baber/WOPTO huggingface dataset:
Patent KR-20220141981-A (KR)
Inventor: HWANG DO SUNG
IPC: A61N1/40
Filed: 2021-04-14
Abstract: The present invention provides a thermal therapy device using high frequency wave, which is a thermal therapy device using high frequency wave for treating soles of feet of a human body, wherein an exterior is formed by a casing composed of a body with an open front and a cover extending forward from a height end of the body, a square-shaped flat base with a large area is mounted on a floor space provided by the body, a foothold unit for a user to put the feet includes a first foothold unit installed on a left side of the base and a second foothold unit installed on a right side of the base. The first and second foothold units are fastened to the base by a hinge mechanism and can rotate up and down around a hinge shaft. The thermal therapy device minimizes damage caused by excessive heating of a foothold area, is robust, and has excellent marketability.
Patent KR-20220145130-A (KR)
Inventor: KI HEE KYUNG
IPC: G16H50/30
Filed: 2021-04-21
Abstract: An embodiment of the present invention provides an operation method of a device for providing an O2O service for taking care of foot health of a user, which comprises: a registration step of registering user input information transmitted from a user terminal; an analysis step of acquiring foot health evaluation information in accordance with analysis through an O2O care process based on the user input information; an information providing step of providing, to the user terminal, a foot health care service interface by using the foot health evaluation information; and a history management step of regularly transmitting query information to the user terminal, and analyzing the response information to the query information transmitted from the user terminal, and renewing the foot health evaluation information. The present invention is able to constantly take care of foot health of users.
Patent KR-20220145692-A (KR)
Inventor: YOON HONG SIK
IPC: G06Q10/04
Filed: 2021-04-22
Abstract: The present invention relates to a method and system for predicting a delivery volume for logistics automation. More specifically, the present invention relates to the method and system for predicting the delivery volume for logistics automation that enable to predict a type of item and delivery volume of the item to be delivered in the future based on the type of item and delivery volume of the item sold in the past, and enable to predict the type and delivery volume of the item to be shipped of a logistics warehouse according to the item for which a purchase of a user is predicted by considering an item preference for the item ordered by the users. The method comprises: a delivery information receiving step; a model learning step; and a delivery information derivation step.
Patent KR-20220149880-A (KR)
Inventor: KIM SU JEONG
IPC: H01L33/60
Filed: 2021-04-30
Abstract: A display device and a manufacturing method thereof are provided. The display device comprises light emitting elements disposed on a substrate. Each of the light emitting elements comprises a first semiconductor layer, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer, and a porous layer disposed on the second semiconductor layer.
Patent KR-20220151893-A (KR)
Title: Hot water supply device
Inventor: WOOSUNG YOON
IPC: F24H9/20
Filed: 2021-05-07
Abstract: The present invention relates to a hot water supply device. According to an embodiment of the present invention, the hot water supply device comprises: a compressor for compressing a refrigerant; a water tank having water stored therein; a first water pipe connected to the water tank; a second water pipe connected to the water tank, and spaced apart from the first water pipe; a pump connected to the first and second water pipes to circulate water inside the water tank; a condenser connected to the first and second water pipes, and exchanging heat between water introduced through the first or second water pipe and the refrigerant discharged from the compressor; and a controller for controlling an extrusion direction of the pump. The controller controls an extrusion direction of the pump to input water into the water tank through a water pipe containing high-temperature water among the first and second water pipes when the pump starts to be operated, and thus, controls the pump to extrude the water in a reverse direction when the pump starts to be operated. Accordingly, water cooled in the water pipe is prevented from being directly input into the water tank, thereby improving the heating efficiency.
