The invention discloses a sound control flag raising device. The sound control flag raising device comprises a flag pole, a pulley, a rope and a control box, wherein the pulley is arranged on the top of the flag pole; the rope is arranged on the pulley; a flag is hung at the tail end of the rope. The sound control flag raising device is characterized in that the diameter of the pulley is 3 centimeters; a sound sensor module and an automatic rope coiling mechanism are arranged in the control box; the signal end of the sound sensor module is connected with the automatic rope coiling mechanism; the automatic rope coiling mechanism is wound with the pulley of which the rope extends to the top of the flag pole. A plurality of groups of pulleys and ropes can be arranged. The length of the flag pole is 10M.


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    Title :

    Sound control flag raising device


    Contributors:
    FAN WEIXIN (author)

    Publication date :

    2015-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E04H Gebäude oder ähnliche Bauwerke für besondere Zwecke , BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES / B66D Haspeln , CAPSTANS



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