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    • 62. 发明申请
    • Optical transceiver with a pluggable function
    • 具有可插拔功能的光收发器
    • US20070189673A1
    • 2007-08-16
    • US11656003
    • 2007-01-22
    • Satoshi Yoshikawa
    • Satoshi Yoshikawa
    • G02B6/36
    • G02B6/4201G02B6/4245G02B6/4246G02B6/4261G02B6/4266G02B6/4277
    • The optical transceiver of the present invention is one type of the pluggable transceiver that is inserted into/extracted from the cage in the host system. The transceiver includes the OSA (Optical Sub-Assembly) unit, which shows the optical function, and the body unit installing the electronic circuit. The OSA unit includes the receptacle member, the tab plate and transmitting/receiving sub-assemblies. The body unit includes the base installing the circuit board, the heat conducting plate to conduct heat generated by the IC on the substrate to the rear end of the transceiver, the supplementary substrate, the supporting plate, and the cover for putting these components therein. In the present transceiver, the heat is effectively conducted to the rear end thereof the heat conducting plate, besides, the tab plate, the heat conducting plate, and the supporting plate are made only by cutting, bending and tapping without any welding and gluing. Therefore, the present invention may provide an optical pluggable transceiver with superior heat dissipating function by cost saved configuration.
    • 本发明的光收发器是插入到主机系统中的笼中的一种可插拔收发器。 收发器包括显示光学功能的OSA(光学子组件)单元和安装电子电路的机身单元。 OSA单元包括插座构件,接片板和发送/接收子组件。 主体单元包括安装电路板的基座,导热板,用于将基板上的IC产生的热量传导到收发器的后端,辅助基板,支撑板和用于将这些部件放置在其中的盖子。 在本收发器中,除了片状板,导热板和支撑板之外,导热板的后端有效地传导热量,而不用任何焊接和胶合进行切割,弯曲和攻丝。 因此,本发明可以通过成本节省的配置来提供具有优异的散热功能的光学可插拔收发器。
    • 68. 发明授权
    • Optical communication module
    • 光通信模块
    • US06805495B2
    • 2004-10-19
    • US10230402
    • 2002-08-29
    • Satoshi YoshikawaHiromi KurashimaYasushi Fujimura
    • Satoshi YoshikawaHiromi KurashimaYasushi Fujimura
    • G02B638
    • G02B6/4201G02B6/421G02B6/4233G02B6/4243G02B6/4257G02B6/426G02B6/4265
    • The present invention provides an optical module in which the level of the lead frame coincides with the optical axis of the fiber. The module 1 comprises a container 4, a subassembly 2, a base member 5 and a lead frame 6. The subassembly 2 includes a substrate, on which the semiconductor optical device and the optical fiber are mounted. The container 4 has a pair of surface. One surface is securing the lead frame thereon while the base member is attached to the other surface of the container 4. The base member comprises an island portion and a frame portion. The subassembly 2 is placed on the island and the frame portion is fixed to the container 4. Island support portions connecting the island portion to the frame portion is deformed in the molding process, thus aligning the subassembly 2.
    • 本发明提供了一种光学模块,其中引线框架的高度与光纤的光轴重合。 模块1包括容器4,子组件2,基座构件5和引线框架6.子组件2包括其上安装半导体光学器件和光纤的衬底。 容器4具有一对表面。 一个表面将引线框架固定在其上,同时基座构件附接到容器4的另一个表面。基座构件包括岛部分和框架部分。 子组件2放置在岛上并且框架部分固定到容器4上。在模制过程中将岛部分连接到框架部分的岛状支撑部分变形,从而对准子组件2。
    • 70. 发明授权
    • Fuel feed control system and method for internal combustion engine
    • 燃油供给控制系统及内燃机方法
    • US5609139A
    • 1997-03-11
    • US593172
    • 1996-02-01
    • Katsunori UedaToyoaki FukuiSatoshi Yoshikawa
    • Katsunori UedaToyoaki FukuiSatoshi Yoshikawa
    • F02D45/00F02B75/02F02D41/04F02D41/10F02D41/14F02D41/18F02D41/34E02M51/00
    • F02D41/10F02D41/1401F02D41/182F02B2075/027
    • A fuel feed control system and method for an internal combustion engine is provided with a device for setting the quantity of fuel and a fuel injector for feeding fuel in accordance with the fuel quantity set by the fuel quantity setting device. The fuel quantity setting device is provided with a device for estimating the quantity of air to be inducted on the basis of the result of detection of the quantity of inducted air at an inducted air quantity detection time, inducted air quantity information detected before the inducted air quantity detection time and predicted information. The inducted air quantity estimation device is provided with a device for changing the predicted information so that, when a transient operation state of the engine is detected by a transient operation state detector, the estimated quantity of inducted air and a real quantity of inducted air become closer to each other. The control system permits setting of an accurate injection quantity of fuel by precisely measuring a quantity of inducted air even when the state of operation of the engine is in a transition period.
    • 一种用于内燃机的燃料供给控制系统和方法设置有用于设定燃料量的装置和用于根据由燃料量设定装置设定的燃料量供给燃料的燃料喷射器。 燃料量设定装置设置有:基于在感应空气量检测时间的感应量的检测结果来估计要被感应的空气量的装置,在导入空气之前检测到的感应空气量信息 数量检测时间和预测信息。 感应空气量估计装置设置有用于改变预测信息的装置,使得当通过瞬态运行状态检测器检测到发动机的暂态运行状态时,估计的吸入空气量和实际吸入空气量成为 彼此靠近。 即使在发动机的运转状态处于过渡期间的情况下,也可以通过精确测量吸入空气的量来设定精确的燃料喷射量。