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    • 3. 发明授权
    • Heater apparatus for an aquarium
    • 水族箱加热器
    • US6140615A
    • 2000-10-31
    • US229963
    • 1999-01-14
    • Masahide Matsumoto
    • Masahide Matsumoto
    • A01K63/06H05B1/02H05B3/78H05B3/80F27D11/00
    • H05B1/0283A01K63/065H05B3/78H05B3/80
    • A heater apparatus includes a flat-shaped heater portion attachable to a vessel such as a water tank, and a controller for controlling the heater portion. The heater portion includes a flat heater, a first temperature sensor for detecting temperature of the flat heater, and a second temperature sensor for detecting temperature of what is contained in the vessel or water tank. The controller keeps the temperature constant inside the vessel in accordance with the temperature detected by the second temperature sensor. If the rate of rise in temperature detected by the first temperature sensor is faster than is deemed normal, the controller stops current flowing to the flat heater.
    • 加热器装置包括可连接到诸如水箱的容器的扁平加热器部分和用于控制加热器部分的控制器。 加热器部分包括平面加热器,用于检测扁平加热器的温度的第一温度传感器和用于检测容器或水箱中所含的温度的第二温度传感器。 控制器根据第二温度传感器检测到的温度保持容器内的温度恒定。 如果由第一温度传感器检测到的温度升高速度比正常情况更快,则控制器停止电流流向平面加热器。
    • 4. 发明授权
    • Bit line precharge circuit with reduced standby current
    • 位线预充电电路具有降低的待机电流
    • US5995431A
    • 1999-11-30
    • US95431
    • 1998-06-10
    • Takashi InuiMasahide MatsumotoKiyotaka Okuzawa
    • Takashi InuiMasahide MatsumotoKiyotaka Okuzawa
    • G11C7/12G11C11/4094G11C7/00
    • G11C11/4094G11C7/12
    • A circuit is designed with a memory array (102) having a plurality of memory cells arranged in rows and columns (204, 206, 210, 212). The memory array has a plurality of bit line pairs (202, 208, 282, 284) with each bit line pair connected to a respective column of memory cells and a bit line reference terminal (254). A control circuit (700) produces a control signal, the control signal having a first voltage for a first time, a second voltage for a second time and a third voltage for a third time. A precharge circuit (350, 352) connects at least one bit line pair to the bit line reference terminal, responsive to the first voltage for the first time and the second voltage for the second time. The precharge circuit disconnects the at least one bit line pair from the bit line reference terminal, responsive to the third voltage for the third time.
    • 电路设计有具有以行和列(204,206,210,212)排列的多个存储单元的存储器阵列(102)。 存储器阵列具有多个位线对(202,208,282,284),每个位线对连接到相应的存储单元列和位线参考端(254)。 控制电路(700)产生控制信号,该控制信号具有第一次的第一电压,第二次的第二电压和第三次的第三电压。 响应于第一次的第一电压和第二次的第二电压,预充电电路(350,352)将至少一个位线对连接到位线参考端。 预充电电路响应于第三次的第三电压而断开至少一个位线对与位线参考端子的连接。