baber/WOPTO huggingface dataset:
Patent KR-20210050095-A (KR)
Title: Small lens system
Inventor: NOH KI YOUN
IPC: G02B9/64
Filed: 2019-10-28
Abstract: The present invention relates to a wide-angle lens system composed of the total of seven lenses and, more specifically, to a small lens system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially placed from an object side. The first lens is a meniscus lens of which the convex surface heads toward the object side. The second lens is a meniscus lens of which the convex surface heads toward the object side and which has a positive refractive power. The third lens is a lens having a positive or a negative refractive power. The fourth lens is a meniscus lens of which both surfaces are convex upward. The fifth lens is a meniscus lens of which both surfaces are convex upward. The sixth lens is a lens of which one or more surfaces are aspherical and the surface on the object side near an optical axis is convex. The seventh lens has one or more surfaces which are aspherical. On the aspherical surfaces of the seventh lens, one or more inflection points are placed. The central thickness of the first lens, which is ct1, and the outermost thickness of the effective diameter, which is et1, satisfy 1.0 < ct1/et1 < 1.8. The refractive power P1 satisfies -0.01 < P1 < 0.01. The present invention aims to provide a lens system which includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, which are placed in order from an object side along an optical axis, and more specifically to provide a small wide-angle lens system which has a proper design of refractive power and shape or the like of the lenses, is small and lightweight, corrects the distortion, and has an angle of view greater than 70 degrees.
Patent KR-20190125963-A (KR)
Inventor: JANG BYOUNGSOON
IPC: H04L29/08
Filed: 2019-10-30
Abstract: According to an embodiment of the present invention, a short-range wireless communication device comprises: an input unit for receiving media data from a user; an output unit for outputting the media data to the user; a short-range wireless communication unit connected to a terminal device through a short-range wireless communication method; an operation unit for receiving a request from the user; and a control unit for forming a first channel according to a predetermined protocol between the terminal device and the short-range wireless communication unit to control the media data to be transmitted and received through the first channel, and controlling the media data to be transmitted and received through a second channel by forming the second channel according to the protocol between the terminal device and the short-range wireless communication unit when the request is input through the operation unit.
Patent KR-20210052031-A (KR)
Title: Deep Learning based Traffic Flow Analysis Method and System
Inventor: KIM SEONG HEUM
IPC: G08G1/01
Filed: 2019-10-31
Abstract: A deep learning based traffic flow analysis method and system are provided. A traffic flow analysis method according to an embodiment of the present invention comprises the following steps: obtaining a road image; detecting and tracking an object using a deep learning model in the obtained road image; recognizing traffic information by using the deep learning model in the obtained road image; and creating a traffic event by using the object to be detected and tracked and the recognized traffic information. Accordingly, it is possible to more accurately analyze traffic flow and generate the traffic event.
Patent KR-20200063046-A (KR)
Inventor: JUNG MIN WOO
IPC: C07D403/14
Filed: 2019-11-06
Abstract: The present invention provides a novel compound and an organic light emitting device using the same. A compound represented by chemical formula 1 can be used as a material for an organic material layer of the organic light emitting device, and can improve efficiency, lower driving voltage, and/or improve lifespan characteristics in the organic light emitting device.
Patent KR-20210056052-A (KR)
Title: On-line split payment processing method
Inventor: KO JUN YONG
IPC: G06Q20/24
Filed: 2019-11-08
Abstract: The present invention relates to an online split payment processing method capable of quickly processing payments even if a plurality of payments are made individually. According to one embodiment of the present invention, the online split payment processing method comprises the following steps: generating order information for one or more items or menus from a sales terminal and registering the same in a management server; generating a main virtual key and a sub virtual key for the order information registered in the management server and disclosing both keys to the sales terminal and a purchase terminal; inquiring one or more main virtual key and sub virtual key disclosed in the management server through the purchase terminal and receiving the main virtual key and sub virtual key by selecting one of the keys; requesting payment for the main virtual key and the sub virtual key received from the purchase terminal to the management server; providing payment request information of the main virtual key and the sub virtual key requested from the purchase terminal to a financial server and allowing the financial server to approve the payment of the main virtual key and the sub virtual key requested from the management server; and providing payment-approved information to the sales terminal and the purchase terminal. The purchase terminal selects one or more main virtual keys disclosed from the management server and selects at least one sub virtual key among one or more sub virtual keys derived from the selected main virtual key, and a plurality of sub virtual keys disclosed from the management server can be divided and provided to one or more purchase terminals.
