baber/WOPTO huggingface dataset:
Patent KR-20220157081-A (KR)
Title: Water cooled condenser
Inventor: CHOI JI HOON
IPC: F25B43/04
Filed: 2021-05-20
Abstract: In accordance with a purpose of the present invention, provided is a water-cooled condenser capable of reducing the whole package and improving vibration durability by having a gas-liquid separator coupled between a condensing area and a supercooling area by a connection plate unit provided with an internal flow path. To achieve the purpose, in accordance with the present invention, the water-cooled condenser includes: a condensation area in which a refrigerant is condensed through a heat exchange between the refrigerant and cooling water; a gas-liquid separator separating gas and liquid from the refrigerant condensed in the condensation area, in an inner space; a supercooling area in which the refrigerant is supercooled through a heat exchange between the refrigerant having passed through the gas-liquid separator and the cooling water; and a connection plate unit having one side coupled between the condensation area and the supercooling area, and having the other side coupled to the gas-liquid separator, wherein the connection plate unit includes an internal flow path connected to the condensation area, the gas-liquid separator and the supercooling area.
Patent KR-20220159081-A (KR)
Inventor: CHO YONG JUN
IPC: B62J45/42
Filed: 2021-05-25
Abstract: The present invention relates to a sensor module for a transmission device installed in a harvesting transmission device necessary for harvesting field crops such as peppers, beans, strawberries, eggplants and tomatoes. In addition, according to the present invention, the sensor module for a transmission device comprises: a plurality of body parts arranged side by side with each other; a hinge part for hinge-joining the plurality of body parts to each other; and a sensor part coupled to the plurality of body parts. Body parts of both ends of the plurality of body parts may be coupled to the transmission device.
Patent KR-20220159162-A (KR)
Inventor: MUN YEONG JIN
IPC: G01J1/42
Filed: 2021-05-25
Abstract: Suggested in the present invention are an optical signal processing device and an optical signal processing method, which are capable of accurately detecting the amount of light by sequentially using two different sensing circuits for incident light. The optical signal processing device includes an optical sensor circuit, a first switch, an amplifier, an optical signal conversion block, a second switch, and a third switch.
Patent KR-20220159757-A (KR)
Inventor: YUN SANG HYEOK
IPC: B32B5/02
Filed: 2021-05-26
Abstract: Disclose is a method for manufacturing a ventilation sheet for a vehicle. A ventilation sheet for a vehicle is manufactured by performing anti-fouling finishing treatment using an anti-fouling coating agent including a specific amount of an antifouling composition. Accordingly, anti-fouling properties can be improved to prevent the sheet from being fouled, and flame-retardant treatment is performed through a flame-retardant aqueous solution including a specific amount of flame-retardant PET fiber and a specific amount of a flame retardant in bath, so that the deterioration of flame retardancy caused by the improved anti-fouling properties can be prevented through the flame-retardant treatment while ventilation properties are maintained.
Patent KR-20220160234-A (KR)
Inventor: RYU SOON GEE
IPC: H02K17/44
Filed: 2021-05-27
Abstract: The present invention relates to an air gap detection device for an exciter of a generator installed in an exciter connected to a crankshaft of a main engine so as to detect an air gap in the exciter in real time. The air gap detection device comprises: an exciter hub mounted on the crankshaft of the engine to rotate; an exciter rotor mounted on the exciter hub to rotate; an exciter stator mounted on a generator housing to face the exciter rotor with a predetermined air gap therebetween; an air gap sensor installed on the exciter stator to measure an interval between the exciter rotor and the exciter stator; and a control unit electrically connected to the air gap sensor.
Patent KR-20210147972-A (KR)
Inventor: YUN HAESUNG
IPC: C09D129/04
Filed: 2021-05-28
Abstract: The present invention relates to an antimicrobial polymer composition, and more specifically, to an antimicrobial polymer composition capable of manufacturing a coating layer exhibiting excellent antibacterial properties.
Patent KR-20210148939-A (KR)
Inventor: DOORNBOS GERBEN
IPC: H01L29/78
Filed: 2021-05-28
Abstract: A semiconductor transistor comprises a channel structure comprising a channel region and two source/drain regions positioned on each side of the channel region. The channel region and the two source/drain regions are stacked along the first direction. A gate structure surrounds the channel region.
