baber/WOPTO huggingface dataset:
Patent KR-20200135709-A (KR)
Title: Security monitoring method using multi-tone sound sources
Inventor: KANG HO PARK
IPC: G08B13/16
Filed: 2019-09-26
Abstract: The present invention relates to a security monitoring method. The security monitoring method using a multi-tone sound source having heterogeneous frequencies comprises the steps of: measuring reference sound field information for each frequency by receiving a cocktail mode multi-tone sound source output into the security monitoring space; measuring current sound field information for each frequency of the received multi-tone sound source; comparing the reference sound field information for each frequency with the current sound field information for each frequency to determine whether a sound field change has occurred; and determining an intrusion or fire situation based on a change in a correlation coefficient between the reference sound field spectrum for each frequency and the current sound field spectrum for each frequency. The present invention can provide a security monitoring method which overcomes the problem of malfunction due to external noise and cooling and heating by using the multi-tone sound source. In addition, the present invention can provide the security monitoring method capable of accurately distinguishing between a fire and an intrusion situation by using a security sensor based on sound field change detection.
Patent KR-20210040226-A (KR)
Inventor: LEE KILHO
IPC: H01L43/08
Filed: 2019-10-02
Abstract: Provided is a semiconductor device with the improved electrical properties. The semiconductor device comprises: a substrate having a first region and a second region; lower conductive patterns disposed on the substrate; a magnetic tunnel junction disposed on the lower conductive patterns in the first region of the substrate; a contact disposed between the lower conductive patterns and the magnetic tunnel junction in the first region of the substrate; a through electrode disposed on the lower conductive patterns in the second region of the substrate; and upper conductive patterns disposed on the magnetic tunnel junction and the through electrode. The contact may include a first contact disposed on the lower conductive patterns, a second contact disposed on the first contact, and a first barrier layer covering a lower surface and a side surface of the second contact.
Patent KR-20210035014-A (KR)
Title: Systems and methods for simulation of package configurations for generating cost optimized configurations
Inventor: CUI XIAOHUA
IPC: G06Q10/04
Filed: 2019-10-14
Abstract: The present invention relates to a system for optimizing a package element, which comprises: at least one nontransitory storage medium including a command; and at least one processor for executing the command for performing an operation. The operation receives past order data associated with a fulfillment center, wherein the order data includes at least one of an ordered item, package information, shipping costs, and a fill rate, generates a prediction for the order data on the basis of the past order data associated with the fulfillment center and performance data, wherein the prediction includes a plurality of dummy orders, receives a preference for reducing package costs, determines a current package element associated with the fulfillment center, optimizes the current package element to generate at least one new package element using the received preference and the generated prediction, and transmits the new package element to a remote system.
Patent KR-20210045778-A (KR)
Inventor: JUNG KYU KIM
IPC: H01L51/00
Filed: 2019-10-17
Abstract: A thermal crosslinking type hole transport material using a triarylamine core-based styrene crosslinking group for inkjet printing of the present invention includes: a unit containing a nitrogen-containing triarylamine having high hole transport ability; and a unit having a styrene crosslinking group. Therefore, it is possible to reduce the influence of the initiator and by-products by using the thermal crosslinking material, thereby preventing a decrease in the lifetime and efficiency of the device due to impurities.
Patent KR-20210047594-A (KR)
Inventor: LEE SUN HEE
IPC: A23L33/10
Filed: 2019-10-22
Abstract: The present invention relates to a composition for strengthening the skin barrier and alleviating atopic dermatitis, having hydrangenol or phyllodulcin as an active ingredient. The composition having hydrangenol or phyllodulcin or a pharmaceutically acceptable salt thereof as an active ingredient, according to one aspect, has the effect of strengthening the skin barrier and can be effectively used for preventing, alleviating, or treating atopic dermatitis.
Patent KR-20210048915-A (KR)
Title: Storage media control system and control metohd thereof
Inventor: LEE DOHAN
IPC: G06F21/71
Filed: 2019-10-24
Abstract: The present invention relates to a storage media control system capable of controlling a storage medium such as a universal serial bus (USB) storage and a control method thereof. According to the present invention, the storage medium control system comprises: a verification device receiving user information of a user, who has requested verification of a file, when a storage medium having the file stored therein is inserted, verifying the file on the basis of the user information, and generating a unique identification code corresponding to the storage medium when the verification is successful; a server generating a one-time password for the storage medium in response to receiving the identification code and the user information; and an input device outputting a lock screen restricting access to the storage medium when the storage medium is inserted and transmitting a user password to the server when the user password is received through the lock screen. When the one-time password matches with the user password, the server transmits a control message for allowing access to the storage medium to the input device.