Patent KR-20220155689-A (KR)
Title: Double layer semiconductor cooling device with double structure
Inventor: PARK HEE SUNG
IPC: H01L23/367
Filed: 2021-05-17
Abstract: The present invention relates to a multi-layered semiconductor cooling device having a double structure seated on a semiconductor to cool a semiconductor. More specifically, the multi-layered semiconductor cooling device comprises: a first cooling plate having an inlet through which the cooling fluid flows and an outlet through which the cooling fluid is discharged, wherein at least one first fluid channel, through which the cooling fluid through the inlet flows, is formed on an outer lower surface of the first cooling plate; and a second cooling plate having one or more second fluid channels formed on an outer upper surface thereof, through which cooling fluid is introduced and flowed through the inlet and through which the cooling fluid flowing in the first fluid channel is distributed and flowed. The lower surface of the first cooling plate on which the first fluid channel is formed, and the upper surface of the second cooling plate on which the second fluid channel is formed face each other. The first fluid channel and the second fluid channel are formed extending in different directions. According to the present invention, the cooling fluid flowing in the multi-layered cooling plate, in which a plurality of cooling channels where the cooling fluid flows is formed, is uniformly distributed over the entire area of the cooling plate. By keeping constant the temperature of the entire area of the cooling plate in contact with the semiconductor, the heat generation temperature of the entire semiconductor area can be uniformly reduced, and thus high cooling efficiency can be obtained even with a cooling fluid of a smaller size and a lower flow rate than conventional heat sinks.
Patent KR-20220159591-A (KR)
Inventor: AN JEONG OH
IPC: A01G7/04
Filed: 2021-05-26
Abstract: The purpose of the present invention is to obtain a functional wave generator that can help with growth by playing music necessary for people and fermentation and ripening in a cultivation complex where livestock such as chickens and ducks, and plants such as rice and flowers are raised. The functional wave generator of the present invention comprises a main body part, and a circuit part operating at 6 to 12 V to supply power and sending off a wave with a frequency of 50 to 151 Hz or a rhythm like music, wherein the circuit part includes a speaker composed of a coil, a magnet, a piezoelectric element, and a condenser; a light emitting diode; and a positron transmitter of a titanium silver stick. The functional wave generator can be formed independently or in combination with another device and further includes a control part formed to select a wave and an operating time, wherein the control part includes a wave selecting switch for selecting the type of wave, a time setting timer for setting the operating time, and an on/off switch.
Patent KR-20220163664-A (KR)
Inventor: LEE BYUNG IL
IPC: G06F1/16
Filed: 2021-06-03
Abstract: The present invention relates to a backplate for a foldable display and a manufacturing method thereof. According to the present invention, the backplate for the foldable display includes: display areas in which at least two display units are disposed; and a folding area disposed between the display areas and folded so that the two display areas correspond to each other, wherein a plurality of punching holes are formed in the folding region to penetrate the backplate. The present invention provides the backplate for the foldable display, which is capable of smooth thickness change and residual thickness control, and without sudden protrusions.
Patent KR-20220163804-A (KR)
Inventor: GANG YUNG JIN
IPC: G01N33/66
Filed: 2021-06-03
Abstract: The present invention relates to a biosensor strip. The biosensor strip comprises: an electrode layer including a substrate and a reference electrode portion, a working electrode portion, and a recognition electrode portion located on the substrate; an insulating layer located on the electrode layer and having a pair of first sample introduction portions; a reaction reagent portion located between the pair of first sample introduction portions; an intermediate layer located on the insulating layer and having a pair of second sample introduction portions; and a cover layer located above the intermediate layer and having a pair of third sample introduction portions. One end of the electrode portions and the ends of the first to third sample introduction portions corresponding to the one end have a curved surface. The present invention improves the speed and accuracy of measurement.
Patent KR-20220165514-A (KR)
Title: Server, terminal and system for transferring cryptocurrency rights
Inventor: HYUN YOUNG KWON
IPC: G06Q20/02
Filed: 2021-06-08
Abstract: The present technology relates to a relay server, a user terminal, and a system for transferring cryptocurrency rights. The relay server for transferring cryptocurrency rights stores right information of a certain amount of cryptocurrency corresponding to the cryptocurrency certificate, receives right transfer request information of the cryptocurrency corresponding to an identification code from a first user terminal which recognizes the identification code of the cryptocurrency certificate, and updates the right information to correspond to the right holder of the first user terminal based on the right transfer request information.
Patent KR-20220167129-A (KR)
Title: Health assistance food composition showing the effect of promoting bowel movement and diet and intake method of the composition
Inventor: KIM KYUNG HOON
IPC: A23L33/10
Filed: 2021-06-11
Abstract: The present invention relates to a supplementary health food composition and a method for ingesting the composition, and more specifically, to the method comprising ingesting 1 to 1.75 g of a supplementary health food composition containing lemon balm, and ingesting 1 to 1.75 g of a supplementary health food composition containing barley sprouts after about 10 to 14 hours. The supplementary health food composition and the method for ingesting the composition not only contain rich nutrients, but also promote defecation of eaters, improve intestinal function, and show diet effects.
