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1. 发明申请

US20080239929A1 OPTICAL HEAD DEVICE 审中-公开
标题翻译：光头设备
公开(公告)号：US20080239929A1
公开(公告)日：2008-10-02
申请号：US12059063
申请日：2008-03-31
申请人： Masaki Sasaki , Izumi Komatsu , Tadashi Takeda
发明人： Masaki Sasaki , Izumi Komatsu , Tadashi Takeda
IPC分类号： G11B7/135
CPC分类号： G11B7/22 , G11B7/123 , G11B7/1275 , G11B7/1365 , G11B7/1378 , G11B7/13922 , G11B7/1395 , G11B2007/0006
摘要： An optical head device may include a first laser light source, a second laser light source, a first parallel-plate type beam splitter for guiding a first and a second laser beams to a common objective lens, a second parallel-plate type beam splitter for guiding the second laser beam to the common objective lens, an aberration correction lens disposed between the first laser light source and the first beam splitter for correcting an aberration generated when the first laser beam transmits through the first beam splitter; and a light source unit which is structured by fixing the first laser light source and the aberration correction lens to a common holder in a state that a relative position between the first laser light source and the aberration correction lens is previously set.
摘要翻译：光学头装置可以包括第一激光光源，第二激光光源，用于将第一和第二激光束引导到公共物镜的第一平行板型分束器，用于将所述第二激光束引导到所述公共物镜;像差校正透镜，设置在所述第一激光光源和所述第一分束器之间，用于校正当所述第一激光束透过所述第一分束器时产生的像差; 以及光源单元，其通过在预先设定了第一激光光源与像差校正透镜之间的相对位置的状态下将第一激光光源和像差校正透镜固定到公共保持器而构成。

2. 发明申请

US20080239927A1 OPTICAL HEAD DEVICE 审中-公开
标题翻译：光头设备
公开(公告)号：US20080239927A1
公开(公告)日：2008-10-02
申请号：US12058962
申请日：2008-03-31
申请人： Masaki Sasaki , Izumi Komatsu , Tadashi Takeda
发明人： Masaki Sasaki , Izumi Komatsu , Tadashi Takeda
IPC分类号： G11B7/135
CPC分类号： G11B7/1395 , G11B7/1275 , G11B7/1365 , G11B7/1378 , G11B7/13922 , G11B7/1398
摘要： An optical head device may include a polarization conversion element disposed on a common optical path for guiding a first and a second laser beams to a common objective lens for converting the first and the second laser beams to a circularly polarized light from a linearly polarized light, and a ½-wavelength plate disposed on an optical path of the first laser beam from a first laser light source to the common optical path for adjusting a polarization plane direction of the first laser beam. A polarization plane direction of the first laser beam incident on the polarization conversion element from the first laser light source is adjusted by the ½-wavelength plate in a direction so that the linearly polarized light is converted into the circularly polarized light.
摘要翻译：光学头装置可以包括设置在公共光路上的偏振转换元件，用于将第一和第二激光束引导到用于将第一和第二激光束从线性偏振光转换成圆偏振光的公共物镜，以及设置在第一激光束从第一激光光源到共用光路的光路上的1/2波长板，用于调整第一激光束的偏振面方向。入射到来自第一激光光源的偏振转换元件的第一激光束的偏振面方向通过1/2波长板沿使得线偏振光转换成圆偏振光的方向被调节。

