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公开(公告)号：US20080094980A1
公开(公告)日：2008-04-24
申请号：US11718453
申请日：2005-10-25
IPC分类号： G11B7/125
CPC分类号： G11B7/126 , H01S5/0617 , H01S2301/02
摘要： An optical information read/write apparatus according to the present invention includes: a light source 1 that emits a laser beam to access an information storage medium optically; a laser driver 51a for supplying drive current to a semiconductor laser as the light source 1; an RF superimposed current generator 51c for adding RF superimposed current to the drive current; a temperature sensor 35 for detecting a temperature around the light source 1; and a control section for switching the values of the RF superimposed current according to the temperature detected.
摘要翻译： 根据本发明的光信息读/写装置包括：光源1，其发射激光以光学地存取信息存储介质; 用于向半导体激光器提供驱动电流作为光源1的激光驱动器51a; 用于将RF叠加电流加到驱动电流的RF叠加电流发生器51c; 用于检测光源1周围的温度的温度传感器35; 以及用于根据检测到的温度来切换RF叠加电流的值的控制部。
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2.发明授权Beam expander to change an elliptical light beam emitted from a laser source to a circular light beam 失效光束扩展器将从激光源发射的椭圆光束改变为圆形光束
公开(公告)号：US6014361A
公开(公告)日：2000-01-11
申请号：US57915
申请日：1998-04-09
CPC分类号： G11B7/1381 , G11B7/1356 , G11B7/1359 , G11B7/1378 , G11B7/1398 , G11B7/0912
摘要： An optical head device of the present invention includes: a semiconductor laser for emitting a light beam; a first optical element for converting the light beam emitted from the semiconductor laser into collimated light having an elliptic beam shape; shaping means for shaping the beam shape of the collimated light from an ellipse to a circle; and a second optical element for directing the collimated light having the beam shape which has been shaped into a circle onto an optical information recording medium. The semiconductor laser is located so that a short axis direction of the ellipse is substantially parallel to a rotation axis direction of the optical information recording medium.
摘要翻译： 本发明的光头装置包括：用于发射光束的半导体激光器; 用于将从半导体激光器发射的光束转换成具有椭圆形光束的准直光的第一光学元件; 成形装置，用于将准直光的光束形状从椭圆形成圆形; 以及第二光学元件，用于将已经成形为圆形的具有光束形状的准直光引导到光学信息记录介质上。 半导体激光器被定位成使得椭圆的短轴方向基本上平行于光学信息记录介质的旋转轴线方向。
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3.发明授权Lens actuator for dual lens optical disk apparatus having lens mounting base stopper and selected lens sensor 失效双透镜光盘装置的透镜致动器具有透镜安装基座止动器和选择的透镜传感器
公开(公告)号：US5864524A
公开(公告)日：1999-01-26
申请号：US800978
申请日：1997-02-19
申请人： Akihiro Sakaguchi
发明人： Akihiro Sakaguchi
CPC分类号： G11B7/0935 , G11B7/1374 , G11B2007/0006
摘要： A lens actuator for use in an optical data reader, comprising: a base on which a plurality of N (N=natural number not less than two) objective lenses corresponding to N optical data recording media having substrates of different thicknesses, respectively are mounted; a supporting shaft which is provided on the base such that the base is movable vertically and rotatable within predetermined ranges, respectively relative to the supporting shaft; a pair of driving coils for performing changeover among the objective lenses and tracking follow-up of the data recording media; and N pairs of magnets which form a magnetic circuit together with the driving coils such that the base is rotated by the driving coils and the magnets.
摘要翻译： 一种用于光学数据读取器的透镜致动器，包括：分别安装有与具有不同厚度的衬底的N个光学数据记录介质对应的多个N（N =自然数不少于2个）物镜的基座; 支撑轴，其设置在所述基座上，使得所述基座能够相对于所述支撑轴分别在预定范围内垂直移动并且可旋转; 用于在物镜之间进行切换并跟踪数据记录介质的跟踪的一对驱动线圈; 和N对磁体，其与驱动线圈一起形成磁路，使得基座由驱动线圈和磁体旋转。
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4.发明授权Optical disk drive with temperature based control of RF superimposed current 有权光盘驱动器采用基于温度控制的RF叠加电流公开(公告)号：US07701826B2
公开(公告)日：2010-04-20
申请号：US11718453
申请日：2005-10-25
IPC分类号： G11B11/00
CPC分类号： G11B7/126 , H01S5/0617 , H01S2301/02
摘要： An optical information read/write apparatus according to the present invention includes: a light source 1 that emits a laser beam to access an information storage medium optically; a laser driver 51a for supplying drive current to a semiconductor laser as the light source 1; an RE superimposed current generator 51c for adding RE superimposed current to the drive current; a temperature sensor 35 for detecting a temperature around the light source 1; and a control section for switching the values of the RE superimposed current according to the temperature detected.
