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    • 3. 发明授权
    • Circuit arrangement for rapidly charging a battery
    • 用于快速充电电池的电路布置
    • US4609861A
    • 1986-09-02
    • US673059
    • 1984-11-19
    • Masahiro InaniwaShun SuzukiYoichi Ogawa
    • Masahiro InaniwaShun SuzukiYoichi Ogawa
    • H02J7/10H02J7/00H02J7/04
    • H02J7/0088H02J7/0073
    • A quick battery charger according to the present invention comprises a circuit for detecting the voltage of the battery (3), a constant-current charging circuit, a constant-voltage charging circuit, and a timer circuit responsive to the voltage detecting circuit. At the beginning in charging operation, the battery is charged at a constant current, and when the voltage of the battery exceeds a predetermined value, charging mode is changed to constant-voltage charging which last for a predetermined period of time determined by the timer circuit. The charger may also comprise a trickle charge circuit so that trickle charge takes place after the constant-voltage charge. One or more heat-sensitive elements (5, 6, 69) may be used for providing temperature compensation or fail-safe in response to the heat from the battery and heat from parts of the battery charger. As a timer may be used a capacitor (50) which may be forcibly charged to insure a given period of time of the constant-voltage charging. A differential amplifier (42) may be used for detecting the voltage of the battery so that a power transistor (13) used as an element of the constant-current charging circuit is controlled in response to an output signal from the differential amplifier (42) to perform constant-voltage charging.
    • 根据本发明的快速电池充电器包括用于检测电池(3)的电压的电路,恒流充电电路,恒压充电电路和响应于电压检测电路的定时器电路。 在充电操作开始时,电池以恒定电流充电,并且当电池的电压超过预定值时,将充电模式改变为持续由定时器电路确定的预定时间段的恒定电压充电 。 充电器还可以包括涓流充电电路,使得在恒定电压充电之后发生涓流充电。 可以使用一个或多个热敏元件(5,6,69)来响应于来自电池的热量和来自电池充电器的部件的热量来提供温度补偿或故障安全。 由于可以使用可以强制充电以确保恒定电压充电的给定时间段的电容器(50)。 可以使用差分放大器(42)来检测电池的电压,使得响应于来自差分放大器(42)的输出信号来控制用作恒流充电电路的元件的功率晶体管(13) 进行恒压充电。
    • 5. 发明授权
    • Bioelectrical impedance measuring device
    • 生物电阻抗测量装置
    • US07060914B2
    • 2006-06-13
    • US10862453
    • 2004-06-08
    • Shun Suzuki
    • Shun Suzuki
    • G01G21/28A61B5/05
    • A61B5/0537
    • A bioelectrical impedance measuring device comprises a first electrode unit and a second electrode unit which are nearly rectangular in shape and have electrodes for measuring a bioelectrical impedance on the top surfaces thereof, and a control circuit unit which incorporates an electric control circuit for measuring a bioelectrical impedance and is detachably attached to the first electrode unit and the second electrode unit via connection terminals. Accordingly, a user can disassemble the device into the control circuit unit, the first electrode unit and the second electrode unit and stack these units and can therefore carry around or store the device easily.
    • 生物电阻抗测量装置包括第一电极单元和第二电极单元,其第一电极单元和第二电极单元近似矩形,并且具有用于测量其顶表面上的生物电阻抗的电极,以及控制电路单元,其包括用于测量生物电 并且经由连接端子可拆卸地附接到第一电极单元和第二电极单元。 因此,用户可以将装置分解成控制电路单元,第一电极单元和第二电极单元并堆叠这些单元,因此可以容易地携带或存储设备。
    • 7. 发明授权
    • An EDP checker including a matching circuit
    • EDP​​检查器包括匹配电路
    • US5477154A
    • 1995-12-19
    • US269377
    • 1994-06-30
    • Kumio TakahashiShun SuzukiToshiaki Koizumi
    • Kumio TakahashiShun SuzukiToshiaki Koizumi
    • G01R29/00G01R29/08G01R31/00
    • G01R31/001
    • An electromagnetic disturbance power (EDP) checker measures disturbance waves of an equipment under test (EUT), that is, a small electric appliance having a power cord. The EDP checker is capable of detecting and measuring disturbance waves even in sites more confined and having more external disturbance waves than in absorbing clamp method. The EDP checker includes a VHF current probe 2, a matching circuit 3 having input impedance matched at a reception frequency of a measuring equipment (receiver) 6 connected to the VHF current probe 2, and a circuit separating mains 4 for designating terminal impedance of the matching circuit 3 and eliminating influence of power source impedance. Power is supplied from the circuit separating mains 4 to drive the EUT 5 connected to the VHF current probe 2. The maximum value of disturbance power generated by the EUT 5 and supplied through the power cord 12 is measured by the measuring equipment 6 connected to the VHF current probe 2.
    • 电磁干扰电源(EDP)检查器测量被测设备(EUT)的干扰波,即具有电源线的小型电器。 EDP​​检测器能够检测和测量干扰波,即使在受限制的场所中,具有比吸收钳位法更多的外部干扰波。 EDP​​检查器包括VHF电流探针2,具有与VHF电流探针2连接的测量设备(接收机)6的接收频率处的输入阻抗匹配的匹配电路3和用于指定VHF电流探针2的端子阻抗的电路4 匹配电路3,消除电源阻抗的影响。 从电路分离电源4供电,驱动与VHF电流探头2连接的EUT 5.由EUT 5产生并通过电源线12提供的干扰功率的最大值由连接到 VHF电流探头2。
    • 9. 发明授权
    • Variable duty ratio speed controller for DC motors
    • 直流电机可调负载比速度控制器
    • US4803410A
    • 1989-02-07
    • US827194
    • 1986-02-07
    • Shigeru ShinoharaShun Suzuki
    • Shigeru ShinoharaShun Suzuki
    • H02P7/291G05B5/00
    • H02P7/291Y10S388/91Y10S388/917Y10S388/921
    • A speed controller for a DC motor includes a semiconductor switching device connected in series with it in a DC power circuit. The switching circuit is turned on and off with a duty ratio variable as a function of motor load. A time constant circuit including a capacitor is connected in parallel with the switching device to develop a voltage which is compared with a reference variable between high and low levels in response to the exceedance of the varaible reference. The switching device is turned on when the voltage developed by the capacitor is higher than the lower reference voltage to energize the motor, and is turned off when the capacitor voltage is lower than the higher reference voltage to de-energize the motor. The on-duty period of the motor is variable as a function of a motor-load representative voltage developed in the switching device during its turn-on period and the off-duty period is variable as a function of a counter-electromotive force generated in the motor as inversely proportional to motor load.
    • 用于直流电动机的速度控制器包括与直流电源电路串联连接的半导体开关装置。 开关电路以电机负载的函数的占空比可变为开和关。 包括电容器的时间常数电路与开关装置并联连接,以响应于可变参考值的超过而产生与高电平和低电平之间的参考变量相比较的电压。 当电容器产生的电压高于下限参考电压时,开关器件导通,使电机通电,当电容器电压低于较高的参考电压时,开关器件被断开,以使电机失电。 电动机的占空比可随着开关装置在其导通时段期间产生的电动机 - 负载代表性电压的变化而变化,并且关闭周期可以随着产生的反电动势的函数而变化 电机与电机负载成反比。