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    • 101. 发明授权
    • Internal combustion engine
    • 内燃机
    • US06786189B2
    • 2004-09-07
    • US10178709
    • 2002-06-25
    • Takushi MatsutoRyo KubotaToshio ShimadaMasatoshi SuzukiNaoto Hara
    • Takushi MatsutoRyo KubotaToshio ShimadaMasatoshi SuzukiNaoto Hara
    • F02B7532
    • F02B75/32F02B41/04F02B75/24F02B75/287
    • A piston slidably fitted in a cylinder is connected to an auxiliary piston slidably fitted in an auxiliary cylinder coaxial with the cylinder through a first connecting rod. The left and right crankshaft halves are disposed outside of a piston sliding range of the cylinder with respect to the radial direction thereof. The increase of the volume of a combustion chamber corresponding to the increase of the crank angle with reference to top dead center of the piston is suppressed, and it is therefore possible to enhance the equal volume degree at the time of combustion of a mixture gas and to enhance thermal efficiency. This arrangement also enhances thermal efficiency, and simplifies the structures of intake systems and valve mechanisms when employed in horizontally opposed type internal combustion engine.
    • 可滑动地安装在气缸中的活塞通过第一连杆与可滑动地装配在与气缸同轴的辅助气缸中的辅助活塞连接。 左右曲轴半部相对于其半径方向配置在气缸的活塞滑动范围的外侧。 相对于活塞的上止点对应于曲轴角度增加的燃烧室的体积的增加被抑制,因此可以提高混合气体的燃烧时的等体积度, 以提高热效率。 这种布置还提高了热效率,并且在水平相对式内燃机中使用时简化了进气系统和阀机构的结构。
    • 102. 发明授权
    • Optical TDM multiplexer, optical TDM demultiplexer, WDM/TDM converter and TDM/WDM converter
    • 光TDM复用器,光TDM解复用器,WDM / TDM转换器和TDM / WDM转换器
    • US06775478B2
    • 2004-08-10
    • US09816630
    • 2001-03-23
    • Masatoshi SuzukiNoboru Edagawa
    • Masatoshi SuzukiNoboru Edagawa
    • H04J400
    • H04J14/0223H04J14/08
    • An optical TDM multiplexing apparatus to multiplex a plurality of input signals in the optical stage in the time domain according to the invention comprise a plurality of signal light sources to generate optical signals each having a wavelength different from the others to carry each of the plurality of the input signals, a timing adjuster to adjust timings between the respective optical signals so that each optical signal output from the plurality of the signal light sources is disposed on a time slot different from the others in the time domain, an optical multiplexer to multiplex each optical signal output from the timing adjuster in the wavelength domain and a wavelength converter to convert each wavelength of the output light from the optical multiplexer into a predetermined wavelength.
    • 根据本发明的用于在时域中的光学级中复用多个输入信号的光TDM复用设备包括多个信号光源,以产生每个具有不同于其他波长的波长的光信号,以携带多个 输入信号,定时调整器,用于调整各光信号之间的定时,使得从多个信号光源输出的每个光信号在时域上设置在与其他信号光源不同的时隙上;光复用器, 从波长域中的定时调节器输出的光信号和波长转换器,用于将来自光复用器的输出光的每个波长转换成预定波长。
    • 103. 发明授权
    • Internal combustion engine
    • 内燃机
    • US06763796B2
    • 2004-07-20
    • US10084178
    • 2002-02-28
    • Masatoshi SuzukiNaoto Hara
    • Masatoshi SuzukiNaoto Hara
    • F02F700
    • F02B61/02F02B41/00F02B43/00F02B75/16Y02T10/14Y02T10/32
    • To increase thermal efficiency by increasing the degree of constant volume of a fuel-air mixture at the time of combustion in an internal combustion engine. In an internal combustion engine, a piston slidably fitted in a cylinder is connected to a crankshaft via a connecting rod, and a cylinder head in which a combustion chamber is defined is disposed between the piston and the crankshaft. As compared with a background art internal combustion engine in which a combustion chamber is disposed opposite to a crankshaft with a piston located therebetween, a ratio of an increased amount of the volume of the combustion chamber to an increased amount of a crank angle of the piston from the top dead center position can be suppressed at a small value.
