baber/WOPTO huggingface dataset:
Patent KR-20200110431-A (KR)
Title: 적층체
Inventor: KUWAJIMA YUUKI
IPC: B32B27/30
Filed: 2019-01-09
Abstract: 본 발명은, 내연료 투과성이 우수한 적층체를 제공하는 것을 목적으로 한다.  본 발명은, 연료 투과 계수가 2.0g·㎜/㎡/day 이하의 불소 수지로 이루어지는 불소 수지층(A) 및 SP값이 11.5 내지 13.5(cal/㎤) 1/2 이고, 또한, 연료 투과 계수가 1.0g·㎜/㎡/day 이하의 비불소 수지로 이루어지는 비불소 수지층(B)을 갖는 것을 특징으로 하는 적층체에 관한 것이다.
Patent KR-20200121818-A (KR)
Title: 비강내 에피네프린 제제 및 질환의 치료 방법
Inventor: LOWENTHAL RICHARD
IPC: A61P37/08
Filed: 2019-02-06
Abstract: 에피네프린을 갖는 제제를 포함하는 비강 전달에 적합화된 약물 제품 및 이러한 제제를 포함하는 장치가 제공된다. 에피네프린 제품으로 아나필락시스를 치료하는 방법이 또한 제공된다.
Patent KR-20200138278-A (KR)
Title: 성형품의 제조 방법 및 성형품의 프리폼
Inventor: FUJIOKA TAKASHI
IPC: C08J7/056
Filed: 2019-03-28
Abstract: 강성 및 경량성이 우수하고, 의장성, 방액성을 향상함과 함께, 간이한 공정으로 성형품을 성형할 수 있는 성형품의 제조 방법을 제공한다.  본 발명은 다공질체(A)의 표면에 박막층(B)이 형성된 성형품의 제조 방법으로서, 이하의 공정 (I) 내지 (II)를 이 순으로 행한다.  공정 (I): 상기 다공질체(A)의 전구체(a)의 표면에 상기 박막층(B)을 형성하여 프리폼을 얻는 공정; 공정 (II): 상기 전구체(a)를 팽창시켜서 상기 다공질체(A)로 성형하는 공정
Patent KR-20200138790-A (KR)
Title: 대상체의 소변 샘플에서 마이코박테리아와 관련된 항원을 검출하기 위한 항체 또는 항체 조합 및 이를 사용하는 방법
Inventor: TOBIAS BROGER
IPC: G01N33/569
Filed: 2019-03-29
Abstract: 대상체의 시험관내 샘플 소변에서 마이코박테리아와 연관된 항원을 검출하기 위한 항체로서, 여기서 상기 항원은 Man LAM(만노스 캡핑 리포아라비노만난)을 포함하고, 상기 항체는 상기 소변 유래의 상기 Man LAM 분자에 특이적으로 결합하며, 상기 항체는 3×10 -8  M 이하의 KD를 갖는 친화도로 상기 Man LAM에 결합하고, 여기서 상기 항체는 10 -3  M 이상의 KD를 갖는 친화도로 이노시톨 포스페이트로 캡핑되거나 캡핑되지 않은 LAM 분자에 결합하는 항체; 및 이를 사용하기 위한 방법.
Patent KR-20200128601-A (KR)
Title: 비-천연 아미노산 연결된 돌라스타틴 유도체를 함유하는 조성물, 이를 수반하는 방법, 및 용도
Inventor: MIAO ZHENWEI
IPC: C07D207/08
Filed: 2012-05-24
Abstract: 본 명세서에는 비-천연 아미노산과 적어도 1개의 비-천연 아미노산을 포함하는 돌라스타틴 유사체, 및 그러한 비-천연 아미노산과 폴리펩티드의 제조 방법이 개시되어 있다. 상기 돌라스타틴 유사체는 광범위하게 가능한 작용성을 포함할 수 있지만, 전형적으로 적어도 1개의 옥심, 카르보닐, 디카르보닐, 및/또는 히드록실아민기를 갖는다. 번역후 추가로 변형시킨 비-천연 아미노산 돌라스타틴 유사체, 그러한 번역을 수행하는 방법, 및 그러한 돌라스타틴 유사체의 정제 방법이 또한 본 명세서에 개시되어 있다. 전형적으로, 변형된 돌라스타틴 유사체는 적어도 1개의 옥심, 카르보닐, 디카르보닐, 및/또는 히드록실아민기를 포함한다. 추가로, 치료적, 진단적, 및 기타 생명기술 용도를 포함한, 그러한 비-천연 아미노산 돌라스타틴 유사체 및 변형된 비-천연 아미노산 돌라스타틴 유사체를 사용하는 방법이 개시되어 있다.
