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公开(公告)号：US20050104661A1
公开(公告)日：2005-05-19
申请号：US10913538
申请日：2004-08-09
申请人： Hiroyuki Rokugawa , Takuji Yamamoto
发明人： Hiroyuki Rokugawa , Takuji Yamamoto
CPC分类号： H03F3/45188 , H03F2203/45352 , H03F2203/45368 , H03F2203/45462 , H03F2203/45554
摘要： A differential amplifier suitably adapted to an ultra-high-speed signal transmitting apparatus. The differential amplifier includes a first inductor located between a differential transistor and a gate grounded transistor, an optional second inductor located between a load resistor and a power supply, and an optional third inductor located between a source follower transistor and an output terminal.
摘要翻译： 适合于超高速信号发送装置的差分放大器。 差分放大器包括位于差分晶体管和栅极接地晶体管之间的第一电感器，位于负载电阻器和电源之间的可选的第二电感器，以及位于源极跟随器晶体管和输出端子之间的可选的第三电感器。
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公开(公告)号：US07119617B2
公开(公告)日：2006-10-10
申请号：US10913538
申请日：2004-08-09
申请人： Hiroyuki Rokugawa , Takuji Yamamoto
发明人： Hiroyuki Rokugawa , Takuji Yamamoto
CPC分类号： H03F3/45188 , H03F2203/45352 , H03F2203/45368 , H03F2203/45462 , H03F2203/45554
摘要： A differential amplifier suitably adapted to an ultra-high-speed signal transmitting apparatus. The differential amplifier includes a first inductor located between a differential transistor and a gate grounded transistor, an optional second inductor located between a load resistor and a power supply, and an optional third inductor located between a source follower transistor and an output terminal.
摘要翻译： 适合于超高速信号发送装置的差分放大器。 差分放大器包括位于差分晶体管和栅极接地晶体管之间的第一电感器，位于负载电阻器和电源之间的可选的第二电感器，以及位于源极跟随器晶体管和输出端子之间的可选的第三电感器。
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公开(公告)号：US07266308B2
公开(公告)日：2007-09-04
申请号：US11203544
申请日：2005-08-15
申请人： Tadao Inoue , Tadashi Ikeuchi , Hiroyuki Rokugawa , Masaaki Kawai , Norio Ueno , Norio Murakami , Toru Matsuyama , Makoto Miki , Toshiyuki Takauji
发明人： Tadao Inoue , Tadashi Ikeuchi , Hiroyuki Rokugawa , Masaaki Kawai , Norio Ueno , Norio Murakami , Toru Matsuyama , Makoto Miki , Toshiyuki Takauji
CPC分类号： H01S5/0683 , H01S5/06825
摘要： Using a switching signal from a coarse/fine switching and operation mode switching circuit, the width of change of a counter control value during power up is increased, and the width of change is reduced once a steady state is reached. In the steady state, the frequency of updating is limited by a control signal from an update permit control circuit. In the steady state, the frequency band of a current source in an LD driving circuit is reduced in width.
摘要翻译： 使用来自粗/精切换和动作模式切换电路的切换信号，上电期间的计数器控制值的变化幅度增大，一旦达到稳定状态，则变化幅度减小。 在稳定状态下，更新频率受来自更新许可控制电路的控制信号的限制。 在稳态中，LD驱动电路中的电流源的频带宽度减小。
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4.发明授权
公开(公告)号：US5848084A
公开(公告)日：1998-12-08
申请号：US701794
申请日：1996-08-26
申请人： Hiroyuki Rokugawa
发明人： Hiroyuki Rokugawa
IPC分类号： G02B6/42 , H01S5/00 , H01S5/022 , H01S5/026 , H01S5/042 , H01S5/06 , H01S5/0625 , H04B10/00 , H04B10/40 , H04B10/50 , H04B10/60 , H01S3/19
CPC分类号： H01S5/0265 , H01S5/0224 , H01S5/02276 , H01S5/02284 , H01S5/0425 , H01S5/0427
摘要： A semiconductor light source for an optical transmitter which includes at least one DC supply unit and at least one AC supply unit, comprises a DC signal source connected to the DC supply unit in order to supply a drive signal thereto; and an AC signal source connected to the AC supply unit in order to supply a control signal thereto; wherein turning on or off an optical output by the semiconductor light source is controlled by using a control signal having the same electric polarity as the drive signal.