    • 通过增加内燃机燃烧时的燃料 - 空气混合物的恒定体积的程度来提高热效率。 在内燃机中,可滑动地安装在气缸中的活塞通过连杆连接到曲轴,并且其中限定有燃烧室的气缸盖设置在活塞和曲轴之间。 与背景技术的内燃机相比,其中燃烧室与具有位于其间的活塞的曲轴相对设置,燃烧室的体积的增加量与活塞的曲柄角的增加量的比率 从上止点位置可以抑制在一个小的值。
    • 104. 发明授权
    • Optical transmission system, its method, and optical amplification transmission line
    • 光传输系统,其方法和光放大传输线
    • US06744989B2
    • 2004-06-01
    • US09848606
    • 2001-05-02
    • Takehiro TsuritaniYuichi YamadaNoboru EdagawaMasatoshi Suzuki
    • Takehiro TsuritaniYuichi YamadaNoboru EdagawaMasatoshi Suzuki
    • H04B1000
    • H04B10/2935H04J14/0221
    • An object of this invention is to improve transmission characteristics in WDM transmission. An optical transmitter (10) wavelength-multiplexes signal lights of wavelengths &lgr;1 through &lgr;n and outputs them onto an optical transmission line (12). Optical powers of the signal lights of the respective wavelength &lgr;1 through &lgr;n are identical or become smaller proportional to the wavelength. One repeater span of the optical transmission line (12) is composed of an optical fibers (20, 22) and an optical amplifier (24), and a gain equalizer (26) is dispersed every several repeater spans. The optical amplifier (24) in the repeater span amplifies each signal light so that optical power of a signal on the shorter wavelength side becomes smaller than that of a signal on the longer wavelength side. The gain equalizer (26) equalizes optical powers of the respective signal lights.
    • 本发明的目的是提高WDM传输中的传输特性。 光发射机(10)将波长λ1至兰博的信号光波长多路复用并输出到光传输线路(12)上。 相应波长λ1至lambdan的信号光的光功率与波长成比例相同或变小。 光传输线(12)的一个中继器跨度由光纤(20,22)和光放大器(24)组成,增益均衡器(26)每隔几个中继器分散。 中继器中的光放大器(24)放大每个信号光,使得较短波长侧的信号的光功率变得比较长波长侧的信号的光功率小。 增益均衡器(26)使各个信号灯的光功率相等。
    • 105. 发明授权
    • Optical multiplexer and demultiplexer
    • 光复用器和解复用器
    • US06640026B2
    • 2003-10-28
    • US09956573
    • 2001-09-18
    • Takehiro TsuritaniMasatoshi Suzuki
    • Takehiro TsuritaniMasatoshi Suzuki
    • G02B628
    • G02B6/29386G02B6/12007G02B6/29344G02B6/29352
    • To realize an optical demultiplexer with a constant chromatic dispersion value, an optical signal of wavelength (&lgr;1) enters a port (A) of an optical circulator (10), and an optical signal of wavelength (&lgr;2) enters a port (A) of an optical circulator (12). A port (B) of the optical circulator (10) connects to a port (X0) of an interleaved optical filter (14), and a port (B) of the optical circulator (12) connects to a port (X1) of the optical filter (14). A port (Y0) of the optical filter (14) connects to a port (Y1) of the optical filter (14) through an optical isolator (16). The optical isolator (16) allows the optical propagation from the port (Y0) to the port (Y1) of the optical filter (14) and refuses the optical propagation from the port (Y1) to the port (Y0). An optical coupler (18) combines the input lights of the input ports (X0 and X1) from ports (C) of the optical circulators (10 and 12) and outputs from the output port (Y0). The optical filter (14) transmits wavelength (&lgr;1) in the straight propagation between the ports (X0, Y0) and between the ports (X1, Y1) and transmits wavelength (&lgr;2) in the cross propagation between the ports (X0, Y1) and between the ports (X1, Y0).
