Magnetic flux meter and superconductive accumulative operation circuit appropriate for the meter
专利汇可以提供Magnetic flux meter and superconductive accumulative operation circuit appropriate for the meter专利检索，专利查询，专利分析的服务。并且PURPOSE: To obtain a highly sensitive magnetic flux meter with high resolution by constituting a feedback circuit of a Josephson circuit and using an accumulative operation circuit for storing circulated current in a superconductive loop.
CONSTITUTION: The accumulative operation circuit is obtained by connecting a linear coil 2 to both the ends of a quantum interference element 1 through a wiring 5 to apply a bias Ig from a DC power supply 3 to a loop 7. The element 1 forms a loop 15 consisting of Josephson junctions 10, 11 and linear coils 12, 13, magnetic flux due to the current of a near control line 4 is interlinked with the loop 15 to control the maximum current of the loop 15 and a voltage value and a waveform generated on both the ends of the element 1 are changed on the basis of the value of a load resistor 14. When the value L of the linear coil 2 is high, almost all of Ig is made to flow into the element 1, the element 1 is transferred to a voltage state by a control current 4, a voltage VL is generated and the current IC is turned to the integrated (accumulated) value of the VL and indicates the accumulated value of an input pulse. The element 1 is temporarily transferred to the voltage state and then returned to a steady superconductive state. To obtain a rapid pulse response or to improve the resolution of a measuring current, an element 1 having a high resistor 14 and an element 2 having a low resistor are connected in series to obtain an effective result.
COPYRIGHT: (C)1987,JPO&Japio，下面是Magnetic flux meter and superconductive accumulative operation circuit appropriate for the meter专利的具体信息内容。
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