baber/WOPTO huggingface dataset:
Patent KR-20170092447-A (KR)
Inventor: EUNSUNG PARK
IPC: H04W84/12
Filed: 2015-10-15
Abstract: 본 발명에서는 무선 통신 시스템에서 물리 프로토콜 데이터 유닛(PPDU: Physical Protocol Data Unit) 송수신을 위한 방법 및 이를 위한 장치가 개시된다. 구체적으로, 무선 통신 시스템에서 장치가 PPDU을 전송하는 방법에 있어서, 상기 PPDU의 전송 대역폭에 걸쳐 주파수 영역(frequency domain)에서 HE-STF(High Efficiency-Short Training Field) 시퀀스를 생성하는 단계 및 상기 HE-STF 시퀀스를 기반으로 구성된 HE-STF 필드를 포함하는 PPDU를 전송하는 단계를 포함하고, 상기 HE-STF 시퀀스는 DC(direct current) 톤 및 가드(guard) 톤을 제외한 데이터 톤에 매핑되고, 상기 데이터 톤에서 소정의 값의 배수인 톤 인덱스를 가지는 모든 데이터 톤에 0이 아닌 값이 매핑될 수 있다.
Patent KR-20160134683-A (KR)
Title: 고 충격 폴리스티렌 제조 공정의 교차 제어
Inventor: WANG WEI
IPC: C08F2/38
Filed: 2015-03-12
Abstract: 본원 방법은 고 충격 폴리스티렌 (HIPS) 반응계를 제공하는 단계(여기서, HIPS 반응계는 반응기의 하류에 액화기를 가짐) 및 액화기 전에 HIPS 반응계로 지연제를 주입하는 단계를 포함한다.
Patent KR-20160145553-A (KR)
Title: 금융 상품 거래 시스템 및 금융 상품 거래 제어 방법
Inventor: HIDAKA YUKI
IPC: H04L12/18
Filed: 2014-06-24
Abstract: 금융 상품 거래 시스템의 일례인 증권 거래 시스템(10)을, 참가자 단말기(300)로부터 수신한 주문 전문이 포함하는 주문 종목 정보를 서버 관리 테이블(125)에 대조하여, 주문 전문의 할당처가 되는 트레이딩 서버(200)의 어드레스를 특정하여 주문 전문을 배신하고, 이 주문 전문에 대한 소정 처리 결과의 통지를 트레이딩 서버(200)로부터 수신하여 참가자 단말기(300)에 송신하는 연산 장치(104)를 구비하는 스위치(100)와, 배신된 각 주문 전문에 대한 소정의 에러 체크와, 그 결과에 따른 에러 통지 또는 주문 접수 통지의 스위치(100)에의 송신과, 정상인 각 주문 전문에 관한 약정 처리와, 약정 처리에 따른 약정 통지의 스위치(100)에의 송신을 실행하는 연산 장치(204)를 구비하는 트레이딩 서버(200)로 구성한다.
Patent KR-20160129882-A (KR)
Inventor: HARTWICH FLORIAN
IPC: H04L12/40
Filed: 2015-02-27
Abstract: 본 발명은 버스 시스템(1)용 가입자국(10; 30), 그리고 버스 시스템(1)에서 송신 품질을 개선하기 위한 방법에 관한 것이다.  가입자국(10; 30)은, 버스 시스템(1)의 버스(40)에 대한 가입자국(10, 20, 30)의 충돌없는 배타적 액세스가 적어도 일시적으로 보장되는 버스 시스템(1)을 통해, 버스 시스템(1)의 하나 이상의 다른 가입자국으로/가입자국으로부터 메시지(45; 46; 47)를 송신하거나 수신하기 위한 송/수신 장치(12)를 포함하고, 송/수신 장치(12)는, 이 송/수신 장치(12)로부터 송신될 송신 신호의 송신 신호 처리를 위한 송신 신호 처리 장치(123)를 가지며, 상기 송신 신호 처리 장치(123)는 메시지(45; 46; 47)를 위한 내부 송신 신호를 발생시켜 송신 신호의 비트들의 미리 결정된 비트 대칭성을 조정하도록 형성되며, 상기 내부 송신 신호에서 비트들의 우성 위상은 단축되고 비트들의 열성 위상은 연장된다.
