It may also act as a visual signal of adulthood, along with growing breasts and widening hips in girls and deeper chests and beards in boys. 隨著女孩乳房的日益增大和臀部的加寬以及男孩胸部的加深和鬍鬚的長出，陰毛也可能作為成年人的一種視覺信號。
Meanwhile, a Blind Spot Information System registers if another vehicle is in the offset rear blind spot alongside the car and alerts the driver via a visual signal. 與此同時，一個盲點信息系統登記，如果另一輛車是在後方的盲點抵消一起汽車，並提醒司機通過視覺信號。
The imagery sensor of a robot vision system is defined as an electrooptical device that converts an optical image to a video signal. 機器人視覺系統的圖像感測器為將光學圖像轉換為視頻信號的光電設備。
The motion picture on the videodisk is encoded as frequency modulation, and the audio signal is mixed with the video signal. 視頻盤上的視頻信號以調頻方式編碼，音頻信號混入視頻信號中。
