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41. 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

42. 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。

43. 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。

44. 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。

45. 发明授权

US07486606B2 Optical head and optical information apparatus for recording or reproducing information on an information recording medium 有权
标题翻译：用于在信息记录介质上记录或再现信息的光头和光信息装置
公开(公告)号：US07486606B2
公开(公告)日：2009-02-03
申请号：US11151272
申请日：2005-06-14
申请人： Kousei Sano , Yoshiaki Komma , Sadao Mizuno
发明人： Kousei Sano , Yoshiaki Komma , Sadao Mizuno
IPC分类号： G11B7/00
CPC分类号： G11B7/1353
摘要： An optical head which is capable of realizing a stable tracking control, even if the rotational center of an information recording medium is not located on the extension line of the transfer directions of a light-concentrating element, includes: a semiconductor laser which emits a beam of light; an objective lens which concentrates the beam of light on an optical disk; a transfer mechanism which transfers the objective lens between the outermost circumference and the innermost circumference of the recording area of the optical disk along the optical disk; and a photo-detector which detects a beam of light that returns from the optical disk. The photo-detector includes a plurality of areas which are divided by a division line. The division line is set parallel to the tangential directions of the track in a predetermined position on the transfer line of the objective lens between the outermost circumference and the innermost circumference of the recording area, and the plurality of areas are divided, by a lateral division line which intersects the division line, into a first area on which a beam of light that mainly includes a tracking component is incident and a second area on which a beam of light that does not include the tracking component is incident.
摘要翻译：即使信息记录介质的旋转中心不位于聚光元件的传送方向的延长线上，也能够实现稳定的跟踪控制的光学头包括：发射光束的半导体激光器的光将光束聚集在光盘上的物镜; 传送机构，其沿着光盘在光盘的记录区域的最外圆周和最内圆周之间传送物镜; 以及光检测器，其检测从光盘返回的光束。光检测器包括由划分线划分的多个区域。分割线与记录区域的最外圆周和最内圆周之间的物镜的传送线上的预定位置处的轨道的切线方向平行设置，并且通过横向划分来划分多个区域与分割线相交的第一区域进入主要包括跟踪分量的光束入射的第一区域和不包括跟踪组件的光束入射的第二区域。

46. 发明申请

US20050117497A1 Optical element and optical head device using it and optical information device using this optical head device, and computer, optical disk player car navigation system, optical disk recorder and optical disk server using this optical information device 有权
标题翻译：使用它的光学元件和光学头装置和使用该光学头装置的光学信息装置，以及使用该光学信息装置的计算机，光盘播放器汽车导航系统，光盘记录器和光盘服务器
公开(公告)号：US20050117497A1
公开(公告)日：2005-06-02
申请号：US10504373
申请日：2003-01-30
申请人： Yoshiaki Komma , Sadao Mizuno , Kousei Sano
发明人： Yoshiaki Komma , Sadao Mizuno , Kousei Sano
IPC分类号： G11B7/00 , G11B7/125
CPC分类号： G11B7/1356 , G11B7/1275 , G11B7/1362 , G11B7/1365 , G11B7/1374 , G11B7/1378 , G11B7/1392 , G11B7/1395 , G11B2007/0006
摘要： Providing an objective lens with a large numerical aperture (NA), the present invention records or plays conventional optical disks such as CDs and DVDs using an optical head capable of recording or reproducing high-density optical disks. An optical element (8) is provided between a first and second laser light source and an objective lens (18) for the purpose of converting a wave front of a second optical beam 32. Furthermore, the optical element (8) and the objective lens (18) are fixed to move as a single piece.
摘要翻译：提供具有大数值孔径（NA）的物镜，本发明使用能够记录或再现高密度光盘的光学头记录或播放诸如CD和DVD的常规光盘。为了转换第二光束32的波前，光学元件（8）设置在第一和第二激光光源与物镜（18）之间。此外，光学元件（8）和物镜（18）被固定成单件移动。

47. 发明授权

US08395980B2 Optical head device, optical information device, and information processing device 有权
标题翻译：光头设备，光信息设备和信息处理设备
公开(公告)号：US08395980B2
公开(公告)日：2013-03-12
申请号：US13391483
申请日：2010-07-30
申请人： Yoshiaki Komma , Joji Anzai , Yasumori Hino , Kousei Sano , Hideki Nakata , Keisuke Fujimoto , Takeharu Yamamoto , Takeshi Shimamoto
发明人： Yoshiaki Komma , Joji Anzai , Yasumori Hino , Kousei Sano , Hideki Nakata , Keisuke Fujimoto , Takeharu Yamamoto , Takeshi Shimamoto
IPC分类号： G11B7/00
CPC分类号： G11B7/1381 , G11B7/1275 , G11B2007/0006 , G11B2007/0013
摘要： When information is recorded or reproduced on or from an optical information medium having three or more recording layers using blue light, interference by another layer light is reduced and, when information is reproduced from an optical information medium using red light, an S/N ratio is held excellently high.An optical head device includes a first laser light source (1) which emits blue light, a second laser light source (2) which emits red light, an objective lens (11) which focuses the blue light onto a recording layer of a first optical disc (12) or focuses the red light onto a recording layer of a second optical disc (13), a photodetector (9) which receives the blue light reflected by the recording layer of the first optical disc (12) or the red light reflected by the recording layer of the second optical disc (13) and outputs an electric signal in accordance with an amount of the received blue light or red light, and a wavelength selective light blocking region (7x) which blocks a predetermined range of the blue light including an optical axis thereof to prevent the predetermined range from reaching the photodetector (9), and transmits the red light.
摘要翻译：当使用蓝光在具有三个或更多个记录层的光信息介质上记录或再现信息时，减少了另一层光的干扰，并且当使用红光从光信息介质再现信息时，S / N比举办得非常高。光头装置包括发射蓝光的第一激光光源（1），发出红光的第二激光光源（2），将蓝光聚焦到第一光学记录层上的物镜（11）盘（12）或将红光聚焦到第二光盘（13）的记录层上，接收由第一光盘（12）的记录层反射的蓝光的光电检测器（9）或反射的红光通过第二光盘（13）的记录层，并根据所接收的蓝光或红光的量输出电信号，以及阻挡蓝光的预定范围的波长选择性遮光区域（7x）包括其光轴以防止预定范围到达光电检测器（9），并发送红光。