3. 发明授权

US09459464B2 Lens drive device 有权
标题翻译：镜头驱动装置
公开(公告)号：US09459464B2
公开(公告)日：2016-10-04
申请号：US13518134
申请日：2010-12-16
申请人： Shinji Minamisawa , Katsushige Yanagisawa , Tatsuki Wade , Tadashi Takeda , Kiyoshi Miyazaki , Hisahiro Ishihara
发明人： Shinji Minamisawa , Katsushige Yanagisawa , Tatsuki Wade , Tadashi Takeda , Kiyoshi Miyazaki , Hisahiro Ishihara
IPC分类号： G02B27/64 , G02B7/08 , G03B3/10 , G03B5/02 , H04N5/225 , H02K41/03 , H04N5/232
CPC分类号： G02B27/646 , G02B7/08 , G03B3/10 , G03B5/02 , G03B2205/0007 , H02K41/031 , H02K2201/18 , H04N5/2254 , H04N5/23258 , H04N5/2328
摘要： A lens drive device may include a first holding body, a second holding body, a fixed body which holds the second holding body, a first drive mechanism to drive the first holding body, a second drive mechanism to drive the second holding body, a third drive mechanism structured to drive the second holding body in a different direction than the second drive mechanism, an elastic member having a fixed part which is fixed to the second holding body and a deformable part, and plural wires in a substantially straight line shape with one end side fixed to the deformable part and the other end side fixed to the fixed body.
摘要翻译：透镜驱动装置可以包括第一保持体，第二保持体，保持第二保持体的固定体，驱动第一保持体的第一驱动机构，驱动第二保持体的第二驱动机构，第三保持体驱动机构，其构造成在与第二驱动机构不同的方向上驱动第二保持体，弹性构件，其具有固定在第二保持体上的固定部和可变形部;多个线，固定在可变形部分的另一端侧固定在固定体上。

4. 发明授权

US09097955B2 Optical unit and its manufacturing method 有权
标题翻译：光学单元及其制造方法
公开(公告)号：US09097955B2
公开(公告)日：2015-08-04
申请号：US13389150
申请日：2010-08-04
申请人： Tadashi Takeda , Kiyoshi Miyazaki , Katsushige Yanagisawa , Jun Yamashita , Hisahiro Ishihara
发明人： Tadashi Takeda , Kiyoshi Miyazaki , Katsushige Yanagisawa , Jun Yamashita , Hisahiro Ishihara
IPC分类号： G02B27/64 , G03B5/00 , G02B13/00 , H04N5/225 , H04N5/232
CPC分类号： G03B5/00 , G02B13/001 , G02B27/646 , H04N5/2253 , H04N5/2257 , H04N5/23258 , H04N5/23287 , Y10T29/49826
摘要： Provided is an optical unit comprising a shake detecting sensor which is less likely to unnecessarily vibrate even with the optical unit being designed to have a thinner profile. At a first step in the assembly of an optical unit provided with a shake correction mechanism, a module cover is mounted on a fixed body with a spring member therebetween and a movable module driving mechanism is provided between the module cover and the fixed body. At a second step, an image-capturing unit is inserted into the interior of the module cover by way of a fixed-body-side opening portion and a module-cover-side opening portion, and at a third step, a holding member is attached to a module cover.
摘要翻译：提供了一种光学单元，其包括抖动检测传感器，即使光学单元被设计为具有更薄的轮廓，其也不太可能不必要地振动。在设置有抖动校正机构的光学单元的组装的第一步骤中，模块盖安装在具有弹簧构件的固定体上，并且在模块盖和固定体之间设置有可动模块驱动机构。在第二步骤中，图像捕获单元通过固定体侧开口部和模块盖侧开口部插入到模块盖的内部，在第三工序中，保持构件连接到模块盖。