Patent KR-20220162907-A (KR)
Title: Fire extinguisher with improved function
Inventor: KIM PARK MI
IPC: A62C37/38
Filed: 2021-06-01
Abstract: The present invention relates to an automatic fire extinguishing apparatus of an improved function. The automatic fire extinguishing apparatus wherein the function is improved according to the present invention, as the automatic fire extinguishing apparatus in which a fire extinguishing fluid of the fire extinguishing agent container interior is vaporized to form a spraying pressure and a nozzle is melted open to spray a high-pressure fire extinguishing fluid to a fire source, comprises: a sensing unit sensing a fire; a heating unit supplying a heat to a fire extinguishing agent container and the nozzle; a controlling unit controlling the heating unit according to information sensed by the sensing unit; and a power supply unit supplying a power to the heating unit, the sensing unit, and the controlling unit. Since the fire extinguishing agent container and the nozzle are forcibly heated by the heating unit, the high-pressure fire extinguishing fluid may be sprayed even in an initial fire.
Patent KR-20220164113-A (KR)
Title: Composition for reducing ammonia generation in animal manure
Inventor: YEO MYEONG YUN
IPC: B01D53/84
Filed: 2021-06-03
Abstract: The present invention provides a composition for reducing the generation of ammonia in animal manure containing urea structural analogues and nitrifying bacteria. The composition for reducing the generation of ammonia in animal manure according to the present invention is used to inhibit the activity of urea hydrolase, thereby suppressing the generation of ammonia that is a precursor of fine dust and reducing odors generated from organic waste.
Patent KR-20220168337-A (KR)
Title: Method and apparatus for providing blockchain
Inventor: PARK SE JIN
IPC: G06F16/23
Filed: 2021-06-16
Abstract: Disclosed are a method and device for providing a blockchain. The method for providing the blockchain performed by any one specific node among a plurality of blockchain nodes may comprise: a step of generating a new block based on the new transaction data; a step of identifying a difference of a block structure between the generated new block and existing blocks existing before the new block; and a step of determining a block hash value for the new block based on the difference of the block structure between the identified new block and existing blocks. Therefore, the present invention enables blocks corresponding to different blockchains to be maintained in one blockchain.
Patent KR-20220168455-A (KR)
Title: Time limiting triboelectric generator capable of disassembled by ultrasonic waves
Inventor: KIM SANG WOO
IPC: A61N1/36
Filed: 2021-06-16
Abstract: The present invention relates to a timed triboelectric generation element capable of ultrasonic decomposition. The timed triboelectric generation element capable of ultrasonic decomposition comprises: an electrode unit made of a biodegradable material; a friction unit made of a biodegradable material; and an outer wall unit made of a porous timed material. Therefore, the timed triboelectric generation element capable of ultrasonic decomposition is inserted into a human body to be used for a treatment purpose.
Patent KR-20210082142-A (KR)
Title: Display device and electronic device
Inventor: TAKAHASHI KEI
IPC: H01L27/15
Filed: 2021-06-24
Abstract: The present invention provides a display device having a display part having a very high definition. It has a pixel circuit and a light emitting element. The pixel circuit has a first element layer having a first transistor and a second element layer having a second transistor. The first transistor has silicon in a channel formation region. The first transistor has a function of driving the light emitting element. The second transistor has a function of a switch. The second transistor has a metal oxide in the channel formation region. The metal oxide has a semiconductor function. The second element layer is provided above the first element layer.
Patent KR-20230000835-A (KR)
Inventor: KIM BUNG KOO
IPC: G06F40/186
Filed: 2021-06-25
Abstract: Provided is a foreign language translation processing device, which includes: an original document registration unit for registering the original document of the official document input through a user terminal; a document template setting unit for recognizing the template of the original document and setting a foreign language template of a foreign language document maintaining the same format as the template of the original document; and a translation processing unit for searching variables on the template of the original document to generate a data object, generating a translation object for the data object through a translation engine, and arranging the translation object on the foreign language template.
