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    • 1. 发明申请
    • ADVERTISING HORN
    • 广告角
    • WO2013057528A3
    • 2013-12-19
    • PCT/HU2012000109
    • 2012-10-19
    • GYOERGY LASZLO
    • GYOERGY LASZLO
    • G10K9/00
    • G10K9/04
    • The invention relates to an advertising horn provided with a pressure medium feed pipe (1), a sound pipe (2) arranged within said feed pipe, wherein there is an air gap (3) between the feed pipe and the sound pipe. The air gap is closed at one end and is covered with a membrane (4) at the other end, said membrane covering the sound pipe as well. The pressure medium feed pipe is provided with a bore (7) opening into the air gap. The membrane is fixed on the peripheral surface of the pressure medium feed pipe, wherein a fastening ring (5) holding said membrane is coupled to a distance ring (6), which is arranged on the inner surface of the pressure medium feed pipe. The membrane is preferably made of gum, and the outer surface of the pressure medium feed pipe and that of the fastening ring provide a continuous, even, uniform surface.
    • 本发明涉及一种设置有压力介质供给管(1),布置在所述供给管内的声音管(2)的广告喇叭,其中在所述馈送管和所述声音管之间存在气隙(3)。 气隙一端封闭,另一端覆盖有膜片(4),所述膜片也覆盖了声音管道。 压力介质供给管设有通向气隙的孔(7)。 膜固定在压力介质供给管的外周表面上,其中固定所述膜的紧固环(5)连接到布置在压力介质供给管的内表面上的距离环(6)。 膜优选由树胶制成,并且压力介质供给管的外表面和紧固环的外表面提供连续的,均匀的均匀表面。