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    • 4. 发明申请
    • Disc apparatus
    • 盘装置
    • US20070283375A1
    • 2007-12-06
    • US11652256
    • 2007-01-10
    • Kiyofumi MiyakeTakao NaitoAkinori ShiozawaHisataka Sugiyama
    • Kiyofumi MiyakeTakao NaitoAkinori ShiozawaHisataka Sugiyama
    • G11B17/03
    • G11B17/028G11B17/0282G11B33/1426
    • An optical disc apparatus capable of restraining thermal deformation of an optical disc due to transmission of a heat from a spindle motor to the disc, comprises a turn table rotated by the spindle motor, for holding the disc, a bearing portion provided in the spindle motor, for holding a rotary shaft of the table, and a cooling element provided at the outer periphery of the bearing portion, for thermoelectrically cooling the bearing portion. The bearing portion can be directly cooled by the cooling element. Since the heat from the spindle motor is transmitted to the table through the bearing portion, the heat generated from the motor can be prevented from being transmitted to the table by cooling the bearing portion, and further, the table can be cooled. Thus, no heat is transmitted from the table to the optical disc, thereby thermal deformation of the optical disc can be retrained.
    • 一种光盘装置,其能够抑制由于主轴电动机向盘的传递而导致的光盘的热变形,包括由主轴电动机旋转的用于保持盘的转台,设置在主轴电动机中的轴承部 ,用于保持工作台的旋转轴,以及设置在轴承部分的外周的冷却元件,用于对轴承部分进行热电冷却。 轴承部分可以被冷却元件直接冷却。 由于来自主轴电动机的热量通过轴承部分传递到工作台,所以可以通过冷却轴承部分来防止从电动机产生的热量传递到工作台,并且还可以冷却工作台。 因此,没有热量从工作台传递到光盘,从而可以再培养光盘的热变形。
    • 5. 发明申请
    • Disk apparatus
    • 磁盘设备
    • US20070283376A1
    • 2007-12-06
    • US11698443
    • 2007-01-26
    • Takao NaitoKazuyuki KodamaAkinori ShiozawaHisataka Sugiyama
    • Takao NaitoKazuyuki KodamaAkinori ShiozawaHisataka Sugiyama
    • G11B17/028G11B19/20
    • G11B17/0282
    • There is provided an optical disk apparatus that can inhibit, during recording or reproduction of data on or from an optical disk, a side runout that may occur in the optical disk in its circumferential direction as a result of Coriolis force when a disk rotating shift is subjected to procession movement, thereby allowing recording and reproducing quality to be stabilized and a reduced size of the apparatus. The disk apparatus provided has pressure pawls arranged at intervals smaller than those in the prior art, each of which is provided with a plurality of pressing points arranged at intervals larger than those in the prior art. Particularly, an interval between the pressure pawls is an acute angle in terms of the center angle of the disk. An interval between the pressing points is an angle of 35° or larger.
    • 提供了一种光盘装置,其可以在光盘上或从光盘上记录或再现数据时抑制在光盘旋转移位时作为科里奥利力的结果可能在其圆周方向上出现的侧面跳动 进行游行移动,从而允许记录和再现质量稳定并减小设备的尺寸。 所提供的盘装置具有比现有技术中间隔小的间隔设置的压力爪,每一压力爪设置有多个按现有技术的间隔排列的按压点。 特别地,按照盘的中心角度,压爪之间的间隔是锐角。 按压点之间的间隔为35°以上的角度。
    • 6. 发明授权
    • Optical disk apparatus and tilt control method thereof
    • 光盘装置及其倾斜控制方法
    • US07940616B2
    • 2011-05-10
    • US12430141
    • 2009-04-27
    • Akinori ShiozawaKouji MinabeKazunori Uemura
    • Akinori ShiozawaKouji MinabeKazunori Uemura
    • G11B15/52
    • G11B7/0956
    • An optical disk apparatus which can carry out tilt control using a signal of a focus control system so as to improve the recording/reproducing performance of an optical disk. The optical disk apparatus includes a motor which rotates the optical disk, an optical pickup which reads at least information from the optical disk being rotated by the motor, a first memory which uses information of a rotation angle of the optical disk from the optical pickup as an address, a second memory which stores an offset by which information stored in the first memory should be shifted and then read, and a control portion which reads the information stored in the first memory after shifting the information by the offset stored in the second memory and which carries out tilt control using the read information.