48. 发明授权

US08391120B2 Optical head, optical disc device and information processing device 有权
标题翻译：光头，光盘装置及信息处理装置
公开(公告)号：US08391120B2
公开(公告)日：2013-03-05
申请号：US12604758
申请日：2009-10-23
申请人： Fumitomo Yamasaki , Kousei Sano , Tomoaki Tojo , Katsuhiko Hayashi , Yoshiaki Komma
发明人： Fumitomo Yamasaki , Kousei Sano , Tomoaki Tojo , Katsuhiko Hayashi , Yoshiaki Komma
IPC分类号： G11B7/135
CPC分类号： G11B7/1275 , G11B7/1374 , G11B7/13922 , G11B7/13925 , G11B2007/0006 , G11B2007/0013
摘要： An optical head, an optical disc device and an information processing device are capable of suppressing the amount of third-order astigmatism created upon recording or reproducing information on or from a multi-layer optical disc including at least three information recording surfaces. An objective lens satisfies a relationship of tc>(t0+tn)/2 assuming that t0 denotes the thickness of a light transmitting layer from the outer surface of the multi-layer optical disc to an information recording surface having the largest light transmitting layer thickness, tn denotes the thickness of a light transmitting layer from the outer surface of the multi-layer optical disc to an information recording surface having the smallest light transmitting layer thickness and tc denotes the thickness of a virtual light transmitting layer at which the absolute value of a third-order spherical aberration is minimum when blue-violet laser light is incident as parallel light on the objective lens.
摘要翻译：光头，光盘装置和信息处理装置能够抑制在包括至少三个信息记录表面的多层光盘上记录或再现信息时产生的三阶散光量。假设t0表示从多层光盘的外表面到具有最大透光层厚度的信息记录表面的透光层的厚度，物镜满足tc>（t0 + tn）/ 2的关系，tn表示从多层光盘的外表面到具有最小透光层厚度的信息记录表面的透光层的厚度，tc表示虚拟透光层的厚度，其中绝对值当蓝紫色激光作为平行光入射到物镜上时，三阶球面像差最小。

49. 发明授权

US08094543B2 Information recording medium, reproducing apparatus and reproducing method 有权
标题翻译：信息记录介质，再现装置和再现方法
公开(公告)号：US08094543B2
公开(公告)日：2012-01-10
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： G11B7/00
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。

50. 发明申请

US20110170389A1 OPTICAL INFORMATION MEDIUM MEASUREMENT METHOD, OPTICAL INFORMATION METHOD, OPTICAL INFORMATION MEDIUM, RECORDING APPARATUS, AND REPRODUCING APPARATUS 有权
标题翻译：光学信息中度测量方法，光学信息方法，光学信息介质，记录装置和再现装置
公开(公告)号：US20110170389A1
公开(公告)日：2011-07-14
申请号：US13071914
申请日：2011-03-25
申请人： Kousei Sano , Yoshiaki Komma , Yasumori Hino
发明人： Kousei Sano , Yoshiaki Komma , Yasumori Hino
IPC分类号： G11B7/00
CPC分类号： G11B7/268 , G11B7/00375 , G11B2007/0013
摘要： An optical information medium measurement method of the present invention, for measuring a degree of modulation in an optical information medium of a multilayered structure having a plurality of information layers, includes a first step of measuring the modulation degree of each layer of the optical information medium, by use of a measurement optical system, a second step of obtaining a thickness between layers of the optical information medium, a third step of obtaining a reflectance of each layer of the optical information medium, and a fourth step of converting the modulation degree of each layer, the modulation degree being measured in the first step, into a modulation degree at a reference optical system differing from the measurement optical system, based on a value indicative of the thickness between layers, the thickness being obtained in the second step, and a value indicative of the reflectance of each layer, the reflectance being obtained in the third step.
摘要翻译：本发明的光信息介质测量方法，用于测量具有多个信息层的多层结构的光信息介质中的调制度，包括测量光信息介质的每一层的调制度的第一步骤通过使用测量光学系统，获得光学信息介质的层之间的厚度的第二步骤，获得光学信息介质的每一层的反射率的第三步骤和转换光信息介质的调制度的第四步骤基于表示层之间的厚度的值，在第二步骤中获得的厚度和在第一步骤中获得的厚度，将在第一步骤中测量的调制度调整为与测量光学系统不同的参考光学系统的调制度，以及表示每层的反射率的值，第三步骤中得到的反射率。

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