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    • 2. 发明授权
    • Dispersion compensating method, dispersion compensating apparatus and optical transmission system
    • 色散补偿方法,色散补偿装置和光传输系统
    • US06871024B2
    • 2005-03-22
    • US09866646
    • 2001-05-30
    • Hiroshi NishimotoSatoshi Mikami
    • Hiroshi NishimotoSatoshi Mikami
    • H04B10/2507H04B10/07H04B10/2519H04B10/2525H04B10/2569H04B10/18H04J14/02
    • H04B10/25133H04B10/25137H04J14/0221
    • The present invention aims at realizing a dispersion compensating method capable of readily conducting automatic compensation of waveform degradation caused by dispersion characteristics of an optical transmission path, and at providing a dispersion compensating apparatus and an optical transmission system, of a smaller size at a reduced cost. To this end, the dispersion compensating apparatus of the present invention comprises: a variable dispersion compensator for compensating for the dispersion of optical signal input via an optical transmission path; a bit error information monitoring circuit for generating bit error information of a received signal output from the variable dispersion compensator via an optical receiving circuit; and a controlling circuit for optimally controlling a wavelength dispersion value of the variable dispersion compensator based on the bit error information from the bit error information monitoring circuit.
    • 本发明旨在实现一种色散补偿方法,其能够容易地进行由光传输路径的色散特性引起的波形劣化的自动补偿,并且以更低的成本提供更小尺寸的色散补偿装置和光传输系统 。 为此,本发明的色散补偿装置包括:可变色散补偿器,用于补偿经由光传输路径输入的光信号的色散; 误差信息监视电路,用于经由光接收电路产生从可变色散补偿器输出的接收信号的位误差信息; 以及控制电路,用于根据位错误信息监视电路的位错误信息,最佳地控制可变色散补偿器的波长色散值。
    • 5. 发明授权
    • Radar device
    • 雷达设备
    • US07486225B2
    • 2009-02-03
    • US11902651
    • 2007-09-24
    • Satoshi MikamiMasayoshi Sueya
    • Satoshi MikamiMasayoshi Sueya
    • G01S13/42
    • H04B1/7085
    • A data code generator produces a data code, while a reference code generator produces a reference code. The data code is phase-shifted by the data code generator in a predetermined sweep range, according to a sweep command signal given by a phase difference detector. The phase difference detector compares the phase of the data code with that of the reference code to obtain phase difference data. Based on the phase difference data, a correction signal generator produces a correction signal to keep the data code in phase with the reference, code. The phase setter optimizes the phase of the data code according to the correction signal.
    • 数据代码生成器生成数据代码,而参考代码生成器生成参考代码。 根据由相​​位差检测器给出的扫描命令信号,数据码由数据码发生器在预定的扫描范围内相移。 相位差检测器将数据码的相位与参考码的相位进行比较,以获得相位差数据。 基于相位差数据,校正信号发生器产生校正信号,以使数据代码与参考代码保持同相。 相位设定器根据校正信号优化数据码的相位。
    • 6. 发明申请
    • Composition and polymer light-emitting device
    • 成分和聚合物发光装置
    • US20070103059A1
    • 2007-05-10
    • US10556771
    • 2004-05-14
    • Yoshiaki TsubataSatoshi MikamiChizu Sekine
    • Yoshiaki TsubataSatoshi MikamiChizu Sekine
    • H01L51/00H01J1/62C08L25/02
    • H05B33/14C08G61/125C08G61/126C08G73/02C08G73/06C09K11/06C09K2211/1433
    • A composition comprising a polymer compound having a polystyrene reduced number-average molecular weight of 103-108, and a compound showing light-emission from triplet excited state, and said polymer compound comprises a repeating unit of the following formula (1); and a polymer complex compound having visible light-emission in the solid state, and including a repeating unit of the above formula (1), a repeating unit selected from the above formulas (12) and (13), and a metal complex structure showing light-emission from triplet excited state: wherein, Ring P and Ring Q represent an aromatic ring, Y represents —O—, —S—, etc.; Ar15 and Ar16 represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; R40 represents an alkyl group, etc.; X represents a single bond, etc.; Ar6, Ar7, Ar8, and Ar9 represent an arylene group, etc.; Ar10, Ar11, and Ar12 represent aryl group, etc.; and x and y each independently represent 0 or 1, and 0≦x+y≦1.
    • 一种组合物,其包含聚苯乙烯换算的数均分子量为10 3〜10 8的高分子化合物,以及显示出来自三线态激发态的发光的化合物,所述 高分子化合物包含下式(1)的重复单元; 和具有固态的可见光发射的聚合物络合物,并且包含上述式(1)的重复单元,选自上述式(12)和(13)的重复单元和显示 三重激发态的发光:其中,环P和环Q表示芳环,Y表示-O - , - S-等; Ar 15和Ar 16代表三价芳族烃基或三价杂环基; R 40代表烷基等; X表示单键等; Ar 6,Ar 7,Ar 8和Ar 9代表亚芳基等; Ar 11,Ar 11和Ar 12代表芳基等; x和y各自独立地表示0或1,0 <= x + y <= 1。