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    • 3. 发明授权
    • Optical transmitter/receiver circuit device and receiver circuit
    • 光发射机/接收机电路设备和接收机电路
    • US08879923B2
    • 2014-11-04
    • US13603780
    • 2012-09-05
    • Hiroshi UemuraHideto Furuyama
    • Hiroshi UemuraHideto Furuyama
    • H04B10/00
    • H04B10/69H04B10/504H04B10/508
    • According to one embodiment, an optical transmitter/receiver circuit device includes a transmitter circuit including a transition time adjusting circuit to obtain a second voltage signal from a first voltage signal and a voltage-current converter circuit that converts the second voltage signal to a first current signal, a light-emitting element to convert the first current signal to an optical signal, a light-receiving element to convert the optical signal to a second current signal, and a receiver circuit including a current-voltage converter circuit that converts the second current signal to a third voltage signal, a pulse generation circuit to generate rise and fall pulse from the third voltage signal and a decoder circuit that generates a fourth voltage signal in synchronism with the pulse.
    • 根据一个实施例,光发射机/接收机电路装置包括发射机电路,该发射机电路包括过渡时间调整电路,以从第一电压信号获得第二电压信号;以及电压 - 电流转换器电路,其将第二电压信号转换为第一电流 信号,用于将第一电流信号转换为光信号的发光元件,将光信号转换为第二电流信号的光接收元件,以及包括电流 - 电压转换器电路的接收器电路,其将第二电流 信号到第三电压信号,脉冲发生电路,用于从第三电压信号产生上升和下降脉冲;以及解码器电路,其产生与脉冲同步的第四电压信号。
    • 4. 发明授权
    • Voltage output circuit, connector module, and active cable
    • 电压输出电路,连接器模块和有源电缆
    • US08835830B2
    • 2014-09-16
    • US13308646
    • 2011-12-01
    • Hiroshi UemuraIppei AkitaTetsuro ItakuraHideto Furuyama
    • Hiroshi UemuraIppei AkitaTetsuro ItakuraHideto Furuyama
    • H01J40/12H04B10/25H04B10/69
    • H04B10/69H04B10/25
    • According to one embodiment, a circuit comprises a first resistor configured to have one end to which a first voltage is input and the other end which outputs a second voltage and a first amplifier configured to have an inverting input connected to the other end of the first resistor and a noninverting input to which a third voltage is input. The circuit further comprises a first capacitor configured to have one end to which an output of the first amplifier is input and the other end to which the other end of the first resistor is connected. An output of the first amplifier or an output of a second amplifier connected to the other end of the first resistor is a fourth voltage. In the circuit, the first resistor and a mirror capacitance composed of the first capacitor and the first amplifier constitute a low-pass filter.
    • 根据一个实施例,电路包括第一电阻器,其被配置为具有输入第一电压的一端和输出第二电压的另一端和配置成具有连接到第一电压的另一端的反相输入的第一放大器 电阻器和输入第三电压的同相输入端。 电路还包括第一电容器,其被配置为具有输入第一放大器的输出的一端和第一电阻器的另一端连接到的另一端。 连接到第一电阻器的另一端的第一放大器的输出或第二放大器的输出是第四电压。 在该电路中,由第一电容器和第一放大器组成的第一电阻器和反射镜电容器构成低通滤波器。
    • 9. 发明授权
    • Mounting structure
    • 安装结构
    • US08380022B2
    • 2013-02-19
    • US12692889
    • 2010-01-25
    • Hiroshi UemuraHideto Furuyama
    • Hiroshi UemuraHideto Furuyama
    • G02B6/12
    • G02B6/43G02B6/4249
    • A mounting structure includes an optoelectronic interconnection module that includes electrical interconnection lines, optical interconnection lines, optical semiconductor device and electrical connection terminals, a mounting board that includes electrical interconnection lines and electrical connection terminals on a main surface and on which the optoelectronic interconnection module is mounted, and a connection member that electrically connects, adheres and fixes the electrical connection terminals and the electrical connection terminals. The optoelectronic interconnection module comprises a circuit area on which the optical semiconductor device is mounted and electrical connection terminals are formed and an interconnection area that is formed in a region other than the circuit area and in which the optical interconnection lines and electrical interconnection lines are formed, and the electrical connection terminals are formed on the interconnection area side rather than the optical semiconductor device.
    • 安装结构包括光电互连模块,其包括电互连线,光互连线,光半导体器件和电连接端子;安装板,其包括电互连线和主表面上的电连接端子,光电互连模块 以及电连接,粘接和固定电连接端子和电连接端子的连接构件。 光电互连模块包括其上安装有光学半导体器件的电路区域和电连接端子以及形成在电路区域以外的区域中并且形成光互连线和电互连线的互连区域 并且电连接端子形成在互连区域侧而不是光学半导体器件上。
    • 10. 发明授权
    • Transmitting circuit and complementary optical wiring system
    • 发射电路和互补光线路系统
    • US08112002B2
    • 2012-02-07
    • US12561560
    • 2009-09-17
    • Hiroshi UemuraHideto Furuyama
    • Hiroshi UemuraHideto Furuyama
    • H04B10/00
    • H04B10/801G02B6/4201
    • A transmitting circuit has a first transmitter configured to generate a first electric pulse signal in synchronization with a rising edge of a digital electric input signal, a second transmitter configured to generate a second electric pulse signal in synchronization with a falling edge of the digital electric input signal, a first variable impedance circuit configured to supply a bias current to a first light-emitting element only for a predetermined period before the first light-emitting element for converting the first electric pulse signal into a first light signal is supplied with the first electric pulse signal, and a second variable impedance circuit configured to supply a bias current to a second light-emitting element only for a predetermined period before the second light-emitting element for converting the second electric pulse signal into a second light signal is supplied with the second electric pulse signal.
    • 发射电路具有第一发射机,其被配置为与数字电输入信号的上升沿同步地产生第一电脉冲信号,第二发射机被配置为与数字电输入的下降沿同步地产生第二电脉冲信号 信号,第一可变阻抗电路被配置为仅在第一发光元件将第一电脉冲信号转换为第一光信号之前仅在预定时间段内向第一发光元件提供偏置电流,第一电 脉冲信号和第二可变阻抗电路,其被配置为在用于将第二电脉冲信号转换为第二光信号的第二发光元件之前仅在预定时间段内向第二发光元件提供偏置电流, 第二电脉冲信号。