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    • 32. 发明授权
    • Objective lens drive apparatus used in optical information
recording/reproducing apparatus
    • 用于光信息记录/重放装置的物镜驱动装置
    • US5463612A
    • 1995-10-31
    • US298313
    • 1994-09-01
    • Nobuaki Date
    • Nobuaki Date
    • G11B7/085G11B7/08
    • G11B7/08582
    • An objective lens drive apparatus is used in an optical information recording/reproducing apparatus to conduct recording and reproducing of information by radiating a light spot onto a disk recording medium. The objective lens drive apparatus includes an objective lens, an objective lens holding member for holding the objective lens, and a support member for supporting the objective lens holding member movable in a radial direction of the recording medium. In the objective lens drive apparatus, the support member includes a first plate spring fixed to the drive apparatus at one end thereof and extending in a direction perpendicular to a movement direction of the objective lens holding member away from the objective lens holding member, and a second plate spring fixed to a side of the objective lens holding member at one end thereof and extending in the direction perpendicular to the movement direction of the objective lens holding member to be connected to the first plate spring at the other end thereof.
    • 在光信息记录/再现装置中使用物镜驱动装置,通过将光点照射到盘记录介质上来进行信息的记录和再现。 物镜驱动装置包括物镜,用于保持物镜的物镜保持部件和用于支撑可沿记录介质的径向移动的物镜保持部件的支撑部件。 在物镜驱动装置中,支撑构件包括:第一板簧,其一端固定在驱动装置上,并且沿与物镜保持构件的移动方向垂直的方向远离物镜保持构件延伸; 第二板簧在其一端固定在物镜保持构件的一侧,并且在与物镜保持构件的移动方向垂直的方向上延伸,以在另一端连接到第一板簧。
    • 36. 发明授权
    • Exposure information setting device for camera
    • 相机曝光信息设定装置
    • US4089011A
    • 1978-05-09
    • US737345
    • 1976-11-01
    • Nobuaki DateYoshiaki WatanabeAkio SunouchiYukio MashimoFumio ItoTadashi Ito
    • Nobuaki DateYoshiaki WatanabeAkio SunouchiYukio MashimoFumio ItoTadashi Ito
    • G03B7/091G03B7/093G03B17/20G03B7/08G03B17/00
    • G03B7/093G03B17/20
    • The present invention relates to an exposure information setting device for a camera having a digital control system in which the aperture value of the lens is applied to the exposure amount control circuit as digital information by means of the aperture value setting mechanism. The device is so designed that the first comb tooth shaped conductor pattern and the second comb tooth shaped conductor pattern are arranged in parallel with each other in such a manner that a phase difference takes place between them. A pair of series of pulses are obtained by making the contact in functional engagement with the aperture value setting operation, moving slidingly over the first and the second conductor patterns. The direction along which the aperture value information varies is detectable by applying the pair of series of pulses thus obtained to the exposure operational circuit through the phase sorting circuit.
