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    • 74. 发明申请
    • Tape recording system and head device
    • 磁带录音系统和磁头设备
    • US20050007700A1
    • 2005-01-13
    • US10883928
    • 2004-07-02
    • Nobuyuki Nagai
    • Nobuyuki Nagai
    • G11B5/09G11B5/008G11B5/02G11B5/584G11B5/265
    • G11B5/584
    • There is provided a tape recording system and head device. A tape recording system and head device include a plurality of recording sections for recording data signals on a recording medium wherein one recording section of the plurality of recording sections and another recording section arranged so as to adjoin the one recording section are disposed such that the one recording section and the another recording section are shifted from each other in a running direction and a width direction of the recording medium, and wherein the one recording section and another recording section simultaneously record a data signal on adjacent recording tracks on the recording medium.
    • 提供了磁带记录系统和磁头装置。 磁带记录系统和磁头装置包括用于在记录介质上记录数据信号的多个记录部分,其中多个记录部分的一个记录部分和与该记录部分邻接排列的另一个记录部分被布置成使得一个 记录部分和另一个记录部分在记录介质的运行方向和宽度方向上彼此偏移,并且其中一个记录部分和另一个记录部分同时在记录介质上的相邻记录磁道上记录数据信号。
    • 77. 发明授权
    • Drive apparatus for zoom lens barrel
    • 变焦镜头驱动装置
    • US5909320A
    • 1999-06-01
    • US989137
    • 1997-12-11
    • Masahiro OonoHisao IwandeNoboru SaitohKoji SatoSukenori ShibaTatsuya YoshidaNobuyuki Nagai
    • Masahiro OonoHisao IwandeNoboru SaitohKoji SatoSukenori ShibaTatsuya YoshidaNobuyuki Nagai
    • G02B7/04G02B7/08G02B7/10G02B15/14
    • G02B7/10
    • A drive apparatus for a zoom lens barrel having at least two movable lens groups, one of which is used also as a focusing lens group comprising: a pair of lens frames which respectively hold the two movable lens groups, a pair of driven pins which are integrally provided on the lens a drive cam plate which is provided with a pair of cam surfaces which engage with the corresponding driven pins and which is rotatable about an axis, a rack plate which is supported to move in the optical axis direction of the movable lens groups and which is provided with an engaging portion which engages with the driven pin of the movable lens group that is used also as a focusing lens group, a first drive mechanism which includes a first motor for swinging the drive cam plate in the forward and reverse directions, and a second drive mechanism which includes a second motor for moving the rack plate without having an influence on the angular position of the drive cam plate.
    • 一种用于变焦透镜镜筒的驱动装置,具有至少两个可移动透镜组,其中之一还用作聚焦透镜组,包括:分别保持两个可移动透镜组的一对透镜框,一对驱动销, 在透镜上一体地设置有驱动凸轮板,该驱动凸轮板设置有与相应的从动销接合并且可绕轴线旋转的一对凸轮表面,支撑在可移动透镜的光轴方向上移动的齿条板 并且设置有与用作聚焦透镜组的可动透镜组的从动销接合的接合部,第一驱动机构,其包括用于使驱动凸轮板向前和向后摆动的第一电动机 方向和第二驱动机构,其包括用于移动齿条板的第二电动机,而不影响驱动凸轮板的角位置。
    • 80. 发明授权
    • Method for detecting brazing defects in plate-fin type heat exchangers
    • 检测板翅式热交换器钎焊缺陷的方法
    • US4412453A
    • 1983-11-01
    • US311599
    • 1981-10-15
    • Nobuyuki NagaiEiji TakahashiYoji MatsumotoHideaki Ohtsu
    • Nobuyuki NagaiEiji TakahashiYoji MatsumotoHideaki Ohtsu
    • F28F11/00G01N29/04G01N29/265
    • G01N29/265G01N2291/048G01N2291/102G01N2291/2632
    • A method for detecting brazing defects in a plate-fin type heat exchanger with a brazed core structure having a number of wavy fin members alternately with a number of parallelly spaced plate members, in which a pulsed sound in the frequency range of several tens KHz to several hundreds KHz is transmitted across the fin and plate members from a pulser located on one outermost plate member to a sensor located on the other outermost plate member, detecting the positions and sizes of brazing defects two-dimensionally on a plane on the basis of the level of sound received by the sensor. Three-dimensional detection of the position of the defect is also possible by combining therewith a radiographic inspection using a radiant ray source which is located on one lateral side of the core structure to irradiate a radiant ray in a direction substantially parallel with the plate members of the core structure.
    • 一种具有钎焊芯结构的板状翅片式热交换器中的钎焊缺陷的方法,所述钎焊芯结构具有多个平行间隔的板构件,所述钎焊芯结构具有多个平行间隔的板构件,所述钎焊芯结构具有多个波形翅片构件,其中脉冲声音在几十KHz至 在位于一个最外板构件上的位于一个最外板构件上的脉冲发生器上将数百KHz从翅片和板构件传递到位于另一最外板构件上的传感器,在二维基础上在平面上二维地检测钎焊缺陷的位置和尺寸 传感器接收的声音水平。 缺陷位置的三维检测也可以通过与使用位于核心结构的一个侧面上的辐射线源的射线照相检查相结合来辐射辐射线,该辐射光线基本上平行于板状构件的方向 的核心结构。