Sound repeater for traffic light that facilitates movement of e.g. blind person, in city, has emitting device and loud-speaker housed in case, where emitting device comprises emitting cone whose diameter is of specific value

摘要

The repeater (21) has a case in which an emitting device i.e. sound laser, and a loud-speaker are housed, where the emitting device comprises an emitting cone (22) whose diameter ranges between 0.3 m and 0.6 m. Power of the loud-speaker ranges between 8 watt and 12 watt. Bifurcation area is formed between passages for a pedestrian, where the bifurcation area is equipped with guiding bands and an alertness awakening band (6).