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1. 发明授权

US08786296B2 Resistance-measuring circuit and electronic device using the same 有权
标题翻译：电阻测量电路及使用该电路的电子装置
公开(公告)号：US08786296B2
公开(公告)日：2014-07-22
申请号：US13278075
申请日：2011-10-20
申请人： Qi-Long Yu , Tsung-Jen Chuang , Jun Zhang , Jun-Wei Zhang , Shih-Fang Wong , Jian-Jun Zhou
发明人： Qi-Long Yu , Tsung-Jen Chuang , Jun Zhang , Jun-Wei Zhang , Shih-Fang Wong , Jian-Jun Zhou
IPC分类号： G01R27/08
CPC分类号： G01R27/14 , G01D5/246
摘要： A resistance-measuring circuit includes a controller for outputting a PWM signal and further for adjusting the duty cycle of the PWM signal, and a sampling circuit for processing the PWM signal and transmitting the processed PWM signal to the sensor. The sampling circuit samples the signal outputted from the sensor to generate a sampled signal with the voltage thereof changing according to any change in the duty cycle of the PWM signal, and further transmits the sampled signal to the controller. The controller obtains the real-time duty cycle of the PWM signal when the voltage of the sampled signal reaches a threshold voltage, and further calculates the exact resistance of the sensor according to the obtained real-time duty cycle of the PWM signal and the threshold voltage. An electronic device with the resistance-measuring circuit is also provided.
摘要翻译：电阻测量电路包括用于输出PWM信号并进一步用于调整PWM信号的占空比的控制器，以及用于处理PWM信号并将处理过的PWM信号传输到传感器的采样电路。采样电路对从传感器输出的信号进行采样，根据PWM信号的占空比的任何变化，产生采样信号，其电压变化，并将采样信号发送到控制器。当采样信号的电压达到阈值电压时，控制器获得PWM信号的实时占空比，并根据获得的PWM信号的实时占空比和阈值计算出传感器的精确电阻电压。还提供了具有电阻测量电路的电子设备。

2. 发明申请

US20120217984A1 RESISTANCE-MEASURING CIRCUIT AND ELECTRONIC DEVICE USING THE SAME 有权
标题翻译：电阻测量电路和使用该电阻器的电子器件
公开(公告)号：US20120217984A1
公开(公告)日：2012-08-30
申请号：US13278075
申请日：2011-10-20
申请人： QI-LONG YU , TSUNG-JEN CHUANG , JUN ZHANG , JUN-WEI ZHANG , SHIH-FANG WONG , JIAN-JUN ZHOU
发明人： QI-LONG YU , TSUNG-JEN CHUANG , JUN ZHANG , JUN-WEI ZHANG , SHIH-FANG WONG , JIAN-JUN ZHOU
IPC分类号： G01R27/02
CPC分类号： G01R27/14 , G01D5/246
摘要： A resistance-measuring circuit includes a controller for outputting a PWM signal and further for adjusting the duty cycle of the PWM signal, and a sampling circuit for processing the PWM signal and transmitting the processed PWM signal to the sensor. The sampling circuit samples the signal outputted from the sensor to generate a sampled signal with the voltage thereof changing according to any change in the duty cycle of the PWM signal, and further transmits the sampled signal to the controller. The controller obtains the real-time duty cycle of the PWM signal when the voltage of the sampled signal reaches a threshold voltage, and further calculates the exact resistance of the sensor according to the obtained real-time duty cycle of the PWM signal and the threshold voltage. An electronic device with the resistance-measuring circuit is also provided.
摘要翻译：电阻测量电路包括用于输出PWM信号并进一步用于调整PWM信号的占空比的控制器，以及用于处理PWM信号并将处理过的PWM信号传输到传感器的采样电路。采样电路对从传感器输出的信号进行采样，根据PWM信号的占空比的任何变化，产生采样信号，其电压变化，并将采样信号发送到控制器。当采样信号的电压达到阈值电压时，控制器获得PWM信号的实时占空比，并根据获得的PWM信号的实时占空比和阈值计算传感器的精确电阻电压。还提供了具有电阻测量电路的电子设备。

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