摘要翻译： 一种用于光发射机的半导体光源，其包括至少一个DC电源单元和至少一个AC电源单元，包括连接到DC电源单元的DC信号源，以向其提供驱动信号; 以及AC信号源，连接到AC电源单元以向其提供控制信号; 其中通过使用具有与驱动信号相同的电极性的控制信号来控制由半导体光源导通或关断光输出。
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公开(公告)号：US08386991B2
公开(公告)日：2013-02-26
申请号：US12975988
申请日：2010-12-22
申请人： Katsuya Ogata , Hiroyuki Rokugawa
发明人： Katsuya Ogata , Hiroyuki Rokugawa
IPC分类号： G06F17/50
CPC分类号： G06F17/5036
摘要： A design support apparatus includes: a circuit-data generation unit to generate circuit data based on layout information of a semiconductor integrated circuit; and a parameter determination unit to set a first parameter relating to mechanical stress exerted on a transistor including at least one of a plurality of gates in a diffusion region, wherein the circuit-data generation unit obtains a mobility of the transistor based on the first parameter and reflects the mobility in the circuit data.
摘要翻译： 设计支持装置包括：电路数据生成单元，用于基于半导体集成电路的布局信息生成电路数据; 以及参数确定单元，用于设置与包括扩散区域中的多个栅极中的至少一个的晶体管相关的机械应力的第一参数，其中所述电路数据生成单元基于所述第一参数获得所述晶体管的迁移率 并反映电路数据中的移动性。
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公开(公告)号：US20060024068A1
公开(公告)日：2006-02-02
申请号：US11203544
申请日：2005-08-15
申请人： Tadao Inoue , Tadashi Ikeuchi , Hiroyuki Rokugawa , Masaaki Kawai , Norio Ueno , Norio Murakami , Toru Matsuyama , Makoto Miki , Toshiyuki Takauji
发明人： Tadao Inoue , Tadashi Ikeuchi , Hiroyuki Rokugawa , Masaaki Kawai , Norio Ueno , Norio Murakami , Toru Matsuyama , Makoto Miki , Toshiyuki Takauji
CPC分类号： H01S5/0683 , H01S5/06825
摘要： Using a switching signal from a coarse/fine switching and operation mode switching circuit, the width of change of a counter control value during power up is increased, and the width of change is reduced once a steady state is reached. In the steady state, the frequency of updating is limited by a control signal from an update permit control circuit. In the steady state, the frequency band of a current source in an LD driving circuit is reduced in width.
摘要翻译： 使用来自粗/精切换和动作模式切换电路的切换信号，上电期间的计数器控制值的变化幅度增大，一旦达到稳定状态，则变化幅度减小。 在稳定状态下，更新频率受来自更新许可控制电路的控制信号的限制。 在稳态中，LD驱动电路中的电流源的频带宽度减小。
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7.发明授权Optical processing device operating in a wavelength-synchronized mode and an optical circuit exchanger that uses such an optical processing device 失效以波长同步模式工作的光学处理装置和使用这种光学处理装置的光学电路交换器
公开(公告)号：US5715075A
公开(公告)日：1998-02-03
申请号：US293598
申请日：1994-08-22
申请人： Kazuhiro Tanaka , Kiyohide Wakao , Hiroyuki Nobuhara , Nobuhiro Fujimoto , Hiroyuki Rokugawa , Satoshi Kuroyanagi
发明人： Kazuhiro Tanaka , Kiyohide Wakao , Hiroyuki Nobuhara , Nobuhiro Fujimoto , Hiroyuki Rokugawa , Satoshi Kuroyanagi
CPC分类号： H04Q11/0005 , H04B10/506 , H04B10/572 , H04Q2011/0009 , H04Q2011/0011 , H04Q2011/0013 , H04Q2011/0018 , H04Q2011/0039 , H04Q2011/0041 , H04Q2011/0052 , H04Q2011/0058
摘要： An optical processing device for converting a wavelength of an optical signal comprises an optical processing unit supplied with an input optical beam carrying thereon one or more optical signals with respective wavelengths that are different from each other, the optical processing means being further supplied with a control optical beam having a stabilized reference wavelength and selecting the optical signal that has a first wavelength and outputting the same with a second wavelength that is specified by the reference wavelength; and a control unit for controlling the optical processing unit by specifying the first wavelength of the optical beam to be selected.
