baber/WOPTO huggingface dataset:
Patent KR-20190099724-A (KR)
Inventor: SONG HOON
IPC: G02F1/1335
Filed: 2018-02-19
Abstract: A beam deflector comprises: a 1-1 deflector selecting light of first polarized light among incident light and deflecting the light of the first polarized light in a first direction; a half-wave plate disposed on a light path of the light passing through the 1-1 deflector and rotating the polarized light of the incident light by 90 degrees; and a 1-2 deflector on a light path of the light passing through the half-wave plate and selecting the light of the first polarized light among the incident light to deflect the light in a second direction different from the first direction. The beam deflector may be applied to a three-dimensional display device to provide good quality three-dimensional image since the beam deflector may branch the incident light in two independent directions and deflect the incident light.
Patent KR-20190101175-A (KR)
Inventor: KIM HYUN CHEOL
IPC: G02B5/10
Filed: 2018-02-22
Abstract: Disclosed are a laser amplifier capable of minimizing an increase in size and price and a laser processing apparatus including the same. According to the present invention, the laser amplifier comprises: a first polarized beam splitter reflecting or transmitting an incident beam in accordance with polarity of the incident beam; a first double-path amplification end amplifying the beam reflected from the first polarized beam splitter; a first polarized beam conversion means converting polarity to allow the beam inputted through the first double-path amplification end to be transmitted through the first polarized beam splitter; a second double-path amplification end amplifying the beam transmitting the first polarized beam splitter; and a second polarized conversion means disposed between the second double-path amplification end and the first polarized beam splitter and converting the beam inputted through the double-path amplification end to be reflected from the polarized beam splitter.
Patent KR-20190101190-A (KR)
Inventor: CHOI EUNPYO
IPC: A61B17/34
Filed: 2018-02-22
Abstract: The present invention relates to a self-steering catheter system capable of performing self-steering in an arbitrary direction in a three-dimensional (3D) space by using an external magnetic field formed by a simple coil structure. According to the present invention, the self-steering catheter system comprises: a magnetic field generation unit (100) including a Helmholtz coil (110) which is formed of a pair of identical circular coils (111, 112) to generate a uniform magnetic field in a central axial (x-axial) direction, a uniform saddle coil (120) which is formed of a pair of coils (121, 122) axially symmetrical with respect to the central axis (x-axis) of the Helmholtz coil (110) to generate a uniform magnetic field on a plane (y-z plane) perpendicular to a magnetic field direction of the Helmholtz coil (110) and is able to rotate around a rotation axis on the same axis (x axis) as that of the Helmholtz coil (110), and a driving unit which rotates the uniform saddle coil (120); a guide wire (210) having a magnetic body (211) disposed at a front end thereof to be steered by the magnetic field generated from the magnetic field generation unit (100); and a guide wire driving unit (220) moving the guide wire (110) forward and backward.
Patent KR-20190102497-A (KR)
Title: Composition of coppor based brazing filler metal alloy
Inventor: CHO HEE CHEOL
IPC: C22C13/00
Filed: 2018-02-26
Abstract: The present invention relates to an insert alloy composition for brazing based on copper and, more specifically, relates to an insert alloy composition for brazing based on copper comprising: 40-85 wt% of copper (Cu); 10-50 wt% of tin (Sn); and 1-20 wt% of a carbide forming material. Wettability and a bonding strength between the adherends are improved when bonding ceramic to ceramic, ceramic to metal, and metal to metal by using the insert alloy composition for brazing based on copper according to the present invention. Accordingly, a lifespan of a manufactured tool can be extended and a performance of grinding, cutting, and the like of the tool can be improved through uniform bonding.