    • 为了实现具有恒定色散值的光解复用器,波长(λ1)的光信号进入光环行器(10)的端口(A),并且波长(λ2)的光信号进入端口(A) 光循环器(12)。 光环行器(10)的端口(B)连接到交错滤光器(14)的端口(X0),并且光环行器(12)的端口(B)连接到 滤光器(14)。 滤光器(14)的端口(Y0)通过光隔离器(16)连接到滤光器(14)的端口(Y1)。 光隔离器(16)允许从端口(Y0)到滤光器(14)的端口(Y1)的光传播,并且拒绝从端口(Y1)到端口(Y0)的光传播。 光耦合器(18)将输入端口(X0和X1)的输入光与光循环器(10和12)的端口(C)和输出端口(Y0)的输出相结合。 光滤波器(14)在端口(X0,Y0)之间和端口(X1,Y1)之间的直线传播中传输波长(λ1),并且在端口(X0,Y1)之间的交叉传播中传输波长(λ2) 和端口(X1,Y0)之间。
    • 106. 发明授权
    • Optical repeater monitoring system and a method thereof
    • 光中继器监控系统及其方法
    • US06556325B1
    • 2003-04-29
    • US09507233
    • 2000-02-18
    • Yukio HoriuchiMasatoshi SuzukiShu YamamotoShigeyuki Akiba
    • Yukio HoriuchiMasatoshi SuzukiShu YamamotoShigeyuki Akiba
    • H04B1002
    • H04B10/2916H04B10/0777H04B2210/074
    • An optical repeater monitoring system, according to the invention, comprises an oscillating source, a reference signal transmitter for transmitting a reference signal of a predetermined frequency generated from an output of the oscillating source to a first optical fiber, and an optical repeater. The optical repeater has a first photodetector for converting light from the first optical fiber into an electrical signal, a reference signal extractor for extracting a component of the reference signal from an output of the first photodetector, a carrier generator for generating a carrier from an output of the reference signal extractor, a monitor signal modulator for modulating the carrier generated by the carrier generator with a monitor signal showing a operating state of the optical repeater, a transmitter for transmitting an output of the monitor signal modulator to a second optical fiber. The system further comprises a demodulating signal generator for generating a demodulating signal from either of the output from the oscillating source and the reference signal, the demodulating signal having a frequency equal to that of the monitor signal carrier, a second photodetector for photodetecting the light propagated on the second fiber, and a monitor signal demodulator for demodulating the monitor signal from outputs of the second photodetector and demodulating signal generator.
    • 根据本发明的光中继器监视系统包括振荡源,参考信号发射器,用于将从振荡源的输出产生的预定频率的参考信号传输到第一光纤,以及光中继器。 光中继器具有用于将来自第一光纤的光转换成电信号的第一光电检测器,用于从第一光电检测器的输出提取参考信号的分量的参考信号提取器,用于从输出端产生载波的载波发生器 参考信号提取器的监视信号调制器,用于利用示出所述光中继器的操作状态的监视信号调制由所述载波发生器产生的所述载波的监视信号调制器,用于将所述监视信号调制器的输出发送到第二光纤的发射器。 该系统还包括解调信号发生器,用于从振荡源的输出和参考信号中的任一个产生解调信号,解调信号的频率等于监视信号载波的频率;第二光电检测器,用于光检测传播的光 以及用于从第二光电检测器和解调信号发生器的输出解调监视信号的监视信号解调器。
    • 107. 发明授权
    • Optical transmitting apparatus
    • 光发射装置
    • US06459518B1
    • 2002-10-01
    • US09329867
    • 1999-06-11
    • Masatoshi SuzukiNoboru EdagawaHidenori TagaShu Yamamoto
    • Masatoshi SuzukiNoboru EdagawaHidenori TagaShu Yamamoto
    • H04B1000
    • H04B10/532
    • A laser diode continuously laser-oscillates and its output light is applied to an optical modulator. A pulse driver drives the optical modulator according to a data to be transmitted. A phase modulator is driven by a phase modulator driver and phase-modulates the output from the optical modulator. The polarization direction of the incident light of the phase modulator is set so that the modulation efficiency of the phase modulator becomes the maximum. The output light of the phase modulator inputs a birefringent medium and applies to an optical transmission line after transmitting the birefringent medium. The principal axis of the birefringent medium is disposed so as to be at an angle of 45° to the polarization direction of the output light from the phase modulator.
