IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0596575
(2005-03-09)
|
등록번호 |
US-7446730
(2008-11-04)
|
우선권정보 |
JP-2004-148359(2004-05-18) |
국제출원번호 |
PCT/JP05/004108
(2005-03-09)
|
§371/§102 date |
20061115
(20061115)
|
국제공개번호 |
WO05/112189
(2005-11-24)
|
발명자
/ 주소 |
- Yonemoto,Naruto
- Matsuzaki,Motoharu
|
출원인 / 주소 |
- Electronic Navigation Research Institute
- Lenstar Co., Ltd
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
3 |
초록
▼
In the case of the electromagnetic waves of a band with a short wavelength, in an antenna opening, the technical subject which conflicts between loss of electromagnetic waves and the mechanical strength of a member exists. This invention was made in view of such a problem, and aims at offering a rad
In the case of the electromagnetic waves of a band with a short wavelength, in an antenna opening, the technical subject which conflicts between loss of electromagnetic waves and the mechanical strength of a member exists. This invention was made in view of such a problem, and aims at offering a radome with little cover of electromagnetic waves, absorption of electromagnetic waves, and dispersion of electromagnetic waves by the member of a radome. It aims at offering a strong and lightweight radome cheaply.
대표청구항
▼
The invention claimed is: 1. In a radio wave apparatus which has a housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside the housing for protection, said radio wave apparatus comprising: said housing for protection consists of a styr
The invention claimed is: 1. In a radio wave apparatus which has a housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside the housing for protection, said radio wave apparatus comprising: said housing for protection consists of a styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, said styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thin enough compared with a wavelength, said radio wave device is a spherical dielectric electromagnetic lens, said styrene foam structure covers the surface of said dielectric electromagnetic lens, having a radius equal to the focal length of said dielectric lens, and wherein said styrene foam is stuck to the circumference of said radio wave device enclosed therein, wherein said dielectric thin film is a dielectric paint film of coated resin, and said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE). 2. In radio wave apparatus as claimed in claim 1, wherein the dielectric thin film is a dielectric paint film of coated resin, said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), the foaming rate of said styrene foam structure is 20 or more times, and the thickness of said dielectrics paint film is 2mm or less. 3. In radio wave apparatus as claimed in claim 1, wherein the dielectric thin film is a dielectric paint film of coated resin, said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), urethane foam is used instead of said styrene foam structure. 4. In the radio wave apparatus which has the housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside the housing for protection, said radio wave apparatus comprising: said housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, which styrene foam has the specific inductive capacity which is transparent to radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and thin enough compared with a wavelength, said radio wave device is a spherical dielectric electromagnetic lens, said styrene foam structure covers the surface of said dielectrics electromagnetic lens, having a radius equal to the focal length of said dielectric lens, and wherein said styrene foam is stuck to the circumference of said radio wave device, encloses said device, the radio wave reflector which reflects a radio wave in the surface of said styrene foam structure is formed, wherein said dielectric thin film is a dielectric paint film of coated resin, and said paint film is a paint film of non-solvent urethane resin (EFRETHANE). 5. In radio wave apparatus as claimed in claim 4, the dielectric thin film is a dielectric paint film of coated resin, said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), the foaming rate of said styrene foam structure is 20 or more times, and the thickness of said dielectric paint film is 2mm or less. 6. In radio wave apparatus as claimed in claim 4, wherein the dielectric thin film is a dielectric paint film of coated resin, said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), urethane foam is used instead of said styrene foam structure. 7. In a radio wave apparatus which has a housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside this housing for protection, said radio wave apparatus comprising: said housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, the styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thinly enough compared with a wavelength, said radio wave device is a spherical dielectric electromagnetic lens, said styrene foam structure covers the surface of said dielectric electromagnetic lens, having a radius equal to the focal length of said dielectric lens, and where said styrene foam is stuck to the circumference of said radio wave device, and encloses said device, the radio wave receive section which receives with said spherical dielectric electromagnetic lens is formed in the surface of said styrene foam structure, said radio wherein said dielectric thin film is a dielectric paint film of coated resin, and said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE). 8. In radio wave apparatus as claimed in claim 7, wherein the dielectric thin film is a dielectric paint film of coated resin, said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), the foaming rate of said styrene foam structure is 20 or more times, and the thickness of said dielectric paint film is 2mm or less. 9. In radio wave apparatus as claimed in claim 7, wherein the dielectric thin film is a dielectric paint film of coated resin, said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), urethane foam is used instead of said styrene foam structure. 10. In the radio wave apparatus which has a housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside said housing for protection, said radio wave apparatus comprising: said housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, said styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thinly enough compared with a wavelength, said dielectric thin film is a dielectric paint film of coated resin, a foaming rate of said styrene foam of said styrene foam structure is 20 or more times, the thickness of said dielectric paint film is 2mm or less, wherein the dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE). 