Patent KR-20230007073-A (KR)
Title: surgical tool for groin hernia ligation
Inventor: TAE GIL HEO
IPC: A61B17/12
Filed: 2021-07-05
Abstract: A surgical tool for inguinal hernia sac ligation operation is introduced. The present invention comprises: a handle part formed to a predetermined length and having a diameter that can be grasped by hand; a pressurizing part provided in front of the handle part to approach and contact the patient's peritoneal layer with a presser foot surface spread over a predetermined area; and a lead part guiding the hernial sac ligation operation during hernia surgery through a lead hole formed by cutting from the outer circumference of the pressurizing part toward a central part. When ligating the hernia sac in the groin, the optimal ligation environment can be selected and provided where a surgeon moves a suture needle held in one hand and a ligation surgical tool held in the other hand directly to the surgical site to suture. Accordingly, it is possible to focus on suturing work even when the number of assistants participating in the surgery is insufficient or inexperienced, and perform the surgical procedure smoothly.
Patent KR-20230007761-A (KR)
Title: Delivery method and system using autonomous mobility
Inventor: CHA DONG EUN
IPC: B60W60/00
Filed: 2021-07-06
Abstract: Disclosed are a method and a system for delivery using an autonomous driving mobility. The present invention provides a delivery service by using a mobility capable of autonomous driving, secures reliability according to use of the delivery service through an authentication process between the mobility and a user, and satisfies a delivery request required by the user to improve satisfaction of the delivery service.
Patent KR-20230012356-A (KR)
Inventor: HWANG JUNE
IPC: H04W92/20
Filed: 2021-07-15
Abstract: The present invention relates to a 5G or pre-5G communication system for supporting a higher data transmission rate after a 4G communication system such as long term evolution (LTE). The present invention relates to a control signal processing method in a wireless communication system, which comprises the following steps of: receiving a first control signal transmitted from a base station; processing the received first control signal; and transmitting a second control signal generated based on the processing to the base station.
Patent KR-20230012755-A (KR)
Title: Apparatus for estimating camera pose using multi view image of 2d array structure and method using the same
Inventor: KIM JOON SOO
IPC: G06T7/80
Filed: 2021-07-16
Abstract: A camera pose estimation apparatus using a multi-view image in a two-dimensional array structure and a method using the same are disclosed. The camera pose estimation method according to one embodiment of the present invention comprises the steps of: acquiring a multi-view image from a two-dimensional array of camera systems, by the camera pose estimation apparatus; forming a two-dimensional image link structure corresponding to the multi-view image by considering a geometric structure of the camera system; estimating an initial camera pose based on an adjacent image and feature point correspondence pairs extracted from the two-dimensional image link structure; and restoring a three-dimensional structure based on the initial camera pose, correcting the same to minimize reprojection error for the restored three-dimensional structure, and estimating a final camera pose. The camera pose estimation apparatus allows sophisticated mosaic-based omnidirectional video shooting.
Patent KR-20220030330-A (KR)
Title: Metal line and via barrier layers, and via profiles, for advanced integrated circuit structure fabrication
Inventor: MADHAVAN ATUL
IPC: H01L21/285
Filed: 2021-07-29
Abstract: Embodiments of the present disclosure are in the field of integrated circuit structure fabrication. In an example, an integrated circuit structure includes a first conductive interconnect line in a first inter-layer dielectric (ILD) layer above a substrate, a second conductive interconnect line in a second ILD layer above the first ILD layer, and a conductive via coupling the first conductive interconnect line and the second conductive interconnect line, in which the conductive via has a single, nitrogen-free tantalum (Ta) barrier layer. In another example, a method of fabricating an integrated circuit structure includes forming a partial trench in an inter-layer dielectric (ILD) layer, the ILD layer on an etch stop layer, etching a hanging via that lands on the etch stop layer, and performing a breakthrough etch through the etch stop layer to form a trench and via opening in the ILD layer and the etch stop layer. According to the present disclosure, it is possible to implement the fabrication of a high-performance multi-chip module (MCM) and system in package (SiP).