Patent KR-20170030076-A (KR)
Inventor: ODA DAIZO
IPC: H01L23/00
Filed: 2015-09-17
Abstract: 표면에 Pd 피복층을 갖는 Cu 본딩 와이어에 있어서, 고온 고습 환경에서의 볼 접합부의 접합 신뢰성을 개선하고, 차량 탑재용 디바이스에 적합한 본딩 와이어를 제공한다.  Cu 합금 코어재와, 상기 Cu 합금 코어재의 표면에 형성된 Pd 피복층을 갖는 반도체 장치용 본딩 와이어에 있어서, 본딩 와이어가 Ga, Ge을 합계로 0.011 내지 1.2질량％ 포함한다.  이에 의해, 고온 고습 환경 하에서의 볼 접합부의 접합 수명을 향상시켜, 접합 신뢰성을 개선할 수 있다.  Pd 피복층의 두께가 0.015 내지 0.150㎛이면 바람직하다.  본딩 와이어가 Ni, Ir, Pt의 1종 이상을 각각 0.011 내지 1.2질량％ 더 함유하면, 175℃ 이상의 고온 환경에서의 볼 접합부 신뢰성을 향상시킬 수 있다.  또한, Pd 피복층의 표면에 Au과 Pd을 더 포함하는 합금 표피층을 형성하면 웨지 접합성이 개선된다.
Patent KR-20170003563-A (KR)
Title: 연골형성을 유도하기 위한 화합물 및 조성물
Inventor: CHOI HA SOON
IPC: A61K31/4155
Filed: 2015-05-12
Abstract: 본 발명은 화학식 I의 화합물 또는 그의 제약상 허용되는 염, 호변이성질체 또는 입체이성질체를 제공한다.  본 발명은 이러한 화합물을 포함하는 제약 조성물, 및 포유동물에서 관절 손상 또는 관절 상해를 치료하기 위해 및 중간엽 줄기 세포의 연골세포로의 분화를 유도하기 위해 이러한 화합물을 사용하는 방법을 추가로 제공한다. 
<화학식 I> 
   
여기서 변수는 본원에 정의된 바와 같다.
Patent KR-20160146845-A (KR)
Title: 상이한 시퀀스들에서 동작될 수 있는 복수의 충전 코일들을 포함하는 차량들에 대한 유도성 전력 공급
Inventor: KEELING NICHOLAS ATHOL
IPC: B60L11/18
Filed: 2015-04-01
Abstract: 동적 무선 충전 시스템들은 동적 무선 충전 시스템이 설치된 거리를 따라 조화된 연속 전력 전송들을 이동 수신기에 제공하도록 다수의 충전 베이스 패드들을 조화시키는 것을 수반할 수도 있다.     충전 베이스 패드들의 레이아웃 및 설계, 충전 베이스 패드들을 통한 전류 흐름, 및 구현된 베이스 패드 활성화 및 전류 흐름의 시퀀싱은 이러한 동적 시스템들의 실현가능성 및 전력 전송들에 극적으로 영향을 미칠 수도 있다.     이들 코일들의 제어 및 시퀀싱은 최소 인프라스트럭처로 개별 코일들을 관리하는 것이 가능할 뿐만 아니라 요구된 전력을 전력 그리드로부터 이들 패드들로 효율적으로 그리고 안전하게 분배하는 것이 가능할 필요가 있을 수도 있고, 충전 베이스 패드들, 베이스 패드들로의 전력 흐름, 베이스 패드들의 활성화, 및 베이스 패드들 내의 전류 흐름 방향을 제어하기 위한 제어기들을 포함할 수도 있다.