Patent KR-20220169023-A (KR)
Title: Apparatus for removing dust generated by brake pad wear
Inventor: HAN BANGWOO
IPC: F16D65/00
Filed: 2021-06-17
Abstract: The present invention relates to an apparatus for removing dust from brake pad wear. The apparatus for removing the dust from the brake pad wear according to the present invention relates to the dust removing apparatus removing the dust generated by wear of a brake pad during braking of a vehicle. The apparatus for removing the dust from the brake pad wear comprises: an electromagnet mounted on a wheel and adsorbing the dust generated by the wear of the brake pad with an electromagnetic force; and a power supply unit supplying a power to the electromagnet.
Patent KR-20230005443-A (KR)
Title: Head-mounted display apparatus that adjusts the inter-pupillary distance by moving the binocular lenses simultaneously with rotary damper
Inventor: CHIWON CHOI
IPC: G02B27/01
Filed: 2021-07-01
Abstract: The present invention relates to a head-mounted display device for adjusting an inter-pupillary distance by simultaneously moving binocular lenses using a rotary damper. The head-mounted display device, according to the present invention, comprises: an HMD frame; an optical unit; and an IPD adjustment unit. According to the present invention, a wearer can easily adjust the inter-pupillary distance only with one hand.
Patent KR-20230006689-A (KR)
Title: Display device
Inventor: PYO KI HYUN
IPC: H01L33/00
Filed: 2021-07-01
Abstract: According to an embodiment, a display device comprises: a substrate; a first power line extending in a first direction on the substrate and transmitting a first alignment signal or a first driving voltage; a second power line extending in the first direction on the substrate and transmitting a second alignment signal or a second driving voltage; a first electrode extending in a second direction perpendicular to the first direction and to which the first alignment signal or the first driving voltage is applied; a second electrode spaced apart from the first electrode and extending in the second direction, and to which the second alignment signal or the second driving voltage is applied; and a light emitting element located between the first electrode and the second electrode. The first electrode is electrically connected to the first power line, and the second electrode is electrically connected to the second power line. Accordingly, a load on wiring can be reduced.
Patent KR-20220011079-A (KR)
Title: Ion milling apparatus and method of manufacturing sample
Inventor: KATAOKA SHOGO
IPC: H01J37/20
Filed: 2021-07-06
Abstract: An objective of the present invention is to provide an ion milling device capable of efficiently manufacturing a sample with a suppressed inclination of a cross-section. In order to solve the objective, the ion milling device of the present invention is equipped with: a pair of shielding members (29a, 29b) that holds a sample (11); and an ion source that irradiates the ion beam to the sample (11), wherein is configured to be able to irradiate the ion beam (12) to the sample (11) in a first sun irradiating the ion beam (12) to the sample (11) through a one-side shielding member (29a) and a second sun irradiating the ion beam (12) to the sample (11) through an other-side shielding member (29b).
Patent KR-20230008956-A (KR)
Title: Composition for preventing or improving skin damage caused by fine dust containing Adenocaulon himalaicum Edgew. extract or neochlorogenic acid as an active ingredient
Inventor: LEE SUN HEE
IPC: A23L33/105
Filed: 2021-07-07
Abstract: The present invention relates to a composition for preventing or alleviating skin damage caused by fine dust, containing an Adenocaulon himalaicum extract or neochlorogenic acid as an active ingredient. The composition containing an Adenocaulon himalaicum extract or neochlorogenic acid as an active ingredient according to one aspect can be effectively used for preventing and alleviating skin damage by reducing the expression of increased inflammatory factors caused by fine dust. Accordingly, the Adenocaulon himalaicum extract, an edible material reported by the Ministry of Food and Drug Safety, is useful in the fields of health functional foods and cosmetics.
Patent KR-20230012306-A (KR)
Inventor: LEE CHUNG GU
IPC: A45D6/04
Filed: 2021-07-15
Abstract: The present invention relates to a head for curling hair, which comprises: a cylindrical head body having an inlet through which air is introduced; slots formed in the head body in a longitudinal direction and formed in plurality along a circumferential direction of the head body; and an inner insert inserted into the head body and guiding wind into the slots wherein the wind is introduced through the inlet to be discharged into the slots to flow along the surface of the head body, and to a hair styling device having the same.
