Monitoring long-term uterine contractions

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 2002 English Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Instrumentation & Measurement Magazine, volume 5, pages 36-40 (issn: 1094-6969,

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Authors: null Han-Chang Wu; null Chao-Hung Lin; null Shuenn-Tsong Young; null Te-Son Kuo;

doi: 10.1109/mim.2002.1005658

Monitoring long-term uterine contractions

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Abstract

The proposed system for long-term uterine contraction monitoring includes a pressure sensor and a portable monitor. The pressure sensor converts uterine activities into frequency variations from 1 to 2 MHz. The portable monitor is a microcontroller-based embedded system. We chose the 89c52 microcontroller because of its intelligence and functionality. A CMOS counter serves as a frequency down-converter for scaling down the frequency variation from 50 to 100 kHz.

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National Taiwan University of Arts
Taiwan

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