| 摘要 |
PURPOSE: An apparatus for detecting abnormal states of a screen is provided to effectively detect abnormal states of the screen, such as low vibration or over vibration, by the medium of amplitude meters and noise meters arranged around the screen. CONSTITUTION: An apparatus for detecting abnormal states of a screen comprises one or more screen amplitude detecting units(10) which are arranged around the screen(180), which sorts objects, to detect abnormal states of the screen from amplitude changes. The screen amplitude detecting units include a sensor operating member(12) which is arranged outside the screen and an amplitude meter(14) which is arranged on one side of the sensor operating member to measure an amplitude according to the vibration of the sensor operating member. |