Patent KR-20210050642-A (KR)
Title: Motor driven power steering system and control method thereof
Inventor: KIM KYU WON
IPC: B62D6/10
Filed: 2019-10-28
Abstract: The present invention relates to an electric power steering system and a control method thereof. According to the present invention, the electric power steering system comprises: a power source which generates a steering assist force for assisting the steering of a vehicle; a transmission gear which is placed between the power source and a column to transmit the steering assist force generated by the power source to the column; a coefficient estimation unit which estimates a friction coefficient of a dynamic friction model based on an actual friction torque actually generated in the transmission gear; and a status estimation unit which calculates a status variable of the dynamic friction model based on a contact surface moving speed of the transmission gear, uses the friction coefficient of the dynamic friction model estimated by the coefficient estimation unit as well as the calculated status variable, and thereby estimates an expected friction torque in accordance with the dynamic friction model. The present invention aims to provide an electric power steering system and control method thereof, which are able to update the dynamic friction model by adapting to changes in the friction coefficient.
Patent KR-20210050700-A (KR)
Title: Cable having identification tape
Inventor: HONG SUNG KYU
IPC: H01B7/00
Filed: 2019-10-29
Abstract: The present invention relates to an electric wire having an identification tape. The electric wire having an identification tape includes: a core wire having a curved outer surface by twisting a plurality of conductor wires; an identification tape wound in a spiral shape along the outer surface of a core wire in a band shape; and a hose-type covering with a transparent material while surrounding the core wire and the identification tape, and having an inner surface in which a space partially spaced apart from the outer surface of the curved core wire is formed. The present invention is very easy to identify by winding a band-shaped identification tape spirally around the core wire having a curved outer surface by twisting a plurality of conductor wires so that the identification tape can be easily found no matter what direction the user looks at. In addition, in the present invention, damage to the identification tape is prevented, so that identification is easy for a relatively long period of time.
Patent KR-20210050753-A (KR)
Title: Thermoplastic composite having excellent low temperature impact properties and flame retardancy and method for preparing the same
Inventor: KIM DEOK YUN
IPC: B29C70/88
Filed: 2019-10-29
Abstract: The present invention relates to a thermoplastic resin composite material and a method for manufacturing the same and, more particularly, to a thermoplastic resin composite material having excellent low-temperature impact properties and flame retardancy, wherein the thermoplastic copolymer resin obtained by copolymerizing an ester oligomer having a specific structure, a siloxane monomer, and a polycarbonate oligomer is impregnated into a substrate, and a method for manufacturing the same.
Patent KR-20210051033-A (KR)
Title: A method for transmitting contents of MPU transmitting device based on MMT
Inventor: SOONTAE KIM
IPC: H04N21/236
Filed: 2019-10-29
Abstract: The present invention relates to a content transmission method of a mpeg media transport (MMT)-based media processing unit (MPU) transmission device to minimize a processing time delay of content transmitted in an MMT-based ISO base media file format (ISOBMFF) standard. According to the present invention, the method comprises the following steps: classifying content into MPU metadata, movie fragment metadata, and media fragment units; removing a movie_fragment_sequence_number field value of the media fragment unit; and transmitting the media fragment unit from which the movie_fragment_sequence_number field value is removed to the receiver.
Patent KR-20210051237-A (KR)
Title: Method of preparing biodiesel according to dry condition of insect
Inventor: LEE SANG HOON
IPC: C11C1/08
Filed: 2019-10-30
Abstract: The present invention relates to a biodiesel synthesis method capable of increasing the yield of biodiesel according to insect drying conditions. The present invention can lower an acid value of insect lipids produced according to insect drying conditions, thereby providing the biodiesel synthesis method capable of using a base catalyst. The biodiesel synthesis method of the present invention uses a low acid value insect lipid and a base catalyst, so the transesterification reaction time is short, and the layer separation between biodiesel and glycerol can be easily performed.
Patent KR-20210053501-A (KR)
Title: Spilled oil collecting apparatus
Inventor: PARK KYUNG TAEK
IPC: E02B15/04
Filed: 2019-11-04
Abstract: The present invention relates to a spilled oil collection apparatus linked to an unmanned moving body to collect spilled oil and, more specifically, to a spilled oil collection apparatus linked to an unmanned moving body to collect spilled oil which uses a drone (unmanned moving body) to quickly search for spilled oil, and quickly establishes a disaster prevention plan in accordance with search information of spilled oil. To this end, the spilled oil collection apparatus linked to an unmanned moving body to collect spilled oil comprises: an unmanned moving body which generates and transmits a spilled oil search image photographed while flying a disaster prevention search area set in accordance with an ocean oil spill accident; an oil collector which separates oil and seawater by specific gravity while collecting spilled oil along a spilled oil collection route generated based on the spilled oil search image; a collected oil storage unit which is detachably coupled to and fixed on the oil collection unit, and stores oil separated by the oil collection unit; and a mother ship which establishes a disaster prevention plan based on a disaster prevention area generated based on the spilled oil search image, and generates a control command to allow the oil collector to collect spilled oil along a spilled oil collection route generated based on marine weather information, oil band pattern information, and oil collection coordinate information of the disaster prevention area.