Patent KR-20230023088-A (KR)
Title: A method for manufacturing a laminated detachable foam board with a constant thickness
Inventor: KONG GYU TAEK
IPC: B29C44/56
Filed: 2021-08-09
Abstract: The present invention provides a method for manufacturing a foam board using a foam board manufacturing apparatus, wherein the apparatus comprises: a high-frequency processing unit (6) for high-frequency processing of the upper and lower surfaces of a foam board plate (2); high-frequency processing units (6-1, 6-2) for pulling out upper and lower surface sheets for lamination from sheet rolls and then high-frequency processing the laminated surface; and heating rolls laminating high-frequency processed sheets (9-1) on the top and bottom of a high-frequency processed foam board (2-1). The present invention provides a method for manufacturing a laminated detachable foam board with constant thickness, wherein a lamination process is realized by sequentially performing: a preheating step in which a high-frequency processed inner surface and a non-high frequency processed outer surface of a high-frequency processed sheet (9-1) are sequentially heated to 70-80℃; an inner surface heating step in which the high-frequency processed inner surface of the high-frequency processed sheet with the pre-heated inner surface and outer surface is heated to 130-140℃; an additional foam lamination step in which the high-frequency processed sheets with the heated inner surface are placed on the upper and lower surfaces of the high-frequency foam board plate (2-1) to be heated to 150-160℃ for lamination and additional foaming; a foaming stop step in which additional foaming is stopped by performing cooling after the additional foaming lamination to maintain a certain thickness of the high-frequency processed additional foamed foam board; and a pressing step in which a fused edge portion, high-frequency processed in the additional foaming lamination step after the foaming stop step, is pressed and cut to reduce the pulling force for separation of the lamination.
Patent KR-20220020795-A (KR)
Inventor: KANG SUNGTAEG
IPC: C12Q1/6895
Filed: 2021-08-12
Abstract: The present invention relates to a molecular marker for discriminating insecticide resistant or sensitive soybean cultivars and a use thereof. A molecular marker of the present invention can effectively discriminate an insecticide resistant soybean cultivar which does not exhibit phytotoxicity reaction against an insecticide, and an insecticide sensitive soybean cultivar which exhibits phytotoxicity reaction, thereby being usefully used for development of technologies which can increase the productivity of crops.
Patent KR-20210128951-A (KR)
Inventor: CHOI JI SUN
IPC: H04N21/2743
Filed: 2021-08-13
Abstract: A remote performance directing system is provided. The remote performance directing system includes a server that generates performance data performed in a performance hall on the basis of audience-less performance direction data and control data for controlling remote controlled devices in response to the performance data. The server converts the performance data into streaming data and transmits the streaming data to audiences at remote places, and the controlled devices at the remote places can be controlled by a control signal including the control data broadcasted by the server to implement a performance directing effect corresponding to the performance data when the performance data is reproduced.
Patent KR-20220122450-A (KR)
Title: Integrated circuit including three-dimensional memory device
Inventor: YOUNG BO FENG
IPC: H01L27/11578
Filed: 2021-08-13
Abstract: An integrated circuit is provided. The integrated circuit includes a three-dimensional memory device, a first word line driving circuit, and a second word line driving circuit. The three-dimensional memory device includes stacked structures extending in a column direction, respectively. Each stacked structure includes a stack of word lines. The stacked structure is provided with a first step structure located on a first side and a second step structure located on a second side. A word line extends to steps of the first and second step structures. The first word line driving circuit and the second word line driving circuit are located below the three-dimensional memory device and extend along the first side and the second side respectively. Some word lines in each stacked structure are routed from the first step structure to the first word line driving circuit, and other word lines in each stacked structure are routed from the second step structure to the second word line driving circuit.
Patent KR-20230027812-A (KR)
Inventor: YEON YEONG MO
IPC: G06F18/00
Filed: 2021-08-20
Abstract: 본 발명은 카메라의 촬영에 의해 획득된 영상을 분석하여 작업자의 관절포인트들을 추출한 후, 추출된 관절포인트들의 물리적 특성을 활용하여 작업자의 모션패턴을 검출함과 동시에 안전사고 발생 시, 관리자 단말기로 안전사고에 관련된 정보를 전송하도록 구성됨으로써 작업현장의 안전사고를 미연에 방지할 수 있을 뿐만 아니라 안전사고 발생 시, 이에 대한 신속한 대처가 이루어질 수 있고, 컨트롤러가 영상 분석 시, 인식된 작업자의 관절포인트들을 추출한 후, 추출된 관절포인트들 간의 거리, 속도 등을 활용하여 모션패턴을 검출하도록 구성됨으로써 모션패턴 검출의 정확성 및 신뢰도를 높일 수 있으며, 복수개의 GPU(Graphic Processing Unit)들을 이용하여 영상을 분석함으로써 카메라들의 촬영에 의해 획득된 고용량의 영상들의 실시간 처리 및 분석이 가능한 작업자 안전사고 모니터링 시스템에 관한 것이다.
