baber/WOPTO huggingface dataset:
Patent KR-20220105443-A (KR)
Title: Lubrication-free bearing
Inventor: JUNG JUNG OK
IPC: F16C33/41
Filed: 2021-01-20
Abstract: The present invention provides a lubrication-free bearing comprising: an inner ring (100) formed of metal, and having a first raceway groove formed on the outer circumferential surface thereof in a circumferential direction; an outer ring (200) formed of metal, and having a second raceway groove formed on the inner circumferential surface thereof in a circumferential direction; a plurality of metal balls (300) disposed between the first raceway groove of the inner ring and the second raceway groove of the outer ring; and a cage (400) for ball bearings, formed of polytetrafluoroethylene (PTFE), inserted between the inner ring (100) and the outer ring (200), and provided to maintain the distance between the cage and the balls (300). In addition, the cage (400) for ball bearings includes: a ring-shaped body (410); a plurality of support parts (420) which protrude from the body (410) in an axial direction, and are spaced from each other in a circumferential direction; a first pocket part (430) which is provided between the support part (420) and another support part (420) adjacent to the same to insert one ball therebetween; and a second pocket part (440) which is provided between the support part (420) and another support part (420) adjacent to the same to insert two balls, and has a graphite spacer (500) disposed between the inserted balls to lubricate the balls coming in contact with the graphite spacer. Therefore, the graphite spacer with excellent lubrication and heat resistance can be provided between the balls inserted into the cage so that the lubrication-free bearing can be provided.
Patent KR-20220109168-A (KR)
Title: System, server and method of payment delegation
Inventor: JU SHINTAK
IPC: G06Q20/02
Filed: 2021-01-28
Abstract: The present invention relates to a payment delegation system, capable of allowing a user to delegate payment for a product to another user when ordering the product online, thereby making the other user pay for the product to be ordered on behalf of the user, a payment delegation server and a method thereof. In accordance with an embodiment of the present invention, the payment delegation server performing a control operation such that payment for a product can be delegated, includes: a memory storing at least one instruction for making payment in accordance with a payment delegation request; and a processor executing the at least one instruction stored in the memory. The processor encrypts a provisional order number and a payer phone number included in a payment request message received from a shopping mall server to issue a security key; generates a payment request notification message including the security key; transmits the generated payment request notification message to a terminal of a payer; extracts the security key from a payment page request message received from the payer terminal; decrypts the extracted security key to extract the provisional order number and the payer phone number; transmits the extracted provisional order number and the payer phone number to the shopping mall server; and transmits a payment page received from the shopping mall server to the payer terminal.
Patent KR-20220112096-A (KR)
Inventor: HWANG HYUN CHUL
IPC: H03K3/037
Filed: 2021-02-03
Abstract: A low-power flip-flop is disclosed. A flip-flop for receiving a data input signal and generating an output signal and an inverted output signal in response to a clock signal according to one aspect of the technical idea of the present disclosure includes first to fourth signal generating circuits and an inverter. The first signal generating circuit receives the clock signal, the data input signal, and a first internal signal that is an output of the second signal generating circuit and generates a second internal signal. The inverter receives the first internal signal and generates an inverted first internal signal. The second signal generating circuit receives the first internal signal and the output signal, which is an output of the third signal generating circuit and generates the inverted output signal. The third signal generating circuit receives the clock signal and the inverted output signal and generates the output signal. The fourth signal generating circuit receives the inverted first internal signal, the second internal signal and the clock signal and generates the first internal signal. Power consumption is minimized.
Patent KR-20210103952-A (KR)
Inventor: BRAHMI NADIA
IPC: H04W72/12
Filed: 2021-02-04
Abstract: A method for operating a transmitting radio device in a wireless communication network is provided. The method includes the steps of: (102) transmitting first data according to a first transmission mode toward a receiving radio device; (104) determining a last reception time when an affirmative acknowledgment was received from the receiving radio device, wherein the positive acknowledgment indicates successful reception of the transmitted first data on a receiving radio device side; and (106) transmitting second data according to a second transmission mode toward the receiving radio device, wherein the second transmission mode is activated upon expiration of the first transmission mode period after the determined last reception time.
Patent KR-20220114960-A (KR)
Title: Secondary side monitoring apparatus of wound-rotor induction motor
Inventor: KIM HONG SEOG
IPC: G06F3/0489
Filed: 2021-02-09
Abstract: The present invention relates to a secondary side monitoring device of a winding-type induction motor, which determines phase-specific imbalance error by detecting phase-to-phase voltage/current imbalance in a secondary side of the winding-type induction motor, and protects the winding-type induction motor through a protection device of a primary side induction motor when an abnormality occurs on the secondary side. The secondary side monitoring device of a winding-type induction motor comprises: a motor driving and protection device protecting a primary side of the winding-type induction motor; and an induction motor protecting unit detecting voltage/current on a secondary side of the winding-type induction motor, determining the presence or absence of an abnormality in the secondary side of the winding-type induction motor based on the voltage difference, current difference, voltage ratio, and a current ratio of the detected voltage/current, and generating a trip in the motor driving and protection device when the abnormality occurs in the secondary side of the winding-type induction motor to protect the winding-type induction motor.
