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    • 5. 发明授权
    • Image reading apparatus for correcting density levels
    • 用于校正浓度水平的图像读取装置
    • US5608823A
    • 1997-03-04
    • US327807
    • 1994-10-24
    • Kazuo Ohtani
    • Kazuo Ohtani
    • G06T5/40G06K9/38
    • G06T5/40G06T5/009
    • An image reading apparatus includes an image sensing unit for photoelectrically reading an original image, and outputting an image signal, a converter unit for converting the image signal from the image sensing unit into density data representing density levels of a plurality of steps, a detection unit for detecting frequencies of appearance in units of density levels of the density data from the converter unit, and a correction unit for correcting the density levels expressed by the density data from the converter unit on the basis of the frequencies of appearance detected by the detection unit.
    • 图像读取装置包括用于光电读取原始图像并输出图像信号的图像感测单元,用于将来自图像感测单元的图像信号转换为表示多个步骤的浓度水平的密度数据的转换器单元,检测单元 用于检测来自转换器单元的浓度数据的密度级别的出现频率;以及校正单元,用于根据由检测单元检测到的出现频率来校正由转换器单元的浓度数据表示的浓度水平 。
    • 6. 发明授权
    • Device for preventing slipping of turntable out of shaft
    • 用于防止转盘从轴上滑动的装置
    • US4176847A
    • 1979-12-04
    • US872753
    • 1978-01-27
    • Norio AkaiNobumasa InoueKazuo Ohtani
    • Norio AkaiNobumasa InoueKazuo Ohtani
    • G11B3/60G11B19/20
    • G11B19/2009
    • The invention relates to a device for preventing a turntable for a record player from slipping off a shaft rotatably extending through a boss made of a metal fixed to the turntable. The turntable has integrally formed therewith slot means for receiving two bent ends of leg portions of a generally U-shaped retainer spring and a plurality of support projections. With the slot means and the plurality of support projections, the retainer spring is mounted to the turntable such that the leg portions thereof extend substantially in parallel to each other and across a circular axial end of the boss. The shaft is formed with a radial groove to receive the leg portions of the retainer spring. The plurality of support projections will serve as a spacer to keep the leg portions apart to prevent interference contact bwtween the leg portions and a bottom wall of the radial groove which otherwise would hamper smooth rotation of a turntable.
    • 本发明涉及一种用于防止记录播放器的转盘从可转动地延伸穿过由固定在转盘上的金属制成的凸台的轴上的装置。 所述转台与其一体地形成有槽装置,用于容纳大致U形保持器弹簧和多个支撑突起的腿部的两个弯曲端。 利用槽装置和多个支撑突起,保持器弹簧被安装到转台上,使得其脚部基本上彼此平行延伸并且跨过凸台的圆形轴向端延伸。 轴形成有径向凹槽以接收保持弹簧的腿部。 多个支撑突起将用作间隔件以保持腿部分开,以防止腿部和径向凹槽的底壁之间的干涉接触,否则将妨碍转盘的平滑旋转。