    • 一种光盘装置,其可以使用聚焦控制系统的信号进行倾斜控制,以便提高光盘的记录/再现性能。 光盘装置包括使光盘旋转的马达,至少读取由马达旋转的光盘的信息的光学拾取器,使用来自光学拾取器的光盘旋转角度的信息的第一存储器 一个地址,一个第二存储器,存储偏移量,通过该偏移量存储在第一存储器中的信息应该被移位然后被读取;以及控制部分,其在通过存储在第二存储器中的偏移量之后读取存储在第一存储器中的信息 并且使用所读取的信息进行倾斜控制。
    • 8. 发明申请
    • IMAGE DEVICE, SURVEILLANCE CAMERA, AND MASK METHOD OF CAMERA SCREEN
    • 图像设备,监视摄像机和相机屏幕掩蔽方法
    • US20130070092A1
    • 2013-03-21
    • US13571899
    • 2012-08-10
    • Hiroyuki MIYAHARAMakoto AsukaAkinori Shiozawa
    • Hiroyuki MIYAHARAMakoto AsukaAkinori Shiozawa
    • H04N5/232H04N7/18
    • G08B13/19686H04N5/232H04N5/23206H04N5/23296
    • In a microcomputer included in an image device, a mask 2D 3D converting section expresses coordinates of a 2-dimensional image plane defined by an imaging element having a rectangular contour in a 3-dimensional coordinate system. The image plane is positioned in the state that a focal length corresponding to a zoom position is adopted as a Z coordinate value of the image plane in the 3-dimensional coordinate system. A mask display position calculating section 165 calculates a 2-dimensional position of a mask on a camera screen by utilizing a similarity of the size of the image plane and the size of the camera screen when a position of a mask on the image plane in the 3-dimensional coordinate system after PAN, TILT rotations and a zooming is converted into the 2-dimensional position of the mask on the camera screen.
    • 在包含在图像装置中的微计算机中,掩模2D 3D转换部分表示由具有矩形轮廓的成像元件在3维坐标系中定义的2维图像平面的坐标。 图像平面被定位为在三维坐标系中采用与变焦位置相对应的焦距作为图像平面的Z坐标值的状态。 掩模显示位置计算部165通过利用图像平面的尺寸和相机屏幕的尺寸的相似度来计算相机屏幕上的掩模的二维位置,当掩模在图像平面上的位置在 PAN,TILT旋转和缩放后的三维坐标系转换为相机屏幕上的蒙版的二维位置。
    • 9. 发明授权
    • Image device, surveillance camera, and mask method of camera screen
    • 图像设备,监控摄像机和相机屏幕的屏蔽方法
    • US08721197B2
    • 2014-05-13
    • US13571899
    • 2012-08-10
    • Hiroyuki MiyaharaMakoto AsukaAkinori Shiozawa
    • Hiroyuki MiyaharaMakoto AsukaAkinori Shiozawa
    • G03B17/00G08B13/196
    • G08B13/19686H04N5/232H04N5/23206H04N5/23296
    • In a microcomputer included in an image device, a mask 2D 3D converting section expresses coordinates of a 2-dimensional image plane defined by an imaging element having a rectangular contour in a 3-dimensional coordinate system. The image plane is positioned in the state that a focal length corresponding to a zoom position is adopted as a Z coordinate value of the image plane in the 3-dimensional coordinate system. A mask display position calculating section 165 calculates a 2-dimensional position of a mask on a camera screen by utilizing a similarity of the size of the image plane and the size of the camera screen when a position of a mask on the image plane in the 3-dimensional coordinate system after PAN, TILT rotations and a zooming is converted into the 2-dimensional position of the mask on the camera screen.
    • 在包含在图像装置中的微计算机中,掩模2D 3D转换部分表示由具有矩形轮廓的成像元件在3维坐标系中定义的2维图像平面的坐标。 图像平面被定位为在三维坐标系中采用与变焦位置相对应的焦距作为图像平面的Z坐标值的状态。 掩模显示位置计算部165通过利用图像平面的尺寸和相机屏幕的尺寸的相似度来计算相机屏幕上的掩模的二维位置,当掩模在图像平面上的位置在 PAN,TILT旋转和缩放后的三维坐标系转换为相机屏幕上的蒙版的二维位置。