B2 Optical element, optical head, optical information recording and reproduction apparatus, computer, image recording device, image reproduction device, server and car navigation system 有权
标题翻译：光学元件，光学头，光学信息记录和再现装置，计算机，图像记录装置，图像再现装置，服务器和汽车导航系统
公开(公告)号：US07864650B2
公开(公告)日：2011-01-04
申请号：US12705153
申请日：2010-02-12
申请人： Kousei Sano , Yoshiaki Komma , Hidenori Wada , Akihiro Yasuda
发明人： Kousei Sano , Yoshiaki Komma , Hidenori Wada , Akihiro Yasuda
IPC分类号： G11B7/00
CPC分类号： G11B7/1275 , G02B5/32 , G11B7/1353 , G11B2007/0006
摘要： The present invention provides a first light source (21) that emits light of a first wavelength, that at least either records onto or reproduces information from an information recording medium (30), a light source (22) that emits light of a second wavelength that records onto or reproduces information from an information recording medium (33), a light source (23) that emits light of a third wavelength that records onto or reproduces information from an information recording medium (23), focusing means, an optical element (28) that passes light of the first wavelength and diffracts light of the second and third wavelengths, wherein the optical element (28) is an optical element in which grooves are formed in a substrate, wherein the expression: 380 nm≦(n−1)×d≦420 nm is satisfied, where n is a refractive index of the substrate at a wavelength of 400 nm, and d (nm) is a depth per step of the grooves, and wherein the grooves are formed in two steps of depth d and depth 2d.
摘要翻译：本发明提供了一种发射第一波长的光的第一光源（21），其至少从信息记录介质（30）记录信息或从信息记录介质再现信息，发射第二波长的光的光源（22）从信息记录介质（33）记录信息或从信息记录介质（23）记录第三波长的光的光源（23），从信息记录介质（23），聚焦装置，光学元件（ 28），其传播第一波长的光并衍射第二和第三波长的光，其中光学元件（28）是其中在衬底中形成沟槽的光学元件，其中表达：380nm和nlE;（n-1））×d＆nlE; 420nm，其中n是衬底在400nm波长处的折射率，d（nm）是每个步长的槽的深度，并且其中沟槽形成为深度的两个步骤 d和深度2d。

64. 发明申请

US20100074067A1 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：US20100074067A1
公开(公告)日：2010-03-25
申请号：US12356212
申请日：2009-01-20
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 , G11B20/10
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。

65. 发明授权

US07640559B2 Objective lens actuator 有权
标题翻译：物镜执行器
公开(公告)号：US07640559B2
公开(公告)日：2009-12-29
申请号：US11643770
申请日：2006-12-22
申请人： Kanji Wakabayashi , Yoshiaki Komma , Kousei Sano , Hidenori Wada , Keiichi Matsuzaki , Toshiyasu Tanaka
发明人： Kanji Wakabayashi , Yoshiaki Komma , Kousei Sano , Hidenori Wada , Keiichi Matsuzaki , Toshiyasu Tanaka
IPC分类号： G11B7/00
CPC分类号： G11B7/121 , G11B2007/0006
摘要： An objective lens actuator is provided which includes two objective lenses mounted on a movable body, and which is capable of preventing the movable body from coming into contact or collision with a disk and whose thickness becomes thinner. When a light beam is concentrated and focused on a high-density optical disk, D1 represents the distance between the disk surface and the part of the movable body in the closest position to the disk; when a light beam is concentrated and focused on a CD, D2 represents the distance between the disk surface and the part of the movable body in the closest position to the disk; when a light beam is concentrated and focused on a DVD, D3 represents the distance between the disk surface and the part of the movable body in the closest position to the disk; and the following relational expression (1) is satisfied, D1
摘要翻译：提供一种物镜致动器，其包括安装在可移动体上的两个物镜，并且能够防止可移动体与盘接触或碰撞并且其厚度变薄。当光束集中并聚焦在高密度光盘上时，D1表示盘表面与可移动体的最靠近盘的位置之间的距离; 当光束集中并聚焦在CD上时，D2表示盘表面和可移动体的与光盘最靠近位置的部分之间的距离; 当光束集中并聚焦在DVD上时，D3表示在与盘最靠近的位置的盘表面和可移动体的部分之间的距离; 并满足以下关系式（1）D1

