会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 22. 发明授权
    • Wavelength-division multiplexing optical transmission system and repeater station therein
    • 波分复用光传输系统及其中继台
    • US07006278B2
    • 2006-02-28
    • US10689749
    • 2003-10-22
    • Takeshi SakamotoTetsuo WadaYoshinori Tochiki
    • Takeshi SakamotoTetsuo WadaYoshinori Tochiki
    • H04B10/12
    • H04B10/2916H04J14/0221
    • Disclosed is a wavelength-division multiplexing optical transmission system in which an optical lossy medium, optical amplifiers and Raman amplifiers for compensating for loss in the optical lossy medium are cascade-connected. The system includes power-level equalizing means for equalizing optical power levels input to an optical amplifier of a succeeding stage by adjusting excitation ratio of a Raman amplifier; optical-SNR equalizing means for adjusting power levels at a transmitting end to equalize optical SNRs at a receiving end; and correction-value acquisition means for acquiring a correction value that represents an amount of change in power of each wavelength before and after optical-SNR equalization control. At control for equalizing power levels by a Raman amplifier, the power-level equalizing means performs equalization control using the correction value that represents the amount of change in power of each wavelength before and after optical-SNR equalization control the previous time, and the optical-SNR equalizing means subsequently performs optical-SNR equalization control.
    • 公开了一种波分复用光传输系统,其中用于补偿光损耗介质中的损耗的光损耗介质,光放大器和拉曼放大器是级联的。 该系统包括功率电平均衡装置,用于通过调节拉曼放大器的激励比来均衡输入到后级光放大器的光功率电平; 光学SNR均衡装置,用于调整发射端的功率电平以均衡接收端的光学SNR; 以及校正值获取装置,用于获取表示在光SNR均衡控制之前和之后的每个波长的功率变化量的校正值。 在通过拉曼放大器均衡功率电平的控制下,功率电平均衡装置使用表示前一次光SNR均衡控制之前和之后的每个波长的功率变化量的校正值来执行均衡控制,并且光学 -SNR均衡装置随后进行光信噪比均衡控制。
    • 24. 发明申请
    • Optical transmission network, optical transmission apparatus, dispersion compensator arrangement calculation apparatus and dispersion compensator arrangement calculation method
    • 光传输网络,光传输装置,色散补偿器布置计算装置和色散补偿器布置计算方法
    • US20050175279A1
    • 2005-08-11
    • US11101518
    • 2005-04-08
    • Ichiro NakajimaHiroaki TomofujiTakeshi SakamotoYuji Shimada
    • Ichiro NakajimaHiroaki TomofujiTakeshi SakamotoYuji Shimada
    • H04B10/2507H04B10/07H04B10/2525H04B10/27H04B10/275H04B10/29H04J14/00H04J14/02G02B6/28
    • H04B10/25253
    • An optical transmission network includes a first dispersion compensator arranged in a maximum dispersion span having a maximum dispersion value and searched out from within a maximum dispersion route having a maximum dispersion value from among routes of non-regeneration intervals within which a dispersion value before dispersion compensation does not satisfy an upper limit of a dispersion tolerance, and a second dispersion compensator arranged in a maximum dispersion span having a maximum dispersion value searched out from within a maximum dispersion route having a maximum dispersion value from among the routes when a dispersion compensator is successively arranged until a route of a non-regeneration interval within which a dispersion value of a certain channel does not satisfy the dispersion tolerance does not remain any more based on the dispersion value after the dispersion compensation with respect to the searched out maximum dispersion span. The dispersion compensation amounts of the first and second dispersion compensators are such that, when the dispersion compensation amount of the maximum dispersion span in which the first and second dispersion compensators are arranged is successively increased, the span has a residual dispersion value equal to or higher than a fixed range and the maximum dispersion route which relates to the spans has a residual dispersion value which satisfies the dispersion tolerance or the span has a residual dispersion value which is within the fixed range.
