Monitoring Long-Term Uterine Contractions  

Oleh:

Wu, Han-Chang ; Lin, Chao-Hung ; Young, Shuenn-Tsong ; Kuo, Te-Son

Jenis: Article from Bulletin/Magazine
Dalam koleksi: IEEE Instrumentation & Measurement Magazine vol. 5 no. 2 (2002), page 36-40.
Topik: MONITORING; monitoring; long - term; uterine; contractions

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: II47.3 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

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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