5. 发明申请

US20130201559A1 Lens Drive Device 有权
标题翻译：镜头驱动装置
公开(公告)号：US20130201559A1
公开(公告)日：2013-08-08
申请号：US13518134
申请日：2010-12-16
申请人： Shinji Minamisawa , Katsushige Yanagisawa , Tatsuki Wade , Tadashi Takeda , Kiyoshi Miyazaki , Hisahiro Ishihara
发明人： Shinji Minamisawa , Katsushige Yanagisawa , Tatsuki Wade , Tadashi Takeda , Kiyoshi Miyazaki , Hisahiro Ishihara
IPC分类号： G02B27/64
CPC分类号： G02B27/646 , G02B7/08 , G03B3/10 , G03B5/02 , G03B2205/0007 , H02K41/031 , H02K2201/18 , H04N5/2254 , H04N5/23258 , H04N5/2328
摘要： A lens drive device may include a first holding body, a second holding body, a fixed body which holds the second holding body, a first drive mechanism to drive the first holding body, a second drive mechanism to drive the second holding body, a third drive mechanism structured to drive the second holding body in a different direction than the second drive mechanism, an elastic member having a fixed part which is fixed to the second holding body and a deformable part, and plural wires in a substantially straight line shape with one end side fixed to the deformable part and the other end side fixed to the fixed body.
摘要翻译：透镜驱动装置可以包括第一保持体，第二保持体，保持第二保持体的固定体，驱动第一保持体的第一驱动机构，驱动第二保持体的第二驱动机构，第三保持体驱动机构，其构造成在与第二驱动机构不同的方向上驱动第二保持体，弹性构件，其具有固定在第二保持体上的固定部和可变形部;多个线，固定在可变形部分的另一端侧固定在固定体上。

6. 发明授权

US08279289B2 Optical unit with shake correcting function 有权
标题翻译：具有抖动校正功能的光学单元
公开(公告)号：US08279289B2
公开(公告)日：2012-10-02
申请号：US12579136
申请日：2009-10-14
申请人： Akihiro Nagata , Toshiyuki Karasawa , Yuichi Takei , Tadashi Takeda , Hisahiro Ishihara , Shinji Minamisawa , Katsushige Yanagisawa , Kiyoshi Miyazaki
发明人： Akihiro Nagata , Toshiyuki Karasawa , Yuichi Takei , Tadashi Takeda , Hisahiro Ishihara , Shinji Minamisawa , Katsushige Yanagisawa , Kiyoshi Miyazaki
IPC分类号： H04N5/228 , G02B27/64
CPC分类号： H04N5/2254 , G02B27/646 , H04N5/2257 , H04N5/23248 , H04N5/23287
摘要： An optical unit with shake correcting function may include a movable module having a lens, a fixed body supporting the movable module, a shake detection sensor for detecting shake of the movable module, and at least one pair of magnetic drive mechanism for shake correction which is structured on both sides of the movable module so that the movable module is swung with respect to the fixed body on the basis of detection result of the shake detection sensor to correct the shake of the movable module. The magnetic drive mechanism for shake correction is disposed so that a shake correction magnet is held by the fixed body and a shake correction coil is held by the movable module. Further, a shake correction coil may be disposed in a first region, where magnetic lines of force generated by a shake correction magnet are directed in directions generally going away from a supporting point part and/or a second region where magnetic lines of force generated by the shake correction magnet are directed in directions generally going toward the supporting point part.
摘要翻译：具有抖动校正功能的光学单元可以包括具有透镜的可移动模块，支撑可移动模块的固定体，用于检测可动模块的抖动的抖动检测传感器，以及用于抖动校正的至少一对磁驱动机构，结构在可动模块的两侧，使得可移动模块基于抖动检测传感器的检测结果相对于固定体摆动，以校正可移动模块的抖动。用于抖动校正的磁驱动机构被布置成使得振动校正磁体被固定体保持，并且抖动校正线圈由可移动模块保持。此外，抖动校正线圈可以设置在第一区域中，其中由振动校正磁体产生的磁力线通常沿着远离支撑点部分的方向指向，和/或第二区域，其中由振动校正磁体沿着通常朝向支撑点部分的方向指向。

