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. 发明授权

US08238220B2 Pickup device 失效
标题翻译：拾取装置
公开(公告)号：US08238220B2
公开(公告)日：2012-08-07
申请号：US12376595
申请日：2006-10-04
申请人： Makoto Sato , Masakazu Ogasawara , Takuma Yanagisawa
发明人： Makoto Sato , Masakazu Ogasawara , Takuma Yanagisawa
IPC分类号： G11B7/00 , G11B7/135
CPC分类号： G11B7/0901 , G11B7/0909 , G11B7/133 , G11B7/1353 , G11B2007/0013
摘要： A pickup device comprising an irradiation optical system including an objective lens to focus a ray bundle on a track of a recording surface of an optical recording medium to form a light spot, and a detection optical system including a photo detector to receive return light reflected from the light spot via the objective lens and perform photoelectric conversion and controls said objective lens in position according to electrical signals produced through operations on outputs of said photo detector.
摘要翻译：一种拾取装置，包括：包括物镜的照射光学系统，用于将光束聚焦在光记录介质的记录表面的轨道上以形成光点;以及检测光学系统，包括光电检测器，用于接收从通过物镜进行光点并执行光电转换，并且根据通过对所述光电检测器的输出进行的操作产生的电信号将所述物镜控制在适当位置。

2. 发明申请

US20090310469A1 OPTICAL PICKUP APPARATUS 失效
公开(公告)号：US20090310469A1
公开(公告)日：2009-12-17
申请号：US12521959
申请日：2007-01-05
申请人： Takuma Yanagisawa , Masakazu Ogasawara , Makoto Sato
发明人： Takuma Yanagisawa , Masakazu Ogasawara , Makoto Sato
IPC分类号： G11B7/135
CPC分类号： G11B7/133 , G11B7/0903 , G11B7/094 , G11B7/131
摘要： An optical pickup apparatus reads an information signal recorded on a recording surface of an optical disk along a track by projecting a light beam. Said optical pickup apparatus has: an objective lens for converging said light beam onto said recording surface; an objective lens moving device for moving said objective lens in a radial direction of said optical disk; and a divisional photosensing device for receiving return light reflected by said optical disk, in a plurality of divided regions. Said divisional photosensing device has: a first divisional photosensing device for dividing a first region including both edge portions in said radial direction of said return light, in two divided areas in said radial direction; a second divisional photosensing device for receiving a second region including both edge portions in a direction which perpendicularly crosses said radial direction of said return light, in two divided areas in said radial direction; and a third divisional photosensing device for receiving a third region including an almost center portion of said return light, in two divided areas in said radial direction.
摘要翻译：光拾取装置通过投影光束沿着轨道读取记录在光盘的记录表面上的信息信号。所述光学拾取装置具有：用于将所述光束会聚到所述记录表面上的物镜; 用于在所述光盘的径向上移动所述物镜的物镜移动装置; 以及分割光敏装置，用于在多个分割区域中接收由所述光盘反射的返回光。所述分光感测装置具有：第一分光感测装置，用于在所述径向方向上的两个分割区域中分割包括所述返回光的所述径向方向上的两个边缘部分的第一区域; 第二分光光感测装置，用于在所述径向方向的两个分割区域中接收包括垂直于所述返回光的所述径向方向的两个边缘部分的第二区域; 以及第三分光感测装置，用于在所述径向方向上的两个分割区域中接收包括所述返回光的几乎中心部分的第三区域。

3. 发明授权

US07969836B2 Optical pickup apparatus 失效
标题翻译：光拾取装置
公开(公告)号：US07969836B2
公开(公告)日：2011-06-28
申请号：US12521959
申请日：2007-01-05
申请人： Takuma Yanagisawa , Masakazu Ogasawara , Makoto Sato
发明人： Takuma Yanagisawa , Masakazu Ogasawara , Makoto Sato
IPC分类号： G11B7/00
CPC分类号： G11B7/133 , G11B7/0903 , G11B7/094 , G11B7/131
摘要： An optical pickup apparatus reads an information signal recorded on a recording surface of an optical disk along a track by projecting a light beam. Said optical pickup apparatus has: an objective lens for converging said light beam onto said recording surface; an objective lens moving device for moving said objective lens in a radial direction of said optical disk; and a divisional photosensing device for receiving return light reflected by said optical disk, in a plurality of divided regions. Said divisional photosensing device has: a first divisional photosensing device for dividing a first region including both edge portions in said radial direction of said return light, in two divided areas in said radial direction; a second divisional photosensing device for receiving a second region including both edge portions in a direction which perpendicularly crosses said radial direction of said return light, in two divided areas in said radial direction; and a third divisional photosensing device for receiving a third region including an almost center portion of said return light, in two divided areas in said radial direction.
摘要翻译：光拾取装置通过投影光束沿着轨道读取记录在光盘的记录表面上的信息信号。所述光学拾取装置具有：用于将所述光束会聚到所述记录表面上的物镜; 用于在所述光盘的径向上移动所述物镜的物镜移动装置; 以及分割光敏装置，用于在多个分割区域中接收由所述光盘反射的返回光。所述分光感测装置具有：第一分光感测装置，用于在所述径向方向上的两个分割区域中分割包括所述返回光的所述径向方向上的两个边缘部分的第一区域; 第二分光光感测装置，用于在所述径向方向的两个分割区域中接收包括垂直于所述返回光的所述径向方向的两个边缘部分的第二区域; 以及第三分光感测装置，用于在所述径向方向上的两个分割区域中接收包括所述返回光的几乎中心部分的第三区域。