Patent KR-20230022529-A (KR)
Inventor: KIM JI AH
IPC: B60N2/75
Filed: 2021-08-09
Abstract: The present invention comprises: a body unit slidably coupled to a mounting area provided on an inner surface of a vehicle and formed to allow an arm to be held thereby; a movement guide unit protruding from the body unit, inserted into a mounting groove provided in the mounting area, and guiding movement of the body unit according to the mounting groove; and a mounting unit provided in the mounting area, supporting the body unit, and fixating a withdrawal position of the body unit slid from the mounting area to be withdrawn.
Patent KR-20220080682-A (KR)
Title: 현미부수체 지역의 서열 길이의 변동계수를 이용한 현미부수체 불안정성 진단방법
Inventor: PARK SEUNG GU
IPC: C12Q1/6827
Filed: 2021-08-10
Abstract: 본원은, 현미부수체 지역의 서열 길이의 변동계수를 이용한 현미부수체 불안정성 진단방법에 관한 것으로서, 현미부수체 지역을 탐색하는 단계; 타겟 현미부수체 지역을 선택하는 단계; 단일 샘플 현미부수체 지역에 정렬된 서열을 검출하는 단계; 각각의 지역에서 검출된 서열 중 현미부수체를 담고 있는 서열을 선택하는 단계; 선택된 서열들 속 현미부수체의 구성 및 길이를 계산하는 단계; 각각의 현미부수체 지역에서 검출된 현미부수체들의 길이에 대한 변동계수(CV)를 계산하는 단계; 및 계산된 변동계수를 이용하여 현미부수체 불안정성을 진단하는 단계를 포함하는, 현미부수체 불안정성 진단 방법을 제공한다. 
본원은 계산이 단순한 변동계수(CV)를 이용하기 때문에 기존의 NGS 기반 검사보다 현미부수체 불안정성 진단에 걸리는 시간을 줄일 수 있어 더욱 효과적인 환자 치료 전략 구축에 용이하다.
Patent KR-20230023993-A (KR)
Inventor: YUM HO GEOL
IPC: G16H50/20
Filed: 2021-08-11
Abstract: The present invention relates to a device for checking a health condition of a nail. The device for checking a health condition of a nail comprises: a scan unit that scans a nail of a person; and a processor for monitoring a health condition of the nail. Therefore, the device for checking a health condition of a nail enables a nail art shop to accurately inform a customer of a condition of the customer to help care.
Patent KR-20230027749-A (KR)
Title: 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬이차전지
Inventor: KANG JOON KOO
IPC: H01M4/36
Filed: 2021-08-20
Abstract: 본 발명은 양극 활물질 입자의 표면에 형성된 코팅층을 포함하는 양극 활물질에 관한 것으로, 상기 코팅층으로부터 양극 활물질과 전해액 사이의 부반응을 억제하면서도, 전기 전도성, 이온 전도성 및 기계적 유연성이 우수한 양극 활물질, 이의 제조방법, 이를 포함하는 양극 및 리튬이차전지에 관한 것이다.
Patent KR-20230027889-A (KR)
Inventor: LEE WON HUI
IPC: G06F16/29
Filed: 2021-08-20
Abstract: 본 발명은 맵 어플리케이션을 활용한 지적기준점 관리 장치 및 방법에 관한 것으로, 상기 장치는 맵 어플리케이션의 제1 API (Application Programming Interface) 함수 호출을 통해 맵을 제공하는 맵 제공부; 상기 맵 어플리케이션의 제2 API 함수 호출을 통해 지적기준점의 좌표값을 상기 맵 어플리케이션에 제공하고 상기 맵에 상기 지적기준점의 마크를 표시하는 지적기준점 마크 표시부; 상기 제2 API 함수 호출을 통해 모바일 단말의 현재 좌표값을 상기 맵 어플리케이션에 제공하고 상기 맵에 상기 모바일 단말의 마크를 표시하는 모바일 단말 마크 표시부; 및 상기 맵에서 특정 지적기준점이 선택되면 상기 맵 어플리케이션의 제3 API 함수 호출을 통해 상기 모바일 단말의 위치로부터 상기 특정 지적기준점의 위치까지의 경로를 안내하는 지적기준점 경로 안내부를 포함한다.