Patent KR-20210056658-A (KR)
Title: Apparatus and method for inserting forensic watermarks
Inventor: PARK BYEONG SUN
IPC: G06T1/00
Filed: 2019-11-11
Abstract: The present invention relates to an apparatus and a method for embedding forensic watermarks. The apparatus and method for embedding timely forensic watermarks according to the present invention comprises: a database unit for storing embedding information; a pre-processing unit that analyzes blocks for each content of a predetermined section in the original content and embeds watermark 0 in the same block, stores 0 contents including the generated 0 embedding contents as a 0 contents file, embeds watermark 1 and stores 1 embedding blocks as a chunk file, and stores embedding information for blocks in which watermark 0 or 1 is embedded in a database unit; and a distribution unit which extracts blocks in which the watermark 0 is embedded from the 0 content file provided from the pre-processing unit using the embedding information stored in the database unit, and replaces 1 embedding blocks of the chunk files based on the watermark information to output distribution contents displaying the watermark information. Accordingly, forensic watermarks that is robust against collusion attacks while ensuring real-time responsiveness are provided.
Patent KR-20200066182-A (KR)
Title: Energy consumption prediction apparatus and method thereof
Inventor: Sakiyama Megumi
IPC: G06Q50/06
Filed: 2019-11-18
Abstract: An object of the present invention is to provide an energy consumption predicting apparatus and a method thereof capable of predicting energy consumption of a device by using weather forecast data regardless of whether access to the Internet is made. The energy consumption predicting apparatus comprises: a weather forecast data acquiring unit (15) acquiring weather forecast data corresponding to a forecast target period in a predetermined cycle by accessing the Internet, and supplementing the acquired weather forecast data in a cycle shorter than the predetermined cycle; a weather forecast data number input unit (16) predicting and calculating weather forecast data based on the inputted weather forecast data and all types of acquired actual weather data when the weather forecast data acquiring unit (15) cannot access the Internet; and a prediction unit (17) predicting energy consumption of facility equipment (21) by using the weather forecast data supplemented by the weather forecast data acquiring unit (15) or the weather forecast data predicted and calculated by the weather forecast data number input unit (16).
Patent KR-20210029639-A (KR)
Title: Battery protection method and apparatus using integrated environment monitoring system
Inventor: SEO CHOUNG YEOL
IPC: H01M10/42
Filed: 2019-11-19
Abstract: The present invention relates to an apparatus and a method for protecting a battery. More specifically, the present invention relates to an algorithm of sensing gas leakage in an earlier stage based on permissible sensitivity and a lower limit in addition to an exponential moving average (EMA) which is calculated based on a sensor signal value measured using a gas sensor installed in a space including a battery, an exponential accumulation and warning algorithm to prevent an erroneous operation of the sensor, a method using a comparative sensor, and an apparatus and a method for protecting a battery, capable of predicting dew concentration and a moisture collection position in the space including the battery by using an environment monitoring sensor installed to monitor an environment of the battery.
Patent KR-20210060986-A (KR)
Inventor: JONG SEOK LEE
IPC: G06F3/01
Filed: 2019-11-19
Abstract: According to one embodiment of the present invention, a user motion recognition system includes: an encoder including a signal input part receiving a plurality of signals, a feature extraction part receiving restoration loss information, classification loss information and the plurality of signals to extract feature information indicating a relation between first and second signals of the plurality of signals, and a restoration loss input part receiving the restoration loss information from a decoder; a classifier including a signal classification part predicting a classification index based on the feature information, and a classification loss calculation part calculating a classification loss of the predicted classification index and an original classification index; and the decoder including a signal receiving part receiving the feature information from the encoder and the first signal, a signal restoration part restoring the second signal by using the first signal and the feature information, and a restoration loss calculation part calculating a restoration loss by comparing the restored second signal to an original second signal. The classification loss information is inputted into the encoder and the classifier to instruct the encoder and the classifier, and the restoration loss information is inputted into the encoder and the decoder to instruct the encoder and the decoder. Therefore, the present invention is capable of acquiring a result of classifying motions of a user in accordance with an analysis purpose.
Patent KR-20210061159-A (KR)
Inventor: LEE HEE JIN
IPC: G06T7/11
Filed: 2019-11-19
Abstract: The present invention is to provide a control system for a construction machine capable of quickly processing and accurately analyzing topographic information of a measured area. According to the present invention, a control system for a construction machine comprises: a data acquisition device for acquiring topographical information data of a measurement area for construction machinery work; and an environment data processing device for extracting data of a region of interest from the topographic information data acquired from the data acquisition device and processing the extracted data to provide topographic information data of the region of interest.