4. 发明申请

US20090278029A1 PICKUP DEVICE 审中-公开
标题翻译：扒手装置
公开(公告)号：US20090278029A1
公开(公告)日：2009-11-12
申请号：US12441839
申请日：2006-11-01
申请人： Masakazu Ogasawara , Takuma Yanagisawa , Makoto Sato
发明人： Masakazu Ogasawara , Takuma Yanagisawa , Makoto Sato
IPC分类号： G02B27/40 , G02B27/64
CPC分类号： G11B7/094 , G11B7/131 , G11B7/133 , G11B7/1353 , G11B7/1395 , G11B2007/0013
摘要： A pickup device includes an irradiation optical system containing an objective lens for forming a spot by converging a light beam onto a track of a recording surface of an optical recording medium having a plurality of laminated recording layers; and a detection optical system containing a photodetector for receiving, through the objective lens, return light which was reflected and returned from the spot to perform a photoelectric conversion, in which a position of the objective lens is controlled in response to an electric signal arithmetically operated from an output of the photodetector. The photodetector includes a plurality of photosensing element groups which are arranged away from each other on a plane to which an optical axis of the return light penetrates perpendicularly and each of the groups is composed of a plurality of photosensing elements. The pickup device further comprises a dividing element disposed on another plane to which the optical axis of the return light penetrates perpendicularly. The dividing element has: at least two division regions which are formed so as to be line-symmetrical with respect to a track directional line which intersects with the optical axis of the return light and extends in parallel with the track; at least two division regions which are formed so as to be line-symmetrical with respect to a track vertical line which intersects with the optical axis of the return light and extends in the direction perpendicular to the track; and a center division region which includes the optical axis of the return light and is formed so as to be point-symmetrical with respect to the optical axis of the return light. The dividing element divides the return light into a plurality of partial light beams at respective division regions to deflecting the partial light beams from the division regions other than the center division region to the photosensing element groups.
摘要翻译：拾取装置包括照射光学系统，其包含用于通过将光束会聚到具有多个层压记录层的光学记录介质的记录表面的轨道上而形成点的物镜; 以及检测光学系统，其包含光检测器，用于通过物镜接收从点反射和返回的返回光，以进行光电转换，其中物镜的位置响应于电信号被算术运算从光电检测器的输出。光电检测器包括多个光敏元件组，它们在返回光的光轴垂直穿过的平面上彼此远离布置，并且每个组由多个感光元件组成。拾取装置还包括设置在返回光的光轴垂直穿过的另一平面上的分隔元件。分割元件具有至少两个划分区域，其形成为相对于与返回光的光轴相交并且与轨道平行延伸的轨道方向线线对称; 至少两个划分区域，其形成为相对于与返回光的光轴相交的轨道垂直线线性对称，并且在垂直于轨道的方向上延伸; 以及包括返回光的光轴并形成为相对于返回光的光轴点对称的中心分割区域。分割元件将返回光分成各个分割区域的多个局部光束，以将来自除了中心分割区域之外的分割区域的部分光束偏转到光敏元件组。

5. 发明授权

US07151736B2 Objective lens and optical pickup device 失效
标题翻译：物镜和光学拾取装置
公开(公告)号：US07151736B2
公开(公告)日：2006-12-19
申请号：US10655349
申请日：2003-09-05
申请人： Takuma Yanagisawa , Makoto Sato
发明人： Takuma Yanagisawa , Makoto Sato
IPC分类号： G11B7/00
CPC分类号： G11B7/13927 , G11B7/1369 , G11B7/1374 , G11B2007/0006 , G11B2007/0013 , G11B2007/13727
摘要： An objective lens for converging light onto an information recording medium includes a refracting interface for converging an incident light into a convergent light, and a refractive index varying member disposed between the refracting interface and the information recording medium, and having a refractive index that is varied according to an externally applied voltage.
摘要翻译：用于将光会聚在信息记录介质上的物镜包括用于将入射光会聚到会聚光的折射界面和设置在折射界面和信息记录介质之间并具有变化的折射率的折射率变化部件根据外部施加的电压。

