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    • 1. 发明授权
    • Temperature detection apparatus
    • 温度检测装置
    • US08491187B2
    • 2013-07-23
    • US12573555
    • 2009-10-05
    • Yukihira NakazatoJunichi Matsuoka
    • Yukihira NakazatoJunichi Matsuoka
    • G01K1/00G01K13/00
    • G01K1/12G01K1/08G01K1/14
    • A temperature detection apparatus includes a transformer, a thermostat attached directly to an electrically conductive site of the heating element and has contacts that become short-circuited or come into an open-circuit condition depending on whether or not the temperature of the heating element is equal to or higher than a predetermined value, the contacts being connected to a secondary coil in the transformer, a DC voltage source and a transistor configured to supply required AC power to a primary coil in the transformer, a current detection resistor configured to detect a current flowing through the primary coil in the transformer, and a comparison circuit detecting a voltage generated across the current detection resistor when a current flows through the current detection resistor, the comparison circuit outputting an alarm signal when the current flowing through the primary coil in the transformer exceeds a preset threshold current.
    • 温度检测装置包括变压器,直接附接到加热元件的导电部位的恒温器,并且具有根据加热元件的温度是否相等而变短路或进入开路状态的触点 所述触头连接到所述变压器中的次级线圈,直流电压源和被配置为向所述变压器中的初级线圈提供所需AC电力的晶体管,所述电流检测电阻器被配置为检测电流 流过变压器中的初级线圈,以及比较电路,当电流流经电流检测电阻时,检测电流检测电阻上产生的电压,比较电路在流过变压器中的初级线圈的电流时输出报警信号 超过预设的阈值电流。
    • 2. 发明授权
    • Temperature detection apparatus
    • 温度检测装置
    • US08905634B2
    • 2014-12-09
    • US13904598
    • 2013-05-29
    • Yukihira NakazatoJunichi Matsuoka
    • Yukihira NakazatoJunichi Matsuoka
    • G01K1/00G01K13/00G01K1/12G01K1/14G01K1/08
    • G01K1/12G01K1/08G01K1/14
    • A temperature detection apparatus includes a transformer, a thermostat attached directly to an electrically conductive site of the heating element and has contacts that become short-circuited or come into an open-circuit condition depending on whether or not the temperature of the heating element is equal to or higher than a predetermined value, the contacts being connected to a secondary coil in the transformer, a DC voltage source and a transistor configured to supply required AC power to a primary coil in the transformer, a current detection resistor configured to detect a current flowing through the primary coil in the transformer, and a comparison circuit detecting a voltage generated across the current detection resistor when a current flows through the current detection resistor, the comparison circuit outputting an alarm signal when the current flowing through the primary coil in the transformer exceeds a preset threshold current.
    • 温度检测装置包括变压器,直接附接到加热元件的导电部位的恒温器,并且具有根据加热元件的温度是否相等而变短路或进入开路状态的触点 所述触头连接到所述变压器中的次级线圈,直流电压源和被配置为向所述变压器中的初级线圈提供所需AC电力的晶体管,所述电流检测电阻器被配置为检测电流 流过变压器中的初级线圈,以及比较电路,当电流流经电流检测电阻时,检测电流检测电阻两端产生的电压,比较电路在流过变压器中的初级线圈的电流时输出报警信号 超过预设的阈值电流。
    • 3. 发明申请
    • TEMPERATURE DETECTION APPARATUS
    • 温度检测装置
    • US20100091815A1
    • 2010-04-15
    • US12573555
    • 2009-10-05
    • YUKIHIRA NAKAZATOJunichi Matsuoka
    • YUKIHIRA NAKAZATOJunichi Matsuoka
    • G01K1/08
    • G01K1/12G01K1/08G01K1/14
    • A temperature detection apparatus includes a transformer, a thermostat attached directly to an electrically conductive site of the heating element and has contacts that become short-circuited or come into an open-circuit condition depending on whether or not the temperature of the heating element is equal to or higher than a predetermined value, the contacts being connected to a secondary coil in the transformer, a DC voltage source and a transistor configured to supply required AC power to a primary coil in the transformer, a current detection resistor configured to detect a current flowing through the primary coil in the transformer, and a comparison circuit detecting a voltage generated across the current detection resistor when a current flows through the current detection resistor, the comparison circuit outputting an alarm signal when the current flowing through the primary coil in the transformer exceeds a preset threshold current.
    • 温度检测装置包括变压器,直接附接到加热元件的导电部位的恒温器,并且具有根据加热元件的温度是否相等而变短路或进入开路状态的触点 所述触头连接到所述变压器中的次级线圈,直流电压源和被配置为向所述变压器中的初级线圈提供所需AC电力的晶体管,所述电流检测电阻器被配置为检测电流 流过变压器中的初级线圈,以及比较电路,当电流流经电流检测电阻时,检测电流检测电阻上产生的电压,比较电路在流过变压器中的初级线圈的电流时输出报警信号 超过预设的阈值电流。
    • 4. 发明授权
    • Power supply for a high voltage device
    • 高压设备电源
    • US07315134B2
    • 2008-01-01
    • US10985044
    • 2004-11-10
    • Junichi Matsuoka
    • Junichi Matsuoka
    • H05B41/16
    • H02M1/36
    • Control of an output pulse width by a PWM control circuit is stopped and the initial pulse string having a fixed pulse width is outputted in order to obtain a power supply voltage rise within a predetermined time period at the time of turning on the power. During normal operation, the voltage detected by a voltage detecting circuit is captured by a PWM control circuit, and the pulse width of the output pulse string is adjusted according to the detected voltage in order to keep the power supply voltage constant.
    • 通过PWM控制电路对输出脉冲宽度的控制被停止,并且输出具有固定脉冲宽度的初始脉冲串,以便在接通电源时在预定时间段内获得电源电压上升。 在正常工作期间,由PWM控制电路捕获由电压检测电路检测的电压,并且根据检测到的电压来调整输出脉冲串的脉冲宽度,以保持电源电压恒定。
    • 6. 发明授权
    • Power-supply unit for microwave tube
    • 微波管供电装置
    • US06777876B2
    • 2004-08-17
    • US10400892
    • 2003-03-27
    • Junichi KobayashiTakuichi TsuchiyaJunichi Matsuoka
    • Junichi KobayashiTakuichi TsuchiyaJunichi Matsuoka
    • H01J2534
    • H01J23/34
    • In a power-supply unit for a microwave tube, voltage between a helix power supply terminal and a cathode power supply terminal is divided into voltage slightly lower than the voltage of a collector power supply terminal. Uni-directional conductive means is provided between a voltage dividing point and the collector power supply terminal, and when the voltage of the collector power supply terminal is about to be lower than voltage at the voltage dividing point while the voltage approximates the voltage of the cathode power supply terminal, the uni-directional conductive means conducts and clamps the voltage of the collector power supply terminal so that the voltage is substantially equal to the voltage at the voltage dividing point.
    • 在微波管的电源单元中,螺旋电源端子和阴极电源端子之间的电压被分成略低于集电极电源端子的电压的电压。 在分压点和集电极电源端子之间设置单向导电装置,并且当集电极电源端子的电压即将低于分压点处的电压时,电压接近阴极电压 电源端子,单向导电装置导通并夹紧集电极电源端子的电压,使得电压基本上等于分压点处的电压。