    • 激光二极管连续激光振荡,其输出光被施加到光学调制器。 脉冲驱动器根据要发送的数据驱动光调制器。 相位调制器由相位调制器驱动器驱动并对来自光调制器的输出进行相位调制。 相位调制器的入射光的偏振方向被设定为使得相位调制器的调制效率达到最大。 相位调制器的输出光输入双折射介质,并在透射双折射介质之后施加到光传输线。 双折射介质的主轴被布置成与来自相位调制器的输出光的偏振方向成45°的角度。
    • 108. 发明授权
    • Turbocharged engine structure for small-sized boat
    • 用于小型船的涡轮增压发动机结构
    • US06409558B1
    • 2002-06-25
    • US09714135
    • 2000-11-17
    • Yoshitsugu GokanNaoto HaraMasatoshi Suzuki
    • Yoshitsugu GokanNaoto HaraMasatoshi Suzuki
    • B63H2132
    • B63H21/14B63B35/731
    • To provide a small-sized boat wherein a sufficient supercharging effect can be achieved. An engine having an exhaust manifold is disposed such that a crankshaft thereof extends in forward and rearward directions of a boat body, and an exhaust gas turbo charger which is driven to rotate by exhaust gas from the exhaust manifold is provided rearwardly of and adjacent to the exhaust manifold and rearwardly of and adjacent to the engine. The exhaust gas turbo charger is disposed such that a shaft which connects a turbine and a compressor is directed in leftward and rightward directions of the boat body, and the turbine is disposed adjacent to the exhaust manifold and the compressor is disposed adjacent to an intake port of the engine. An inter cooler is provided sidewardly of the compressor and disposed below an intake chamber.
    • 提供能够实现足够的增压效果的小型船。 具有排气歧管的发动机被设置为使得曲轴在船体的前后方向上延伸,并且被排出气体从排气歧管被驱动旋转的排气涡轮增压器设置在排气歧管的后方并与其相邻 排气歧管,并与发动机相邻并相邻。 排气涡轮增压器被配置为使得连接涡轮机和压缩机的轴指向船体的左右方向,并且涡轮机邻近排气歧管设置,并且压缩机邻近进气口设置 的发动机。 中间冷却器设置在压缩机的侧面并且设置在进气室下方。
    • 109. 发明授权
    • Optical modulator, optical short pulse generating device, optical
waveform shaping device, and optical demultiplexer device
    • 光调制器,光短脉冲发生装置,光波形整形装置和光解复用装置
    • US5889607A
    • 1999-03-30
    • US868976
    • 1997-06-04
    • Masatoshi SuzukiNoboru EdagawaItsuro MoritaShu YamamotoShigeyuki Akiba
    • Masatoshi SuzukiNoboru EdagawaItsuro MoritaShu YamamotoShigeyuki Akiba
    • G02F1/01G02F1/015G02F1/025H01S5/00G02F1/03
    • G02F1/015G02F1/0121G02F2001/0157G02F2203/06G02F2203/26
    • Incident light 1 is inputted to an electro-absorption-type optical modulator 4 via an optical circulator 2 and a lens 3, and subjected to intensity modulation that corresponds to a modulation signal 8. The optical signal outputted by the electro-absorption-type optical modulator 4 is inputted to a Faraday rotator 6 via a lens 5, and the plane of polarization is rotated 45.degree.. The optical signal transmitted by the Faraday rotator 6 is totally reflected by a totally reflecting mirror 7, inputted for the second time to the Faraday rotator 6, then passed through the lens 5 after the plane of polarization has been rotated 45.degree. by this Faraday rotator 6, and readmitted by the electro-absorption-type optical modulator 4. The output of the electro-absorption-type optical modulator 4 is emitted via the lens 3 and the optical circulator 2. The polarization dependence of insertion loss can be eliminated because the plane of polarization is rotated 90.degree., and the incident light 1 readmitted to the electro-absorption-type optical modulator 4 at any plane of polarization. In view of this, the polarization dependent loss of an electro-absorption-type optical modulator can be eliminated by employing such optical modulators and creating a high-performance optical short pulse generating device, optical waveform shaping device, and optical demultiplexer.
    • 入射光1通过光环行器2和透镜3输入到电吸收型光调制器4,经受与调制信号8对应的强度调制。由电吸收型光 调制器4通过透镜5输入到法拉第转子6,偏振面旋转45度。 由法拉第旋转器6传输的光信号被全反射镜7全反射,全反射镜7第二次输入到法拉第旋转器6,然后在该法拉第旋转器旋转了45°的偏振面之后通过透镜5 电吸收型光调制器4再次进入。电吸收型光调制器4的输出通过透镜3和光循环器2发射。插入损耗的偏振依赖性可以被消除,因为 偏振平面旋转90°,入射光1以任何偏振平面返回到电吸收型光调制器4。 鉴于此,可以通过采用这种光学调制器来消除电吸收型光学调制器的偏振相关损耗,并且产生高性能的光学短脉冲产生装置,光学波形整形装置和光学解复用器。