Patent KR-20230029176-A (KR)
Inventor: LEE MIN HO
IPC: G06V10/40
Filed: 2021-08-24
Abstract: 본 발명의 실시예에 따라, 반려 동물의 산책 관리 장치의 동작 방법이 제공된다. 상기 방법은, 사용자 단말의 위치 정보, 상기 반려 동물의 제 1 식별 정보를 기초로 상기 반려 동물의 산책 정보를 생성하는 단계; 상기 사용자 단말의 위치 변화에 따라 상기 산책 정보에서 산책 시간 정보, 산책 거리 정보 및 산책 경로 정보를 갱신하는 단계; 상기 사용자 단말에 의해 촬영된 상기 반려 동물의 촬영 이미지를 수신하는 단계; 상기 촬영 이미지로부터 상기 반려 동물의 제 1 인식 정보를 생성하는 단계; 상기 제 1 식별 정보 및 상기 제 1 인식 정보로부터 상기 반려 동물의 동일성을 판단하는 단계; 및 상기 반려 동물의 동일성이 인정되는 경우, 상기 산책 정보를 유효 산책 정보로 등록하는 단계를 포함할 수 있다.
Patent KR-20230029458-A (KR)
Title: 반도체 웨이퍼 이송용 로봇암 블레이드에 탈부착되는 이중접합에 의한 마이크로 패턴을 갖는 미끄럼 방지 패드
Inventor: CHANG DONG JOON
IPC: H01L21/677
Filed: 2021-08-24
Abstract: 본 발명은 반도체 웨이퍼 이송용 로봇암 블레이드에 탈부착되는 미끄럼 방지 패드에 관한 것으로, 블레이드에 형성된 관통홀에 탈부착이 가능하도록 측면에 장착홈이 형성된 장착부 및 장착부의 상면에 접합되는 패드부를 포함하고, 패드부는 베이스부 및 베이스부의 상면에 형성되며 하나 이상의 미세패턴을 포함하는 패턴부를 포함하고, 패드부의 하면 및 장착부의 상면의 접합은 플라즈마 본딩에 의한 산소 및 실리콘 사이의 화학결합을 포함하여, 반도체 소자 제조 공정 중 반도체 웨이퍼를 안정적으로 로봇암에 장착되도록 하며, 반복 사용에 따른 마모로 인해 교체가 필요할 경우 용이하게 교체가 가능하도록 한다.
Patent KR-20230031685-A (KR)
Inventor: SUNMIN HWANG
IPC: G03B30/00
Filed: 2021-08-27
Abstract: 본 발명의 실시예에 따른 카메라 모듈은 렌즈가 배치되는 제1바디; 상기 제1바디와 결합하는 제2바디; 상기 제1바디와 상기 제2바디 사이에 배치되는 복수의 기판; 및 상기 복수의 기판이 광축 방향으로 이격되어 배치되도록 고정하는 지지부재를 포함하고, 상기 지지부재는 서로 다른 기판 사이에 배치되는 측벽, 상기 측벽으로부터 연장되는 연장부를 포함한다.
Patent KR-20210111234-A (KR)
Title: Adhesive composition, and adhesive film, surface-protective film using the same
Inventor: NAGAKURA TAKESHI
IPC: C08K5/29
Filed: 2021-09-03
Abstract: Provided is an adhesive composition that has an excellent balance of an adhesive force at a low peeling speed and a high peeling speed and can achieve both excellent antistatic performance and stain resistance and an adhesive film and a surface protective film using the same. An acrylic polymer, which is obtained by copolymerizing (A) 100 parts by weight of the total of at least two or more alkyl (meth)acrylates having an alkyl group having 1 to 10 carbon atoms; (B) 1.0-6.0 parts by weight of a hydroxyl group-containing copolymerizable monomer; and (C) 0.01-0.6 parts by weight of a carboxyl group-containing copolymerizable monomer; and has an acid value of 0.1-1.0 and a weight average molecular weight of more than 300,000 and 1,000,000 or less, contains 50 parts by weight or more of 2-ethylhexyl acrylate and 5-40 parts by weight of the total of one or more monofunctional methacrylate monomers that forms a homopolymer having a Tg of 0℃ or higher.