Patent KR-20230027953-A (KR)
Title: 생활폐기물 소각 바닥재의 재활용방법, 소각 바닥재를 이용한 가열 아스팔트 혼합물 및 이의 제조방법
Inventor: YOON HO JOONG
IPC: C04B20/00
Filed: 2021-08-20
Abstract: 본 발명은 생활폐기물 소각 바닥재의 재활용에 관한 것으로, 보다 상세하게는 도시 생활쓰레기의 소각공정에서 발생하는 소각회 중에서 바닥재('소각 바닥재')를 가열 아스팔트 혼합물의 잔골재 대체재로 재활용하는 방법, 이를 위한 소각 바닥재의 처리방법, 이러한 소각 바닥재를 잔골재 대체재로 이용한 가열 아스팔트 혼합물 및 이의 제조방법에 관한 것이다. 본 발명에서는, 소각 바닥재를 건조, 분쇄 및 선별을 포함하는 전처리를 한 후 잔골재의 대체재로 가열 아스팔트 혼합물에 사용하는 소각 바닥재의 재활용방법이 제공된다. 본 발명에 따르면 전처리된 소각 바닥재를 가열 아스팔트 혼합물의 구성성분 중 하나인 잔골재 대체재로 사용함으로써 바닥 소각재를 대량으로 재활용하고 모래 같은 천연 잔골재의 사용량을 크게 줄이면서도 100% 천연 잔골재를 사용한 가열 아스팔트 혼합물과 동등한 정도로 우수한 품질의 가열 아스팔트 혼합물을 제조할 수 있다.
Patent KR-20230028834-A (KR)
Inventor: IM KWANYOUNG
IPC: G06F18/00
Filed: 2021-08-23
Abstract: 본 발명의 실시 예에 따른 서비스 제공 장치는, 영상 콘텐츠를 수집하는 데이터 수집부; 상기 영상 콘텐츠로부터, 메이크업 포즈별 영상 정보가 사전 학습된 제1 학습 모델을 이용하여 메이크업 영상을 분류하는 영상 콘텐츠 분류부; 상기 분류된 메이크업 영상으로부터, 메이크업 제품 또는 포즈 정보가 사전 학습된 제2 학습 모델을 이용하여 상기 메이크업 제품 또는 포즈 정보에 대응하는 메이크업 영상 구간 콘텐츠를 식별하는 구간 콘텐츠 식별부; 및 상기 메이크업 영상 구간 콘텐츠를 이용한 메이크업 콘텐츠 추천 서비스를 사용자 단말로 제공하는 추천 서비스 제공부를 포함한다.
Patent KR-20210107580-A (KR)
Title: Imaging lens assembly, camera module and electronic device
Inventor: HUANG YEO CHIH
IPC: G03B30/00
Filed: 2021-08-23
Abstract: An imaging lens assembly comprises a plastic barrel and a lens component set. The lens component set is placed in the plastic barrel and has an optical axis. The lens component set comprises an object side lens component and an image side lens component. The object side lens component has an external diameter surface and an optical effective part, and comprises a conic array surface which is located on an image side surface of the object side lens component and configured for coaxially arranging and connecting the image side lens component.
Patent KR-20230029104-A (KR)
Inventor: KIM JU HYUN
IPC: B25J9/00
Filed: 2021-08-23
Abstract: 본 발명은 키네틱 디스플레이 제어 시스템에 관한 것으로, 보다 상세하게는 복수 개의 키네틱 디스플레이 장치 및 통합제어부를 포함하는 키네틱 디스플레이 제어 시스템에 관한 것이다.  
이러한 본 발명에 따른 키네틱 디스플레이 제어 시스템은, 다관절로 구비된 로봇아암 및 이동 가능한 무빙모듈을 포함하여 영상의 표현력과 입체감을 극대화할 수 있고, 통합제어부를 포함하여 복수 개의 키네틱 디스플레이 장치가 서로 간섭되지 않는다는 효과가 있다.
