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    • 105. 发明授权
    • Cascade scanning optical system
    • 级联扫描光学系统
    • US5828479A
    • 1998-10-27
    • US929003
    • 1997-09-04
    • Masatoshi TakanoEiji TakasugiShinji KikuchiTsutomu SatoHiroyuki SaitoYoshiyuki ArakiMitsunori IimaTakashi SasakiTakashi Iizuka
    • Masatoshi TakanoEiji TakasugiShinji KikuchiTsutomu SatoHiroyuki SaitoYoshiyuki ArakiMitsunori IimaTakashi SasakiTakashi Iizuka
    • G02B26/10G02B13/00G02B13/18G02B26/12H04N1/113G02B26/08
    • B41J2/473G02B26/12H04N1/1135
    • A cascade scanning optical system which includes: a pair of laser scanning optical systems each having a laser beam emitter and a laser beam deflector, wherein a laser beam emitted by the laser beam emitter enters the laser beam deflector so that the laser beam deflector deflects the laser beam to scan a surface of a member such that the laser beams proceed to the surface on a common line thereon in respective ranges of the common line; a pair of mirrors respectively provided in the pair of laser scanning optical systems, each of the pair of mirrors being positioned in a corresponding optical path between the laser beam deflector and the member to reflect a laser beam incident thereon toward the surface; a pair of cylindrical lenses having power in a sub-scanning direction, respectively provided in the pair of laser scanning optical systems, each of the pair of cylindrical lenses being positioned in a corresponding optical path between the laser beam emitter and the laser beam deflector; first means for adjusting an angle of at least one of the pair of mirrors relative to the surface; and second means for adjusting a position of at least one of the pair of cylindrical lenses relative to a corresponding one of the laser beam deflectors.
    • 一种级联扫描光学系统,其包括:一对激光扫描光学系统,每个具有激光束发射器和激光束偏转器,其中由激光束发射器发射的激光束进入激光束偏转器,使得激光束偏转器偏转 激光束扫描构件的表面,使得激光束在公共线的相应范围内前进到其上的公共线上的表面; 分别设置在一对激光扫描光学系统中的一对反射镜,每对反射镜位于激光束偏转器和构件之间的相应光路中,以反射入射到其上的激光束; 分别设置在该对激光扫描光学系统中的副副扫描方向上具有动力的一对柱面透镜,所述一对柱面透镜中的每一个位于激光束发射器和激光束偏转器之间的相应光路中; 用于调整所述一对反射镜中的至少一个相对于所述表面的角度的第一装置; 以及用于相对于相应的一个激光束偏转器来调节所述一对柱面透镜中的至少一个的位置的第二装置。
    • 106. 发明授权
    • Brushless motor having permanent magnets
    • 具有永久磁铁的无刷电机
    • US5821710A
    • 1998-10-13
    • US933968
    • 1997-09-19
    • Masahiro MasuzawaNoriyoshi HiraoTakashi SasakiMasahiro Mita
    • Masahiro MasuzawaNoriyoshi HiraoTakashi SasakiMasahiro Mita
    • H02K16/02H02K21/00H02K29/08H02K7/12H02K21/14
    • H02K21/029H02K16/02H02K29/08
    • A brushless motor having permanent magnets that can be used as a prime mover for automobiles, in place of internal combustion engines, since the motor can yield high torque during low-speed rotation, as in the case of conventional types of brushless motors and can be used at high torque and with excellent motor efficiency at rotations three times as high as that of conventional types. The brushless motor having permanent magnets according to the invention comprises a stator having a plurality of stator magnetic poles and a winding for generating a rotating field in the stator magnetic poles, a rotor having a rotating shaft and field permanent magnets rotating with respect to the stator magnetic poles, a control circuit for detecting the position of magnetic poles of the field permanent magnet with respect to the stator and feeding current to the winding in accordance with the position; wherein the field permanent magnets comprise a first field permanent magnet having magnetic poles of different polarities alternately arranged in the direction of rotation, and a second field permanent magnet that is adapted to be rotatable with respect to the first field permanent magnet and has magnetic poles of different polarities alternately arranged in the direction of rotation; the first and second field permanent magnets facing the stator magnetic poles, and a mechanism for changing the phase of the synthesized magnetic poles of the first and second field permanent magnets in accordance with the rotation of the rotor is provided.