66. 发明申请

US20090310465A1 OPTICAL HEAD AND OPTICAL INFORMATION DEVICE 有权
标题翻译：光头和光信息设备
公开(公告)号：US20090310465A1
公开(公告)日：2009-12-17
申请号：US12096807
申请日：2006-12-12
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： G11B7/135 , G02B3/00 , G02B17/00
CPC分类号： G11B7/1395 , G11B2007/0006
摘要： An optical head according to the present invention includes: a first light source that emits light with a first wavelength; a beam splitter that splits the light emitted from the first light source into a first light beam traveling in a first direction and a second light beam traveling in a second direction different from the first direction; a first collimator lens for changing degrees of divergence of the first light beam; a first mirror that changes the traveling directions of the first light beam, of which the degrees of divergence have been changed; a first objective lens for converging the first light beam, which has had its traveling directions changed, toward a storage layer of a first optical disk; a mover that holds the first objective lens; a first photodetector that receives the first light beam reflected from the storage layer of the first optical disk and converts it into an electrical signal; a condenser lens for condensing the second light beam; and a second photodetector that receives the second light beam condensed by the condenser lens and converts it into an electrical signal.
摘要翻译：根据本发明的光头包括：发射具有第一波长的光的第一光源; 将从第一光源发射的光分成沿第一方向传播的第一光束和沿与第一方向不同的第二方向行进的第二光束的分束器; 用于改变第一光束的发散度的第一准直透镜; 改变其偏离度的第一光束的行进方向的第一反射镜; 用于将其行进方向改变的第一光束会聚到第一光盘的存储层的第一物镜; 保持第一个物镜的移动器; 第一光电检测器，其接收从第一光盘的存储层反射的第一光束并将其转换为电信号; 聚光透镜，用于冷凝第二光束; 以及第二光电检测器，其接收由聚光透镜聚光的第二光束并将其转换成电信号。

67. 发明申请

US20090262629A1 OPTICAL HEAD, OPTICAL DISC DEVICE AND INFORMATION RECORDING AND/OR REPRODUCING DEVICE 失效
标题翻译：光头，光盘设备和信息记录和/或再现设备
公开(公告)号：US20090262629A1
公开(公告)日：2009-10-22
申请号：US12415033
申请日：2009-03-31
申请人： Fumitomo YAMASAKI , Yoshiaki Komma , Toshiyasu Tanaka , Kanji Wakabayashi
发明人： Fumitomo YAMASAKI , Yoshiaki Komma , Toshiyasu Tanaka , Kanji Wakabayashi
IPC分类号： G11B7/135
CPC分类号： G11B7/1395 , G11B7/1275 , G11B2007/0006
摘要： An optical head is provided with a light source for emitting a first laser beam having a first wavelength shorter than 430 nm, a two-wavelength light source for emitting a second laser beam having a second wavelength equal to or longer than 430 nm, a flat beam splitter in the form of a single plate for reflecting the first laser beam emitted from the light source, a wedge prism in the form of a single plate for reflecting the first laser beam reflected by the flat beam splitter and transmitting the second laser beam emitted from the two-wavelength light source, and an objective lens for focusing the first laser beam reflected by the wedge prism on an information recording surface of a BD. The light source is arranged such that the optical axis of the first laser beam emitted from the light source is inclined with respect to that of the second laser beam emitted from the two-wavelength light source. By this construction, the miniaturization of the optical head can be realized.
摘要翻译：光头设置有用于发射第一波长短于430nm的第一激光束的光源，用于发射第二波长等于或大于430nm的第二激光束的双波长光源，平坦用于反射从光源发射的第一激光束的单板形式的分束器，以单个板形式的楔形棱镜，用于反射由平面分束器反射的第一激光束并透射发射的第二激光束和用于将由楔形棱镜反射的第一激光束聚焦在BD的信息记录表面上的物镜。光源被布置成使得从光源发射的第一激光束的光轴相对于从双波长光源发射的第二激光束的光轴倾斜。通过这种结构，可以实现光学头的小型化。

68. 发明申请

US20090138901A1 OPTICAL PICKUP, OPTICAL ELEMENT, OPTICAL INFORMATION DEVICE, COMPUTER, OPTICAL INFORMATION MEDIUM PLAYER, CAR NAVIGATION SYSTEM, OPTICAL INFORMATION MEDIUM RECORDER AND OPTICAL DISK SERVER 有权
标题翻译：光学拾取，光学元件，光学信息设备，计算机，光学信息媒体播放器，导航系统，光信息媒体记录器和光盘服务器
公开(公告)号：US20090138901A1
公开(公告)日：2009-05-28
申请号：US12280812
申请日：2007-02-27
申请人： Toshiyasu Tanaka , Yoshiaki Komma , Kousei Sano , Hidenori Wada , Keiichi Matzuzaki , Kanji Wakabayashi
发明人： Toshiyasu Tanaka , Yoshiaki Komma , Kousei Sano , Hidenori Wada , Keiichi Matzuzaki , Kanji Wakabayashi
IPC分类号： G11B7/135 , G11B7/00 , G01C21/00 , G09G5/00
CPC分类号： G11B7/1398 , G11B7/1392
摘要： An optical pickup includes: a laser light source which outputs an divergent beam having an elliptical far-field pattern; a beam shaping element having at least one cylindrical plane and which shapes the divergent beam outputted from the laser light source into an divergent beam having a prescribed shape in which at least the length in the major axis direction of the elliptical shape is shortened; a light collecting portion having a beam splitter which perpendicularly collects the divergent beam that is outputted from the beam shaping element and which has a prescribed shape on the recording surface of an optical disk, and a mirror or the like; and a light detecting portion The optical axis of the divergent beam is rotated so that the direction in which the major axis of the divergent beam having a prescribed shape is shortened conforms to the radial direction of an optical information recording medium.
摘要翻译：光学拾取器包括：激光源，其输出具有椭圆形远场图案的发散光束; 具有至少一个圆柱面并且将从激光光源输出的发散光束成形为具有规定形状的发散光束的光束成形元件，其中至少椭圆形长轴方向上的长度被缩短; 具有分束器的光收集部分，其垂直地收集从光束成形元件输出并且在光盘的记录表面上具有规定形状的发散光束和反射镜等; 和光检测部分发散光束的光轴旋转，使得具有规定形状的发散光束的长轴的方向被缩短，符合光学信息记录介质的径向。