Patent KR-20170002473-A (KR)
Title: 개선된 7xx 알루미늄 주조 합금, 및 이의 제조 방법
Inventor: YAN XINYAN
IPC: C22C21/10
Filed: 2015-04-23
Abstract: 새로운 7xx 알루미늄 주조 합금이 개시된다.  알루미늄 주조 합금은 일반적으로 3.0 내지 8.0 중량%의 Zn, 1.0 내지 3.0 중량%의 Mg(이때, Zn의 중량%는 Mg의 중량%를 초과함), 0.35 내지 1.0 중량%의 Cu(이때, Mg의 중량%는 Cu의 중량%를 초과함), 0.05 내지 0.30 중량%의 V, 0.01 내지 1.0 중량%의 하나 이상의 부수적인 원소(Mn, Cr, Zr, Ti, B, 및 이들의 조합), 0.50 중량% 이하의 Fe, 및 0.25 중량% 이하의 Si, 및 알루미늄 및 기타 원소인 잔부를 포함하며, 알루미늄 주조 합금은 0.05 중량% 이하의 각각의 기타 원소를 포함하고, 알루미늄 주조 합금은 0.15 중량% 이하의 기타 원소의 총계를 포함한다.
Patent KR-20160146972-A (KR)
Inventor: KWA SEH W
IPC: G09G5/18
Filed: 2015-06-25
Abstract: 픽셀 데이터의 프레임은 실제 이미지의 업데이트 레이트가 프레임 레이트보다 낮을 때 더 낮은 유효 리프레시 레이트를 생성하도록 더 높은 프레임 레이트로 버스트될 수 있다. 이렇게 수행한 결과로서 디스플레이에서 시작된 반복적 메모리 트래픽을 줄여 전력을 보존하면서, 디스플레이 엔진의 송신 부분과 패널 전자장치의 수신 부분을 전력 관리하는 능력을 만들어 낸다.
Patent KR-20170012277-A (KR)
Title: 플라스틱용 난연제, 플라스틱용 안정제, 플라스틱용 유동성 개질제, 중합 및 그라프트 프로세스의 개시제 및 가교화제 또는 결합제로서의 옥시이미드 함유 코폴리머 또는 폴리머의 용도 및 상기 코폴리머 또는 폴리머를 함유하는 플라스틱 성형 화합물
Inventor: PFAENDNER RUDOLF
IPC: C08F8/32
Filed: 2015-04-16
Abstract: 본 발명은 플라스틱 물질용 난연제, 플라스틱 물질용 안정제, 플라스틱 물질용 유동성 개질제(rheology modifiers)로서 및 중합(polymerisation) 및 그라프팅 프로세스(grafting processes)용 개시제(initiators) 및/또는 가교화제 또는 결합제로서의 옥시이미드 함유 코폴리머 또는 폴리머의 용도에 관한 것이다. 또한, 본 발명은 옥시이미드-함유 코폴리머 또는 폴리머를 포함하는 플라스틱 물질 성형 화합물에 관한 것이다.
Patent KR-20170005151-A (KR)
Title: 윤활유 조성물
Inventor: MATSUMOTO TOMONARI
IPC: C10M105/48
Filed: 2010-12-10
Abstract: 본 발명의 윤활유 조성물은, 윤활유 기유와, 윤활유 조성물 전량 기준으로, 5 내지 5000질량ppm의 3,4,5-트리하이드록시벤조산의 에스테르와, 0.001 내지 10.0질량%의 인 화합물을 함유한다.  본 발명의 윤활유 조성물은, 마모를 현저하게 저감시키고, 또한 마찰 계수도 낮고 안정된 특성을 나타내는 동시에, 철계 섭동부에 있어서 높은 방청 효과를 가진다.  따라서, 본 발명의 윤활유 조성물은, 장기간의 사용에 적합하며, 또한 낮고 안정된 마찰 계수의 특성으로부터 에너지 절약에도 현저한 효과를 나타낸다.