    • 具有可用作汽车原动机的永磁体的无刷电动机代替内燃机,因为如在常规类型的无刷电动机的情况下电机可以在低速旋转期间产生高转矩,并且可以是 以高扭矩使用,并且在旋转时具有优异的电动机效率,是常规类型的三倍。 根据本发明的具有永磁体的无刷电动机包括具有多个定子磁极的定子和用于在定子磁极中产生旋转场的绕组,具有旋转轴的转子和相对于定子旋转的励磁永磁体 磁极,用于根据该位置检测励磁永磁体的磁极相对于定子的位置并将电流馈送到绕组的控制电路; 其中所述场永磁体包括具有沿旋转方向交替布置的具有不同极性的磁极的第一场永磁体和适于相对于第一场永磁体可旋转的第二场永磁体,并且具有磁极 不同的极性沿旋转方向交替布置; 提供面向定子磁极的第一和第二场永久磁铁,以及根据转子的旋转改变第一和第二场永磁体的合成磁极的相位的机构。
    • 107. 发明授权
    • Image pickup apparatus capable of providing moving video signal and
still video signal
    • 能够提供运动视频信号和静止视频信号的摄像装置
    • US5734424A
    • 1998-03-31
    • US311205
    • 1994-09-23
    • Takashi Sasaki
    • Takashi Sasaki
    • H04N9/04
    • H04N9/045H04N2209/046
    • An image pickup apparatus including: an image pickup device; a mode selection circuit for selecting a mode from a group consisting of a video camera mode and a still video camera mode; a first drive circuit for, when the video camera mode is selected by the mode selection circuit, driving the image pickup device to perform an interlace-scanning operation so as to read vertically-disposed two pixels while being mixed with each other; a second drive circuit for, when the still video camera mode is selected by the mode selection circuit, driving the image pickup device to perform an interlace-scanning operation so as to read each row; a memory for recording a first field signal and a second field signal of the image pickup device at the time of the operation performed by the second drive circuit; an addition circuit for adding the first field signal of the memory and the second field signal of the same to each other; and a signal processing circuit for performing a signal process so as to generate a luminance signal and a chrominance signal in such a manner that it receives the output from the image pickup device when the video camera mode is selected by the mode selection circuit and receives the output from the addition circuit when the still video camera mode is selected by the same.
    • 一种图像拾取装置,包括:图像拾取装置; 模式选择电路,用于从由摄像机模式和静态摄像机模式组成的组中选择模式; 第一驱动电路,当通过模式选择电路选择摄像机模式时,驱动图像拾取装置执行隔行扫描操作,以便彼此混合地读取垂直布置的两个像素; 第二驱动电路,当通过模式选择电路选择静止摄像机模式时,驱动图像拾取装置执行隔行扫描操作以读取每一行; 用于在由第二驱动电路执行的操作时记录图像拾取装置的第一场信号和第二场信号的存储器; 加法电路,用于将存储器的第一场信号和第二场信号彼此相加; 以及信号处理电路,用于执行信号处理以便产生亮度信号和色度信号,使得当通过模式选择电路选择摄像机模式时,其接收来自图像拾取装置的输出,并且接收 当静止摄像机模式被选择时从加法电路输出。
    • 109. 发明授权
    • Hydrogen and oxygen gas generating system
    • 氢气和氧气发生系统
    • US5690797A
    • 1997-11-25
    • US588336
    • 1996-01-18
    • Hiroyuki HaradaTakashi SasakiKiyoshi HiraiShinichi YasuiHiroko KobayashiMamoru Nagao
    • Hiroyuki HaradaTakashi SasakiKiyoshi HiraiShinichi YasuiHiroko KobayashiMamoru Nagao
    • C25B1/04C25B1/12C25B15/00C25B15/02C25B9/00C25B15/08
    • C25B15/08C25B1/12C25B15/02Y02E60/366
    • A hydrogen/oxygen gas generating system includes a deionized water container and a cell for water electrolysis having anode and cathode compartments, the cell being submerged in deionized water in the container. Oxygen gas generated in the anode compartment is channeled to an oxygen gas separating chamber defined in the container at its top whereas hydrogen gas generated in the cathode compartment is channeled to a gas/liquid separator. The pressures of these gases are detected, and in accordance with the detected gas pressures, a first gas piping line for delivering oxygen gas outward from the oxygen gas separating chamber and a second gas piping line for delivering hydrogen gas outward from the separator are controlled such that the differential pressure between the gases may fall in a limited range. Water level in the oxygen gas separating chamber and water level in the gas/liquid separator are detected, and the detected levels are utilized to control the pressures and the supply of deionized water into the container. The system can generate hydrogen and oxygen gases of high purity under high pressure in a safe manner without a need for gas compressors.
    • 氢气/氧气发生系统包括去离子水容器和具有阳极和阴极隔室的水电解池,该电池被浸没在容器中的去离子水中。 在阳极室中产生的氧气被引导到位于其顶部的容器中限定的氧气分离室,而在阴极室中产生的氢气被引导至气/液分离器。 检测这些气体的压力,并且根据检测到的气体压力,将用于从氧气分离室向外输送氧气的第一气体管线和用于从分离器向外输送氢气的第二气体管线被控制为 气体之间的压差可能落在有限的范围内。 检测氧气分离室中的水位和气/液分离器中的水位,并且使用检测到的水平来控制去离子水进入容器的压力和供应。 该系统可以安全地在高压下产生高纯度的氢气和氧气,无需气体压缩机。