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    • 7. 发明授权
    • Soundproof type water-cooled engine generator
    • 隔音式水冷发动机发电机
    • US5575349A
    • 1996-11-19
    • US323879
    • 1994-10-17
    • Takatoshi IkedaToshiaki TanakaSanpei Sato
    • Takatoshi IkedaToshiaki TanakaSanpei Sato
    • F01N3/02F01P5/06F02B63/04F02B77/13B60K11/00
    • F02B63/04F02B77/13F02B63/044
    • A soundproof type water-cooled engine generator is constructed to guide an exhaust current of air from a cooling fan of a water-cooled engine to an independent hood-like shroud chamber, deaden the current sound through a muffler located under the shroud chamber, for improving the cooling performance. A water-cooled engine 2 and a generator 3 are accommodated in a soundproof bonnet 1. A panel wall 8 is provided close to a fan 7 equipped in the water-cooled engine. The panel wall serves to partition the soundproof bonnet 1 into an engine and generator chamber 11 and an exhaust processing chamber 12. The panel wall has a hole having the substantially same diameter as the fan 7. Around the outside of the hole, a shroud chamber 17 is independently provided in the exhaust processing chamber. The shroud chamber 17 is formed by a hood-like encircling wall 14. On the lateral side of the shroud chamber, a radiator 13 is located to stand upright. A muffler is located under an exhaust duct chamber 18 so that the exhaust is discharged from the upper portion of the exhaust duct chamber.
    • 隔音式水冷发动机发电机构造成将空气的排气流从水冷发动机的冷却风扇引导到独立的罩状罩室,通过位于护罩室下方的消声器使当前的声音消失, 提高冷却性能。 水冷发动机2和发电机3容纳在隔音发动机罩1中。面板壁8设置在靠近设置在水冷发动机中的风扇7上。 面板壁用于将隔音发动机罩1分隔成发动机和发电机室11和排气处理室12.面板壁具有与风扇7具有基本相同直径的孔。在孔的外部,围绕室 17独立地设置在排气处理室中。 护罩室17由罩状的环绕壁14形成。在护罩室的侧面,散热器13被定位成直立。 消音器位于排气管道室18的下方,从而排气从排气管道室的上部排出。
    • 8. 发明申请
    • HETEROJUNCTION BIPOLAR TRANSISTOR
    • 异相双极晶体管
    • US20070096150A1
    • 2007-05-03
    • US11554221
    • 2006-10-30
    • Takatoshi IKEDA
    • Takatoshi IKEDA
    • H01L31/00
    • H01L29/7371H01L29/0817H01L29/201
    • The present invention has an object to provide a heterojunction bipolar transistor which can eliminate band discontinuities (ΔEc) in a bottom part of the conduction band in a heterojunction of a base-emitter, and the heterojunction bipolar transistor includes a substrate made of semi-insulating GaAs; and an epitaxial layer which matches the lattice of the substrate, wherein said epitaxial layer includes: a sub-collector layer made of n+-GaAs, a collector layer made of n-GaAs, a base layer made of p+-GaPSb and an emitter layer made of InGaP with the same electron affinity as the GaPSb and a larger band gap energy than GaPSb.
    • 本发明的目的是提供一种异质结双极晶体管,其能够消除基极发射极的异质结中的导带的底部中的带不连续性(DeltaEc),并且异质结双极晶体管包括由半绝缘 砷化镓 以及与衬底的晶格匹配的外延层,其中所述外延层包括:由n + GaAs制成的集电极层,由n-GaAs制成的集电极层,制成的基极层 和由GaPSb具有相同电子亲和力的InGaP制成的发射极层和比GaPSb更大的带隙能量的p +
    • 9. 发明授权
    • Photoelectric converter apparatus
    • 光电转换装置
    • US4177449A
    • 1979-12-04
    • US871808
    • 1978-01-24
    • Takatoshi Ikeda
    • Takatoshi Ikeda
    • H04N1/19G06K9/20G06T1/00H04N1/40G06K9/00
    • G06K9/2009H04N1/40056
    • A photoelectric converter apparatus suited for use in optical pattern reader system comprises a plurality of charge storage type photoelectric conversion elements disposed in a linear array for receiving light reflected from an original such as slip or a bill carrying characters, figures or the like, and storing quantities of electric charges in proportional dependence on the intensity of the reflected light. An additional photoelectric conversion element is also provided for receiving light from a light source illuminating the original and converting the received light into a corresponding electrical signal which is integrated in synchronism with the initiation of the charge storage of the charge storage type photoelectric conversion element assembly. When the integrated signal value has attained a predetermined level, the stored charges are outputted from the charge storage type photoelectric conversion elements. Thus, a stabilized output signal can be obtained even when the luminance of the used light source undergoes variation, because the stored charges are outputted only when the quantity of irradiation light has attained a predetermined reference value. The photoelectric converter apparatus can be implemented in a simple structure.
    • 适用于光学图案读取器系统的光电转换器装置包括多个电荷存储型光电转换元件,其设置成线性阵列,用于接收从原稿(例如滑动件)反射的光或携带字符或图形等的钞票 与反射光的强度成比例的电荷量。 还提供了另外的光电转换元件,用于接收来自照亮原稿的光源的光并将接收的光转换成与电荷存储型光电转换元件组件的电荷存储开始同步地集成的对应电信号。 当积分信号值达到预定电平时,从电荷存储型光电转换元件输出存储的电荷。 因此,即使当所使用的光源的亮度发生变化时,也可以获得稳定的输出信号,因为仅当照射光的量达到预定的参考值时才输出存储的电荷。 光电转换装置可以以简单的结构实现。