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    • 2. 发明授权
    • Tape feed control system
    • 胶带进料控制系统
    • US5808824A
    • 1998-09-15
    • US568433
    • 1995-12-06
    • Kouji KaniwaKouji FujitaShigemitsu HiguchiNobuyuki Kaku
    • Kouji KaniwaKouji FujitaShigemitsu HiguchiNobuyuki Kaku
    • G11B15/43G11B15/46G11B15/54
    • G11B15/54G11B15/43G11B15/46
    • A capstanless tape feed control system of a reel-drive type is capable of accurately detecting the respective working radii of a supply reel and a take-up reel and the total length of the tape, of efficiently controlling tape speed and of preventing damage to the tape. The tape feed control system calculates the working radii of the supply reel and the take-up reel and the total length of the tape while the leading end of the tape is moving toward the take-up reel, and detects tape speed on the basis of data representing the total length of the tape and the radius ratio between the supply reel and the take-up reel. The tension of the tape and the reel driving torque are detected while the tape is being fed and the working radii of the supply reel and the take-up reel are calculated on the basis of the tension and the reel driving torque. A tape loading operation and a tape unloading operation are performed after the leading end of the tape has been pulled out from the take-up reel, with the supply reel being held stationary and a predetermined back tension being applied to the tape by the take-up reel.
    • 卷盘驱动型的无卷轴磁带进给控制系统能够精确地检测供带盘和卷取卷轴的相应工作半径以及带的总长度,有效地控制带速度并防止损坏 胶带。 磁带进给控制系统计算供带盘和卷取卷轴的工作半径以及磁带的前端朝向卷取卷轴移动的带的总长度,并基于 表示带的总长度的数据和供带盘与卷取卷轴之间的半径比。 在进给带的同时检测带的张力和卷筒驱动扭矩,并且基于张力和卷轴驱动转矩来计算供带盘和卷带盘的工作半径。 在磁带的前端从卷取卷轴拉出之后进行磁带加载操作和磁带卸载操作,供带盘保持静止,并且预定的反向张力通过卷取卷轴施加到磁带上, 卷轴。
    • 3. 发明授权
    • Lubricant-containing end cap for a bicycle control cable
    • 用于自行车控制电缆的含润滑剂的端盖
    • US5636709A
    • 1997-06-10
    • US669947
    • 1996-06-25
    • Kouji FujitaSatoru Koga
    • Kouji FujitaSatoru Koga
    • F16N19/00B62K19/38B62L3/00B62M25/02F16C1/14F16C1/24F16C1/26F16N7/12
    • F16C1/107B62L3/00F16C1/24Y10T74/2045Y10T74/20462
    • An end cap for a bicycle cable of the type wherein an inner cable slides within an outer casing includes a housing defining a hollow lubricant-filled chamber. The housing has a first end defining an opening for receiving the inner cable therethrough and a second end adapted to fit to the outer casing of the bicycle control cable. A first screen screens the opening at the first end of the housing, wherein the first screen is structured to rupture when the inner cable is passed therethrough. A displaceable second screen screens the second end of the housing. A seal is disposed at the first end of the housing. The seal includes an annular seal member defining an inner area, and the seal member is sized to sealingly fit over the outer periphery of the inner cable of the bicycle control cable.
    • 用于自行车电缆的端盖,其中内缆线在外壳内滑动,其包括限定填充有中空润滑剂的腔室的壳体。 壳体具有限定用于接收内部电缆的开口的第一端,以及适于配合到自行车控制电缆的外壳的第二端。 第一屏幕屏蔽在壳体的第一端处的开口,其中第一屏幕被构造为当内部电缆穿过其时破裂。 可移动的第二筛网屏蔽了壳体的第二端。 密封件设置在壳体的第一端。 密封件包括限定内部区域的环形密封构件,并且密封构件的尺寸设置成密封地配合在自行车控制电缆的内部电缆的外周上。
    • 4. 发明授权
    • Optical disc drive apparatus
    • 光盘驱动装置
    • US08169867B2
    • 2012-05-01
    • US12260118
    • 2008-10-29
    • Kouji Fujita
    • Kouji Fujita
    • G11B7/00
    • G11B7/08517G11B7/0953
    • In an optical disc drive apparatus, when a start time of a tracking pull-in operation is adjusted according to the eccentricity amount of the optical disc, a suitable starting point of the tracking pull-in operation can be always captured and the pull-in operation of the tracking control can be stably performed, without depending on the eccentricity amount of the optical disc. Further, the eccentricity amount and an eccentricity phase are detected from a track zero crossing signal before the tracking pull-in, and an eccentricity compensation signal of the track is added to the tracking control signal. As a result, also in the optical disc with the large eccentricity amount, the tracking pull-in operation can be stably performed.