    • 本发明涉及一种具有数字控制系统的相机的曝光信息设定装置,其中通过光圈值设定机构将透镜的光圈值作为数字信息施加到曝光量控制电路。 该装置被设计成使得第一梳齿形导体图案和第二梳齿形导体图案彼此平行地布置,使得它们之间发生相位差。 通过使接触与孔径值设定操作功能接合而获得一对脉冲序列,滑动地移动到第一和第二导体图案上。 孔径值信息变化的方向可以通过将这样获得的一对脉冲序列通过相位分类电路施加到曝光操作电路来检测。
    • 37. 发明授权
    • Digital image recording and/or reproducing apparatus using a plurality of compression methods
    • 使用多种压缩方法的数字图像记录和/或再现装置
    • US06192190B1
    • 2001-02-20
    • US08453489
    • 1995-05-30
    • Akihiko TojoToshihiko MimuraYoshitaka MurataNobuaki DateKan TakaiwaHideaki KawamuraHiroyuki HoriiTakashi SuzukiSeiichi Ozaki
    • Akihiko TojoToshihiko MimuraYoshitaka MurataNobuaki DateKan TakaiwaHideaki KawamuraHiroyuki HoriiTakashi SuzukiSeiichi Ozaki
    • H04N592
    • H04N9/7921H04N5/772H04N9/8042H04N9/8063
    • A digital image recording and/or reproducing apparatus using a plurality of compression methods may include, in a recording section, (a) data compression circuitry, including a plurality of compression circuits which have different compression methods, for changing a compression rate for input digital image data by changing a combination of the plurality of compression circuits compressing the digital input image data and (b) circuitry for recording (1) the digital image data compressed by the data compressing circuit and (2) data representing the compression rate of the digital image data compressed by the data compressing circuit. The apparatus may include a reproducing section having (a) a reproducing circuit for reproducing from the recording medium the digital image data compressed with the compression rate provided by the combination of different compression methods, (b) detecting circuitry for detecting the data representing the predetermined compression rate stored on the recording medium, and (c) reconstruction circuitry for reconstructing the digital image data reproduced by the reproducing circuitry according to the representing data detected by the detecting circuitry.
    • 使用多种压缩方法的数字图像记录和/或再现装置可以在记录部分中包括(a)数据压缩电路,包括具有不同压缩方法的多个压缩电路,用于改变输入数字的压缩率 通过改变压缩数字输入图像数据的多个压缩电路的组合的图像数据和(b)用于记录的电路(1)由数据压缩电路压缩的数字图像数据和(2)表示数字压缩电路的压缩率的数据 由数据压缩电路压缩的图像数据。 该装置可以包括:再现部分,具有(a)再现电路,用于从记录介质再现以不同压缩方法的组合提供的压缩率压缩的数字图像数据,(b)检测电路,用于检测表示预定 存储在记录介质上的压缩率,以及(c)重建电路,用于根据由检测电路检测到的表示数据来重建由再现电路再现的数字图像数据。
    • 40. 发明授权
    • Optical head for recording, reproducing, or erasing information having
fixed and movable head units
    • 用于记录,再现或擦除具有固定和可动头单元的信息的光头
    • US5311489A
    • 1994-05-10
    • US9351
    • 1993-01-26
    • Yasuo SuzukiNobuaki Date
    • Yasuo SuzukiNobuaki Date
    • G11B7/085G11B7/00
    • G11B7/08582
    • An optical head for recording, reproducing, or erasing information by projecting a light beam onto a disk-like recording medium. The optical head includes a fixed head unit having a light source for generating the light beam and a sensor for receiving light reflected from the disk-like recording medium which was generated by the light source and projected onto the disk-like recording medium. The head also includes a movable head unit movable in the radial direction of the disk-like recording medium toward the fixed head unit. The movable head unit has an objective lens for condensing the light beam generated by the light source and projecting the light beam generated by the light source and projecting the light beam onto the disk-like recording medium. The fixed head unit and movable head unit each include a wall having an optical path window therein positioned in the optical path between the first head unit and the movable head unit. Each wall also includes a portion surrounding the optical path window and projecting in the direction of the optical path between the fixed head unit and the movable head unit.
    • 一种用于通过将光束投影到盘状记录介质上来记录,再现或擦除信息的光学头。 光头包括具有用于产生光束的光源的固定头单元和用于接收由光源产生并投影到盘状记录介质上的从盘状记录介质反射的光的传感器。 头部还包括可移动头单元,该可移动头单元可在盘状记录介质的径向方向上朝向固定头单元移动。 可移动头单元具有用于会聚由光源产生的光束并投影由光源产生的光束并将光束投射到盘状记录介质上的物镜。 固定头单元和可移动头单元各自包括其中具有位于第一头单元和可移动头单元之间的光路中的光路窗口的壁。 每个壁还包括围绕光路窗口并沿固定头单元和可移动头单元之间的光路的方向突出的部分。