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Electromagnetic-wave transmitting cover
US2016248152A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016248152-A1 |
| Application number | US-201514959018-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 4, 2015 |
| Priority date | Feb 25, 2015 |
| Publication date | Aug 25, 2016 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
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To provide an electromagnetic-wave transmitting cover which can achieve range extension and angle widening of a sensing radar and is excellent in design property. An electromagnetic-wave transmitting cover of the invention includes a base material made of an electromagnetic-wave-transmissive material, a light-transmitting base material formed on a surface of the base material and made of a light-transmissive material, and a design layer disposed between the base material and the light-transmitting base material, the electromagnetic-wave transmitting cover transmitting an electromagnetic wave, the electromagnetic-wave transmitting cover has an electromagnetic-wave transmitting area which transmits the electromagnetic wave, the base material and the light-transmitting base material in the electromagnetic-wave transmitting area has an interval of 0.12 mm or less, an adhesive layer is formed on an entire surface between the base materials, and a deviation in angle when the electromagnetic wave is transmitted is 0.3° or less.
First claim
Opening claim text (preview).
What is claimed is: 1 . An electromagnetic-wave transmitting cover comprising: a base material ( 2 ) made of a material which can transmit an electromagnetic wave; a light-transmitting base material ( 4 ) formed on a surface of the base material and made of a light-transmissive material; and a design layer ( 3 ) disposed between the base material and the light-transmitting base material, the electromagnetic-wave transmitting cover transmitting an electromagnetic wave, wherein the electromagnetic-wave transmitting cover has an electromagnetic-wave transmitting area which transmits the electromagnetic wave, the base material and the light-transmitting base material in the electromagnetic-wave transmitting area has an interval of 0.12 mm or less, an adhesive layer ( 5 ) is formed on an entire surface between the base material and the light-transmitting base material, and a deviation in angle of the electromagnetic wave when the electromagnetic wave is transmitted through the electromagnetic-wave transmitting cover is 0.3° or less. 2 . The electromagnetic-wave transmitting cover according to claim 1 , wherein a difference obtained by subtracting the relative permittivities of the base material and the light-transmitting base material from the relative permittivity of the adhesive layer preferably ranges from −1.72 to 2.58. 3 . The electromagnetic-wave transmitting cover according to claim 1 , wherein the electromagnetic-wave transmitting cover is disposed in front of a millimeter-wave radar. 4 . The electromagnetic-wave transmitting cover according to claim 1 , wherein, after either one of the base material and the light-transmitting base material is molded, the other one of the base materials is insert-molded together with an adhesive agent.
Assignees
Inventors
Classifications
particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems · CPC title
using equipment having another main function to serve additionally as an antenna {, e.g. means for giving an antenna an aesthetic aspect}(H01Q1/27 - H01Q1/34 take precedence) · CPC title
in the front of the vehicles · CPC title
- H01Q1/422Primary
comprising two or more layers of dielectric material (H01Q1/425 takes precedence) · CPC title
of land vehicles · CPC title
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Frequently asked questions
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- What does patent US2016248152A1 cover?
- To provide an electromagnetic-wave transmitting cover which can achieve range extension and angle widening of a sensing radar and is excellent in design property. An electromagnetic-wave transmitting cover of the invention includes a base material made of an electromagnetic-wave-transmissive material, a light-transmitting base material formed on a surface of the base material and made of a ligh…
- Who is the assignee on this patent?
- Toyoda Gosei Kk
- What technology area does this patent fall under?
- Primary CPC classification H01Q1/422. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Aug 25 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).