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    • 31. 发明授权
    • Semiconductor laser driving circuit and semiconductor laser device
    • 半导体激光驱动电路和半导体激光器件
    • US06501775B2
    • 2002-12-31
    • US09814719
    • 2001-03-23
    • Toyoki TaguchiMakoto Morimoto
    • Toyoki TaguchiMakoto Morimoto
    • H01S300
    • H01S5/0683H01S5/042
    • There is provided an input circuit including a current/current conversion circuit and a current change-over circuit for converting an input control current into an inside control current; a control amplification circuit for amplifying a voltage corresponding to a difference current between an output current from the input circuit and a monitor current which is fed back from the photodetector for detecting a light output of the LD; an output circuit which is controlled with an output from the control amplification circuit; an offset compensation circuit for compensating for the offset generated between the input of the current/current conversion circuit and the output of the control amplification circuit, so that the offset is detected to compensate for the offset in the state in which the output of the control amplification circuit is cut off with the switch.
    • 提供一种输入电路,其包括用于将输入控制电流转换为内部控制电流的电流/电流转换电路和电流转换电路; 控制放大电路,用于放大对应于来自输入电路的输出电流之间的差电流的电压和从用于检测LD的光输出的光电检测器反馈的监视电流; 由控制放大电路的输出控制的输出电路; 偏移补偿电路,用于补偿在电流/电流转换电路的输入与控制放大电路的输出之间产生的偏移,从而检测偏移以补偿控制的输出状态的偏移 放大电路用开关切断。
    • 32. 发明授权
    • Automatic gang switch having a heat ray sensor
    • 具有热射线传感器的自动组合开关
    • US06369688B1
    • 2002-04-09
    • US09584139
    • 2000-05-31
    • Tatsuya AbeMasaharu FukushimaShiro MoriTakahiro YamanouchiHirotoshi WatanabeMakoto MorimotoHideki Kawahara
    • Tatsuya AbeMasaharu FukushimaShiro MoriTakahiro YamanouchiHirotoshi WatanabeMakoto MorimotoHideki Kawahara
    • H01H3732
    • H05B37/0227H03K17/94Y02B20/44Y10T307/773
    • The automatic gang switch having a heat ray sensor is fixedly mounted on a mounting frame having a generally rectangular opening. The length of a housing of the switch is approximately two thirds of that of the generally rectangular opening of the mounting frame, while the width of the housing is approximately equal to that of the generally rectangular opening of the mounting frame. The switch includes a human body detecting section for detecting heat rays emitted from a human body and a circuit section. The circuit section includes a control circuit for generating a control signal to turn a load on for a predetermined operation holding time when the human body detecting section generates a detection signal, a load control circuit connected to a power source and the load in series for turning on or off power supply to the load depending on the control signal, an off-time power circuit connected in parallel with the load control circuit and having an input impedance with which the load is not driven when the load control circuit is off, the off-time power circuit supplying an electric power to the control circuit when the load control circuit is off, and an on-time power circuit for supplying the electric power to the control circuit when the load control circuit is on. The switch further includes a time setting section for setting an operation holding time and a mode setting section for changing over an operation mode of the control circuit.
    • 具有热射线传感器的自动组合开关固定地安装在具有大致矩形开口的安装框架上。 开关的壳体的长度大约是安装框架的大致矩形开口的三分之二,而壳体的宽度大致等于安装框架的大致矩形开口的宽度。 开关包括用于检测从人体发射的热射线的人体检测部和电路部。 电路部分包括控制电路,用于当人体检测部分产生检测信号时,产生控制信号以使预定的操作保持时间变为负载,连接到电源的负载控制电路和用于转动的串联负载 根据控制信号对负载进行通电或断电,与负载控制电路并联连接并具有当负载控制电路断开时不驱动负载的输入阻抗的断电时间电源电路,关断 时间电源电路,当负载控制电路断开时向控制电路供电;以及接通电源电路,用于在负载控制电路接通时向控制电路供电。 开关还包括用于设定操作保持时间的时间设定部分和用于切换控制电路的操作模式的模式设置部分。