Patent KR-20180081246-A (KR)
Inventor: YOON JONG KEON
IPC: H01M10/6554
Filed: 2017-01-06
Abstract: The present invention relates to a battery cell comprising: an electrode assembly having a positive electrode/separator/negative electrode structure; and a battery case made of a laminate sheet having an outer periphery thermally fused with the electrode assembly mounted on an accommodation portion, wherein at least one electrode constituting the electrode assembly has an uncoated portion formed on a current collector, extending to an end of the outer periphery of the battery case in at least one of directions in which an electrode tab is not formed. The extending uncoated portion is thermally fused together with the outer periphery of the battery case, and a sealing portion on the outer periphery of the battery case, which is thermally fused with the extending uncoated portion interposed therebetween, is coupled to a C-shaped molding clamp having a structure capable of removing heat transferred from the extending uncoated portion by heat conduction.
Patent KR-20180082756-A (KR)
Inventor: LEE HYUN CHUN
IPC: A61M5/158
Filed: 2017-01-11
Abstract: The present invention relates to a liquid injection device for skin, which easily form a hole on a skin in a predetermined arrangement form in order to inject liquid for treatment in an accurate position of the skin to be treated by using a needle, such that a smooth skin treatment operation is performed by performing injection of liquid for treatment to the skin in a short time, and treatment for the skin of various forms such as a narrow or long width of a skin treatment range can be performed. Also, the liquid injection device for skin of the present invention includes a vacuum relief hole to prevent liquid from flowing backward to upper portions of a needle unit and a needle driver, and has a spring and a buffer pad provided on a shaft to reduce noise during reciprocation. The liquid injection device for skin of the present invention comprises: a needle driver (100) including a driving unit (110) embedded with a cam for reciprocating an operating shaft and an operating unit (150) having the operating shaft for sliding a needle provided in a needle body; and a needle unit (500) embedded with the needle slid by the operating shaft of needle driver for reciprocating. The driving unit (110) includes: a motor (111) embedded in an inner portion, and driving the cam (113); and a cam (113) rotated by the motor, and reciprocating the operating shaft. A buffer pad (113-1) is provided at one end of the cam to reduce noise generated when driving the operating shaft.
Patent KR-20180083720-A (KR)
Inventor: LEE KYUNG ROK
IPC: A61K8/97
Filed: 2017-01-13
Abstract: Provided is an aromatic composition for diversion, which contains the following ingredients as active ingredients: an extract mixture composed of a Lactobacillus spp. fermented extract and a walnut extract; and almond oil, pyridoxine hydrochloride, and bergamot essential oil.
Patent KR-20180092749-A (KR)
Title: Manufacturing method for malodorous material treating filter and malodorous material treating filter manufactured thereby
Inventor: JO HAN JAE
IPC: B01D46/00
Filed: 2017-02-10
Abstract: Provided is a method for producing a filter for treating a malodorous substance, capable of effectively treating the malodorous substance. Moreover, provided is a filter for treating the malodorous substance produced thereby. The method for producing the filter for treating the malodorous substance comprises the following steps: preparing a porous filter body having a plurality of pores and having elasticity; applying an adhesive material having adhesive force to the filter body; bringing the filter body coated with the adhesive material in contact with a solid treatment material for treating the malodorous substance; applying pressure to a filter body applied with the adhesive material and in contact with the treatment material to induce a first physical change in the filter body; and removing pressure from the filter body to which the first physical change is induced, so as to induce a second physical change in the filter body by restoring force.