Patent KR-20220117979-A (KR)
Inventor: HONG SEUNG CHEOL
IPC: H04N5/77
Filed: 2021-02-18
Abstract: The present invention relates to a vehicle skid mark CCTV intensive recording method, comprising: a general recording mode step of video recording a monitoring target with a CCTV; an intensive recording mode step of switching the CCTV to an intensive recording mode when the monitoring target behavior of the recorded video matches a behavioral pattern of generating skid marks of a vehicle determined in a saving unit; an operation step of intensively capturing images by directing the CCTV toward the monitoring target; and a saving step of saving the intensively recorded video data. During the intensive imaging, the vehicle skid mark, which is a monitoring target, that invades the center line of the road together with the monitoring vehicle is also intensively imaged. According to the present invention, the monitoring target performing a specific action that generates a vehicle skid mark and the skid marks are identified, and the CCTV intensively captures the same. Thus, in case of a future search, it is possible to secure clear evidence, and it is easy and quick to track a suspect.
Patent KR-20220120224-A (KR)
Title: System for displaying reservation information
Inventor: YOO JUNG HO
IPC: G06Q10/10
Filed: 2021-02-23
Abstract: According to an embodiment of the present invention, a system for displaying reservation information comprises: a reservation device for transmitting reservation information including subscriber information, reservation service information, and payment information; a server for generating video setting information based on the reservation information, and transmitting the reservation information and the video setting information to a wireless device corresponding to the reservation information; a wireless device for generating reservation reception video data based on the reservation information and the video setting information upon receiving the reservation information and the video setting information, and transmitting the reservation reception video data; and a display device for receiving the reservation reception video data and displaying a reservation reception video based on the reservation reception video data. Therefore, the system can display the reservation information in real time via the display device in a video, so that a store operator can quickly and efficiently check the reservation information.
Patent KR-20220122888-A (KR)
Title: Method and system for providing remote solution based on user health
Inventor: YOON MYUNG CHEOL
IPC: G16H10/60
Filed: 2021-02-26
Abstract: The present invention relates to a method and system for providing a remote solution based on user health management. According to one embodiment of the present invention, the method and system for providing a remote solution receive past health information on a user, receive condition information related to current health information on the user from a user terminal, determine a current health condition of the user based on the health information and the condition information, determine a health solution related to the health of the user in response to the determined current health condition of the user, transmit the health solution through the user terminal or an image output terminal located at home of the user, receive information on reactions of the user for the health solution, and evaluate reactions of the user for an image related to the health solution. The present invention can manage personal health conditions more carefully.
Patent KR-20220126560-A (KR)
Title: Apparatus for extracting object based on multi threshold and method thereof
Inventor: JUNG KYEONG HOON
IPC: G06K9/00
Filed: 2021-03-09
Abstract: The present invention relates to an object extraction device based on a double threshold range and a method thereof. According to one embodiment, the object extraction device includes: an image receiving unit receiving an image including a target object; a threshold range calculation unit calculating a first threshold range corresponding to the received image and a second threshold range having a range wider than the first threshold range; and an adjacency analyzing unit generating a first result image by applying a first threshold range to the received image, generating a second result image by applying a second threshold range to the received image, and generating an object image corresponding to a target object through adjacency analysis between the generated first result image and the generated second result image.
Patent KR-20220128084-A (KR)
Title: Gusset bag
Inventor: LEE SUNG GYE
IPC: B31B70/60
Filed: 2021-03-12
Abstract: The present invention is to provide a gusset bag capable of effectively distributing the internal pressure and preventing the adhesion from weakening. An embodiment provides a gusset bag comprising: first and second cover sheets which are arranged to face each other; a first intermediate sheet which seals first ends of the first and second cover sheets; and a second intermediate sheet which seals second ends facing the first ends of the first and second cover sheets, wherein the lower ends of the first and second cover sheets are directly sealed in the middle area, the first and second cover sheets are each sealed with the first intermediate sheet in a first area at the lower ends close to the first ends, and the first and second cover sheets are each sealed with the second intermediate sheet in a second area at the lower ends close to the second ends.
