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    • 5. 发明申请
    • CIRCUIT BOARD AND OPTICAL MODULATOR
    • 电路板和光学调制器
    • US20130027762A1
    • 2013-01-31
    • US13462043
    • 2012-05-02
    • Masaki Sugiyama
    • Masaki Sugiyama
    • G02F1/03H05K1/11
    • H05K1/0215H05K1/112H05K3/363H05K2201/094
    • A printed circuit board (PCB) has a connection ground pattern and a wiring ground pattern. The connection ground pattern is a pattern for soldered connection formed on a first wiring layer. The wiring ground pattern is formed to be spaced from the connection ground pattern on the first wiring layer. The connection ground pattern and the wiring ground pattern are electrically coupled via a second wiring layer. When the wiring ground pattern is covered with an insulating layer, such as a solder resist, even if the position of an end of the insulating layer varies among wiring ground patterns, an influence on an exposed area of the connection ground pattern is eliminated.
    • 印刷电路板(PCB)具有连接接地图案和接线图案。 连接接地图是形成在第一布线层上的焊接连接图案。 布线接地图形形成为与第一布线层上的连接接地图案间隔开。 连接接地图案和接线图案经由第二布线层电耦合。 即使绝缘层的端部的位置在布线接地图形之间变化,当布线接地图案被诸如阻焊剂的绝缘层覆盖时,也不会影响连接接地图案的暴露区域。
    • 8. 发明授权
    • Optical device
    • 光学装置
    • US08244075B2
    • 2012-08-14
    • US12837765
    • 2010-07-16
    • Masaki Sugiyama
    • Masaki Sugiyama
    • G02F1/035
    • G02F1/035G02F1/0316G02F2001/212
    • There is provided an optical device including a substrate having an electro-optical effect, a plurality of optical modulators including bias electrodes to which a bias voltage is applied so as to generate an electric field from one of the bias electrodes to another of the bias electrodes, and the bias electrodes of the optical modulators being disposed above the substrate, and a partition conductor to reduce influence of the electric field from the bias electrode of a first optical modulator to an optical waveguide of a second optical modulator, the partition conductor being disposed above the substrate.
    • 提供了一种包括具有电光效应的基板的光学装置,包括施加偏压的偏置电极的多个光学调制器,以便从一个偏置电极到另一个偏置电极产生电场 并且所述光学调制器的偏置电极设置在所述衬底上方,以及分隔导体,用于减小从第一光学调制器的偏置电极到第二光学调制器的光波导的电场的影响,所述分隔导体被布置 在基材之上。
    • 9. 发明申请
    • LUBRICATION APPARATUS FOR FOUR-STROKE ENGINE
    • 四冲程发动机润滑装置
    • US20120199097A1
    • 2012-08-09
    • US13502799
    • 2010-06-23
    • Masaki SugiyamaToshihiro TomitaMasaki KurimotoHiroshi KubotaTetsuya Hasegawa
    • Masaki SugiyamaToshihiro TomitaMasaki KurimotoHiroshi KubotaTetsuya Hasegawa
    • F01M1/04
    • F16N7/32F01M1/04F01M3/04F01M11/02
    • A lubrication apparatus for a four-stroke engine (1) is provided that prevents lubrication failure from occurring around the crankshaft and reliably prevents oil from remaining in a valve operating chamber (30). The lubrication apparatus for the four-stroke engine (1) includes: an intake part (55) positioned below the level of an oil A in an oil reservoir (7) even if the oil reservoir (7) is tilted and the level of the oil A changes; an oil feeding passageway (54) that sucks up the oil A from the intake part (55) and supplies the oil A to the crank chamber (5a); and an direct passageway (47) that allows communication between a valve operating chamber (30) and a crank chamber (5a) when a negative pressure is created in the crank chamber (5a). Open end parts (47a, 54a) of the oil feeding passageway (54) and the direct passageway (47) which are open in the crank chamber (5a) are provided to open as the piston (13) moves from a position near the top dead center to the top dead center. It is possible to control the flow rate of oil supplied to the crank chamber (5a) via the oil supply passageway (54) by means of a flow rate control passageway (67) that allows communication between a supply passageway (51) to supply oil mist from the oil reservoir (7) to the valve operating chamber (30) and the oil feeding passageway (54).
    • 提供一种用于四冲程发动机(1)的润滑装置,其防止在曲轴周围发生润滑故障,并且可靠地防止油残留在阀操作室(30)中。 用于四冲程发动机(1)的润滑装置包括:即使储油器(7)倾斜并且油位(7)的水平位于油藏(7)中的位于油A的高度之下的进气部分(55) 油A变化; 供油通路(54),其从所述进气部(55)吸入油A,并将油A供给到所述曲柄室(5a); 以及当在曲柄室(5a)中产生负压时允许阀操作室(30)和曲柄室(5a)之间的连通的直接通道(47)。 供油通道(54)的开口端部(47a,54a)和在曲柄室(5a)中敞开的直接通道(47)设置成随着活塞(13)从靠近顶部 死中心到上死点。 可以通过流量控制通道(67)来控制经由供油通道(54)供应到曲柄室(5a)的油的流量,流量控制通道(67)允许供给通道(51) 从油箱(7)到阀操作室(30)和供油通道(54)的雾。
    • 10. 发明申请
    • OPTICAL TRANSMITTER AND INTERCONNECTING CIRCUIT BOARD
    • 光学发射器和互连电路板
    • US20120114340A1
    • 2012-05-10
    • US13232511
    • 2011-09-14
    • Masaki Sugiyama
    • Masaki Sugiyama
    • H04B10/12G02B6/12
    • G02B6/4201G02B6/4279G02B6/428H01P3/08H01P5/08
    • An optical transmitter including: an optical module; an interconnecting circuit board configured to be electrically coupled to the optical module; and a printed circuit board configured to be electrically coupled to the interconnecting circuit board; wherein the interconnecting circuit board includes: a coplanar waveguide; and a microstrip line including a signal wiring line extended from an end of the coplanar waveguide and a ground wiring line, wherein the width of the signal wiring line is narrower than the width of a signal wiring line of the coplanar waveguide, and the spacing between the signal wiring line extended from the end of the coplanar waveguide and the ground wiring line is smaller than the spacing between the signal wiring line of the coplanar waveguide and the ground wiring line.
    • 一种光发射机,包括:光模块; 配置为电耦合到所述光学模块的互​​连电路板; 以及印刷电路板,被配置为电耦合到所述互连电路板; 其中所述互连电路板包括:共面波导; 以及包括从共面波导的端部延伸的信号布线和接地布线的微带线,其中信号布线的宽度比共面波导的信号布线的宽度窄, 从共面波导和接地布线的端部延伸的信号布线小于共面波导的信号布线和接地布线之间的间隔。