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公开(公告)号：US5642183A
公开(公告)日：1997-06-24
申请号：US294351
申请日：1994-08-23
IPC分类号： G03F7/20 , H01L21/027 , G03B27/42 , G03B27/52
CPC分类号： G03F7/70091 , G03F7/701 , G03F7/70125 , G03F7/70191 , G03F7/70308
摘要： A spatial filter used in a reduction-type projection printing apparatus includes a central region through which a light beam passes at transmittance of at most a prescribed value, a substantially transparent peripheral region which surrounds the central region, and a phase shifter for producing phase difference of 180.degree. between light beams passing through the central region and the peripheral region.
摘要翻译： 在还原型投影印刷装置中使用的空间滤光器包括光束以最多规定值的透射率通过的中心区域，围绕中央区域的实质上透明的周边区域，以及用于产生相位差的移相器 在通过中心区域的光束与周边区域之间为180°。
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公开(公告)号：US5396311A
公开(公告)日：1995-03-07
申请号：US118812
申请日：1993-09-10
CPC分类号： G03F7/701
摘要： A filter for use in a projection photolithographic system comprising:a circular light-impervious part for screening substantially 100% on the pupil of a projection lens the 0th-order diffracted light of a pattern to be projected on a substrate;a ring-like translucent part concentrically contacting the periphery of the circular light-impervious part to transmit on the pupil part of the 0th-order diffracted light and the +1st- or the -1st-order diffracted light of the pattern; anda ring-like light-pervious part concentrically contacting the periphery of the ring-like translucent part to transmit substantially 100% on the pupil the .+-.1st-order diffracted light of the pattern.
摘要翻译： 一种用于投影光刻系统的滤光器，包括：圆形不透光部分，用于基本上在投影透镜的瞳孔上屏蔽待投影在图案上的图案的0级衍射光; 与圆形不透光部分的周边同心接触的环状半透明部分，以在图案的0级衍射光和+ 1级或-1级衍射光的瞳孔部分上传播; 以及环状透光部分，其同心地接触环状半透明部分的周边，以使瞳孔上的基本上100％的图案的+/- 1次衍射光。
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公开(公告)号：US4889561A
公开(公告)日：1989-12-26
申请号：US697932
申请日：1985-02-04
CPC分类号： C08B15/005 , C08G18/6484 , G01N27/121
摘要： A moisture sensitive material prepared by crosslinking cellulose acetate through at least one compound selected from the group consisting of compounds containing two or more isocyanate groups; compounds containing two or more epoxy groups; compounds containing two or more carboxyl groups ##STR1## and acid anhydrides of carboxylic acids.
摘要翻译： 通过使选自含有两个以上异氰酸酯基的化合物中的至少一种化合物交联乙酸纤维素而制备的湿敏材料; 含有两个或多个环氧基的化合物; 含有两个或多个羧基的化合物和羧酸的酸酐。
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公开(公告)号：US4729240A
公开(公告)日：1988-03-08
申请号：US839731
申请日：1986-03-14
CPC分类号： G01L11/02
摘要： A pressure sensor element includes a polymer optical conductor which includes a substrate, a first organic polymer film formed on the substrate, a second organic polymer film superposed on the first organic polymer film, and an optical reflecting film provided on a patterned end face of the first organic polymer film. The first organic polymer film portion within the pattern has a refractive index different from that of the substrate. The first organic polymer film portion outside the pattern has substantially the same refractive index as the substrate. The refractive index of the second organic polymer film is substantially the same as that of the first organic polymer film portion outside the pattern. At least either one of the refractive indexes of the first and second organic polymer films changes with pressure fluctuation.
摘要翻译： 压力传感器元件包括聚合物光导体，其包括基板，形成在基板上的第一有机聚合物膜，叠置在第一有机聚合物膜上的第二有机聚合物膜和设置在第一有机聚合物膜的图案化端面上的光反射膜 第一有机聚合物膜。 图案内的第一有机聚合物膜部分的折射率与基板的折射率不同。 图案之外的第一有机聚合物膜部分具有与基底基本上相同的折射率。 第二有机聚合物膜的折射率与图案之外的第一有机聚合物膜部分的折射率基本相同。 第一和第二有机聚合物膜的折射率中的至少一个随着压力波动而变化。
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公开(公告)号：US20150236792A1
公开(公告)日：2015-08-20
申请号：US14422493
申请日：2012-09-12
申请人： Takashi Sugihara , Tsuyoshi Yoshida
发明人： Takashi Sugihara , Tsuyoshi Yoshida
IPC分类号： H04B10/564 , H04B10/516
CPC分类号： H04B10/564 , G02F1/0123 , G02F1/035 , H04B10/50575 , H04B10/516 , H04B10/541
摘要： An optical transmitter for modulating light from a light source to generate an optical transmission signal with use of a data sequence as an electric signal, the optical transmitter including: a mapping section for mapping the data sequence to be converted into multi-level data based on modulation multi-level degree information indicating multi-level degree of the modulation; a D/A converter for converting the multi-level data output from the mapping section into an analog signal; an optical modulator to be driven based on the analog signal output from the D/A converter, for modulating the light from the light source; and a bias control section for setting control polarity of DC bias control of the optical modulator based on the modulation multi-level degree information.