7. 发明申请

US20120229926A1 LENS DRIVE DEVICE 有权
标题翻译：镜头驱动装置
公开(公告)号：US20120229926A1
公开(公告)日：2012-09-13
申请号：US13510751
申请日：2010-11-13
申请人： Tatsuki Wade , Katsushige Yanagisawa , Shinji Minamisawa , Tadashi Takeda , Kiyoshi Miyazaki , Hisahiro Ishihara
发明人： Tatsuki Wade , Katsushige Yanagisawa , Shinji Minamisawa , Tadashi Takeda , Kiyoshi Miyazaki , Hisahiro Ishihara
IPC分类号： G02B7/04
CPC分类号： G03B5/00 , G02B7/04 , G02B7/08 , G02B27/646
摘要： The lens drive device is equipped with a first supporting body that holds the lens and is movable in the direction of the optical axis, a second supporting body that holds the first supporting body, a fixed body that holds the second supporting body in a manner enabling movement in directions that are roughly orthogonal to the optical axis direction, a first drive mechanism for driving the first supporting body, a second drive mechanism for driving the second supporting body in a first direction, and a third drive mechanism for driving the second supporting body in a second direction. The first supporting body is supported by the second supporting body by means of first supporting members (8, 9), which are formed from an elastic material; and the second supporting body is supported by the fixed body by means of second supporting members, which are formed from an elastic material.
摘要翻译：透镜驱动装置配备有保持透镜并且可沿光轴方向移动的第一支撑体，保持第一支撑体的第二支撑体，以能够支撑第二支撑体的方式固定第二支撑体的固定体在大致正交于光轴方向的方向上的移动，用于驱动第一支撑体的第一驱动机构，用于沿第一方向驱动第二支撑体的第二驱动机构，以及用于驱动第二支撑体的第三驱动机构在第二个方向。第一支撑体借助于由弹性材料形成的第一支撑构件（8,9）由第二支撑体支撑; 并且第二支撑体通过由弹性材料形成的第二支撑构件被固定体支撑。

8. 发明申请

US20110262121A1 Optical Unit with Shake Correction Function, Optical Apparatus, and Method of Manufacturing Optical Unit with Shake Correction Function 有权
标题翻译：具有振动校正功能的光学单元，光学装置和具有振动校正功能的光学单元的制造方法
公开(公告)号：US20110262121A1
公开(公告)日：2011-10-27
申请号：US13124351
申请日：2009-10-02
申请人： Katsushige Yanagisawa , Hisahiro Ishihara , Shinji Minamisawa , Yuichi Takei , Tadashi Takeda , Toshiyuki Karasawa , Akihiro Nagata , Kiyoshi Miyazaki
发明人： Katsushige Yanagisawa , Hisahiro Ishihara , Shinji Minamisawa , Yuichi Takei , Tadashi Takeda , Toshiyuki Karasawa , Akihiro Nagata , Kiyoshi Miyazaki
IPC分类号： G03B17/00 , B23P11/00
CPC分类号： H04N5/2254 , G02B7/08 , G02B27/646 , G03B5/00 , G03B5/02 , G03B17/02 , H04N5/2257 , H04N5/23287 , Y10T29/49826
摘要： An optical unit with shake correcting function may include a movable module on which an optical element is mounted, a fixed body which supports the movable module, a shake detection sensor which detects a shake of the movable module, a shake correction magnetic drive mechanism which swings the movable module on the fixed body on a basis of a detection result of the shake detection sensor to correct the shake of the movable module, and a spring member which is connected with the fixed body and the movable module. A stopper mechanism may be structured between the movable module and the fixed body, and the stopper mechanism may moving ranges of the movable module due to the shake.
摘要翻译：具有抖动校正功能的光学单元可以包括其上安装有光学元件的可移动模块，支撑可移动模块的固定体，检测可移动模块的抖动的抖动检测传感器，摆动的抖动校正磁驱动机构所述可动模块基于所述抖动检测传感器的检测结果来校正所述可移动模块的抖动;以及弹簧构件，其与所述固定体和所述可移动模块连接。可以在可动模块和固定体之间构造止动机构，并且止动机构可以由于抖动而移动可移动模块的范围。