Patent KR-20180094315-A (KR)
Title: INTEGRATED SYSTEM FOR MONITORING β-RAYS ON UNDERWATER FIELD AND METHOD THEREOF
Inventor: KIM HEE REYOUNG
IPC: G01T7/02
Filed: 2017-02-15
Abstract: The present invention relates to an integrated beta-ray monitoring system on an underwater site and a method thereof. According to the present invention, the integrated beta-ray monitoring system on an underwater site comprises: a preprocessing module using a liquid sampling hose and a liquid suction pump to collect contaminated water, passing the contaminated water through a contamination removing filter to remove a contaminant, inputting the contaminated water from which the contaminant is removed in an electrolysis cell to generate hydrogen gas through electrolysis so as to discharge the hydrogen gas to a gas passage; and a detection module collecting the hydrogen gas generated from the preprocessing module through the gas passage, and using a plurality of photomultiplier tubes (PMT) and a pair of plastic scintillators installed on both sides of the gas passage to detect beta-rays irradiated from tritium included in the hydrogen gas. Accordingly, only the tritium included in the contaminated water to be measured is extracted by the electrolysis and directly flows to a plastic scintillator based detection unit, which is almost not damaged even if water is directly touched, to minimize an undefined effect, thereby increasing detection capability. Moreover, an ultralow energy beta-ray, such as the tritium, is measured on a site in real-time, and the system is able to be effectively used in environmental radiation monitoring and recovery fields of a dismantled nuclear power plant site.
Patent KR-20180097808-A (KR)
Inventor: LEE HYEON BUM
IPC: H01L27/32
Filed: 2017-02-23
Abstract: Embodiments of the present invention provide a display device and a manufacturing method thereof. The display device includes a substrate, a pattern layer, a shielding layer, a first electrode, a second electrode, electroluminescent layers, a first insulating layer, and a color filter. The pattern layer disposed on the substrate includes first body units and first opening units between the first body units. The shielding layer disposed on the pattern layer includes second body units and second opening units between the second body units. The first electrode is disposed on the substrate, wherein the first and second opening units overlap at the first electrode. The second electrode overlaps at the first electrode. The electroluminescent layers are disposed between the first and second electrodes. The first insulating layer is disposed on the second electrode. The color filter is disposed on the first insulating layer. The electroluminescent layers are disposed at least in the first opening unit, and the first insulating layer and the color filter are disposed at least in the second opening unit.
Patent KR-20180098022-A (KR)
Inventor: HWANG TAEK SUNG
IPC: B01D46/00
Filed: 2017-02-24
Abstract: The present invention relates to an ion exchange scrubber apparatus for selective removal of a trace amount of chemical gases. A cylindrical or roll-shaped chemical filter having an ion exchange capacity is coupled to the inside of blades of an impeller forming a centrifugal blower. A simple and compact structure can selectively purify the atmosphere by removing a trace amount of chemical gases, which are gaseous contaminants contained in the air. A regeneration liquid is accommodated in a lower part of the inside of a housing of the centrifugal blower so that the chemical filter coupled to the impeller rotates together with the impeller. Thus, the chemical filter is periodically brought into contact with the regeneration liquid and regenerated, thereby extending the service life of the chemical filter.
Patent KR-20180099125-A (KR)
Title: Waterproofing structure and method for waterproofing between the wall and the pipe
Inventor: KANG JI HUN
IPC: F16L5/10
Filed: 2017-02-28
Abstract: The present invention relates to a waterproof structure of a pipe inlet part of a wall, which seals and waterproofs an annular space between the pipe inlet part of a wall and a pipe, and a waterproofing method. According to the present invention, the waterproof structure comprises: an outer pipe (100) installed on a wall (1) and having a through-hole formed therein; an inner pipe (200) having a smaller outer diameter than the inner diameter of the outer pipe (100), and arranged in the through-hole of the outer pipe (100); a packing (400) made of an elastic material formed in a ring shape, having a plurality of axial through-holes (410) formed therein, and arranged between the outer circumferential surface of the inner pipe (200) and the inner circumferential surface of the outer pipe (100); and a pressing means (300) axially pressing and radially expanding the packing (400) arranged between the outer circumferential surface of the inner pipe (200) and the inner circumferential surface of the outer pipe (100) to closely adhere the inner circumferential surface of the packing (400) to the outer circumferential surface of the inner pipe (200) and closely adhere the outer circumferential surface of the packing to the inner circumferential surface of the inner pipe (100).