    • 光传输网络包括布置在具有最大色散值的最大色散跨度中的第一色散补偿器,并且从在非再生间隔的路径内具有最大色散值的最大色散路径内搜索出的第一色散补偿器,其中色散补偿之前的色散值 不满足色散公差的上限,并且在色散补偿器连续地从线路中具有最大色散值的最大色散路径中搜索出的具有最大色散值的最大色散范围内的第二色散补偿器 排列直到某个通道的色散值不满足色散容限的非再生间隔的路径基于相对于搜索出的最大色散跨度的色散补偿之后的色散值不再存在。 第一和第二色散补偿器的色散补偿量使得当排列第一和第二色散补偿器的最大色散跨度的色散补偿量依次增加时,跨度具有等于或等于更高的残余色散值 与固定范围相关联的最大色散路径与跨度相关的最大色散路径具有满足色散公差或跨度的残留色散值具有在固定范围内的残留色散值。
    • 26. 发明授权
    • Parallel redundancy encoding apparatus
    • 并行冗余编码装置
    • US06336192B1
    • 2002-01-01
    • US09249488
    • 1999-02-12
    • Takeshi SakamotoNobuyuki TanakaYasuhiro Ando
    • Takeshi SakamotoNobuyuki TanakaYasuhiro Ando
    • G06F1100
    • H04L25/14
    • A channel-to-channel skew compensation apparatus is provided with N number of frame synchronization circuits 11 for generating frame signals to indicate data position of parallel data on a common time axis for each data transmission channel; a reference timing determination circuit 16 for determining a reference timing based on N frame signals output from the frame synchronization circuit 11; a skewing amount detection section 15 for generating N skewing amount signals according to the reference timing determined by the reference timing determination circuit 16; and a timing compensation section 13 for adjusting output timing of parallel data for each transmission channel according to the skewing amount signal generated by the skewing amount detection section 15.
    • 通道间通道偏移补偿装置具有N个帧同步电路11,用于产生用于指示每个数据传输通道的公共时间轴上并行数据的数据位置的帧信号; 基准定时确定电路16,用于基于从帧同步电路11输出的N帧信号确定基准定时; 倾斜量检测部分15,用于根据由基准定时确定电路16确定的基准定时产生N个倾斜量信号; 以及定时补偿部13,用于根据由倾斜量检测部15生成的倾斜量信号来调整各传输路径的并行数据的输出定时。
    • 27. 发明授权
    • Solar collector
    • 太阳能收集器
    • US4469088A
    • 1984-09-04
    • US352153
    • 1982-02-25
    • Shunichi AnzaiTakeshi Sakamoto
    • Shunichi AnzaiTakeshi Sakamoto
    • F24J2/24F24J2/07F24J2/34F24J3/02
    • F24J2/34F24J2/07F24J2/4636F24J2002/241Y02E10/41
    • The present invention relates to a solar collector for obtaining high temperature thermal energy by collecting solar energy, especially to the improvement of performance and safety of an absorber tube containing thermal energy storage material. Precisely, the solar collector has a double tube structure at the focal line of a solar concentrator where thermal energy storage material changeable from a solid phase to a liquid phase is enclosed in the space between the inner tube and the outer tube, heat transfer fluid is introduced through the inner tube and the outer surface of the inner tube and the inner surface of the outer tube have partial contact with each other. Consequently, in accordance with the present invention, a part of the absorbed solar energy is transferred directly to the inner tube without passing through the thermal energy storage material and heats the heat transfer fluid efficiently because of the direct contact of the inner and outer tubes.
    • 本发明涉及一种用于通过收集太阳能获得高温热能的太阳能收集器,特别涉及提高含有热能储存材料的吸收管的性能和安全性。 准确地说,太阳能收集器在太阳能集中器焦点处具有双管结构,其中从固相向液相变化的热能储存材料封闭在内管和外管之间的空间中,传热流体为 通过内管和内管的外表面引入并且外管的内表面彼此部分接触。 因此,根据本发明,吸收的太阳能的一部分直接传递到内管而不通过热能储存材料,并且由于内管和外管的直接接触而有效地加热传热流体。