Patent KR-20220132115-A (KR)
Title: Mobility-data measuring tool
Inventor: KIM HWAL
IPC: A61C8/00
Filed: 2021-03-23
Abstract: A mobility measuring tool according to the present invention comprises: a first probe which is in contact with an implant, and receives a physical quantity of repulsion from the implant by physically vibrating the implant so as to apply a percussion method to the implant; a second probe which is not in contact with the implant, and receives a repulsive electrical signal from the implant by electrically vibrating the implant so as to apply a magnetic resonant frequency analysis method to the implant; and a probe core which electrically controls the first probe and the second probe to receive the physical quantity of repulsion from the first probe or the repulsive electrical signal from the second probe to measure the mobility of the implant. The mobility measuring tool of the present invention is to quickly adopt a percussion method to replace a magnetic resonant frequency analysis method by adding or subtracting a value difference to numerical data of the percussion method after the installation of artificial tooth.
Patent KR-20210040300-A (KR)
Title: Image recognition method and apparatus, device, computer storage medium, and computer program
Inventor: GUO ZHIZHI
IPC: G06K9/34
Filed: 2021-03-24
Abstract: The present invention discloses an image recognition method, and relates to the field of artificial intelligence, and more particularly, to the field of image processing. A specific technical solution is to: perform facial recognition on a pre-processed face image and tag the position of facial five tubes in the face image to obtain a tagged face image; determine the face image at multi-scale of the tagged face image, and input the multi-scale face image into the backbone network model to perform feature extraction to obtain the wrinkle feature of the face image at each scale at the multi-scale; and obtain the wrinkle recognition result of the face image by fusing the wrinkle features of each scale located in the same area of the face image. The embodiment of the present invention has a relatively high wrinkle recognition accuracy and is not easily affected by external environments such as light.
Patent KR-20210122719-A (KR)
Title: Manufacturing method and usage of conditioned media which contains highly effective exosomes secreted by umbilical cord blood stem cells at high content
Inventor: DONG YEOL LEE
IPC: A61K8/98
Filed: 2021-04-01
Abstract: The present invention relates to a method for producing a culture medium in which exosomes secreted by umbilical cord blood stem cells. The preparation method is based on culturing umbilical cord blood stem cells in a serum-free medium supplemented with GDF-11, EGF, FGF2, TFG-β1, and/or VEGF. When a culture medium produced by treating umbilical cord blood stem cells with a serum-free medium containing 5 types of growth factors and the exosomes isolated from the culture medium were treated with only a serum-free medium without growth factors. A culture medium with a high content of total protein and extracellular matrix protein in the culture medium containing growth factors is produced. In addition, exosomes secreted by umbilical cord blood stem cells cultured in a serum-free medium containing five growth factors have a high concentration, a small size, and an even distribution. The umbilical cord blood stem cell culture medium prepared according to the present invention contains a high content of high-potency exosomes, has high skin regeneration and/or anti-inflammatory effects, and thus can be usefully used as a cosmetic composition for skin application requiring skin penetration and a pharmaceutical composition for wound treatment.
Patent KR-20220140905-A (KR)
Inventor: OH KWANYOUNG
IPC: H01L27/146
Filed: 2021-04-09
Abstract: The present invention relates to an image sensor that can improve routing flexibility. More specifically, the image sensor includes a circuit chip, and a sensor chip stacked on the circuit chip and electrically connected to the circuit chip. The sensor chip includes: a first substrate including a first surface and a second surface opposite to the first surface; and a separation pattern penetrating the first substrate, and defining first to fourth pixel regions in the first substrate, wherein each of the first to fourth pixel regions includes a floating diffusion region, a ground region, and an active region adjacent to the second surface. The sensor chip also includes a microlens layer provided on the first surface of the first substrate, a first wiring layer provided on the second surface of the first substrate, and a first pad provided between the second surface of the first substrate and the first wiring layer. The first pad contacts the floating diffusion region of the first to fourth pixel regions and commonly connects the same.
Patent KR-20220141163-A (KR)
Inventor: PARK SUNG GYU
IPC: B82Y30/00
Filed: 2021-04-12
Abstract: The present invention relates to a substrate having a three-dimensional plasmonic nanocavity, and a manufacturing method thereof. The present invention relates to the substrate having a three-dimensional plasmonic nanocavity including a lateral cavity structure and a vertical cavity structure at high density, and a manufacturing method thereof. Moreover, the present invention comprises a highly dense insulation nanostructure with excellent thermal stability to emit a stable surface-enhanced Raman scattering spectrum despite radiation of a high-energy laser.
Patent KR-20220145057-A (KR)
Inventor: KIM SANG YOUN
IPC: G07C9/00
Filed: 2021-04-21
Abstract: The present invention relates to a smart door lock system and, more specifically, to a system capable of granting a logical user key for unlocking a lock device to a user instead of a physical key capable of opening and locking a lock device and remotely managing the logical user key. The present invention comprises: a lock device which is installed on a door to lock or unlock the door; a user terminal into which the personal information of a user is input and which transmits the input personal information; and a service server which stores the received personal information or lock device information of the lock device, generates a user key based on the personal information, and verifies the validity of the user key or the lock device information to generate an unlocking signal for the lock device.