    • 在光盘驱动装置中,当根据光盘的偏心量来调整跟踪引入操作的开始时间时,可以始终捕获跟踪引入操作的合适的起始点并且引入 可以稳定地执行跟踪控制的操作,而不依赖于光盘的偏心量。 此外,在跟踪拉入之前从轨道过零信号检测偏心量和偏心相位,并且轨道的偏心补偿信号被添加到跟踪控制信号。 结果,即使在偏心量大的光盘中,也能够稳定地进行追踪拉入动作。
    • 5. 发明授权
    • Backlight assembly for liquid crystal display apparatus having inclined light emmitting elements
    • 具有倾斜发光元件的液晶显示装置的背光组件
    • US07967462B2
    • 2011-06-28
    • US12361849
    • 2009-01-29
    • Kenji OgiroNobuo MasuokaKouji Fujita
    • Kenji OgiroNobuo MasuokaKouji Fujita
    • G09F13/04G02F1/13357
    • G02F1/133608G02F1/133603G02F1/133611G02F2001/133607
    • A light source includes a plurality of light emitting elements, and each light emitting element is disposed in such a manner that a direction of an optical axis of the light emitting element having a highest luminance is disposed at a predetermined inclination angle relative to a plane of the liquid crystal display. The optical guide member has an optical guide portion of a wedge shape having a first flat plane generally perpendicular to the optical axis of each light emitting element for receiving light from each light emitting element and a second flat plane having a predetermined angle relative to the optical axis and intersecting the first flat plane at an acute angle for reflecting light. A plurality of optical guide portions are disposed in a plane and formed integrally along a predetermined direction corresponding to the inclination direction of the light emitting elements.
    • 光源包括多个发光元件,并且每个发光元件以这样的方式设置,使得具有最高亮度的发光元件的光轴的方向相对于 液晶显示。 光导构件具有楔形的光导部分,其具有大致垂直于每个发光元件的光轴的第一平面,用于接收来自每个发光元件的光,以及相对于光学器件具有预定角度的第二平面 并以锐角与第一平面相交以反射光。 沿着与发光元件的倾斜方向对应的规定方向一体地配置有多个导光部。
    • 6. 发明授权
    • Optical disc device
    • 光盘设备
    • US07693017B2
    • 2010-04-06
    • US11493232
    • 2006-07-25
    • Takahiro MatsudaKouji Fujita
    • Takahiro MatsudaKouji Fujita
    • G11B7/00
    • G11B21/12G11B7/0956G11B7/121
    • In a conventional method for preventing a collision between a lens and an optical disc which uses a control system similar to the servo control of the optical disc, it is feared that, when there is no need to apply the servo, the collision prevention method may not perform its function satisfactorily. In an optical disc device that operates with a part of its functions suspended for reduced power consumption, the conventional method is not enough to avoid the collision between the lens and the optical disc. By arranging the lens/disc collision prevention mechanism independently operable, it is possible to prevent the collision between the lens and the disc even during the operation with limited functions.
    • 在防止使用与光盘的伺服控制类似的控制系统的透镜和光盘之间的碰撞的现有方法中,担心当不需要施加伺服时,防撞方法可以 不能令人满意地履行其功能。 在其功能部分暂停运行以降低功耗的光盘装置中,常规方法不足以避免透镜和光盘之间的碰撞。 通过设置可独立操作的透镜/光盘碰撞防止机构,即使在功能有限的操作期间也可以防止透镜和光盘之间的碰撞。
    • 7. 发明授权
    • Disc device
    • 光盘设备
    • US07660223B2
    • 2010-02-09
    • US12054426
    • 2008-03-25
    • Kouji Fujita
    • Kouji Fujita
    • G11B7/00
    • G11B7/0908G11B7/0946
    • A disc device includes a lens that focuses a laser light on an optical disc surface, a focus drive unit that drives the lens in a focusing direction, a focus control unit that controls to focus the laser light on the optical disc surface, a focus displacement detecting unit that detects a displaced amount in the focusing direction, a differentiation unit that differentiates a focus displacement detected signal, and a unit that inverts a sign of a differentiated signal, thereby, the disc device is driven intermittently to restrain a motion of an objective lens in a focusing direction and avoid colliding the objective lens with the optical disc surface.
    • 光盘装置包括将激光聚焦在光盘表面上的透镜,聚焦驱动透镜的聚焦驱动单元,控制将激光聚焦在光盘表面上的聚焦控制单元,聚焦位移 检测单元,其检测聚焦方向上的偏移量;微分单元,其区分聚焦位移检测信号;以及微分单元,其反转微分信号的符号,由此间歇地驱动盘装置以抑制目标的运动 透镜在聚焦方向上,并避免物镜与光盘表面碰撞。
    • 8. 发明授权
    • Photoelectric sensor for detecting presence/absence of object
    • 用于检测物体存在/不存在的光电传感器
    • US07247834B2
    • 2007-07-24
    • US10684484
    • 2003-10-15
    • Kouji Fujita
    • Kouji Fujita
    • G06M7/00H01J40/14
    • G01V8/10
    • An object of the present invention is to enable the detection of the presence/absence of an object over a plurality of detection areas without using a plurality of light-receiving devices and light-emitting devices. A sensor detects the presence/absence of an object in a detection area where a light-emitting area of a light-emitting device and a light-receiving area of a light-receiving device are overlapped with each other, and includes: a power supply unit that outputs a driving current I of the light-emitting device such that its current value is variable; a control unit that has the function of controlling the power supply unit to change in magnitude of the driving current I of the light-emitting device, and determining the presence/absence of an object based on an output from the light-receiving device to output the result of determination as a detection signal; and an output signal 50 that converts the detection signal into an analog signal to output the converted signal as a signal α.
    • 本发明的目的是能够在不使用多个光接收装置和发光装置的情况下,在多个检测区域上检测物体的存在/不存在。 传感器检测发光装置的发光区域和受光装置的受光区域彼此重叠的检测区域中的物体的存在/不存在,并且包括:电源 输出发光装置的驱动电流I使其电流值可变的单元; 控制单元,其具有控制电源单元以改变发光装置的驱动电流I的大小的功能,并且基于来自光接收装置的输出来确定对象的存在/不存在,以输出 作为检测信号的判定结果; 以及将检测信号转换为模拟信号以输出转换的信号作为信号α的输出信号50。