Patent KR-20210053582-A (KR)
Title: Display apparatus
Inventor: CHOI SUK
IPC: G09F9/30
Filed: 2019-11-04
Abstract: According to an embodiment of the present invention, a display device includes: a display panel in which a plurality of light-emitting areas and a non-emission area between the plurality of light-emitting areas are defined and folded based on a folding axis; and a touch panel disposed on the display panel and including a touch line overlapping the non-emission area. When the display panel is in an unfolded state, a touch line is disposed to be more adjacent to one of the two light emitting areas facing each other with the touch line interposed therebetween. Accordingly, when the display device is folded, overlapping of the moved touch line with the light-emitting area may be minimized, thereby improving color shift phenomenon.
Patent KR-20210054234-A (KR)
Inventor: PARK SANG HUN
IPC: A23K10/30
Filed: 2019-11-05
Abstract: The present invention relates to a mixed feed manufacturing method for cutting raw or half hay into 3 to 10 cm lengths, mixing the raw or half hay with a by-product and a concentrated feed, steaming the mixture, keeping moisture at 40 to 60%, and adding probiotics for fermentation to the mixture to maintain the nutrients of the mixed feed as it is and to improve digestion. The present invention is fermented in a short time as an optimized compound feed using steam and probiotics, maintains good fermentation even during a long storage period, does not decay even when exposed to air, and maintains the original form of fermentation. When the present invention is fed to livestock, the present invention has excellent taste and digestibility as well as excellent effects such as disease reduction, odor reduction, growth promotion, etc. of livestock.
Patent KR-20200056310-A (KR)
Inventor: SHIMADA RYO
IPC: G03F7/16
Filed: 2019-11-08
Abstract: The present disclosure describes a light irradiating device of which the maintenance can be improved. A light irradiating device includes a substrate holder configured to hold a substrate; a light irradiating unit; and a power feed unit. The light irradiating unit comprises a light source configured to irradiate light to a surface of the substrate; and a first connector electrically connected with the light source. The power feed unit comprises a power supply module configured to supply a power to the light source; and a second connector electrically connected with the power supply module and configured to be connected to or disconnected from the first connector. The light irradiating unit and the power feed unit are coupled as one body as the first connector and the second connector are connected, and are separated from each other as the first connector and the second connector are disconnected from each other.
Patent KR-20210056739-A (KR)
Title: Sheet type heat pipe and manufacturing method thereof
Inventor: DAN SUNGBAEK
IPC: C23C18/12
Filed: 2019-11-11
Abstract: The present invention relates to a sheet-type heat pipe and a method for manufacturing the same. The sheet-type heat pipe comprises: a lower plate in contact with a heat source on the bottom; an upper plate that is joined airtight to a rim of the lower plate to form an inner space between the lower plate and the upper plate; a woven mesh placed on an inner surface of the lower plate; a wick disposed on an inner surface of the upper plate; and a refrigerant that is vacuum-sealed in an inner space and has heat transfer characteristics due to phase change. The present invention has an advantage of being able to manufacture a heat pipe in a form of a thin sheet while having excellent sealing power, preventing distortion of an inner space, and having a structure capable of making the refrigerant move wider and faster.
Patent KR-20210057396-A (KR)
Title: Body contact counting wearable device and relationship improvement system using the same
Inventor: LEE EUN JU
IPC: G06Q50/00
Filed: 2019-11-12
Abstract: According to an embodiment of the present invention, a relationship improvement system comprises: a first wearable device mounted on the body of a first user to count the number of times of body contact/proximity with another user; and a first user device connected to the first wearable device to count the number of times of body contact/proximity counted by the first wearable device. The number of times of body contact/proximity is the number of times of counting which is made when the first wearable device is mutually connected to at least one preset second wearable device. According to the present invention, by using a wearable device manufactured to be easily mounted without inconvenience, such as a watch, a necklace, a bracelet, a ring and the like, users may receive information for improving their relationship with each other.