Patent KR-20220147213-A (KR)
Title: Method of fabricating aluminum alloy for heat exchanger
Inventor: KIM JUNG GU
IPC: B22D21/00
Filed: 2021-04-27
Abstract: The present invention relates to a method for manufacturing an aluminum alloy for a heat exchanger. The present invention relates to a heat treatment process method, directed to an aluminum alloy material used in a heat exchanger, and for simultaneously satisfying excellent penetration corrosion resistance and mechanical properties. In more detail, the present invention proposes homogenization heat treatment conditions divided into two stages, high temperature and low temperature for uniform production of fine precipitated phases, and annealing heat treatment conditions for obtaining excellent tensile strength and elongation. The method for manufacturing an aluminum alloy for a heat exchanger includes steps of: preparing an aluminum alloy molten metal; casting the aluminum alloy molten metal; and performing heat treatment of aluminum alloy in two stages.
Patent KR-20220150008-A (KR)
Inventor: DOOHYUN KIM
IPC: B24B5/12
Filed: 2021-05-03
Abstract: A grinding machine for machining a hole of a ceramic material includes a control device controlling a spindle motor of a main spindle gripping a workpiece to allow high speed rotation and angle division (C-axis), having a tool part movable in a direction (X-axis) perpendicular to the rotational axis direction of the main spindle, movable in a direction (Z-axis) parallel with the rotational axis of the main spindle, and having a grinding whetstone mounted on the front end thereof and rotating around the Z-axis, rotating the spindle motor at a high speed or controlling an X-axis motor and a Z-axis motor of the tool part and the spindle motor by helical interpolation, and rotating the grinding whetstone at a high speed. The inner and outer circumferences including an eccentric hole of a brittle material such as a ceramic material can be machined by a single grinding machine to shorten machining time through process integration, improve machining precision, and minimize damage in the moving process of the workpiece or loss of the material caused by machining errors.
Patent KR-20220150624-A (KR)
Title: COMPOSITON FOR PREVENTING OR TREATING SGK(serum and glucocorticoid-regulated kinase) OVEREXPRESSED DISEASES COMPRISING SGK INHIBITOR
Inventor: LEE JINHO
IPC: A61P35/00
Filed: 2021-05-04
Abstract: The present invention relates to a composition comprising an inhibitor of serum and glucocorticoid-regulated kinase (SGK) for preventing or treating SGK overexpression-related diseases. More specifically, the present invention provides a pharmaceutical composition comprising a thiazolidine-2,4-dione (TZD) derivative compound or a pharmaceutically acceptable salt thereof as an active ingredient for preventing or treating SGK overexpression-related diseases or a functional health food composition including the same. The compound or a salt thereof has excellent effects of inhibiting SGK activity, so that the compound can be utilized in treating SGK overexpression-related diseases that are difficult to treat with a conventional anticancer agent.
Patent KR-20220150793-A (KR)
Title: Multipurpose bed system for patients
Inventor: KIM YONG ROK
IPC: A61G7/047
Filed: 2021-05-04
Abstract: The present invention relates to a multipurpose bed system for a patient, comprising: a frame part (100) of a bed; a mat part (200) supported by the frame part (100) and having an excrement port (201) penetrating therethrough; and a defecation device (300) provided on the lower side of the mat part (200) to collect and process feces discharged from the excrement port. The defecation device (300) includes: a toilet body (310) having a discharge hole (311) for receiving excrement discharged from the excrement port (201); and a pipe part (320) connected to communicate with the discharge hole (311) and discarding the excrement in the toilet body (310) to the outside.
Patent KR-20220153268-A (KR)
Inventor: HWANG SONJONG
IPC: G06Q50/20
Filed: 2021-05-11
Abstract: The present invention relates to an online education system centered on learner understanding and a method therefor. The online education system comprises: a problem DB storing a plurality of problems including mathematical formulas according to difficulty levels; a concept DB storing a supplementary explanation for elements necessary to solve each of the stored problems and a problem-solving process; a concept trainer presenting a problem extracted from the problem DB to a learner terminal accessible through a communication network, and presenting a supplementary explanation for elements necessary to solve the presented problem and a problem-solving process according to a request by a learner; a concept tester extracting a test problem for testing understanding of the elements necessary to solve the presented problem from the problem DB, presenting the same to the learner terminal, and checking weakness of the learner according to a feedback response; and a weakness complement trainer extracting problems necessary to supplement the weakness of the learner from the problem DB and presenting the same to the learner terminal. Accordingly, learning ability can be improved.