| 摘要 |
PURPOSE: An acoustic reflection apparatus is provided to ensure facilitated installation and reduced occupation in case of storage. CONSTITUTION: An acoustic reflection apparatus(10) comprises a supporting part(20) which is movable, a first support rod(32) which is fixed in an upright position on the top of the supporting part, a first acoustic reflection board(30) which is fixed to the first support rod, a first bracket(60) which fixes the first acoustic reflection board to the first support rod, a second support rod(42) which is inserted to the top of the first support rod and moved up and down, a second acoustic reflection board(40) which is fixed to the second support rod and moved up and down, a second bracket(70) which fixes the second acoustic reflection board to the second support rod, a moving unit which moves the second acoustic reflection board up and down, a third acoustic reflection board(50) which is located on the top of the second acoustic reflection board, and a third bracket(80) which fixes the third acoustic reflection board to the second bracket to be tilted frontward.
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