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    • 75. 发明授权
    • Differential amplifier
    • 差分放大器
    • US4626795A
    • 1986-12-02
    • US773188
    • 1985-09-06
    • Tatsuo TanakaNana ShigematsuKazushige Koshika
    • Tatsuo TanakaNana ShigematsuKazushige Koshika
    • H03F3/343H03F3/34H03F3/45
    • H03F3/45071
    • First and second current mirror circuits are provided to the first and second amplifying transistors, respectively. The output current paths of current mirror circuits constitute output current terminals, respectively, and the reference input current paths are connected to the collectors of the first and second transistors, respectively. The first current mirror circuit comprises third and fourth transistors and the second current mirror circuit comprises fifth and sixth transistors. The base of the third transistor of the first current mirror circuit and the base of the fifth transistor of the second current mirror circuit are connected to first and second reference potentials, respectively. The base of the fourth transistor of the first circuit and the base of the sixth transistor of the second circuit are connected to the collectors of the first and second transistors, respectively.
    • 第一和第二电流镜电路分别提供给第一和第二放大晶体管。 电流镜电路的输出电流路径分别构成输出电流端子,参考输入电流路径分别连接到第一和第二晶体管的集电极。 第一电流镜电路包括第三和第四晶体管,第二电流镜电路包括第五和第六晶体管。 第一电流镜电路的第三晶体管的基极和第二电流镜电路的第五晶体管的基极分别连接到第一和第二参考电位。 第一电路的第四晶体管的基极和第二电路的第六晶体管的基极分别连接到第一和第二晶体管的集电极。
    • 76. 发明授权
    • Method of controlling refrigeration cycle
    • 控制制冷循环的方法
    • US4620424A
    • 1986-11-04
    • US686673
    • 1984-12-27
    • Tatsuo TanakaKoichi MiyazakiEiji KuwaharaMasaya YamazakiKeiichi Morita
    • Tatsuo TanakaKoichi MiyazakiEiji KuwaharaMasaya YamazakiKeiichi Morita
    • F25B1/00F25B41/06G05D23/19F25B41/04
    • F25B41/062F25B2341/0653F25B2600/2513F25B2700/151Y02B30/72
    • In a method of controlling a refrigeration cycle constructed by connecting a compressor, an outdoor-side heat exchanger, an expansion valve, and an indoor-side heat exchanger, the temperature of a coolant ejected from the compressor is detected by a sensor, and the opening rate of the valve is adjusted in accordance with the detected temperature. When the detected temperature exceeds a prescribed upper limit, that opening rate of the valve which is indicated on that occasion is stored in a memory, and then the opening rate of the valve is increased to reduce the temperature of the ejected coolant to a lower level than a prescribed lower limit. After the temperature decreases from the lower limit, the opening rate of the valve is adjusted to a larger level than that level which is previously stored in a memory by a prescribed extent, thereby keeping the temperature of the ejected coolant between the upper and lower limits.
    • 在通过连接压缩机,室外侧热交换器,膨胀阀和室内侧热交换器而构成的制冷循环的控制方法中,由压缩机排出的冷却剂的温度由传感器检测, 根据检测到的温度调节阀的开度。 当检测到的温度超过规定的上限时,将在该情况下指示的阀的开启率存储在存储器中,然后增加阀的打开速率以将排出的冷却剂的温度降低到较低的水平 超过规定的下限。 在从下限开始温度降低之后,将阀门的打开速度调整到比先前存储在存储器中规定程度的水平更高的水平,从而使排出的冷却剂的温度保持在上限和下限之间 。
    • 78. 发明授权
    • Signal processing circuit
    • 信号处理电路
    • US4558287A
    • 1985-12-10
    • US664352
    • 1984-10-24
    • Tatsuo Tanaka
    • Tatsuo Tanaka
    • H03F3/343H03F3/30H03F3/34H03F3/45H03H11/04
    • H03F3/3066H03F3/45071
    • A signal processing circuit includes a differential amplifying circuit for respectively generating first and second output signals from first and second output terminals, first and second input terminals of this circuit being respectively coupled to a signal input terminal and a constant voltage terminal, first and second transistors coupled between a power source terminal and the signal input and output terminals, third and fourth transistors coupled between the signal input and output terminals and a ground terminal, a fifth transistor which together with the first transistor constitutes a first current mirror circuit and allows the current corresponding to the second output signal to flow through the first transistor and also allows the current corresponding to the second output signal to flow through the second or fourth transistor, and a second current mirror circuit for leading the currents corresponding to the first output signal to the third transistor and to the fourth or second transistor.
    • 信号处理电路包括差分放大电路,用于分别产生来自第一和第二输出端的第一和第二输出信号,该电路的第一和第二输入端分别耦合到信号输入端和恒压端,第一和第二晶体管 耦合在电源端子和信号输入和输出端子之间,耦合在信号输入和输出端子之间的第三和第四晶体管和接地端子,第五晶体管与第一晶体管一起构成第一电流镜电路,并允许电流 对应于第二输出信号流过第一晶体管,并且还允许对应于第二输出信号的电流流过第二或第四晶体管;以及第二电流镜电路,用于将对应于第一输出信号的电流引导到 第三晶体管和第四晶体管或第四晶体管 nd晶体管。