Patent KR-20230035939-A (KR)
Title: 디스플레이 디바이스
Inventor: WOO JUNG SONG
IPC: G06F1/16
Filed: 2021-09-06
Abstract: 디스플레이 디바이스가 개시된다. 디스플레이 디바이스는: 디스플레이 패널; 상기 디스플레이 패널의 후방에 위치하고, 상기 디스플레이 패널이 결합되는 프레임; 상기 프레임의 후방을 커버하는 백커버; 상기 프레임과 상기 백커버 사이에 위치하고, 상기 프레임에 결합되는 파워 서플라이 보드; 인덕터를 구비하고, 상기 파워 서플라이 보드의 후면에 결합되는 라인 필터; 상기 인덕터가 위치하는 내부 공간을 제공하고, 상기 파워 서플라이 보드에 결합되는 하우징; 그리고, 상기 하우징의 후면에 결합되는 페라이트 재질의 리어 코어를 포함할 수 있고, 상기 리어 코어는, 전후방향에서, 상기 인덕터의 적어도 일부와 중첩될 수 있다.
Patent KR-20230039231-A (KR)
Title: 착색 감광성 수지 조성물, 이를 이용하여 제조된 컬러필터 및 표시장치
Inventor: SHIN YOUNG CHAN
IPC: G02B5/20
Filed: 2021-09-14
Abstract: 본 발명은 착색제, 알칼리 가용성 수지, 광중합성 화합물, 광중합 개시제 및 용제를 포함하고, 상기 착색제는 중심원자를 함유하지 않는 프탈로시아닌을 포함하는 것인, 착색 감광성 수지 조성물 및 이를 이용하여 제조된 컬러필터, 및 상기 컬러필터를 포함하는 표시장치를 제공한다.
Patent KR-20230042160-A (KR)
Title: 잠금 기능이 포함되고 지문으로 잠금을 풀 수 있는 자전거
Inventor: LEE JUN HYEOK
IPC: G07C9/00
Filed: 2021-09-19
Abstract: 본 발명은 잠금 기능이 포함되고 지문으로 잠금을 풀 수 있는 자전거에 있어서, 자전거를 자동으로 잠금 해주는 잠금장치; 지문을 인식하여 잠금을 해제하는 지문인식기;를 포함하여 구성 됨으로써 도난 방지를 위해 잠금을 할 때 번거롭게 별도의 잠금장치를 사용할 필요가 없다는 장점이 있음은 물론, 잠금을 해제할 때 지문을 이용한 간편한 해제가 가능한 잠금해제 기능이 포함되어 사용자의 편의성과 안전성이 향상되는 잠금기능이 포함되고 지문으로 잠금을 풀 수 있는 자전거를 제공한다.
Patent KR-20220043039-A (KR)
Title: Double-side or one-side machining machine
Inventor: BOLLER HANSPETER
IPC: B24B7/17
Filed: 2021-09-24
Abstract: The present invention relates to a double-side or one-side machining machine. The machine includes a preferably annular first working disk which is fastened to a first support disk and a counter bearing element. The first working disk and the counter bearing element can be driven to rotate relative to each other by at least one drive shaft. A working gap is formed between the first working disk and the counter bearing element to machine both sides or one side of flat workpieces. A pressure space is arranged between the first support disk and the first working disk and is connected to a pressure fluid supply unit. The pressure fluid supply unit can be actuated such that a pressure is created in the pressure space that generates a predetermined deformation of the first working disk. A temperature control channel connected to a temperature control fluid supply unit is provided for controlling the temperature of the first working disk. The temperature control channel is arranged within the first working disk so that the temperature control channel is arranged closer to the working gap than the pressure space. The temperature control channel is not connected to the pressure space. Accordingly, the required geometry of the working gap can always be ensured easily, reliably, and flexibly.
Patent KR-20210128368-A (KR)
Inventor: OH TAE YOUL
IPC: H04B7/10
Filed: 2021-09-29
Abstract: Disclosed are a spatial multiplexing method and apparatus using polarization in a multi-beam system. According to one embodiment of the present invention, the spatial multiplexing method using polarization in a multi-beam system comprises the steps of: determining different phases and different polarizations to be applied to a first beam and a second beam; precoding a signal so that the first beam and the second beam have the determined different phases, respectively; and converting the polarization of the precoded signal so that the first beam and the second beam have the determined different polarizations, respectively.