Abstract:
본 발명은 안테나 장치 및 그 제조 방법에 관한 것으로, 더욱 상세하게는 CRLH 전송선을 이용한 안테나 장치 및 그 제조 방법에 관한 것이다. 본 발명의 일 실시 예에 따른 장치는, 안테나 장치에 있어서, 방사패치와, 상기 방사패치로 전원을 공급하는 제1단과 급전단에 연결되는 제2단을 갖는 급전선로와, 상기 방사패치와 상기 급전선로의 제1단 사이에 위치하며, 상기 방사패치의 임피던스와 상기 급전선로의 임피던스를 매칭시키는 트랜스포머와, 상기 제1단과 상기 제2단 사이에 직렬로 연결되며, 상기 방사패치로 인가되는 주파수의 정수배에 해당하는 주파수 대역에서 발생하는 공진을 필터링하는 필터를 포함하되, 상기 필터는, 상기 주파수 대역의 개수에 대응되어 복수 개로 구성되고, 상기 복수 개의 필터들은 병렬로 연결된다.
Abstract:
본 발명은, 통신 시스템에서 신호를 소정 주파수 대역에 따라 필터링하는 필터의 필터링 RF 스펙트럼 특성을 개선하는 공진기 및 상기 공진기를 이용하여 필터링을 수행하는 필터에 관한 것으로, 필터는, 입력 단자에 직렬 연결되며, 제1공진 주파수를 갖는 제1공진부; 상기 제1공진부에 직렬 연결되며, 상기 입력 단자를 통해 입력된 신호를 필터링하는 필터링부; 상기 필터링부와 출력 단자 간에 직렬 연결되며, 제2공진 주파수를 갖는 제2공진부; 상기 입력 단자와 상기 제1공진부 간의 연결 단자에 병렬 연결되며, 상기 제1공진 주파수와 일치하는 제1영차 공진 주파수를 갖는 제1영차 공진부; 및 상기 출력 단자와 상기 제2공진부 간의 연결 단자에 병렬 연결되며, 상기 제2공진 주파수와 일치하는 제2영차 공진 주파수를 갖는 제2영차 공진부;를 포함한다.
Abstract:
PURPOSE: An apparatus for controlling the reflection coefficient of a signal and a method for manufacturing the same in a wireless communication system are provided to increase the gain of an antenna. CONSTITUTION: A first conductor part(320) is located in the lower part of a dielectric substrate(300) of a dielectric medium. A second conductor part(310) is located in the lower part of the dielectric substrate. The second conductor part corresponds to the first conductor part. The signal reflection coefficient of the first conductor part is larger than the signal reflection coefficient of the second conductor part. The phase of the signal reflection coefficient of the first conductor part is smaller than the phase of the signal reflection coefficient of the second conductor part.
Abstract:
PURPOSE: An antenna is provided to improve gains by locating an upper cover having a conductive pattern on an upper part of a feeding antenna. CONSTITUTION: A feeding antenna(110) performs a feeding operation. An upper cover(120) is located on an upper part of the feeding antenna. The upper cover includes a conductive pattern for improving gains and forming beams. The conductive pattern is formed on a surface of the dielectric substrate. A conductive pattern(122) includes a plurality of conductive structures. Each of the conductive structures is formed with each of unit cells. The conductive pattern is formed by connecting the unit cells with each other.
Abstract:
PURPOSE: A magnetic resonance and an application apparatus thereof are provided to easily attach to a human body regardless of a bending of the human body by adopting a SRR structure having a high flexibility. CONSTITUTION: A magnetic resonance includes a dielectric thin film(220) and first and second conductors(210a,210b). The dielectric thin film and the first and the second conductor have flexibility. The first and the second conductor are respectively arranged on upper side and lower side of the dielectric thin film to form a SRR structure. The first and the second conductor have a circular or a square hook shape. A gap is respectively formed on the prescribed part of the first and the second conductor.
Abstract:
PURPOSE: A planar meta material, a planar meta material structure including the same, and an antenna system including the structure are provided to improve efficiency, gain, and directivity of the antenna by arranging the planar meta material structure on the upper side of the antenna. CONSTITUTION: A planar meta material(100) has permittivity, permeability, and refractive index of negative or 0 - 1 at a preset frequency section. The planar meta material includes a planar dielectric element(130), and first and second conductive units. The planar dielectric element has a single layer or multilayer structure. The first conductor is formed on the upper side of the dielectric element. The first conductor includes a first conductor(110) with a loop shape. The second conductive unit is formed on the lower side of the dielectric element. The second conductive unit includes a second conductor(120) with the same shape as the first conductor.
Abstract:
마이크로파 대역의 입사파에 대해 동작 가능한 전파렌즈 및 이의 제조 방법을 개시한다. 전파렌즈는 금속 패턴이 각각 형성된 플렉시블한 다수의 유전체 기판들이 반원통형으로 각각 굽어지고 동심축을 갖도록 반지름 방향으로 적층되며, 금속 패턴 간의 간격과 유전체 기판들 간의 간격이 입사파의 파장보다 작게 설정되며, 반지름 방향의 유효 유전율과 접선 방향의 유효 유전율이 서로 반대 부호가 되도록 금속 패턴의 유전율 및 유전체 기판의 유전율이 설정된 구성을 갖는다.
Abstract:
PURPOSE: A circularly polarized antenna in a wireless communication system and a method for manufacturing the same are provided to generate a circularly polarized wave with a high gain. CONSTITUTION: An electricity supplying antenna(330) is located on a fixed point of a ground substrate(350). A plurality of conductive structures(320) is arranged on an upper cover in the same direction. A unit antenna includes the conductive structures. The upper cover is separate from the ground substrate. If the electricity supplying antenna radiates a linearly polarized wave, the conductive structures and the unit antenna radiate circularly polarized waves and radiate dual circularly polarized waves based on the number of electricity supplying antennas.
Abstract:
PURPOSE: A radio wave lens and a manufacturing method thereof are provided to change easily an operational frequency band by performing an operation as a hyper lens in a microwave band. CONSTITUTION: A plurality of flexible dielectric substrates(110) having metal patterns are bent in a shape of a semicylinder, respectively. The flexible dielectric substrates are laminated in a radial direction to have a concentric axis. A gap between metal patterns(120) and a gap between dielectric substrates are set in small in comparison with a wavelength of an incident wave. Dielectric substrates(130) are separated and laminated from each other. A space between the dielectric substrates is filled with air or an additional dielectric.