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    • 4. 发明申请
    • POTENTIOSTAT/GALVANOSTAT WITH DIGITAL INTERFACE
    • 具有数字接口的POTENTIOSTAT / GALVANOSTAT
    • US20170067848A1
    • 2017-03-09
    • US14844367
    • 2015-09-03
    • Ashwin-Ushas Corporation, Inc.
    • Prasanna ChandrasekharYanjie Chai
    • G01N27/416
    • G01N27/416G01N27/4163
    • A potentiostat/galvanostat employs a controller for providing digital control signals to a digital-to-analog converter (DAC) that generates an analog output signal in response to digital control signals. A high current driver produces a high current output in response to the analog output signal from the DAC. A high current monitor monitors the output from the high current driver to produce a feedback signal for the high current driver to control the current produced by the high current driver and to produce an output dependent on the current supplied from the high current driver for monitoring by the controller. A counter electrode contact for a counter electrode is connected with the output of the high current monitor. A working electrode contact for a working electrode is electrically connected with a fixed stable voltage potential to enable electrochemical analysis of material between the counter electrode and the working electrode. A low current driver produces a low current range output in response to an analog output signal from the DAC. A low current monitor monitors the working electrode contact to detect current at the working electrode contact to supply an output dependent on the current detected for monitoring by the controller and for providing a feedback signal to the low current driver in order to control the output of the low current driver to control current between the counter electrode contact and the working electrode contact.
    • 恒电位仪/恒电流仪采用控制器,向数/模转换器(DAC)提供数字控制信号,DAC(DAC)响应数字控制信号产生模拟输出信号。 响应于DAC的模拟输出信号,高电流驱动器产生高电流输出。 高电流监视器监视来自高电流驱动器的输出,以产生用于高电流驱动器的反馈信号,以控制由高电流驱动器产生的电流,并产生取决于由高电流驱动器提供的电流的输出,以便通过 控制器。 对电极的反电极接点与高电流监视器的输出端相连。 用于工作电极的工作电极接触件与固定的稳定电压电位电连接以实现对电极和工作电极之间的材料的电化学分析。 低电流驱动器响应于DAC的模拟输出信号产生低电流范围输出。 低电流监视器监视工作电极触点以检测工作电极触点处的电流,以提供取决于由控制器检测到的电流的输出,并向低电流驱动器提供反馈信号,以便控制输出 低电流驱动器来控制对电极接触和工作电极接触之间的电流。
    • 7. 发明授权
    • Potentiostat/galvanostat with digital interface
    • US10175193B2
    • 2019-01-08
    • US15460281
    • 2017-03-16
    • Ashwin-Ushas Corporation, Inc.
    • Prasanna ChandrasekharYanjie Chai
    • G01N27/416
    • A potentiostat/galvanostat employs a controller for providing digital control signals to a digital-to-analog converter (DAC) that generates an analog output signal in response to digital control signals. A high current driver produces a high current output in response to the analog output signal from the DAC. A high current monitor monitors the output from the high current driver to produce a feedback signal for the high current driver to control the current produced by the high current driver and to produce an output dependent on the current supplied from the high current driver for monitoring by the controller. A counter electrode contact for a counter electrode is connected with the output of the high current monitor. A working electrode contact for a working electrode is electrically connected with a fixed stable voltage potential to enable electrochemical analysis of material between the counter electrode and the working electrode. A low current driver produces a low current range output in response to an analog output signal from the DAC. A low current monitor monitors the working electrode contact to detect current at the working electrode contact to supply an output dependent on the current detected for monitoring by the controller and for providing a feedback signal to the low current driver in order to control the output of the low current driver to control current between the counter electrode contact and the working electrode contact.
    • 10. 发明申请
    • POTENTIOSTAT/GALVANOSTAT WITH DIGITAL INTERFACE
    • US20170184539A1
    • 2017-06-29
    • US15460281
    • 2017-03-16
    • Ashwin-Ushas Corporation, Inc.
    • Prasanna ChandrasekharYanjie Chai
    • G01N27/416
    • G01N27/416G01N27/4163
    • A potentiostat/galvanostat employs a controller for providing digital control signals to a digital-to-analog converter (DAC) that generates an analog output signal in response to digital control signals. A high current driver produces a high current output in response to the analog output signal from the DAC. A high current monitor monitors the output from the high current driver to produce a feedback signal for the high current driver to control the current produced by the high current driver and to produce an output dependent on the current supplied from the high current driver for monitoring by the controller. A counter electrode contact for a counter electrode is connected with the output of the high current monitor. A working electrode contact for a working electrode is electrically connected with a fixed stable voltage potential to enable electrochemical analysis of material between the counter electrode and the working electrode. A low current driver produces a low current range output in response to an analog output signal from the DAC. A low current monitor monitors the working electrode contact to detect current at the working electrode contact to supply an output dependent on the current detected for monitoring by the controller and for providing a feedback signal to the low current driver in order to control the output of the low current driver to control current between the counter electrode contact and the working electrode contact.