摘要翻译： 根据本发明的光信息读/写装置包括：光源1，其发射激光以光学地存取信息存储介质; 用于向半导体激光器提供驱动电流作为光源1的激光驱动器51a; 用于将RE叠加电流加到驱动电流的RE叠加电流发生器51c; 用于检测光源1周围的温度的温度传感器35; 以及控制部分，用于根据检测到的温度来切换RE叠加电流的值。
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公开(公告)号：US06449232B1
公开(公告)日：2002-09-10
申请号：US09601379
申请日：2000-08-01
申请人： Masaya Kuwahara , Shinichi Yamada , Hiroyuki Yamaguchi , Masuo Maruyama , Masanari Mohri , Akihiro Sakaguchi , Yasuo Nishihara , Masayoshi Shioya
发明人： Masaya Kuwahara , Shinichi Yamada , Hiroyuki Yamaguchi , Masuo Maruyama , Masanari Mohri , Akihiro Sakaguchi , Yasuo Nishihara , Masayoshi Shioya
IPC分类号： G11B700
CPC分类号： G11B19/12 , G11B7/08511 , G11B7/08517 , G11B7/0945 , G11B2007/0006
摘要： Optical disks compliant with different standards are recorded or reproduced by a single recording/reproducing apparatus by a first step of determining a substrate thickness of the disk based on a focusing error signal, when a focusing section for bringing the light beam into a focus on the disk is moved in such a way as to approach or withdraw from the recording surface of the disk; a second step of performing any one step of determining the number of recording surfaces of the disk when the focusing section is moved in such a way as to approach or withdraw from the recording surface of the disk, and determining whether or not the disk can be recorded and reproduced using a tracking error signal detected when the light beam crosses the track.
摘要翻译： 通过第一步骤，通过单个记录/再现装置记录或再现基于聚焦误差信号的盘的基板厚度的光盘，当聚焦部分将光束聚焦在 盘以从盘的记录表面接近或退出的方式移动; 执行以下步骤：当聚焦部分以从盘的记录表面接近或退出的方式移动时确定盘的记录表面的数量的步骤，并且确定盘是否可以是 使用当光束穿过轨道时检测到的跟踪误差信号来记录和再现。
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公开(公告)号：US4943332A
公开(公告)日：1990-07-24
申请号：US297225
申请日：1989-01-13
CPC分类号： A63B37/08 , A63B37/0052 , A63B37/0074 , A63B45/00 , B29D99/0042 , B29L2031/54
摘要： Disclosed is a method of producing a liquid ball for golf ball, which is characterized in that an adhesive is coated on the edge surfaces of a pair of bag rubber hemispheres and then the said pair of hemispheres are combined in a liquid material and thereafter vulcanized.
摘要翻译： 公开了一种制造高尔夫球用液球的方法，其特征在于，在一对袋橡胶半球的边缘表面上涂布粘合剂，然后将所述一对半球组合成液体材料，然后硫化。
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公开(公告)号：US07745770B2
公开(公告)日：2010-06-29
申请号：US12064835
申请日：2006-08-09
IPC分类号： G01J1/32
CPC分类号： G11B7/1356 , G11B7/1263 , G11B7/1275 , G11B2007/0006
摘要： A light intensity control device of the present invention includes a light source for outputting a plurality of types of light beams having different wavelengths; a light receiving section for receiving and converting the light beams into an electric signal in accordance with the intensity of the respective light beam; and a polarization separation section provided between the light source and the light receiving section. The plurality of types of light beams include a first light beam and a second light beam having a longer wavelength than that of the first light beam. The polarization separation section guides both a first polarization direction light component of the second light beam and a second polarization direction light component, perpendicular to the first polarization direction, of the second light beam to the light receiving section. The polarization separation section guides a first polarization direction light component of the first light beam to the light receiving section, and suppresses a second polarization direction component, perpendicular to the first polarization direction, of the first light beam from advancing to the light receiving section.
摘要翻译： 本发明的光强度控制装置包括用于输出具有不同波长的多种类型的光束的光源; 光接收部分，用于根据各个光束的强度接收并将光束转换成电信号; 以及设置在光源和光接收部之间的偏振分离部。 多种类型的光束包括具有比第一光束波长长的波长的第一光束和第二光束。 极化分离部分将第二光束的第一偏振方向光分量和垂直于第一偏振方向的第二偏振方向光分量引导到光接收部分。 偏光分离部将第一光束的第一偏振方向光分量引导到受光部，并且抑制第一光束的垂直于第一偏振方向的第二偏振方向分量前进到光接收部。
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公开(公告)号：US20090261234A1
公开(公告)日：2009-10-22
申请号：US12064835
申请日：2006-08-09
IPC分类号： G01J1/32
CPC分类号： G11B7/1356 , G11B7/1263 , G11B7/1275 , G11B2007/0006
摘要： A light intensity control device of the present invention includes a light source for outputting a plurality of types of light beams having different wavelengths; a light receiving section for receiving and converting the light beams into an electric signal in accordance with the intensity of the respective light beam; and a polarization separation section provided between the light source and the light receiving section. The plurality of types of light beams include a first light beam and a second light beam having a longer wavelength than that of the first light beam. The polarization separation section guides both a first polarization direction light component of the second light beam and a second polarization direction light component, perpendicular to the first polarization direction, of the second light beam to the light receiving section. The polarization separation section guides a first polarization direction light component of the first light beam to the light receiving section, and suppresses a second polarization direction light component, perpendicular to the first polarization direction, of the first light beam from advancing to the light receiving section.
摘要翻译： 本发明的光强度控制装置包括用于输出具有不同波长的多种类型的光束的光源; 光接收部分，用于根据各个光束的强度接收并将光束转换成电信号; 以及设置在光源和光接收部之间的偏振分离部。 多种类型的光束包括具有比第一光束波长长的波长的第一光束和第二光束。 极化分离部分将第二光束的第一偏振方向光分量和垂直于第一偏振方向的第二偏振方向光分量引导到光接收部分。 偏振分离部将第一光束的第一偏振方向光分量引导到受光部，并且抑制第一光束的垂直于第一偏振方向的第二偏振方向光分量前进到受光部 。
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