11. In radio wave apparatus as claimed in claim 10, wherein said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), and urethane foam is used instead of said styrene foam of said styrene foam structure. 12. In the radio wave apparatus given which has a housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside said housing for protection, said radio wave apparatus comprising: the housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, said styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thinly enough compared with a wavelength, said styrene foam structure is enclosed where said styrene foam is stuck to the circumference of said radio wave device, said dielectric thin film is a dielectric paint film of coated resin, the foaming rate of said styrene foam of said styrene foam structure is 20 or more times, the thickness of said dielectric paint film is 2mm or less, wherein said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE). 13. In radio wave apparatus as claimed in claim 12, wherein the dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), and urethane foam is used instead of said styrene foam of said styrene foam structure. 14. In the radio wave apparatus which has the housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside said housing for protection, said radio wave apparatus comprising: said housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, this styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thinly enough compared with a wavelength, said radio wave device arranged inside said housing for protection is an antenna, said dielectric thin film is a dielectric paint film of coated resin, the foaming rate of said styrene foam of said styrene foam structure is 20 or more times, the thickness of said dielectric paint film is 2mm or less, wherein the dielectrics paint film is a paint film of non-solvent urethane resin (EFRETHANE). 15. In radio wave apparatus as claimed in claim 14, wherein the dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), and urethane foam is used instead of said styrene foam of said styrene foam structure. 16. In the radio wave apparatus given which has the housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside this housing for protection, said radio wave apparatus comprising: said housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, said styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thinly enough compared with a wavelength, said styrene foam structure is enclosed where said styrene foam is stuck to the circumference of said radio wave device, said radio wave device arranged inside said housing for protection is an antenna, said dielectric thin film is a dielectric paint film of coated resin, the foaming rate of said styrene foam of said styrene foam structure is 20 or more times, the thickness of said dielectric paint film is 2mm or less, wherein the dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE). 17. In radio wave apparatus as claimed in claim 16, wherein the dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE), and urethane foam is used instead of said styrene foam of said styrene foam structure. 18. In the radio wave apparatus which has the housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside said housing for protection, said radio wave apparatus comprising: said housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, said styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thinly enough compared with a wavelength, said dielectric thin film is a dielectric paint film of coated resin, and said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE). 19. In radio wave apparatus as claimed in claim 18, wherein urethane foam is used instead of said styrene foam structure. 20. In the radio wave apparatus which has the housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside said housing for protection, said radio wave apparatus comprising: said housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, said styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thinly enough compared with a wavelength, said styrene foam structure is enclosed where said styrene foam is stuck to the circumference of said radio wave device, said dielectric thin film is a dielectric paint film of coated resin, and said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE). 21. In radio wave apparatus as claimed in claim 20, wherein urethane foam is used instead of said styrene foam structure. 22. In the radio wave apparatus which has the housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside said housing for protection, said radio wave apparatus comprising: said housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, said styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thinly enough compared with a wavelength, said radio wave device arranged inside said housing for protection is an antenna, said dielectric thin film is a dielectric paint film which coated resin, and this dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE). 23. In radio wave apparatus as claimed in claim 22, wherein urethane foam is used instead of said styrene foam structure. 24. In the radio wave apparatus which has the housing for protection which protects the radio wave device arranged inside, and said radio wave device arranged inside said housing for protection, said radio wave apparatus comprising: said housing for protection consists of styrene foam structure and a dielectric thin film, forming said styrene foam structure in the circumference of said radio wave device with styrene foam, said styrene foam has the specific inductive capacity which is transparent to a radio wave, said dielectric thin film surrounds the surface of said styrene foam structure, is high hardness and forms thinly enough compared with a wavelength, said styrene foam structure is enclosed where said styrene foam is stuck to the circumference of said radio wave device, said radio wave device arranged inside said housing for protection is an antenna, said dielectric thin film is a dielectric paint film of coated resin, and said dielectric paint film is a paint film of non-solvent urethane resin (EFRETHANE). 25. In radio wave apparatus as claimed in claim 24, wherein urethane foam is used instead of said styrene foam structure.
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