发明授权
US4210226A Elevator control apparatus 失效
电梯控制装置

Elevator control apparatus
摘要:
An elevator control apparatus and stored program system comprises an auxiliary control device together with a main control device in which a control program is stored. In the normal state, the main control device is used whereas in a fault of the main control device, the auxiliary control device is actuated to control an elevator upon detecting the fault.
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