6. 发明申请

US20100177619A1 PICKUP DEVICE 失效
标题翻译：扒手装置
公开(公告)号：US20100177619A1
公开(公告)日：2010-07-15
申请号：US12376595
申请日：2006-10-04
申请人： Makoto Sato , Masakazu Ogasawara , Takuma Yanagisawa
发明人： Makoto Sato , Masakazu Ogasawara , Takuma Yanagisawa
IPC分类号： G11B7/00
CPC分类号： G11B7/0901 , G11B7/0909 , G11B7/133 , G11B7/1353 , G11B2007/0013
摘要： A pickup device which, focusing a ray bundle on a track of a recording surface of an optical recording medium to form a light spot, comprises a detection optical system including a photo detector to receive return light reflected from the light spot via an objective lens and perform photoelectric conversion. The photo detector has at least two photoreceptor sections positioned axis-symmetrical with respect to a detection-side division line extending through an optical axis of the return light and parallel to the track. A dividing element placed in an optical path between the photo detector and the objective lens includes at least two inner divided areas positioned axis-symmetrical with respect to a deflection-side division line extending through the optical axis of the return light and parallel to the track, and at least two outer divided areas positioned sandwiching the inner divided areas and axis-symmetrical with respect to the deflection-side division line. The inner divided areas are formed such that parts of a light beam from the other region than overlap regions, divided axis-symmetrically along the deflection-side division line, are exchanged in position across the detection-side division line and directed to the photoreceptor sections of the photo detector so as to be axis-symmetrical with respect to the detection-side division line.
摘要翻译：一种拾取装置，其将光束聚焦在光记录介质的记录表面的轨道上以形成光点，包括检测光学系统，其包括光电检测器，以接收经由物镜从光点反射的返回光;以及执行光电转换。光检测器具有至少两个相对于延伸通过返回光的光轴并平行于轨道的检测侧分割线轴对称的感光体部分。放置在光检测器和物镜之间的光路中的分隔元件包括至少两个相对于延伸穿过返回光的光轴并平行于轨道的偏转侧分割线轴对称的内分割区域以及至少两个外分割区域，其定位为夹着内分割区域并相对于偏转侧分割线轴对称。内部分割区域被形成为使得来自另一区域的光束的部分比沿着偏转侧分割线轴对称分割的重叠区域的部分在检测侧分割线上交替位置并且被引导到感光体部分的光检测器相对于检测侧分割线轴对称。

7. 发明授权

US07903048B2 Information display apparatus and navigation apparatus 失效
标题翻译：信息显示装置和导航装置
公开(公告)号：US07903048B2
公开(公告)日：2011-03-08
申请号：US11629902
申请日：2005-06-16
申请人： Takuma Yanagisawa
发明人： Takuma Yanagisawa
IPC分类号： G09G5/00
CPC分类号： G01C21/36 , G02B27/01 , G02B2027/0118 , G02B2027/014 , G08G1/0969 , G09B29/108 , G09G3/34 , G09G2300/08
摘要： In an information display apparatus such as a head-up display, while safety is being secured, visibility from a user is improved. Image data having an object such as an arrow showing an advancing direction or a road sign drawn on it are generated as information to be given to the user by a display information generating section 12 and is output to a projector 13. When a light beam R1 corresponding to the image data is emitted from the projector 13 to a combiner 14, reflected light of the light beam R1 and transmitted light of external light R2 are combined in the combiner 14, so as to be viewed by the user. At this time, the display information generating section 12 outputs coordinate values showing a display position of the object to a transmittance control section 16, and the transmittance control section 16 specifies a display region of the object based on the coordinate values, and reduces the transmittance in the specified region of the light control panel 15 so as to reduce a transmitting amount of the external light R2.
摘要翻译：在诸如平视显示器的信息显示装置中，在确保安全性的同时，提高了用户的可视性。作为通过显示信息生成部12向用户提供的信息生成具有诸如表示前进方向的箭头的图像数据的图像数据，并且将其输出到投影仪13.当光束R1 对应于图像数据从投影仪13发射到组合器14，将光束R1的反射光和外部光R2的透射光组合在组合器14中，以供用户观看。此时，显示信息生成部12将表示对象的显示位置的坐标值输出到透射率控制部16，透射率控制部16基于坐标值指定对象的显示区域，并且降低透射率在光控制面板15的指定区域中，以减少外部光R2的透射量。

