Invention Grant
- Patent Title: Acoustic reflective panel assembly
- Patent Title (中): 声光反射板组件
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Application No.: US12215446Application Date: 2008-06-27
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Publication No.: US07918312B2Publication Date: 2011-04-05
- Inventor: Gregory L. Carlson
- Applicant: Gregory L. Carlson
- Agent Richard John Bartz
- Main IPC: E04B1/343
- IPC: E04B1/343
Abstract:
A portable acoustic reflective panel assembly used as a background for outdoor performances has an upright frame surrounding a sound reflecting sheet member. A plurality of elastic cords secure the sheet member to the frame. Braces connected to the frame and anchored to the ground maintain the frame and sheet member in upright positions on the ground.
Public/Granted literature
- US20090000219A1 Acoustic reflective panel assembly Public/Granted day:2009-01-01
Information query
IPC分类:
