TEST SYSTEM FOR BUTTON SWITCH OF SOUND GENERATOR FOR VISUALLY HANDICAPPED PERSON

摘要

PURPOSE: A test system for a button switch of a sound generator for a visually handicapped person is provided to enable a convenient test through one-time input setup. CONSTITUTION: A button switch drive unit holds a button switch and makes an end of an operating rod repeat press and release of a push button. A counter(103) detects voltage while the push button is pressed and counts the times of detected voltage. A controller(101) compares the accumulated count number with a set count number and stops the operation of a hydraulic cylinder in case of matching.