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    • 3. 发明申请
    • Nuclear Power Plant and Method of Operating It
    • 核电厂及其运行方式
    • US20120294404A1
    • 2012-11-22
    • US13454573
    • 2012-04-24
    • Yoichi WADAMasaya OHTSUKAHideaki NISHIKAWA
    • Yoichi WADAMasaya OHTSUKAHideaki NISHIKAWA
    • G21C17/00G21C19/00
    • G21C19/317G21C9/06Y02E30/40
    • A hydrogen treatment facility for treating hydrogen without using a power source is disposed outside a reactor containment vessel and in an upper portion of a reactor building. A hydrogen detector detecting hydrogen in the reactor building is connected to a control apparatus operated by an independent power source activated at the time of a station black-out. A circulation passage for air circulation generated in the reactor building is disposed in the reactor building and outside the reactor containment vessel. A hydrogen treatment duct connects to the circulation passage and a gangway and a room with equipment. During a severe accident and station black-out and when hydrogen concentration detected by the hydrogen detection apparatus exceeds a set concentration, the hydrogen treatment duct is put in use by the control apparatus. Air containing the hydrogen is introduced into the hydrogen treatment facilities through the hydrogen treatment duct and the circulation passage.
    • 用于在不使用电源的情况下处理氢的氢处理设备设置在反应堆容纳容器的外部和反应堆建筑物的上部。 在反应堆建筑物中检测氢的氢检测器连接到由在站点熄灭时激活的独立电源操作的控制装置。 用于在反应堆建筑物中产生的用于空气循环的循环通道设置在反应堆建筑物中并在反应堆容纳容器外部。 氢气处理管道连接到循环通道和通道和设备的房间。 在严重事故和车站熄火期间,当氢检测装置检测到的氢浓度超过设定浓度时,控制装置使用氢处理管道。 通过氢处理管道和循环通道将含有氢的空气引入氢处理设备。
    • 5. 发明授权
    • Two-dimensional optical scanner
    • 二维光学扫描仪
    • US5579148A
    • 1996-11-26
    • US354015
    • 1994-11-28
    • Hideaki NishikawaTsukasa Koumura
    • Hideaki NishikawaTsukasa Koumura
    • G02B26/10G06K7/10G02B26/08
    • G02B26/101G02B26/085
    • A two-dimensional optical scanner not affected by acceleration disturbances. The two-dimensional optical scanner includes a mirror section having at least one mirror surface formed thereon. A first frame is provided outside the mirror section with a first clearance therebetween. First springs connect the mirror section and the first frame and torsionally vibrating about an axis passing through the center of gravity of the mirror section. A second frame is provided outside the first frame with a second clearance therebetween, and second springs connect the first frame and the second frame. The second springs torsionally vibrate about an axis passing through the center of gravity of mirror section. Piezoelectric bimorphs 21, 22, 23, and 24 drive the optical scanner to impart a torsional oscillation to the first springs and the second springs.
    • 不受加速度扰动影响的二维光学扫描仪。 二维光学扫描器包括其上形成有至少一个镜面的镜部分。 第一框架设置在镜部分之外,其间具有第一间隙。 第一弹簧连接镜部分和第一框架,并围绕穿过镜部分重心的轴线扭转振动。 第二框架设置在第一框架外部,第二框架之间具有第二间隙,第二弹簧连接第一框架和第二框架。 第二弹簧围绕穿过镜部分的重心的轴线扭转振动。 压电双晶片21,22,23和24驱动光学扫描器以向第一弹簧和第二弹簧施加扭转振荡。
    • 7. 发明授权
    • Optical data reader capable of quickly changing a condensing position of
a light beam
    • 能够快速改变光束聚光位置的光学数据读取器
    • US5498868A
    • 1996-03-12
    • US299365
    • 1994-09-01
    • Hideaki NishikawaTukasa KoumuraMichio Hisanaga
    • Hideaki NishikawaTukasa KoumuraMichio Hisanaga
    • G02B3/14G02B26/10G06K7/10H01J3/14
    • G02B3/14G02B26/105G06K7/10702G06K7/10811
    • An optical data reader including a device for producing a light beam, and a device for changing a condensing position of the light beams before the light beam is reflected from a target such as a bar code. The device for changing the condensing position is either a variable focus lens or mirror, each adapted to change the curvature of the surface of the lens or mirror in order to move the condensing position cyclically and continuously. The variable focus mirror changes the shape of its reflecting surface in response to electrical signals from a driving circuit. Excess pressure within the mirror caused by the mirror surface being attracted inwards is expelled through intake/outlet ports formed in the drive electrode. The variable focus lens alters the focal length of the lens each time the curvature of the surface thereof is changed. Preferably, the curvature of the lens surface is changed by increasing fluid pressure within the lens, while the curvature of the variable focus mirror is electrically driven. Either the variable focus lens or mirror is disposed in the optical path between the light source and the target. The light source is usually a laser or laser diode.
    • 一种光学数据读取器,包括用于产生光束的装置,以及用于在光束从诸如条形码的目标反射之前改变光束的聚光位置的装置。 用于改变冷​​凝位置的装置是可变焦距透镜或反射镜,每一个适于改变透镜或反射镜表面的曲率,以循环地和连续地移动聚光位置。 可变焦距反射镜响应于来自驱动电路的电信号改变其反射表面的形状。 由镜面被向内吸引的反射镜内的过大的压力通过形成在驱动电极中的进/出口被排出。 可变焦距透镜每当其表面的曲率改变时改变透镜的焦距。 优选地,通过增加透镜内的流体压力来改变透镜表面的曲率,同时可变焦距反射镜的曲率被电驱动。 可变焦距透镜或镜子都设置在光源和目标之间的光路中。 光源通常是激光或激光二极管。