Patent KR-20210005098-A (KR)
Title: 호흡 보조 구강 장치
Inventor: HART CHRISTOPHER PATRICK
IPC: A61F5/56
Filed: 2019-05-02
Abstract: 사용자의 구강 내에 적어도 부분적으로 위치되도록 성형된 본체를 포함하는 호흡 보조 장치로서, 상기 본체는 사용 시 상기 사용자의 치아를 수용하도록 구성된 교합부; 상기 사용자의 입술 사이로 연장되는 구강 외 개구; 상기 구강의 후방 영역 내로 및/또는 후방 영역 외로 공기 흐름을 허용하기 위해, 상기 구강에 제공된 구강 내 개구; 및 상기 교합부와 조합하여, 상기 구강 외 개구와 구강 내 개구 사이에서 연장되는 포위된 기도를 형성하도록 구성된 적어도 하나의 기도 벽을 포함한다.
Patent KR-20210009374-A (KR)
Title: 반도체 장치의 제조 방법
Inventor: SUMINO TASUKU
IPC: H01L29/41
Filed: 2018-06-27
Abstract: 반도체 기판(1) 위에 레지스트(4)를 도포하고, 레지스트(4)에 제 1 개구(5)와 제 1 개구(5)보다 폭이 좁은 제 2 개구(6)를 형성한다.  레지스트(4)를 마스크로서 이용해서 반도체 기판(1)을 웨트 에칭하여 제 1 개구(5)와 제 2 개구(6) 아래에 연속된 1개의 리세스(7)를 형성한다.  리세스(7)를 형성한 후, 슈링크재(8)를 레지스트(4)와 가교 반응시켜 제 1 개구(5)를 폐색시키지 않고 제 2 개구(6)를 폐색시킨다.  제 2 개구(6)를 폐색시킨 후, 제 1 개구(5)를 통해서 리세스(7)에 게이트 전극(11)을 형성한다.
Patent KR-20210003290-A (KR)
Title: 디스플레이 패널, 투광 oled 기판 및 oled 기판
Inventor: LOU JUNHUI
IPC: H01L51/52
Filed: 2019-06-28
Abstract: 본 출원은 디스플레이 패널, 투광 OLED 기판 및 OLED 기판을 제공한다. 상기투광 OLED 기판은, 베이스; 상기 베이스상에 위치하는 제1 전극층; 제1 전극층상에 위치하는 발광 구조층; 및 상기 발광 구조층상에 위치하는 제2 전극; 을 포함한다. 상기 제1 전극층은 제1 방향을 따라 배열되는 복수 개의 전극 어셈블리를 포함하고, 각각의 상기 전극 어셈블리는 적어도 하나의 제1 전극을 포함하고, 각각의 제1 전극은 제2 방향을 따라 연장되고, 제2 방향은 제1 방향과 수직이며; 각각의 상기 제1 전극과 상기 제2 전극 사이에 구동 전압이 인가될 때, 투광 OLED 기판은 표시 기능을 수행하도록 구성되고; 각각의 상기 제1 전극과 상기 제2 전극 사이에 구동 전압이 인가되지 않을 때, 상기 투광 OLED 기판은 투광 기능을 수행하도록 구성된다.
Patent KR-20220015903-A (KR)
Title: 평면형 도파관을 갖는 플로우 셀의 제조
Inventor: YUAN DAJUN
IPC: B01L3/00
Filed: 2020-05-28
Abstract: 코어층을 형성하되, 코어층은 기판과 나노웰층 사이에 배치되고, 나노웰층은 시료를 수용하기 위한 나노웰을 가지며, 코어층은 기판 및 나노웰층보다 높은 굴절률을 갖는 단계; 및 격자를 형성하여 광을 코어층에 결합시키는 단계를 포함하는 플로우 셀 제조 방법이 하나의 예로 제공된다.