Patent KR-20210061635-A (KR)
Inventor: PARK HEUK
IPC: H05K1/02
Filed: 2019-11-20
Abstract: The present invention relates to a flexible printed circuit board of an optical reception module and, more particularly, to a flexible printed circuit board of an optical reception module which has a structure of a flexible printed circuit board capable of obtaining convenience in manufacturing while minimizing reflection occurring at a boundary with the printed circuit board of an optical transceiver. To this end, the flexible printed circuit board comprises a high-speed data line, a high-speed data line pad, a grounding pad, and a ground pad.
Patent KR-20210062483-A (KR)
Inventor: KIM MI YOUNG
IPC: H01F1/153
Filed: 2019-11-21
Abstract: The present invention provides a magnetic composite material containing amorphous metal with magnetism as a binder, and a manufacturing method of the same.
Patent KR-20210067548-A (KR)
Title: Positive active material precursor, positive active material, method of preparing the same, positive electrode including the same and rechargeable lithium battery including the same
Inventor: KIM JINHWA
IPC: C01G53/00
Filed: 2019-11-29
Abstract: Provided are a positive electrode active material precursor, a positive electrode active material using the precursor, a manufacturing method thereof, a positive electrode including the same, and a lithium secondary battery, wherein the positive electrode active material precursor includes a transition metal composite oxide precursor, and the transition metal complex oxide precursor has a peak half-width of a (200) plane (2Θ = 42 to 44°) in the range of 0.3 to 0.5° in X-ray diffraction analysis (XRD, X-ray diffraction).
Patent KR-20210067740-A (KR)
Title: Method of producing titanium-based powder using transfer arc plasma
Inventor: PARK EON BYEONG
IPC: B22F3/12
Filed: 2019-11-29
Abstract: According to one embodiment, provided is a manufacturing method of titanium-based powder using transfer type arc plasma, which comprises: a step of pickling at least one scrap of titanium and a titanium alloy; a step of cutting the pickled scraps to enable length of the longest edge of the pickled scrap to be 10 to 100 mm, and then stacking the cut scraps in a crucible of a transfer type arc plasma device; a step of generating the plasma by controlling voltage and currents of the transfer type arc plasma device; a step of manufacturing nano-sized powder by coagulating components vaporized after dissolving the cut scraps stacked in the crucible by using a flame generated by a torch unit of the transfer type arc plasma; and a step of collecting the nano-sized powder through a collection unit positioned in a lower portion of the transfer type arc plasma after collecting the nano-sized powder.
Patent KR-20210072215-A (KR)
Title: Power transmission system of hybrid electric vehicle
Inventor: HWANG SEONG WOOK
IPC: B60K6/24
Filed: 2019-12-06
Abstract: Disclosed is a power transmission apparatus for a hybrid electric vehicle. In accordance with an embodiment of the present invention, the power transmission apparatus for the hybrid electric vehicle, which is able to simplify the structure of a transmission as much as possible, add various transmission modes such as a multi-step engine mode, parallel hybrid mode, electronic continuously variable transmission (eCVT) mode, and electric vehicle (EV) mode, reduce the cost, and realize fuel efficiency and power performance higher than that of the equivalent transmission by using an engine and a motor/generator as a power source, comprises: an input shaft; a composite planetary gear set including first, second, third, fourth, and fifth rotary elements by a connection combination of a first planetary gear set and a second planetary gear set sharing a planetary carrier; a first shaft fixed on and connected to the first rotary element, fixed on and connected to the motor/generator, and selectively connected to the input shaft; a second shaft fixed on and connected to the second rotary element, and selectively connected to the input shaft; a third shaft fixed on and connected to the third rotary element, and selectively connected to a transmission housing; a fourth shaft fixed on and connected to the fourth rotary element; a fifth shaft which directly connects the fifth rotary element to an output gear; a sixth shaft selectively connected to the second shaft and the fourth shaft, and selectively connected to the transmission housing; a plurality of engagement elements which include a clutch, which selectively connects shafts with each other, and a brake which connects the shaft to the transmission housing; and a fastening unit which selectively connects the sixth shaft to the second shaft or the fourth shaft by using power.
