[특허]Planar array antenna, comprising coplanar waveguide printed feed lines cooperating with apertures in a ground plane

Planar array antenna, comprising coplanar waveguide printed feed lines cooperating with apertures in a ground plane 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01Q-001/38 H01Q-021/00
출원번호	US-0388098 (1989-07-31)
우선권정보	FR-0010501 (1988-08-03)
발명자 / 주소	Rammos Emmanuel (Oegstgeest NLX)
출원인 / 주소	Agence Spatiale Europenne (FRX 07)
인용정보	피인용 횟수 : 68 인용 특허 : 0

초록 ▼

A planar antenna of the kind comprising feed lines disposed in a flat circuit and cooperating by hyperfrequency coupling with a metal ground plane plate pierced by apertures has the feed lines presenting a termination juxtaposed with each aperture. A lower ground plane plate is disposed at a distance of approximately a quarter wavelength from the apertured metal plate. The apertured metal plate comprises a metal coating deposited on a dielectric substrate. The feed line comprise central conductors disposed in channels which open into the apertures. The array of apertures, channels and conductors can be produced on the dielectric substate by single face printed circuit techniques. The antenna may be used for the reception of direct broadcasts from satellites.

대표청구항 ▼

A planar array antenna adapted to generate or receive microwave frequency, electromagnetic radiation, said antenna comprising: a sheet of dielectric material; a layer of conductive material formed on and supported by said sheet of dielectric material; a lower ground plane member galvanically isolated from said layer of conductive material, said lower ground plane member being located parallel to said layer of conductive material and spaced from said layer at a distance of approximately a quarter of the wave length of the microwave frequency, electromagnetic radiation at which the antenna operates; a plurality of apertures formed in said layer of conductive material; and coplanar waveguide line means electromagnetically coupled to said apertures at the microwave operating frequency, said coplanar waveguide line means comprising at least one channel communicating with each of said apertures, said channels being formed in said layer of conductive material, and a strip-like center conductor formed in said layer of conductive material and located within each of said channels and extending therealong, said layer of conductive material, channels and center conductors lying in a common plane, said center conductors extending into said apertures and terminating therein at free terminations so that the ends of said conductors in the apertures form excitation probes, the width of said excitation probes taken in a direction normal to the direction of extension of said center conductors being generally the same as the width of said center conductors taken in a direction normal to the direction of extension of said center conductors.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Planar array antenna, comprising coplanar waveguide printed feed lines cooperating with apertures in a ground plane 원문보기

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연합인증

Planar array antenna, comprising coplanar waveguide printed feed lines cooperating with apertures in a ground plane 원문보기

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