Patent KR-20210027294-A (KR)
Title: 드릴
Inventor: YAMAMOTO TAKAHIRO
IPC: B23B51/02
Filed: 2019-08-30
Abstract: 3매 날 드릴(1)은 보디(3), 배출 홈(4), 절삭 날(5), 씨닝 날(7) 및 개쉬부(8)를 구비한다.  보디(3)는 축심(AX)을 중심으로 연장된다.  배출 홈(4)은 보디(3)의 외주면(31)에 마련된다.  절삭 날(5)은 배출 홈(4)의 내면(41)과 보디(3)의 릴리프면(6) 사이의 능선 부분에 마련된다.  씨닝 날(7)은 절삭 날(5)의 단(51)으로부터 직경 방향 내측으로 연장된다.  개쉬부(8)는 R부(81)와 스트레이트부(82)를 갖는다.  R부(81)와 릴리프면(6)의 제1 능선(811)은 씨닝 날(7)의 단(71)으로부터 직경 방향 외측을 향하여, 회전 방향(R)을 향하여 만곡되어 연장된다.  스트레이트부(82)와 릴리프면(6)의 제2 능선(821)은 제1 능선(811)의 단(812)으로부터 직경 방향 외측을 향하여 직선형으로 연장되어, 외주면(31)보다도 직경 방향 내측에서 배출 홈(4)에 접속된다.
Patent KR-20220098872-A (KR)
Inventor: LEE JUNG GEUN
IPC: B60C15/024
Filed: 2021-01-05
Abstract: One embodiment of the present invention provides a technology for preventing cracks occurring on a bead unit by protecting the bead unit from an impact applied to the bead unit during mounting and demounting of a tire with respect to a rim. A heavy load pneumatic tire for preventing a damage during mounting and demounting according to an embodiment of the present invention comprises: a hump strip coupled to an outward part of the bead unit, which is one part of the tire in an outer direction, and an inward part of the bead unit, which is the other part of the tire in an inner direction, to prevent friction and impact between the bead unit and the rim where the tire is installed; protrusion units coupled to the inward part of the bead unit, having a curved outer surface facing the inside of the tire, and preventing cracks of the bead unit; and a T-bar formed in a bar shape between one protrusion unit and the other protrusion unit among the plurality of protrusion units to supplement stiffness of the protrusion units.
Patent KR-20220100165-A (KR)
Title: Home Delivery Order Kiosk
Inventor: NOH JUN SU
IPC: G07F17/40
Filed: 2021-01-08
Abstract: The present invention relates to a home delivery order kiosk. By means of the kiosk, anyone can easily and conveniently place an order for delivery, regardless of disability, age, or presence of a smart device. The present invention solves existing problems of accessibility for the disabled or the elderly is poor, fonts are small, and people who do not have a card or account when choosing a payment method may have difficulty placing an order. The kiosk of the present invention is a kiosk installed in the form of furniture in a home so that anyone can easily and conveniently place a delivery order in a delivery application regardless of disability, age, or presence of a smart device.
Patent KR-20220102787-A (KR)
Inventor: JIHYUN YOON
IPC: A47L9/22
Filed: 2021-01-14
Abstract: Provided is a mattress care device comprising: a storage station; a cord reel located inside the storage station; and a suction care device that is detachably stored in the storage station while being independently from the cord reel, wherein the cleaning module is configured to be operated by receiving power while being directly connected to a power line cable wound around the cord reel. The present invention makes it possible to perform the operations for mattress care for a sufficient period of time, and is configured such that a power line cable-connecting portion is driven in conjunction with moving positions of the suction care device so as to be rotated, thereby preventing cable twisting in power line cables or the occurrence of interference while moving.
Patent KR-20220106506-A (KR)
Inventor: SOUNG GI BONG
IPC: H04Q9/04
Filed: 2021-01-22
Abstract: The present invention relates to a system which provides a service of an advertisement board to a network by using internet data at a desired location from a remote distance or a short distance at a desired time based on a remote power on/off system and a power on/off method. The present invention relates to an advertisement technique capable of outputting a desired amount of advertisements according to a situation of a consumer.