Patent KR-20210072302-A (KR)
Title: System for transporting and method for transporting using therewith
Inventor: BAE SUNG KWAN
IPC: H01L21/677
Filed: 2019-12-09
Abstract: The present invention relates to a transporting system for transporting an object while supporting the object and a transporting method using the same. The transporting system according to an embodiment of the present invention includes a rail device, and a travelling vehicle supported and guided by the rail device to move on a predetermined path. The rail device includes a plurality of straight sections, a branch section interconnecting the plurality of straight sections, and a plurality of guide rail portions for guiding the traveling vehicle to move to any one of the straight section and the branch section, and the travelling vehicle includes a driving roller supported and guided by the rail device, and a branch roller making contact with the guide rail to move the travelling vehicle to any one of the straight section and the branch section. The guide rail includes an entry guide rail portion, a straight guide rail portion extending in the same direction as the entry guide rail portion, and a branch guide rail portion extending from the entry guide rail portion in a different direction from the straight guide rail portion. A bent portion, which is bent in a direction different from an extension direction of the branch guide rail portion, is formed in the branch guide rail portion, the branch guide rail portion of the pair of guide rails is disposed in the branch section, and the bent portion of one guide rail portion is symmetrical with the bent portion of the other guide rail portion.
Patent KR-20210077563-A (KR)
Inventor: SHIN SE YONG
IPC: A21D8/06
Filed: 2019-12-17
Abstract: As a product using bread making technology, it is suitable for agricultural products such as sugar syrup, jam, chocolate, nuts, fruit filling salad, and glutinous rice. By adjusting the mixing range, it is possible to produce specialized products that go well with the subsidiary materials.
Patent KR-20210080684-A (KR)
Title: Negative electrode for lithium ion secondary battery and lithium ion secondary battery using the same
Inventor: WOO JUNG GYU
IPC: C01B33/02
Filed: 2019-12-20
Abstract: The present disclosure relates to a method for manufacturing a negative electrode active material for a lithium secondary battery which comprises: a step of preparing a mixture solution by immersing a Si-based base material and a coating material in a solvent; a step of stirring and sonicating the mixture solution; and a step of obtaining a negative electrode active material by drying the stirred mixture solution, wherein the coating material is a metal oxide. According to the present invention, by applying metal oxide coating to a Si-based negative electrode material, electrochemical initial efficiency, life, resistance at high temperature storage, and expansion characteristics can be improved.
Patent KR-20210080817-A (KR)
Title: Stimulant therapy device for neck and shoulder muscles
Inventor: LEE JIN SOO
IPC: A61H39/08
Filed: 2019-12-23
Abstract: The present invention relates to a stimulation needle therapy device for neck and shoulder muscles, which comprises: a mounting body mounted on a user's shoulder; a first close attachment part fixed to one end of the mounting body to protrude to the lower part of the mounting body and coming in close contact with the front surface of the user's shoulder muscle; a second close attachment part provided at the other end of the mounting body and having one side coming in close contact with the rear surface of the user's shoulder muscle while sliding forward and backward along the longitudinal direction of the mobile terminal body; and a stimulation needle part mounted on the second close attachment part and stimulating the user's shoulder muscle while allowing one end to be inserted, by external force, into the rear surface of the user's shoulder muscle to which the second close attachment part is attached when the second close attachment part comes in close contact with the user's shoulder muscle to stimulate the shoulder muscle. Accordingly, when pain or stiffness occurs in the shoulder muscles, a user can stimulate the shoulder muscles by infiltrating the stimulation needle into the shoulder muscles where pain and stiffness have occurred without visiting a medical institution such as a hospital, thereby relieving the pain and the stiffness.
Patent KR-20210081158-A (KR)
Title: Automated water sampling system and a dron using the same
Inventor: JUN JUNG YOUL
IPC: G01F23/30
Filed: 2019-12-23
Abstract: The present invention relates to an automated water sampling system and a drone having the same. In accordance with an embodiment of the present invention, the water sampling system using a drone comprises: the drone which has a GPS module and a flight control module for flying to a water sampling point; a water sampling system which is engaged with a lower side of a drone body to lower a hose having a water sampling unit on one end, to pump up the water and to measure the water quality of the sampled water resource while the water resource is being sampled into a water sampling tank; and a control unit which organically controls the drone and the water sampling system for supporting an automatic water sampling mode. The automatic water sampling mode automatically performs a series of motions. The series of motions include: a motion to successively lower the altitude of the drone from the sky over the water sampling point down to a reference height and to make the drone hover; a motion to lower the water sampling unit down to a water sampling depth while hovering; a motion to start pumping up the water resource when the water sampling unit reaches the water sampling depth; a motion to increase the altitude of the drone when it is detected that the water resource is completely sampled; and a motion to end the pumping motion as the water sampling unit escapes from the water sampling depth. In accordance with the present invention, the automated water sampling system is able to easily move to a water sampling site, apply an automated water sampling mode, and precisely and rapidly sample water resources at a desired depth.