Special sound wave absorbing and reflecting boards for speaker box

A special sound absorbing and echoing board for speaker is made up of magnesium chloride, magnesium oxide, wood flour and glass fibre cloth by mixing and casting. The low noise is absorbed through the surficial sound-absorbing holes into the middle netted layer, where they are mixed, and then reflec...

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1. Verfasser:	XINJING YE
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TRANSPORTING
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creator	XINJING YE
description	A special sound absorbing and echoing board for speaker is made up of magnesium chloride, magnesium oxide, wood flour and glass fibre cloth by mixing and casting. The low noise is absorbed through the surficial sound-absorbing holes into the middle netted layer, where they are mixed, and then reflected from enclosed hard bottom layer to form continuous sound. It can greatly improve sound quality of speaker.
format	Patent
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subjects	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TRANSPORTING
title	Special sound wave absorbing and reflecting boards for speaker box
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