Waterproof sound-transmitting sheet for facilitating vision inspection
AssigneeAmogreentech Co., Ltd.
InventorInyong SEO
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Abstract
Disclosed is a waterproof sound-transmitting sheet for facilitating a visual inspection, which radiates a polymer material in a state of blending a pigment to form a waterproof layer having an achromatic color, thereby facilitating a vision inspection, and improving a water repellence even while making the waterproof sound-transmitting sheet thin and light. The disclosed waterproof sound-transmitting sheet for facilitating the visual inspection includes an acoustic layer interposed between an upper waterproof layer and a lower waterproof layer, and at least one of the upper waterproof layer and the lower waterproof layer is composed of a porous colored membrane having a color.
Claims11
A waterproof sound-transmitting sheet for facilitating a vision inspection comprising:
- an upper waterproof layer composed of a porous membrane;
- a lower waterproof layer composed of the porous membrane and disposed under the upper waterproof layer;
- and
- an acoustic layer composed of the porous membrane and interposed between the upper waterproof layer and the lower waterproof layer,
- wherein the porous membrane of at least one of the upper waterproof layer and the lower waterproof layer is a porous colored membrane having a color other than white and black.
Dependencies are inferred from the claim text.