Patent KR-20230031411-A (KR)
Title: 스테로이드계 사포닌 및 항산화활성을 증대시킨 발효숙성 구증구포 흑맥문동의  제조방법과 이를 포함한 액상제제의 제조방법
Inventor: KIM DEA KEUN
IPC: A23L2/38
Filed: 2021-08-27
Abstract: 본 발명은 스테로이드계 사포닌의 유효성분이 증가된 흑맥문동의 제조방법 및 이를 포함한 액상제제의 제조방법에 관한 것으로서, 보다 상세하게는 맥문동을 다섯종류의 천연과일 당침 발효숙성액으로 5단계의 발효 및 숙성단계와 9단계의 증숙 및 건조 단계를 통해 스테로이드계 사포닌의 활성성분인 오피오포고닌 (Ophiopogonin)의 함량과 항산화 활성을 증대시킨 원형 발효증숙 흑맥문동의 제조방법 및 이를 포함한 액상제제의 제조방법에 관한 것이다.
Patent KR-20210110546-A (KR)
Title: Method of manufacturing semiconductor devices and semiconductor devices
Inventor: LEE YI JING
IPC: H01L29/78
Filed: 2021-08-30
Abstract: In a method for manufacturing a semiconductor device, a gate dielectric layer is formed on a channel region made of a semiconductor material, a first barrier layer is formed on the gate dielectric layer, a second barrier layer is formed on the first barrier layer, a first work function tuning layer is formed on the second barrier layer, and the first work function tuning layer and the second barrier layer are removed. After the first work function tuning layer and the second barrier layer are removed, a second work function tuning layer is formed on the gate dielectric layer and a metal gate electrode layer is formed on the second work function tuning layer.
Patent KR-20230036584-A (KR)
Inventor: LEE YONGSEOK
IPC: H01M50/569
Filed: 2021-09-06
Abstract: 본 발명의 실시예에 따른 배터리 셀의 출력 측정 장치 및 방법, 그리고 이를 포함하는 배터리 팩은 배터리 셀들 각각의 출력 전압을 측정하는 복수의 프로브들, 상기 프로브들을 고정시키는 지그 및 상기 지그의 상하 이동을 제어하여 상기 배터리 셀들의 출력 전압을 측정하도록 하는 컨트롤러를 포함하여, 전기자동차의 주행 전과 주행 후 모든 배터리 셀의 개별 출력 전압을 측정함으로써 불량이 발생한 뱅크의 신속한 교체가 가능하므로, 배터리 셀의 노화를 방지되고 수명이 향상되는 고효율 및 고신뢰성의 배터리 셀의 출력 측정 장치 및 방법, 그리고 이를 포함하는 배터리 팩을 제공할 수 있다.
Patent KR-20230035887-A (KR)
Title: 배터리 셀 전극 정렬도 검사 방법
Inventor: OH HOKYEONG
IPC: G06T1/00
Filed: 2021-09-06
Abstract: 본 발명의 일 실시예에 따른 배터리 셀 전극 정렬도 검사 방법은, 배터리 셀의 음극판 및 양극판, 및 분리막으로 구성된 젤리롤의 정렬 상태를 검사하기 위한 배터리 셀 전극 정렬도 검사 방법으로서, 비전 카메라에 의해, 상기 젤리롤을 구성하는 개별 음극판 및 양극판의 비전 이미지를 촬영하여 전극 비전 이미지 데이터를 획득하는 단계와, 상기 전극 비전 이미지 데이터를 분석하여 상기 개별 음극판 및 양극판의 치수 데이터를 획득하는 단계와, 상기 획득된 개별 음극판 및 양극판의 치수 데이터를 MES 서버에 저장하는 단계와, 상기 젤리롤의 식별을 위해 셀 바코드를 마킹하는 단계와, 바코드 스캐너에 의해, 상기 셀 바코드를 스캔하여 해당 젤리롤의 개별 음극판 및 양극판의 치수 데이터를 상기 MES 서버로부터 수취하는 단계와, X-Ray 투사기에 의해, 상기 젤리롤을 X-Ray 촬영하여 상기 개별 음극판 및 양극판의 X-Ray 이미지 데이터를 획득하는 단계, 및 상기 개별 음극판 및 양극판의 치수 데이터를 상기 획득된 개별 음극판 및 양극판의 X-Ray 이미지에 대입하여 상기 개별 음극판 및 양극판의 위치를 도출하고, 최인접하는 상기 개별 음극판 및 양극판 사이의 갭을 산출하는 단계를 포함한다.