Patent KR-20170102437-A (KR)
Title: High voltage generation circuit
Inventor: NAOTO SASADA
IPC: H01T19/04
Filed: 2017-02-28
Abstract: A high voltage generating circuit (10) includes an AC power source (12), a positive polarity high voltage generating circuit (14), and a negative polarity high voltage generating circuit (16). A phase converter (18) for converting the phase of an AC voltage supplied from the AC power source (12) is disposed between the AC power source (12) and the positive polarity high voltage generating circuit (14), or between the AC power source (12) and the negative polarity high voltage generating circuit (16). Therefore, the present invention can generate positive polarity and negative polarity high voltages using a simple configuration.
Patent KR-20180101837-A (KR)
Inventor: BYUN SUNG HOON
IPC: H02M1/36
Filed: 2017-03-06
Abstract: Disclosed is an inverter control apparatus which can be stably started by ameliorating a starting torque shortage. The apparatus of the present invention comprises: a command voltage determination unit for determining a predetermined first compensation voltage as a command voltage, and providing the command voltage to an inverter at an initial startup; a conversion unit for converting an output current of the inverter into a q-axis current on a synchronous coordinate system; and a compensation voltage determination unit for determining a second compensation voltage from the q-axis current, and providing the compensation voltage to the command voltage determination unit.
Patent KR-20180102859-A (KR)
Inventor: KIM DONG SEOK
IPC: B64C25/00
Filed: 2017-03-08
Abstract: The present invention relates to a controller for checking and controlling attachment and detachment of an aircraft mooring (cycle) safety device using internet of things (IoT). The aircraft ground mooring (cycle) device enables detachment of a mooring device to be stably and rapidly detected by using the IoT and enables the detachment of the mooring device to be controlled so that rapid and stable response can be provided.
Patent KR-20180104216-A (KR)
Inventor: SON BYOUNG GUK
IPC: H01L21/683
Filed: 2017-03-09
Abstract: A substrate processing apparatus according to an embodiment of the present invention comprises: a process chamber having a reaction space therein; a gas injector including a plurality of gas injection units for injecting a plurality of process gases into the process chamber; a susceptor rotationally installed in the process chamber, including a plurality of substrate seats on which a plurality of substrates are seated; a first heater unit disposed at a lower portion of the reaction space and generating heat by receiving power from the outside; and a second heater unit disposed above the first heater unit to form a space between the susceptor and the first heater unit and heating the susceptor by absorbing radiant energy emitted from the first heater unit.
Patent KR-20180105351-A (KR)
Title: Transmission Service Apparatus Of Customized Advertisement Image And Method Of Thereof
Inventor: CHO JUNG HYUN
IPC: H04N21/24
Filed: 2017-03-15
Abstract: Disclosed are a customized advertisement video transmission service apparatus and an operation method thereof. The operation method according to an embodiment of the present invention comprises the steps of: receiving image data from a terminal in an edge server adjacent to the terminal; extracting image information of the image data to classify an upload speed; controlling the transmission amount of the image data according to the upload speed to transmit the image data to a central server; extracting an advertisement from the image data in the central server; and storing an advertisement cache in the edge server.
Patent KR-20180105961-A (KR)
Inventor: KIM KI MAN
IPC: H01F7/02
Filed: 2017-03-16
Abstract: The present invention relates to a motor with a permanent magnet and a compressor having the same. The motor with a permanent magnet comprises: a stator; and a rotor arranged to be able to rotate while having a preset air gap for the stator. The rotor includes: a rotary shaft; a cylindrical permanent magnet concentrically arranged with the rotary shaft, forming a magnetic field on a side facing the air gap, and magnetized through polar anisotropy not to form the magnetic field on the opposite side of the air gap; and a permanent magnet support means supporting the permanent magnet, formed not to form a magnetic path of the permanent magnet, and connecting rotary shaft and the permanent magnet. Therefore, the mass of the rotor is reduced, thereby restraining vibration and noises from occurring.
