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    • 54. 发明授权
    • Vacuum measurement device with ion source mounted
    • 带离子源的真空测量装置
    • US08729465B2
    • 2014-05-20
    • US13496005
    • 2010-09-28
    • Fumio Watanabe
    • Fumio Watanabe
    • H01J27/20H01J49/14H01J3/26
    • G01L21/32
    • A vacuum measurement device includes a grid (10) and an electron source (20) provided inside a vacuum vessel, and an ion beam (100) extracted outside the grid is captured by an ion collector (40) and is converted into a current signal. The grid (10) is a grid-shaped cylinder, and an ion outlet (11) is opened and elongated in the longitudinal direction along the side surface of the grid (10). The vacuum measurement device includes a primary ion collector (40) capturing specific ions and a secondary ion collector (50) capturing other ions. The gas molecule density of the ion source is obtained from a total current of the primary and secondary ion collectors, and a ratio of the gas molecule density of the specific ions relative to the gas molecule density is obtained from a ratio of the current of the primary ion collector (40) relative to the total current.
    • 真空测量装置包括设置在真空容器内部的格栅(10)和电子源(20),并且离子束收集器(40)捕获离网格外提取的离子束(100),并将其转换成电流信号 。 格栅(10)是格子状的圆柱体,离子出口(11)沿着网格(10)的侧面在长度方向上打开和拉长。 真空测量装置包括捕获特定离子的一次离子收集器(40)和捕获其它离子的二次离子收集器(50)。 离子源的气体分子密度是从初级和次级离子收集器的总电流获得的,并且特定离子的气体分子密度相对于气体分子密度的比率可从 初级离子收集器(40)相对于总电流。
    • 55. 发明申请
    • Laser energy measuring unit and laser machining apparatus
    • 激光能量测量单元和激光加工设备
    • US20080239300A1
    • 2008-10-02
    • US12071357
    • 2008-02-20
    • Fumio WatanabeKatsurou Bukawa
    • Fumio WatanabeKatsurou Bukawa
    • G01J1/10B23K26/38
    • G01J1/0455B23K26/705G01J1/04G01J1/4257
    • There is provided a laser energy measuring unit whose laser energy measuring range is widened. The laser energy measuring unit has a filter provided within an optical path of laser to attenuate energy of the laser, a calculating section for measuring the energy of the laser passing through the filter and a condenser lens provided on one side of the filter for condensing the laser. The filter has a shading portion for blocking a center part of the laser beam from transmitting through the filter at position coincident with the center of the laser. The center part of the laser where its energy is large is cut by the shading portion and the calculating section measures the part where its energy is not so large. Thereby, it is possible to widen the laser energy measuring range.
    • 提供了激光能量测量范围扩大的激光能量测量单元。 激光能量测量单元具有设置在激光器的光路内的滤光器,用于衰减激光的能量,用于测量穿过滤光器的激光的能量的计算部分和设置在滤光器一侧的聚光透镜,用于冷凝 激光。 滤光器具有用于阻挡激光束的中心部分的遮蔽部分,以在与激光器的中心重合的位置处透过滤光器。 其能量大的激光器的中心部分被遮光部分切割,并且计算部分测量其能量不是很大的部分。 由此,能够扩大激光能量的测量范围。
    • 56. 发明申请
    • Transmission method
    • 传输方式
    • US20080225927A1
    • 2008-09-18
    • US12148084
    • 2008-04-15
    • Noriaki MiyazakiToshinori SuzukiFumio Watanabe
    • Noriaki MiyazakiToshinori SuzukiFumio Watanabe
    • H04B1/707H04L27/10
    • H04J13/12H04J11/00H04J13/004H04L5/0021H04L27/206H04L27/2626
    • In a transmission method of the present invention, when transmitting an information bit from a transmitter to a receiver, an encoder of the transmitter firstly inputs and encodes the information bit, and a modulator then modulates the encoded information bit to create a modulation symbol. A spreader spreads the obtained modulation symbol using a rotation orthogonal code having a rotation angle that is appropriate to a combination of the modulation method and the coding rate, and transmits it to a transmission path. The receiver performs a reverse operation of the transmitter, and decodes the information bit. In QPSK modulation where the coding rate of an error-correction code is ½, when a rotation angle that obtains a same signal point as OFDM is 0°, spreading is performed using a rotation orthogonal code having a rotation angle of between 17° and 45°, or between −17° and −45°, thereby reducing bit error and enabling highly-reliable communication to be achieved.
