发明名称 Automatic door driving system
摘要 An automatic door driving system is disclosed, which can electrically perform automatic door opening/closing operation in case of emergency, i.e., occurrence of a fire, or power stoppage and effect automatic door opening/closing control according to the prevailing situation. In the driving system, an AC power source and battery power source are selectively connected through an emergency battery unit to an automatic door controller for controlling an automatic door drive motor. Normally, electric power is supplied from the AC power source to the automatic door controller, while the battery power source is charged from the AC power source. At the time of power stoppage, electric power is supplied from the battery power source to the automatic door controller.
申请公布号 US4904880(A) 申请公布日期 1990.02.27
申请号 US19880227794 申请日期 1988.08.03
申请人 YOSHIDA KOGYO K.K. 发明人 YOSHIDA, YUKIO
分类号 E05F15/10;E05F15/20;H02J9/06 主分类号 E05F15/10
代理机构 代理人
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