摘要翻译： 一种用于调制来自光源的光以使用数据序列作为电信号产生光传输信号的光发射机，所述光发射机包括：映射部分，用于将要转换的数据序列映射到多级数据，基于 调制多级度信息表示多级调制度; D / A转换器，用于将从映射部分输出的多电平数据转换为模拟信号; 基于从D / A转换器输出的模拟信号驱动的光调制器，用于调制来自光源的光; 以及偏置控制部，其基于所述调制多级度信息来设定所述光调制器的DC偏置控制的控制极性。
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56.发明申请公开(公告)号：US20140133867A1
公开(公告)日：2014-05-15
申请号：US14233267
申请日：2012-10-17
IPC分类号： H04B10/516
CPC分类号： H04B10/516 , H04B10/2513 , H04B10/50572 , H04B10/5161 , H04B10/5162 , H04B2210/254
摘要： A pre-equalization optical transmitter includes: a tap coefficient selecting unit for saving, in advance, a tap coefficients for generating an RZ pre-equalization signal and an NRZ pre-equalization signal, and for selecting and outputting one of the tap coefficients according to the value of a parameter that is a factor of transmission power fluctuations; a pre-equalization signal generating unit for generating the RZ pre-equalization signal or the NRZ pre-equalization signal based on the tap coefficient; and a modulating unit for generating a pre-equalization optical transmission signal by modulating an optical signal input from a light source by using a signal obtained through D/A conversion and amplification of the RZ pre-equalization signal or the NRZ pre-equalization signal, wherein a transmission method is switched between an RZ method and NRZ method by switching the tap coefficients by the tap coefficient selecting unit.
摘要翻译： 预均衡光发射机包括：抽头系数选择单元，用于预先保存用于产生RZ预均衡信号和NRZ预均衡信号的抽头系数，并用于根据所述抽头系数选择并输出其中一个抽头系数 作为传输功率波动因子的参数的值; 预均衡信号产生单元，用于基于抽头系数产生RZ预均衡信号或NRZ预均衡信号; 以及调制单元，用于通过使用通过D / A转换获得的信号和RZ预均衡信号或NRZ预均衡信号的放大来调制从光源输入的光信号来产生预均衡光传输信号， 其中通过由抽头系数选择单元切换抽头系数，在RZ方法和NRZ方法之间切换传输方法。
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公开(公告)号：US08718487B2
公开(公告)日：2014-05-06
申请号：US13140955
申请日：2010-01-13
IPC分类号： H04B10/00
CPC分类号： H04L27/36 , H04B10/5053 , H04B10/5055 , H04B10/516
摘要： An optical transmitter for converting an input data series into an optical multi-level signal and for outputting the same, includes an LUT in which data for executing optical multi-level modulation is stored and from which first modulation data and second modulation data are output based on the input data series. A DAC converts the first modulation data by D/A conversion to generate a first multi-level signal. A DAC converts the second modulation data by D/A conversion to generate a second multi-level signal. A dual-electrode MZ modulator includes a first phase modulator for modulating light from a light source in accordance with the first multi-level signal and a second phase modulator for modulating light from the light source in accordance with the second multi-level signal, and combines an optical signal from the first phase modulator and an optical signal from the second phase modulator to output the optical multi-level signal.
摘要翻译： 用于将输入数据序列转换为光学多级信号并用于输出的光发送器包括：LUT，其中存储用于执行光学多电平调制的数据，并从其输出第一调制数据和第二调制数据 在输入数据系列上。 DAC通过D / A转换来转换第一调制数据以产生第一多电平信号。 DAC通过D / A转换来转换第二调制数据以产生第二多电平信号。 双电极MZ调制器包括用于根据第一多电平信号调制来自光源的光的第一相位调制器和用于根据第二多电平信号调制来自光源的光的第二相位调制器，以及 组合来自第一相位调制器的光信号和来自第二相位调制器的光信号以输出光多电平信号。
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公开(公告)号：US08645806B2
公开(公告)日：2014-02-04
申请号：US12775825
申请日：2010-05-07
申请人： Takashi Sugihara , Takashi Mizuochi , Kazuo Kubo
发明人： Takashi Sugihara , Takashi Mizuochi , Kazuo Kubo
IPC分类号： H03M13/45
CPC分类号： H04L25/067
摘要： An optical receiving apparatus includes: an A/D converting circuit; a received-signal demodulating circuit that demodulates a received digital signal from the A/D converting circuit into an m-bit received signal; a soft-decision-data generating circuit that generates n-bit (n≦m) soft-decision data based on the m-bit received signal; and an error correcting circuit that performs error correction based on the n-bit soft-decision data and outputs an error-corrected received signal. The soft-decision-data generating circuit generates soft-decision data of n bits (n=p+1) that corresponds to a determination result according to 2n−1 soft-decision thresholds, by using an MSB of the m-bit received signal as hard-decision data, and by using, as reliability information, a result of comparison between a plurality of bits (k bits, where k≦m) on an MSB side of the m-bit received signal and a fixed threshold, or p bits (p≦m−k) selected from (m−k) bits on an LSB side of the m-bit received signal.