Patent KR-20220108402-A (KR)
Inventor: PYO CHOONG WAN
IPC: A61L2/10
Filed: 2021-01-27
Abstract: The present invention relates to a button sterilization management system which comprises: a left-sided wall having a left-sided inner surface formed on a left-sided portion of a button to face the button and a left-sided outer surface formed to face an opposite side of the button; a right-sided wall having a right-sided inner surface formed on a right-sided portion of the button to face the button and a right-sided outer surface formed to face an opposite side of the button; a top end wall having a top end inner surface formed on a top end portion of the button to face the button and a top end outer surface facing an opposite side of the button; a bottom end wall having a bottom end inner surface formed on a bottom end portion of the button to face the button and a bottom end outer surface facing an opposite side of the button; and ultraviolet ray light-emitting diodes formed on the left-sided inner surface and the right-sided inner surface to emit a ultraviolet ray which has a sterilization function of sterilizing the button to the button.
Patent KR-20220111374-A (KR)
Inventor: LEE JIN WOO
IPC: A61P19/00
Filed: 2021-02-02
Abstract: The present invention relates to a pharmaceutical composition for preventing or treating bone diseases. Since the composition according to the present invention enhances the differentiation of osteoclasts and effectively maintains the balance between osteoclasts and osteoblasts, there is a remarkable therapeutic effect on bone diseases. The present invention is the composition for promoting osteoclast differentiation, comprising polaprezinc as an active ingredient.
Patent KR-20220112460-A (KR)
Title: Central electrolyte supply system and electrolyte management method thereof
Inventor: HONG SUK JIN
IPC: H01M50/60
Filed: 2021-02-04
Abstract: The present invention relates to a central electrolyte supply system and an electrolyte management method thereof. The present invention is to increase safety in supplying an electrolyte from a storage tank to a supply tank by controlling the temperature of the electrolyte and detecting a leak. The present invention comprises: a storage tank for storing an electrolyte; a supply tank for supplying the electrolyte; a pipe for supplying the electrolyte to the supply tank by connecting the storage tank and the supply tank; a temperature control module for adjusting a first temperature of the electrolyte flowing through the pipe; and a sensor module for measuring the state of the electrolyte.
Patent KR-20210056290-A (KR)
Title: Slitter Knife for Manufacturing of Corrugated Fiberboard Box and Corrugated Fiberboard Box Manufacturing Method
Inventor: RYU JAE POONG
IPC: B26D11/00
Filed: 2021-02-10
Abstract: The present invention relates to a slitter knife mounted on an upper slitter head of a slitter for manufacturing a corrugated paper forming an incision groove on a cover plate of a transferred corrugated paper box for manufacturing a large number of corrugated paper boxes with improved sealing properties rapidly, which comprises: a first knife which is made of arch-shaped plates, and forms a pair of length cutting blades for cutting a cover plate in the transferring direction of the corrugated paper boxes on an outer circumference, and has a width cutting blade for cutting the cover plate at right angles to the transferring direction of the corrugated paper boxes on one side of the length cutting blades, thereby cutting the cover plate for an inner end part of the cover plate to be excluded when the upper slitter head rotates and thereby forming an incision groove; and a second knife placed on one side of the first knife to cut an inner end part of the cover plate in the transferring direction of the corrugated paper boxes when the upper slitter head rotates, thereby forming an incision line on the cover plate.
Patent KR-20210022597-A (KR)
Title: Coding apparatus and method for coding playback condition of media contents
Inventor: KIM CHUL HWOI
IPC: H04N21/2343
Filed: 2021-02-16
Abstract: One embodiment of the present invention provides a coding device including: a dot code recognition sensor which sequentially recognizes a first media content code which is a dot code corresponding to the first media content information and N number of coding command code which are N number of dot codes for configuring a first playback condition which is a playback condition of the first media content, and sequentially recognizes a second media content code, which is a dot code corresponding to the second media content information and M number of coding command code which are M number of dot codes for configuring a second playback condition which is a playback condition of the second media content; a memory unit for storing a media content DB including a plurality of media content; a coding unit uses a plurality of codes including a first media content code, N number of coding command codes, a second media content code, and M number of coding command codes to perform a reproduction algorithm of a media content group including the first media content and the second media content; and a content playback unit sequentially plays the media contents included in the media contents group in the media contents DB according to the selection and playback algorithm, and when the first media contents are played, the first playback condition is set as the playback condition of the first media contents, when playing the second media content after completing the playback of the first media content, the preset first playback condition is changed to the second playback condition.
