大屏幕指针式石英塔钟单片微机掉电保护电路的研究  

THE RESEARCH OF THE BREAKING PROTEETION OF SINGLE-CHIP MICRO-COMPUTER OF BIG SCREEN INDICATOR QUARTZ TOWER CLOCK

作　　者：董汇泽[1] 李惠山[1] 查保媛 

机构地区：[1]青海大学基础部

出　　处：《青海师范大学学报（自然科学版）》1996年第3期34-36,共3页Journal of Qinghai Normal University(Natural Science Edition)

摘　　要：本文分析了大屏幕指针式石英塔钟复位失控的原因，采取二种措施，设计了保护电路，对塔钟自动控制系统的单片微机掉电保护进行了研究。The essay has analyses the reasan of big--screen indicator quartz tower clock to restore itselff beyond control Research work has been done on taking two measures to design breaking protection by the automatic control system of single chip micro--computer.

关 键 词：掉电保护 电路结构 单片机 石英塔钟 塔钟 

分 类 号：TH714.513[机械工程—测试计量技术及仪器]