会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • Semiconductor integrated circuit device having circuitry for limiting
forward junction current from a terminal
    • 具有用于限制来自端子的正向结电流的电路的半导体集成电路器件
    • US5448198A
    • 1995-09-05
    • US40419
    • 1993-03-31
    • Yoshiaki ToyoshimaYukio WadaHiroshi Takakura
    • Yoshiaki ToyoshimaYukio WadaHiroshi Takakura
    • H01L21/8238H01L27/02H01L27/092H01L27/118H03K19/0175H03K17/08
    • H01L27/11898H01L27/0218H01L2924/13091
    • A semiconductor integrated circuit device comprises a semiconductor substrate; an input and output terminal (1) formed on the semiconductor substrate; an input and output circuit (2, 3) formed on the semiconductor substrate, connected to the input and output terminal (1), and having an output buffer (2) of CMOS FETs, supply voltages Vcc1 and Vcc2 being applied to the output buffer; a semiconductor integrated circuit formed on the semiconductor substrate and connected to the input and output circuit; and a circuit for preventing forward junction current from flowing from the input and output terminal (1) to the output buffer (2) when an input voltage exceeding the supply voltages is applied to the output buffer. In an integrated circuit device using a plurality of different supply voltages, it is possible to prevent an input voltage beyond the supply voltages from being applied to the input and output circuit. A voltage switching circuit (4) responsive to signals A and B supplied to an output buffer (2) is interposed between the output buffer (2) and a pad (1). When a voltage higher than the supply voltages is applied to the output buffer (2) from the outside, the substrate potential is determined to a value equal to or higher than the external voltage. Further, the voltage applied from the outside can be also lowered than the supply voltages of the output buffer, before applied to the output buffer.
    • 半导体集成电路器件包括半导体衬底; 形成在所述半导体基板上的输入输出端子(1) 形成在所述半导体衬底上的输入和输出电路(2,3),连接到所述输入和输出端子(1),并且具有CMOS FET的输出缓冲器(2),将电压Vcc1和Vcc2施加到所述输出缓冲器 ; 半导体集成电路,形成在半导体衬底上并连接到输入和输出电路; 以及当超过电源电压的输入电压被施加到输出缓冲器时,用于防止正向结电流从输入和输出端子(1)流向输出缓冲器(2)的电路。 在使用多个不同电源电压的集成电路装置中,可以防止超过电源电压的输入电压施加到输入和输出电路。 响应于提供给输出缓冲器(2)的信号A和B的电压切换电路(4)插入在输出缓冲器(2)和焊盘(1)之间。 当高于电源电压的电压从外部施加到输出缓冲器(2)时,衬底电位被确定为等于或高于外部电压的值。 此外,在施加到输出缓冲器之前,从外部施加的电压也可以比输出缓冲器的电源电压低。
    • 6. 发明授权
    • Current source cell use in current segment type D and A converter
    • 用于当前段D到A转换器的电流源单元
    • US5254994A
    • 1993-10-19
    • US845652
    • 1992-03-04
    • Hiroshi TakakuraJunkei Goto
    • Hiroshi TakakuraJunkei Goto
    • H03K17/041H03M1/66
    • H03K17/04106
    • A segment control type D to A converter includes a decoder and a plurality of current source cells. The decoder decodes a digital input signal to generate a control signal. The plurality of current source cells are selected by the control signal output from the decoder. A current output from the selected current source cell is output from an output terminal. Each of the current source cells includes first and second transistors. One terminal of the current path of the first transistor is connected to a constant current source, and the first transistor is ON/OFF controlled such that the gate of the transistor receives the control signal output from the decoder. One terminal of the current path of the second transistor is connected to the other terminal of the current path of the first transistor, and the other terminal of the second transistor is connected to the output terminal. A reference voltage is applied to the gate of the second transistor to cause the second transistor to be normally set in an ON state.