Patent KR-20220117713-A (KR)
Title: Rubber composition for tire tread and tire manufactured by using the same
Inventor: WON JONG KOOK
IPC: C08L9/06
Filed: 2021-02-17
Abstract: The present invention relates to a rubber composition for tire tread and a tire manufactured using the same, and more particularly, to a rubber composition for tire treads with excellent abrasion resistance and braking performance on wet roads without using butadiene rubber by using a mixture of solution-polymerized styrene-butadiene rubbers with different glass transition temperatures and a tire manufactured using the same.
Patent KR-20210137379-A (KR)
Title: Transistor structure and related inverter
IPC: H01L21/8238
Filed: 2021-02-19
Abstract: The present invention relates to a transistor structure, an inverter and a transistor set capable of reducing complexity of interconnecting multiple layers on a semiconductor substrate surface. The transistor structure comprises: a semiconductor substrate; a gate structure; a channel area and a first conductive area. The semiconductor substrate has a semiconductor surface. The channel area comprises a first terminal and a second terminal. The first conductive area is electrically coupled to a first terminal of the channel area. And the first conductive area comprises a first metal-containing area below the semiconductor surface.
Patent KR-20220119857-A (KR)
Title: Method for business concierge servive based on AI(artificial intelligence) and apparatus for performing the method
Inventor: KIM MIN JUN
IPC: G06Q10/10
Filed: 2021-02-22
Abstract: The present invention relates to a business concierge service method based on an artificial intelligence and a device that performs this method. Therefore, the present invention is capable of minimizing an increase in communication costs due to the addition of personnel.
Patent KR-20210108893-A (KR)
Title: Slit nozzle and substrate processing apparatus
Inventor: ABE YUJI
IPC: H01L21/67
Filed: 2021-02-22
Abstract: In a slit nozzle and a substrate treatment apparatus comprising the same, the operation for equalizing the discharge amount between the central part and the end part of a discharge port is efficiently performed. A slit nozzle according to the present invention comprises a nozzle body that forms a discharge port opening in a slit shape when a pair of lip parts face each other with a gap, and an adjustment mechanism that adjusts an opening width of the discharge port by displacing the pair of lip parts relatively in an approaching direction and a separating direction. In at least one of the pair of lip parts, a groove is provided in parallel to a longitudinal direction of the discharge port on a surface opposite to a facing surface that faces the other lip part. The adjustment mechanism adjusts the opening width by deforming the nozzle body so as to increase or decrease an interval between the portions of the nozzle body that face each other with the groove therebetween. The adjustment mechanism has a plurality of adjustment screws arranged in the longitudinal direction, and the distance between the adjustment screw and the facing surface is larger than that of the central portion at a position corresponding to the end part of the discharge port.
Patent KR-20220125064-A (KR)
Title: A dust collector for manufacturing vessel
Inventor: KIM HYUN WOO
IPC: B01D46/00
Filed: 2021-03-04
Abstract: The present invention relates to a dust collector for shipbuilding, comprising: a suction pipe having an inlet port, a rotatably installed suction fan installed adjacent to the inlet port, and a connection pipe having an adjustable length, and guiding mixed air containing foreign substances comprising dust flowing through the connection pipe; a discharge pipe having a discharge fan and guiding the air from which foreign substances are filtered from the mixed air; a first inlet having an inlet, a distribution port, and an outlet connected to the discharge port of the connection pipe, and in which suction pressure is formed inside by an ejector or a compressor, the pressure flows through the distribution port, and the mixed air can be discharged through the outlet; a filtering unit installed to be able to communicate with the outlet of the first inlet, having a filter for filtering the foreign substances therein and an outlet for discharging the air passing through the filter, and receiving the suction pressure and the pressure formed through the distribution port; a second inlet having a pressure chamber communicating with the distribution port, and installed between the filtering unit and the discharge pipe; and a traction tool provided to be portable on the operator's body. The present invention can be conveniently carried by an operator, and suck in dust or mixed air containing dust and foreign substances upstream and downstream of the filtering device.
Patent KR-20220113220-A (KR)
Inventor: YU HYEONG SEOK
IPC: G06F13/16
Filed: 2021-03-19
Abstract: Disclosed is a method and device of operating a neural network. According to an embodiment of the present invention, a neural network calculation method includes the steps of: receiving a plurality of data for the neural network operation; verifying whether competition occurs between a first data traversal path corresponding to a first operation device and a second data traversal path corresponding to a second operation device; determining first operand data and second operand data from among the data using a result of the verifying and a priority between the first data traversal path and the second data traversal path; and performing the neural network operation based on the first operand data and the second operand data.
