Study of portable synchronous ECG recorder and its long-distance communication system
Liu, Y.; Ge, B.; Su, Y.; Liang, S.; Song, Z.; Wang, M.; Li, Y.
Zhongguo Yi Liao Qi Xie Za Zhi 22(1): 15-18
1998
ISSN/ISBN: 1671-7104 PMID: 12016841 Document Number: 489611
This paper presents a convenient long-distance ECG communication system. It is made up of portable ECG recorder, hospital work station and public telephone network. This paper also introduces a kind of modulation and demodulation method in sound coupling communication-pulse edge modulation and demodulation. This system has rational structure, convenient operation and strong management power. A Philips 80C552 used as CPU in the recoder which is portable, cheap and reliable.