电梯的信号,在层站,或上或下的按钮,称为召唤信号,或称为登记信号;在轿厢,目的层站按钮,开门、关门按钮,称为指令信号。电梯的信号,就是通过在层站的登记信号和在轿厢的指令信号,为使用者提供人机对话的按钮包括显示信号状态来实现电梯的功能。信号处理,至少包括登记信号,指令信号和信号状态的处理。在笔者的电梯10字歌中,有“基本参数6项定 Elevator signal, in the landing, or the button up or down, called the call signal, or called the registration signal; in the car, destination landing button, open the door, close the button, called the command signal. The signal of the elevator is to realize the function of the elevator through the registration signal at the landing and the command signal at the car, and the button for providing the user with man-machine dialogue including displaying the signal state. Signal processing, including at least the processing of registration signals, command signals and signal states. In the author’s elevator 10 words, there are 6 ”basic parameters set