    • 在本发明的传输方法中,当从发射机向接收机发送信息比特时,发射机的编码器首先对信息比特进行编码,然后调制编码的信息比特以产生调制符号。 扩展器使用具有适于调制方法和编码率的组合的旋转角度的旋转正交码扩展获得的调制符号,并将其发送到传输路径。 接收机执行发射机的反向操作,并对信息位进行解码。 在纠错码的编码率为1/2的QPSK调制中,当获得与OFDM相同的信号点的旋转角为0°时,使用旋转角度为17°〜45°的旋转正交码进行扩频 °或-17°至-45°之间,从而减少位误差并实现高度可靠的通信。
    • 57. 发明申请
    • Zoom lens and projection display device using the zoom lens
    • 变焦镜头和投影显示设备使用变焦镜头
    • US20060056043A1
    • 2006-03-16
    • US11172851
    • 2005-07-05
    • Kimiaki NakazawaFumio Watanabe
    • Kimiaki NakazawaFumio Watanabe
    • G02B15/14
    • G02B13/22G02B15/177
    • A zoom lens for a projection display device includes, in order from the enlarging side, a first lens group having negative refractive power and that is stationary during zooming, second and third lens groups having positive refractive power, a fourth lens group that has refractive power that is much weaker in absolute value than the refractive powers of the other lens groups, and a fifth lens group having positive refractive power and that is stationary during zooming. The second, third, and fourth lens groups move with coordinated movements continuously toward the enlarging side during zooming from the wide-angle end to the telephoto end of the zoom range. The zoom lens satisfies certain conditions related to focal lengths of the zoom lens and lens groups and distances along the optical axis. A projection display device uses the zoom lens.
    • 用于投影显示装置的变焦透镜从放大侧依次包括具有负折光力并且在变焦期间是静止的第一透镜组,具有正屈光力的第二透镜组和第三透镜组,具有屈光力的第四透镜组 其绝对值比其他透镜组的折射力弱得多,并且具有正屈光力并且在变焦期间是静止的第五透镜组。 第二,第三和第四透镜组在从变焦范围的广角端到望远端变焦期间,以协调的运动连续地朝向放大侧移动。 变焦镜头满足与变焦镜头和镜头组的焦距以及沿着光轴的距离有关的某些条件。 投影显示装置使用变焦镜头。
    • 58. 发明申请
    • Laser machining apparatus
    • 激光加工设备
    • US20050161445A1
    • 2005-07-28
    • US11037222
    • 2005-01-19
    • Kazuhisa IshiiFumio Watanabe
    • Kazuhisa IshiiFumio Watanabe
    • G02B26/08B23K20/04B23K20/08B23K26/00B23K26/04H01S3/10
    • B23K26/043
    • There is provided a laser machining apparatus that excels in precision in terms of machining position and shape. The laser machining apparatus is provided with an optical axis adjusting unit disposed on a basal optical axis of a laser beam outputted from a laser oscillator so as to adjust the laser beam outputted from the laser oscillator onto a workpiece. The laser machining apparatus is provided further with mirrors, disposed between the laser oscillator and the optical axis adjusting unit, for freely deflecting the optical axis of the laser beam; and optical axis position detecting means, disposed between the optical axis adjusting unit and the optical axis deflecting means, for detecting the position of the optical axis of the laser beam. The apparatus aligns the optical axis of the laser beam incident on the optical axis adjusting unit with the basal optical axis by means of the mirrors based on a result detected by the optical axis position detecting means.
    • 提供了一种在加工位置和形状方面精度优异的激光加工装置。 激光加工装置设置有光轴调节单元,其设置在从激光振荡器输出的激光束的基础光轴上,以将从激光振荡器输出的激光束调整到工件上。 激光加工装置还设置有设置在激光振荡器和光轴调节单元之间的反射镜,用于自由地偏转激光束的光轴; 以及光轴位置检测装置,设置在光轴调整单元和光轴偏转装置之间,用于检测激光束的光轴的位置。 该装置基于由光轴位置检测装置检测到的结果,通过反射镜将入射在光轴调节单元上的激光束的光轴与基准光轴对准。
    • 60. 发明申请
    • Heating device and heating method
    • 加热装置及加热方式
    • US20050000949A1
    • 2005-01-06
    • US10831658
    • 2004-04-26
    • Reiki WatanabeFumio Watanabe
    • Reiki WatanabeFumio Watanabe
    • H05B7/16H01L21/00H01L21/324H05B7/148B23K10/00
    • H01L21/67109
    • The present invention relates to a heating device and a heating method, by which a object subject to heating is heated using glow discharge. The constitution is that the heating device comprises (i) a structural body having (a) a first conductive substance, and (b) a second conductive substance provided so as to surround said first conductive substance, where said conductive substances form a space substantially isolated from outside air; and (ii) an exhaust port formed on said structural body to decompress said space, wherein electric power is applied between said first conductive substance and said second conductive substance to generate electric discharge in said decompressed space, the electric discharge is maintained to increase the temperature of said second conductive substance, and said second conductive substance is used as means for heating an object subject to heating.
    • 加热装置和加热方法技术领域本发明涉及加热装置和加热方法,通过该加热装置和加热方法,使用辉光放电来加热被加热物体。 结构是加热装置包括(i)具有(a)第一导电物质的结构体和(b)设置成围绕所述第一导电物质的第二导电物质,其中所述导电物质形成基本隔离的空间 从外面的空气; 和(ii)形成在所述结构体上以对所述空间进行减压的排气口,其中在所述第一导电物质和所述第二导电物质之间施加电力以在所述减压空间中产生放电,保持放电以增加温度 的所述第二导电物质,并且所述第二导电物质用作加热被加热物体的装置。