Patent KR-20170108884-A (KR)
Title: Alert assistance for survey mode ultrasound imaging
Inventor: MILKOWSKI ANDRZEJ
IPC: A61B8/00
Filed: 2017-03-17
Abstract: For an alert assistance to an ultrasound scanner, computer-assisted detection is applied when a patient is scanned. Any detected objects may be notified to a user. The user may collect more information if it is appropriate. An automated system may be configured to return to scan the detected objects. Information is collected as part of a workflow for a given examination of the patient based on detection. From extrinsic information, the mechanical properties of an object are derived; thereby resulting in additional information which can be used to avoid return visit and/or increase sensitivity in scan mode scans.
Patent KR-20180113808-A (KR)
Inventor: KIM TAE JONG
IPC: C12N15/10
Filed: 2017-04-07
Abstract: The present invention relates to a method for isolating wood DNA. To this end, wood flour is prepared by using sandpaper. According to the present invention, it is possible to efficiently isolate wood DNA when the prepared wood flour is hydrated with a solvent.
Patent KR-20180117903-A (KR)
Inventor: KIM YOUNG HO
IPC: G06K9/00
Filed: 2017-04-20
Abstract: The present invention relates to a fingerprint sensor package capable of improving fingerprint recognition performance and a manufacturing method thereof. More specifically, the fingerprint sensor package comprises: a circuit board; a fingerprint sensor wafer stacked on the circuit board and electrically connected to the circuit board; a spacer formed on the outside of the upper surface of the circuit board to protect the fingerprint sensor wafer; a sealing unit formed on the upper surface of the circuit board to seal the fingerprint sensor wafer; an IR cutoff filter stacked on top of the sealing unit; and a lens stacked on top of the IR cutoff filter. The upper surface of the spacer and the upper surface of the sealing unit are located at the same height.
Patent KR-20180119455-A (KR)
Inventor: YUK SANG JO
IPC: G09F19/12
Filed: 2017-04-25
Abstract: The present invention relates to a drone for advertisement and, more specifically, to a drone for advertisement, allowing an advertisement image to be freely and stably viewed at low costs. The drone for advertisement comprises: a drone (10) including a plurality of propellers constituting a pair and maintaining a stopping state or a flying state in the air; a controller (20) controlling a hologram playing device based on stored advertisement data to enable the same to generate a hologram; an advertisement storage unit (30) storing advertisement data; and a hologram playing device (40) irradiating light in accordance with indication of the controller (20) and generating a specific image by using a voxel formed by light emitted while ionizing air molecule into a plasma state.
Patent KR-20170057863-A (KR)
Inventor: KIM YE EUN
IPC: G06F3/023
Filed: 2017-05-07
Abstract: The present invention relates to a computer keyboard. In the conventional standardized keyboard, there are a large number of typographical errors due to the necessity of pressing a shift key in order to input double consonants and some diphthongs. The present invention provides a keyboard capable of inputting characters with one touch without the typographical errors by dividing the key in which the double constants, the diphthongs, specific characters, etc. without touching the arrangement of a standard keyboard. A Korean alphabet input device according to the present invention includes the keyboard which includes a plurality of keys. Each key includes a pressing recognition means which senses the pressure of a finger. The pressing recognition means includes an additional contact point to transmit input information to an information processing unit.
Patent KR-20180124257-A (KR)
Title: Double side polishing apparatus of the wafer
Inventor: HWANG KYONG SOO
IPC: H01L21/02
Filed: 2017-05-11
Abstract: The present invention relates to a double side polishing apparatus for a wafer, capable of fixing a top platen at a predetermined height of a drum in a dressing process. The present invention provides the double side polishing apparatus for a wafer, including: the shaft-shaped drum which is rotatably installed; the top platen coupled to the outer circumference of the drum and installed to be rotatable with the drum; first and second grooves vertically penetrating in a vertical direction in a position facing each other on the outer circumference of the drum and including an asymmetrical shape; and first and second protrusions protruding in a position facing each other on the inner circumference of the top platen including an asymmetrical shape to be vertically movable in a vertical direction along the first and second grooves. If the top platen is held on the drum by rotating the top platen at a predetermined angle in the dressing process, the first protrusion is located over a predetermined height inside the second groove and the second protrusion is located over a predetermined height inside the first groove.