摘要翻译： 用于转换光信号的波长的光处理装置包括：光学处理单元，其被提供有输入光束，其上承载有一个或多个具有彼此不同的波长的光信号，光处理装置还被提供控制 光束具有稳定的参考波长并选择具有第一波长的光信号并以由参考波长指定的第二波长输出; 以及控制单元，用于通过指定要选择的光束的第一波长来控制光学处理单元。
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公开(公告)号：US07068747B2
公开(公告)日：2006-06-27
申请号：US09952191
申请日：2001-09-14
IPC分类号： H04L7/02
摘要： In a data decision circuit: a clock generation unit generates a clock signal based on a phase difference signal so that the clock signal has an optimum phase with respect to a phase of an input data signal; a data determination unit determines data values carried by the input data signal, by using the clock signal; a phase-difference detection unit detects a rising-side phase difference and a falling-side phase difference, where the rising-side phase difference is a phase difference between a rising of the input data signal and a next transition in the clock signal, and the falling-side phase difference is a phase difference between the transition and a next falling of the input data signal; and a phase-difference-signal generation unit generates the phase difference signal so as to represent a difference between the rising-side phase difference and the falling-side phase difference.
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公开(公告)号：US5796792A
公开(公告)日：1998-08-18
申请号：US581158
申请日：1995-12-29
申请人： Hiroyuki Rokugawa
发明人： Hiroyuki Rokugawa
CPC分类号： H04L7/0338
摘要： A device for identifying input data by using a first clock signal includes a first identifying unit which identifies the input data by using the first clock signal to generate first identified data and generates a first phase-relation determination result by determining whether a phase relation between the input data and the first clock signal is appropriate, a delay unit for delaying the input data by a predetermined phase amount to generate delayed input data, a second identifying unit which identifies the delayed input data by using the first clock signal to generate second identified data and generates a second phase-relation determination result by determining whether a phase relation between the delayed input data and the first clock signal is appropriate, and a selection unit which selects one of the first identified data and the second identified data based on at least one of the first phase-relation determination result and the second phase-relation determination result.
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公开(公告)号：US06975813B1
公开(公告)日：2005-12-13
申请号：US09505783
申请日：2000-02-17
申请人： Tadao Inoue , Tadashi Ikeuchi , Hiroyuki Rokugawa , Masaaki Kawai , Norio Ueno , Norio Murakami , Toru Matsuyama , Makoto Miki , Toshiyuki Takauji
发明人： Tadao Inoue , Tadashi Ikeuchi , Hiroyuki Rokugawa , Masaaki Kawai , Norio Ueno , Norio Murakami , Toru Matsuyama , Makoto Miki , Toshiyuki Takauji
CPC分类号： H01S5/0683 , H01S5/06825
摘要： Using a switching signal from a coarse/fine switching and operation mode switching circuit, the width of change of a counter control value during power up is increased, and the width of change is reduced once a steady state is reached. In the steady state, the frequency of updating is limited by a control signal from an update permit control circuit. In the steady state, the frequency band of a current source in an LD driving circuit is reduced in width.
摘要翻译： 使用来自粗/精切换和动作模式切换电路的切换信号，上电期间的计数器控制值的变化幅度增大，一旦达到稳定状态，则变化幅度减小。 在稳定状态下，更新频率受来自更新许可控制电路的控制信号的限制。 在稳态中，LD驱动电路中的电流源的频带宽度减小。
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