Patent KR-20220132281-A (KR)
Title: Electronic device including metal housing
Inventor: LEE JONGSU
IPC: H05K5/04
Filed: 2021-03-23
Abstract: An objective of the present invention is to provide an electronic device including a housing having a white color with excellent brightness. According to one embodiment of the present invention, the electronic device comprises: a housing forming a portion of the outer surface of the electronic device; and a display arranged in the housing, and visually exposed through one surface of the housing. The housing includes a first part including a metallic material. The first part includes: a base material layer made of a metallic material; a first film layer arranged adjacent to the surface of the housing, and including an oxide of the metallic material; and a second film layer arranged between the base material layer and the first film layer, and including an oxide of the metallic material. The first film layer includes a first pore structure extended in a direction substantially perpendicular to the surface of the first film layer. The second film layer includes a second pore structure at least partially communicating with the first pore structure and extended in a radial shape toward the base material layer. Various other embodiments identified through the specification are also possible.
Patent KR-20220135523-A (KR)
Title: Motor and cleaner having the same
Inventor: WOONG HWANG
IPC: H02K1/12
Filed: 2021-03-30
Abstract: A motor and a cleaner including the same are disclosed. According to one of various embodiments of the present invention, the motor comprises: a stator including a stator core; a rotating shaft disposed inside the stator; a rotor that rotates around the rotating shaft by electromagnetically interacting with the stator; a housing prepared to accommodate the stator and the rotor; and a bearing coupled to the housing so that the stator and the rotor are stably coupled. The stator and the rotor are individually assembled to the housing such that the center of the stator core and the center of the rotor in an extending direction of the rotating shaft are disposed at different positions from each other in the extending direction of the rotating shaft.
Patent KR-20220136774-A (KR)
Inventor: CHOI HAEJIN
IPC: H04N7/01
Filed: 2021-04-01
Abstract: Provided are an up-sampling system using multiple images and a method thereof. The up-sampling system using multiple images, includes: an image signal acquisition unit formed to acquire a plurality of image signals by capturing a plurality of images in different time zones; an image signal pre-processing unit formed to generate a plurality of classified normalized signals by pre-processing the plurality of image signals; a delay information processing unit formed to acquire an optimal delay value of each of the normalized signals by using the plurality of normalized signals and partial delay signals; and an image signal post-processing unit formed to output an up-sampling signal made by merging the plurality of normalized signals by using the optimal delay value. Therefore, the present invention is capable of acquiring an outcome similar to an outcome photographed with a high-frame camera.
Patent KR-20220138173-A (KR)
Title: Driving Apparatus for Multiple Phase Shifter
Inventor: LEE SEUNG YONG
IPC: F16H1/14
Filed: 2021-04-05
Abstract: Disclosed is a driving apparatus for a multi-phase shifter. According to the present invention, the driving apparatus for a multi-phase shifter comprises: a driving motor; a driving shaft rotating in response to the rotation of the driving motor; a first bevel gear unit coupled to a first end of the driving shaft and providing a rotational force based on a rotational axis perpendicular to the rotational axis of the driving shaft; a second bevel gear unit coupled to a second end of the driving shaft and providing a rotational force based on a rotational axis perpendicular to the rotational axis of the driving shaft; a first screw gear rotated by receiving the rotational force from the first bevel gear unit and having a screw thread formed on the outer circumferential surface thereof; a second screw gear rotated by receiving the rotational force from the second bevel gear unit and having a screw thread formed on the outer circumferential surface thereof; a moving bar moving up and down by the rotational force provided from the first screw gear and the second screw gear; and a plurality of sliding members coupled to the moving bar and moving up and down together in correspondence with vertical movement of the moving bar, wherein each of the plurality of sliding members is coupled to each of a multi-phase shifter to change an electrical length of a transmission line section of each of the multi-phase shifter according to the vertical movement. Accordingly, the driving apparatus for a multi-phase shifter provides an advantage of adjusting the phases of each phase shifter precisely while adjusting the phases of the multi-phase shifter simultaneously.