摘要翻译： 一种光接收装置，包括：A / D转换电路; 接收信号解调电路，将接收到的数字信号从A / D转换电路解调为m位接收信号; 软判决数据产生电路，其基于所述m位接收信号产生n位（n @ m）个软判决数据; 以及错误校正电路，其基于n位软判决数据进行纠错，并输出纠错接收信号。 软判决数据生成电路通过使用m比特接收信号的MSB，生成与根据2n-1个软判定阈值的判定结果对应的n位（n = p + 1）的软判决数据 作为硬判决数据，并且通过使用作为可靠性信息的m位接收信号的MSB侧的多个位（k位，其中k @ m）与固定阈值之间的比较结果，或者p 从m位接收信号的LSB侧的（mk）位中选择的位（p @ mk）。
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公开(公告)号：US08495475B2
公开(公告)日：2013-07-23
申请号：US12767120
申请日：2010-04-26
申请人： Kazuo Kubo , Takashi Mizuochi , Takashi Sugihara
发明人： Kazuo Kubo , Takashi Mizuochi , Takashi Sugihara
IPC分类号： G06F11/00
CPC分类号： H03M13/2792 , H03M13/1102 , H03M13/1515 , H03M13/152 , H03M13/23 , H03M13/2906 , H03M13/2933 , H03M13/2936 , H03M13/2966 , H04J3/1652 , H04J2203/0089 , H04L1/0041 , H04L1/0065 , H04L2001/0096
摘要： An FEC frame structuring device includes a multi-lane distributing unit that distributes a data frame to be transmitted to n lanes, FEC coding units each performs FEC coding of the distributed data frame independently for each of the n lanes to generate an FEC frame, a multiplexing unit that multiplexes the FEC frame from the FEC coding units by relating to m channels of an optical signal, a demultiplexing unit that demultiplexes the m channels of the received optical signal by relating to the n lanes, FEC decoding units each performs FEC decoding of the demultiplexed FEC frame independently for each of the n lanes, and a multi-lane synchronizing unit that synchronizes the n lanes with each other after the FEC decoding performed by the FEC decoding units to reconstruct the original data frame.
摘要翻译： FEC帧结构设备包括分配要发送的数据帧到n个通道的多通道分配单元，FEC编码单元各自独立地对n个通道中的每一个执行分布式数据帧的FEC编码以生成FEC帧， 多路复用单元，其通过与光信号的m个信道相关的FEC编码单元来复用FEC帧;解复用单元，通过与n个通道相关来对接收到的光信号的m个信道进行解复用，FEC解码单元各自执行FEC解码 对于n个通道中的每一个独立地解复用的FEC帧，以及多个通道同步单元，其在由FEC解码单元执行的FEC解码之后使n个通道彼此同步以重建原始数据帧。
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公开(公告)号：US08463138B2
公开(公告)日：2013-06-11
申请号：US12826129
申请日：2010-06-29
CPC分类号： H04B10/50575 , G02F1/0123 , G02F1/2255 , H04B10/564
摘要： Provided is a multi-value optical transmitter in which a DC bias may be controlled to be stabilized so as to obtain stable optical transmission signal quality in multi-value modulation using a dual-electrode MZ modulator. The multi-value optical transmitter includes: D/A converters for performing D/A conversion on first and second modulation data which are set based on an input data series, so as to generate a first and a second multi-value signal, respectively; a dual-electrode MZ modulator including phase modulators for modulating light from a light source based on the first multi-value signal and the second multi-value signal, so as to combine optical signals from the phase modulators to output the optical multi-value signal; an optical output power monitor for detecting average power of the optical multi-value signal; and a DC bias control unit for controlling a DC bias for the dual-electrode MZ modulator, so as to maximize the average power.
摘要翻译： 提供了一种多值光发射机，其中可以将DC偏压控制为稳定，以便使用双电极MZ调制器在多值调制中获得稳定的光传输信号质量。 多值光发射机包括：D / A转换器，用于对基于输入数据序列设置的第一和第二调制数据执行D / A转换，以分别产生第一和第二多值信号; 一种双电极MZ调制器，包括基于第一多值信号和第二多值信号调制来自光源的光的相位调制器，以便组合来自相位调制器的光信号以输出光学多值信号 ; 用于检测光学多值信号的平均功率的光输出功率监视器; 以及用于控制双电极MZ调制器的DC偏压的DC偏置控制单元，以使平均功率最大化。
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