Patent KR-20210057479-A (KR)
Title: Folw path conversion pump
Inventor: JUNG DO HYUN
IPC: F04D29/46
Filed: 2019-11-12
Abstract: Disclosed is a flow path conversion pump. The flow path conversion pump includes: an inflow pipe guiding the flow of water; an impeller housing with an impeller therein, and including first and second housing outlets formed side by side with a tangential direction of the rotation of the impeller in response to a direction in which the impeller is rotated; a flow path switch forming an internal space, and including a first inlet and a second inlet connected to the first housing outlet and the second housing outlet, respectively, and including a first outlet and a second outlet connected to the first and second inlets, respectively; a diaphragm placed in the internal space of the flow path switch, dividing the first and second inlets, and dividing the first and second outlets; and a motor connected with the impeller to deliver power. Therefore, the present invention is capable of preventing a continuous elastic deformation state.
Patent KR-20210064450-A (KR)
Title: Positive electrodes of lithium ion secondary battery and method of manufacturing the same
Inventor: PARK SANG MOK
IPC: H01M4/13
Filed: 2019-11-25
Abstract: In a positive electrode of a lithium ion secondary battery according to the present invention, the positive electrode is characterized in that particles of a positive electrode active material are pressed into the surface of a positive electrode current collector to a certain depth or more. The present invention can improve the power density and energy density of a battery cell.
Patent KR-20210067363-A (KR)
Title: Polycarbonate resin composition with improved heat stability and manufacturing method the same
Inventor: PARK YOUNG KWAN
IPC: C08J3/20
Filed: 2019-11-29
Abstract: The present invention relates to: a polycarbonate resin composition which has improved heat stability and yellowing resistance, and can be prepared with no modification in processing conditions and facilities in a step of introducing additives for preparing polycarbonate; and a method for preparing the composition. The polycarbonate resin composition includes polycarbonate, and an antioxidant mixture which contains a first antioxidant having a melting point of Tm_1 and a second antioxidant having a melting point of Tm_2, wherein Tm_1 and Tm_2 satisfy mathematical formula 1 of Tm_3 < Tm_2 < Tm_1, when the melting point of the antioxidant mixture is taken as Tm_3.
Patent KR-20210068731-A (KR)
Title: Diagnostic device for tunnel
Inventor: PARK KYUNG HAN
IPC: G01B11/16
Filed: 2019-12-02
Abstract: An apparatus for diagnosing an inner surface of a tunnel according to an embodiment of the present invention is an apparatus for diagnosing cracks on an inner surface of a tunnel, comprising: a frame that can be coupled to a jib; a photographing unit coupled to the frame to photograph an inner surface of a tunnel; and a contact unit coupled to the frame to protrude from the photographing unit. When the photographing unit is photographed, the contact unit may be in contact with the inner surface of the tunnel, and the photographing unit may be spaced apart from the inner surface of the tunnel.
Patent KR-20210069378-A (KR)
Title: Power semiconductor device and method of fabricating the same
Inventor: YOON HOON SANG
IPC: H01L29/66
Filed: 2019-12-03
Abstract: According to an aspect of the present invention, a power semiconductor element comprises: a semiconductor layer comprising a source region, a channel region and a drain region; a gate insulating layer on at least the channel region of the semiconductor layer; a gate electrode layer on the gate insulating layer; at least one field plate disposed on the gate electrode layer; a source electrode layer connected to the source region and the at least one field plate; and an interlayer insulating layer interposed on the semiconductor layer and the at least one field plate and comprising a first interlayer insulating layer having a first dielectric constant and a second interlayer insulating layer having a second dielectric constant greater than the first dielectric constant. Therefore, the power semiconductor element can increase withstand voltage characteristics and reliability.
Patent KR-20210070711-A (KR)
Title: Coupling structure for gas turbine and gas turbine comprising the same
Inventor: KWAK JOO HWAN
IPC: F01D5/06
Filed: 2019-12-05
Abstract: The present invention relates to a coupling structure for a gas turbine for coupling a compressor disc with a turbine disc. The coupling structure includes: a tie rod penetrating the compressor disc and the turbine disc; and a tie nut installed behind the turbine disc, and coupled with the tie rod to couple the compressor disc with the turbine disc. The turbine disc has an insertion groove formed on the inner circumference surface of an end part beside the tie nut, and the tie nut includes a nut body, and an insertion member protruding forward from the nut body, inserted into the insertion groove, and placed with the outer circumference surface spaced apart from an inner wall of the insertion groove. In accordance with the present invention, as the insertion member of the tie nut inserted into the insertion groove formed on the turbine disc is placed with the outer circumference surface spaced apart from the inner wall of the insertion groove, the coupling structure can prevent damage to a screw thread of the tie nut by evenly dispersing stress, concentrated on a part beside the front end of the screw thread of the tie nut, throughout all parts of the screw thread as well as improving the structural stability of the tie nut, and reducing time for processing a product and time for inspecting the product by minimizing a contact area between the tie nut and the turbine disc.