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心电图机热敏打印系统的设计与实现
引用本文:刘建超,王进亮,白净. 心电图机热敏打印系统的设计与实现[J]. 北京生物医学工程, 2008, 27(2): 161-164
作者姓名:刘建超  王进亮  白净
作者单位:清华大学生物医学工程系,医学工程与健康技术研究组,北京,100084;解放军总医院医学保障部,北京,100853
摘    要:
介绍了一款基于ARM9的心电图机热敏打印系统的设计与实现.硬件方面分析了系统的框图及热敏打印头和步进电机的核心电路,软件方面介绍了SPI接口驱动程序的编写及基于位图的波形映射算法.结果 表明,该系统比传统的心电图机打印系统灵活性更高,波形质量更好.

关 键 词:ARM9  心电图机  热敏打印
文章编号:1002-3208(2008)02-0161-03
修稿时间:2007-04-11

Design and implementation of an electrocardiograph thermal print system
LIU Jianchao,WANG Jinliang,BAI Jing. Design and implementation of an electrocardiograph thermal print system[J]. Beijing Biomedical Engineering, 2008, 27(2): 161-164
Authors:LIU Jianchao  WANG Jinliang  BAI Jing
Affiliation:LIU Jianchao1,WANG Jinliang2,BAI Jing1 1 Medical Engineering & Health Technology Research Group,Tsinghua University,Beijing 100084,2 Medical Guarantee Department,General Hospital of PLA,Beijing 100853
Abstract:
A thermal print system for an electrocardiograph based on ARM9 MCU is introduced.The system structure frame,the circuit of thermal print head and motor control,the SPI driver and a bitmap print method are presented.Practical application demonstrates that this system works with better sensitivity and wave quality than the tradition one.
Keywords:ARM9
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