9. 发明授权

US06961297B2 Optical head device 失效
标题翻译：光头设备
公开(公告)号：US06961297B2
公开(公告)日：2005-11-01
申请号：US09900308
申请日：2001-07-06
申请人： Tadashi Takeda
发明人： Tadashi Takeda
IPC分类号： G02B5/18 , G02B5/30 , G11B7/125 , G11B7/135 , G11B7/00
CPC分类号： G11B7/1381 , G11B7/127 , G11B7/1362 , G11B7/1367 , G11B7/1395 , G11B2007/0006
摘要： The present invention provides for a optical head device having a beam-guiding optical device to bring beams of different wavelengths which are emitted by separate light sources together onto the same optical axis or to guide the beams onto a common photo receiving device. The beam-guiding optical device includes an incident plane and an exit plane and the incident plane and the exit plane are back to back. One of the incident plane and the exit plane has a stair-like surface wherein a step height between neighboring treads in the stair-like surface is set to cause a phase difference of n wavelength to one of the beams passing through the neighboring treads and n is equal to 1, 2, 3 . . . .
摘要翻译：本发明提供了一种光学头装置，其具有光束引导光学装置，以将由分离的光源发射的不同波长的光束聚集在同一光轴上或将光束引导到公共的光接收装置上。光束引导光学装置包括入射平面和出射平面，并且入射平面和出射面背靠背。入射面和出射面中的一个具有阶梯状表面，其中台阶状表面中的相邻胎面之间的台阶高度被设置为使n波长的相位差与穿过相邻胎面的光束中的一个相对应，并且n 等于1，2，3。。。。

10. 发明授权

US6167017A Optical head assembly having means for detecting tracking errors based on astigmatisms generated by returning beams 失效
标题翻译：光头组件具有用于基于由返回光束产生的像散来检测跟踪误差的装置
公开(公告)号：US6167017A
公开(公告)日：2000-12-26
申请号：US78911
申请日：1998-05-14
申请人： Kazuo Higashiura , Tadashi Takeda
发明人： Kazuo Higashiura , Tadashi Takeda
IPC分类号： G11B7/00 , G11B7/09 , G11B7/13 , G11B7/135
CPC分类号： G11B7/131 , G11B7/0903 , G11B7/0909 , G11B7/1353 , G11B2007/0006
摘要： In accordance with the invention, an optical head assembly comprises a laser light source, an objective lens for converging light emitted from the laser light source onto an recording surface of an optical recording medium, an optical detector device for detecting the light reflected upon the recording surface, a modulating diffraction grating for splitting the light emitted from the laser light source into 0th-order beam, +1st-order beam and -1st-order beam in a track direction of the recording surface, emitting the three beams toward the center of the track of the recording surface, and causing, with respect to the +1st-order beam and -1st-order beam, astigmatisms of different focal points in a direction orthogonal to the track direction, and a light-guiding device for guiding three returning beams reflected from the recording surface to the optical detector device. The optical detector means is equipped with an optical detecting portion for detecting recording signals that receives the 0th-order beam of the three returning beams and an optical detecting portion for detecting tracking errors that detects tracking error signals based on the astigmatisms generated to the +1st-order beam and -1st-order beam of the three returning beams, astigmatisms having different focal points in the direction orthogonal to the track direction.
摘要翻译：根据本发明，光头组件包括激光光源，用于将从激光光源发射的光会聚在光记录介质的记录表面上的物镜，用于检测记录反射的光的光检测器装置表面，用于将从激光光源发射的光分解成记录表面的轨道方向上的0级光束，+一级光束和-1级光束的调制衍射光栅，将三束光束朝向记录表面的轨道，并且相对于+ 1级光束和-1级光束，在与轨道方向正交的方向上的不同焦点的像散，以及用于引导三个返回的光引导装置从记录表面反射到光学检测器装置的光束。光检测器装置配备有用于检测接收三个返回光束的0级光束的记录信号的光学检测部分和用于检测跟踪误差的光学检测部分，该光学检测部分基于对+ 1生成的散光来检测跟踪误差信号三个返回光束的顺序光束和-1阶光束，在与光道方向正交的方向上具有不同焦点的像散。

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