    • 段控制类型D到A转换器包括解码器和多个电流源单元。 解码器解码数字输入信号以产生控制信号。 通过从解码器输出的控制信号来选择多个电流源单元。 从选择的电流源单元的电流输出从输出端子输出。 每个电流源单元包括第一和第二晶体管。 第一晶体管的电流路径的一个端子连接到恒流源,并且第一晶体管被开/关控制,使得晶体管的栅极接收从解码器输出的控制信号。 第二晶体管的电流路径的一个端子连接到第一晶体管的电流路径的另一个端子,而第二晶体管的另一个端子连接到输出端子。 参考电压被施加到第二晶体管的栅极,以使第二晶体管正常地设置在导通状态。
    • 8. 发明授权
    • Heating apparatus
    • 加热装置
    • US4975048A
    • 1990-12-04
    • US387702
    • 1989-07-31
    • Terumasa YonedaAkihiko SuzukiHiroshi Takakura
    • Terumasa YonedaAkihiko SuzukiHiroshi Takakura
    • F27B9/24F27B9/20F27B17/00
    • F27B9/202F27B17/0025
    • A heating apparatus comprising a heating chamber the inside of which is heated to a fixed temperature and which is provided with an entrance and an exit through which articles to be heated are taken in and out of the heating chamber, a support on which the articles are supported inside and outside of the heating chamber, a conveyer which moves vertically and horizontally so that the top surface of the conveyer is above and below the top surface of the conveyer is above and below the top surface of the support and that the conveyer reciprocates in the direction in which the articles are conveyed, and a pair of doors for opening and closing the entrance and exit of the heating chamber, whereby the articles are successively moved over a fixed distance by the conveyer toward the heating chamber, thereby providing a heating apparatus with a simple structure in which articles such as semiconductor devices are conveyed to the heating chamber without vibration and then properly heated in the heating chamber.
    • 一种加热装置,包括加热室,其内部被加热到固定温度,并且设有入口和出口,待加热的物品通过该入口和出口被进出加热室, 支撑在加热室的内部和外部,输送机垂直和水平移动,使得输送机的顶表面在输送机的顶表面之上和之下在支撑件的顶表面的上方和下方,并且输送机在 物品的输送方向以及开闭加热室的入口和出口的一对门,由此,物品通过输送机向加热室依次移动一定距离,从而提供加热装置 其中诸如半导体器件的物品在没有振动的情况下被输送到加热室,然后在h中被适当地加热的简单结构 吃饭室
    • 10. 发明申请
    • FLOW RATE MEASURING DEVICE AND FLOW RATE CONTROLLER
    • 流量测量装置和流量控制器
    • US20120318383A1
    • 2012-12-20
    • US13525116
    • 2012-06-15
    • Tadahiro YasudaHiroshi Takakura
    • Tadahiro YasudaHiroshi Takakura
    • F16K17/00G01F1/68
    • G05D7/0635G01F1/36G01F1/50Y10T137/7722
    • A flow rate measuring device includes a fluid resistance member through which measurement target fluid flows; an upstream side pressure sensor configured to measure pressure on an upstream side of the fluid resistance member from a change of electrical resistance of a resistive element attached to a pressure sensitive surface onto which the target fluid is introduced, and also to measure a temperature of the pressure sensitive surface from a temperature-dependent change of the electrical resistance of the resistive element; a temperature sensor to measure a temperature of the target fluid flowing through the fluid resistance member; and a flow rate calculation part that calculates a flow rate of the target fluid based on the pressure measured by the upstream side pressure sensor, pressure-flow rate characteristics of the fluid resistance member, the upstream side pressure sensor temperature, and the target fluid temperature in the fluid resistance member.
    • 流量测量装置包括测量对象流体流过的流体阻力构件; 上游侧压力传感器,被配置为从附着到所述目标流体的压敏表面上的电阻元件的电阻的变化来测量所述流体阻力构件的上游侧的压力,并且还测量所述流体阻力构件的温度 来自电阻元件的电阻的温度依赖性变化的压敏表面; 温度传感器,用于测量流过所述流体阻力构件的目标流体的温度; 以及流量计算部,其基于由上游侧压力传感器测量的压力,流体阻力构件的压力流量特性,上游侧压力传感器温度和目标流体温度来计算目标流体的流量 在流体阻力构件中。