69. 发明申请

US20090086330A1 OPTICAL PICKUP, OPTICAL DISC DRIVE DEVICE, AND OPTICAL INFORMATION DEVICE 有权
标题翻译：光学拾取，光盘驱动器件和光信息器件
公开(公告)号：US20090086330A1
公开(公告)日：2009-04-02
申请号：US12280601
申请日：2007-01-23
申请人： Keiichi Matsuzaki , Yoshiaki Komma , Toshiyasu Tanaka , Kousei Sano , Kanji Wakabayashi , Hidenori Wada
发明人： Keiichi Matsuzaki , Yoshiaki Komma , Toshiyasu Tanaka , Kousei Sano , Kanji Wakabayashi , Hidenori Wada
IPC分类号： G02B13/18
CPC分类号： G11B7/1353 , G11B7/1362 , G11B7/1376 , G11B7/13925 , G11B2007/0013
摘要： A small optical pickup of wide spherical aberration correction range is provided. The optical pickup includes a rising mirror for deflecting a light beam at substantially right angle and guiding to an entrance surface of the objective lens; a spherical aberration correction lens having one surface formed to a larger curvature than the other surface; a lens holder for holding the spherical aberration correction lens so that the surface of large curvature partially projects out towards the rising mirror side; a guide member extending in an optical axis direction of the spherical aberration correction lens sand having an end arranged to the side of a reflecting surface of the rising mirror; and a slidable part slidable along the guide member; wherein the projecting portion of the slidable part is configured to be fitted within the side surface of the reflecting surface of the rising mirror, and the projecting portion from the lens holder of the spherical aberration correction lens overlaps the reflecting surface of the rising mirror when the spherical aberration correction lens approaches the rising mirror the most.
摘要翻译：提供宽球面像差校正范围的小型光学拾取器。光学拾取器包括用于使光束以基本上直角偏转并引导到物镜的入射表面的上升反射镜; 球面像差校正透镜，其一个表面形成为比另一个表面大的曲率; 用于保持球面像差校正透镜的透镜保持器，使得大曲率的表面部分地向上升反射镜侧突出; 引导构件，其沿球面像差校正透镜砂的光轴方向延伸，所述球面像差校正透镜砂的端部设置在所述上升反射镜的反射面的一侧; 以及可沿着引导构件滑动的滑动部件; 其中，所述可滑动部分的突出部分被配置成装配在所述反射镜的反射表面的侧表面内，并且当所述球面像差校正透镜的透镜保持器的突出部分与所述上升反射镜的反射表面重叠时，球面像差校正镜最接近上升镜。

70. 发明申请

US20090040909A1 Optical head device and optical information device 审中-公开
标题翻译：光头设备和光信息设备
公开(公告)号：US20090040909A1
公开(公告)日：2009-02-12
申请号：US11918780
申请日：2006-04-20
申请人： Joji Anzai , Hideki Aikoh , Akihiro Arai , Hideki Nakata , Fumitomo Yamasaki , Yoshiaki Komma
发明人： Joji Anzai , Hideki Aikoh , Akihiro Arai , Hideki Nakata , Fumitomo Yamasaki , Yoshiaki Komma
IPC分类号： G11B7/135
CPC分类号： G11B7/1275 , G11B7/1356 , G11B2007/0006
摘要： An optical head device is provided with a light source 1 for emitting a plurality of lights having different wavelengths, an objective lens 31 for focusing a light spot on an optical disc 21, an objective lens 32 for focusing light spots on optical discs 22 to 24, and a prism 53 for splitting a laser light having a wavelength of 405 nm from the light source 1 into a transmitting light and a reflected light, introducing the reflected light to the objective lens 31 and the transmitting light to the objective lens 32, and introducing laser lights having wavelengths of 660 nm, 780 nm from the light source 1 to the objective lens 32.
摘要翻译：光头装置设置有用于发射具有不同波长的多个光的光源1，用于将光点聚焦在光盘21上的物镜31，用于将光点聚焦在光盘22至24上的物镜32 以及棱镜53，用于将来自光源1的具有405nm波长的激光分解成透射光和反射光，将反射光引导到物镜31和透射光到物镜32，以及将从光源1到物镜32的波长为660nm，780nm的激光引入。

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