8. 发明授权

US07835237B2 Optical pickup device and information recording/reproducing apparatus 失效
标题翻译：光学拾取装置和信息记录/再现装置
公开(公告)号：US07835237B2
公开(公告)日：2010-11-16
申请号：US11995746
申请日：2006-07-13
申请人： Yasuo Tanahashi , Takuma Yanagisawa
发明人： Yasuo Tanahashi , Takuma Yanagisawa
IPC分类号： G11B7/00
CPC分类号： G11B7/0903 , G11B2007/0006
摘要： There are obtainable reliable and proper tracking correction and CTC even when fluctuations occur in an irradiation position of a sub-beam in a track at the time of performing tracking correction and CTC using three beams. Five beams (a main beam, sub-beams inA and inB, and sub-beams outA and outB) are generated. Reflection beams of the five beams are received, and a differential push pull signal DPPin corresponding to the sub-beams “in” as ± first-order beams and a differential push pull signal DPPout corresponding to the sub-beams “out” as ± second-order beams are generated. By assigning weights to the differential push pull signals DPPin and DPPout and computing the sum of the weighted signals, a tracking error signal Ste having an amplitude value which can perform tracking correction is generated.
摘要翻译：即使在执行跟踪校正时在轨道中的子光束的照射位置发生波动并且使用三个光束也可以获得可靠和适当的跟踪校正和CTC。生成五个光束（主光束，A和InB中的子光束，以及子光束outA和outB）。接收五个光束的反射光束，对应于子光束“in”的差分推挽信号DPPin为±一阶光束，对应于子光束“out”的差分推挽信号DPPout为±秒生成顺序波束。通过对差分推挽信号DPPin和DPPout分配权重并计算加权信号的和，产生具有能够执行跟踪校正的振幅值的跟踪误差信号Ste。

9. 发明申请

US20090103417A1 OPTICAL PICKUP DEVICE AND INFORMATION RECORDING/REPRODUCING APPARATUS 失效
标题翻译：光学拾取装置和信息记录/再现装置
公开(公告)号：US20090103417A1
公开(公告)日：2009-04-23
申请号：US11995746
申请日：2006-07-13
申请人： Yasuo Tanahashi , Takuma Yanagisawa
发明人： Yasuo Tanahashi , Takuma Yanagisawa
IPC分类号： G11B7/00
CPC分类号： G11B7/0903 , G11B2007/0006
摘要： There are obtainable reliable and proper tracking correction and CTC even when fluctuations occur in an irradiation position of a sub-beam in a track at the time of performing tracking correction and CTC using three beams. Five beams (a main beam, sub-beams inA and inB, and sub-beams outA and outB) are generated. Reflection beams of the five beams are received, and a differential push pull signal DPPin corresponding to the sub-beams “in” as ± first-order beams and a differential push pull signal DPPout corresponding to the sub-beams “out” as ± second-order beams are generated. By assigning weights to the differential push pull signals DPPin and DPPout and computing the sum of the weighted signals, a tracking error signal Ste having an amplitude value which can perform tracking correction is generated.
摘要翻译：即使在执行跟踪校正时在轨道中的子光束的照射位置发生波动并且使用三个光束也可以获得可靠和适当的跟踪校正和CTC。生成五个光束（主光束，A和InB中的子光束，以及子光束outA和outB）。接收五个光束的反射光束，对应于子光束“in”的差分推挽信号DPPin为±一阶光束，对应于子光束“out”的差分推挽信号DPPout为±秒生成顺序波束。通过对差分推挽信号DPPin和DPPout分配权重并计算加权信号的和，产生具有能够执行跟踪校正的振幅值的跟踪误差信号Ste。

10. 发明申请

US20070285338A1 Video Display System and Video Display Method 失效
标题翻译：视频显示系统和视频显示方式
公开(公告)号：US20070285338A1
公开(公告)日：2007-12-13
申请号：US11662946
申请日：2005-08-25
申请人： Takuma Yanagisawa
发明人： Takuma Yanagisawa
IPC分类号： G09G5/00
CPC分类号： G02B27/0101 , G02B2027/0127 , G02B2027/0138 , H04N5/23293 , H04N5/2621 , H04N5/272
摘要： An image display system includes a camera that shoots a background, a monitor that displays a shot background image, and an optical lens arranged between a display surface of the monitor and an observer. An imaginary image, obtained due to presence of the optical lens, of the monitor image is made to substantially match with a background surface. As a result, when the observer views the background through the monitor, the monitor image and the background look continuous to him.
摘要翻译：图像显示系统包括拍摄背景的相机，显示拍摄背景图像的监视器和布置在监视器的显示表面和观察者之间的光学透镜。使得由于光学透镜的存在而获得的监视图像的假想图像与背景表面基本匹配。结果，当观察者通过监视器观看背景时，监视器图像和背景看起来与他连续。

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