Patent KR-20190106076-A (KR)
Title: Method and apparatus for operating small cell in wireless communication system
Inventor: OH SUNG MIN
IPC: H04W36/00
Filed: 2018-03-07
Abstract: An operation method of a device in a wireless communication system is disclosed. According to the present invention, the operation method of the device comprises the steps of: receiving a small cell list from a macro base station; receiving a synchronization signal of neighboring cells by using a radio resource not included in the small cell list; measuring received signal strength of the neighboring cell not included in the small cell list based on the small cell list; and performing a cell reselection operation based on the received signal strength. Accordingly, the device may reduce battery consumption.
Patent KR-20190097998-A (KR)
Title: User authentication apparatus supporting secure storage of private key and operating method thereof
Inventor: MOON BYUNG KWAN
IPC: H04L9/32
Filed: 2018-03-12
Abstract: Disclosed are a convenient user authenticating device for supporting secure storage of a personal key and an operating method thereof. According to the present invention, when a convenient user authenticating device generates a seed value for encoding a personal key and transmits the seed value to the client terminal, a client terminal encodes the personal key by using an encoding key generated based on the seed value and stores the encoded personal key; and when authentication for a user is performed, the convenient user authenticating device transmits the seed value to the client terminal again only in the case of an authenticated user such that the client terminal can decode the personal key based on the seed value. Accordingly, the present invention can facilitate secure storage of the personal key. In addition, the present invention can minimize user inconvenience by proceeding with an authenticating process when the user simply enters a personal identification number for user authentication which is performed in a process of decoding the personal key.
Patent KR-20180104580-A (KR)
Title: Systems and methods for bonding semiconductor elements
Inventor: CHYLAK ROBERT N
IPC: H01L21/18
Filed: 2018-03-13
Abstract: An ultrasonic bonding method of a semiconductor element comprises the following steps: (a) aligning each surface of the plurality of first conductive structures of a first semiconductor element to each surface of the plurality of second conductive structures of a second semiconductor element; and (b) ultrasonically bonding each of the first conductive structures to each of the second conductive structures. At least one of bonding surfaces of the first conductive structure and the second conductive structure includes a fragile coating.
Patent KR-20190109149-A (KR)
Title: Fluid filtration device
Inventor: PARK JIN SOO
IPC: B01D33/56
Filed: 2018-03-16
Abstract: Disclosed is a fluid filtration device. The fluid filtration device according to an embodiment of the present invention comprises: a conical filter installed in a connection pipe connected to a fluid pipe and filtering foreign matters contained in a fluid; a rotation support device installed in the connection pipe to rotationally support the filter; a plurality of blades provided on an outer surface of the filter; and a washing water spraying device having a plurality of nozzles for washing the filter, which is provided in the connection pipe and sprays the washing water to the outside of the filter to cause the filter to rotate, a washing water supply pipe connected to the plurality of washing water nozzles, and a washing water valve to open and close the washing water supply pipe. According to the present invention, foreign matters accumulated on the filter can be easily removed without removing the filter.
Patent KR-20190110662-A (KR)
Title: Polishing slurry and substrate polishing method using the same
Inventor: CHO HYUN JIN
IPC: H01L21/3105
Filed: 2018-03-20
Abstract: The present invention relates to a polishing slurry, which comprises: an abrasive; a first oxide polishing accelerator; a first nitride polishing inhibitor; and a second nitride polishing inhibitor, wherein the first oxide polishing accelerator includes a polymer oxide polishing accelerator, the first nitride polishing inhibitor includes an anionic nitride polishing inhibitor, and the second nitride polishing inhibitor includes at least one selected from a cationic nitride polishing inhibitor and a nonionic nitride polishing inhibitor.
Patent KR-20180037608-A (KR)
Inventor: LEE BYEONG IL
IPC: G01T1/161
Filed: 2018-03-22
Abstract: The present invention relates to a radiation direction evaluating device in a multiphoton radiation field which is provided with a radiation dosimeter in one body portion by direction such that a directional nature of radiation can be evaluated by measuring a radiation intensity by each location, comprising: a body portion (10) composed of a multiple surfaces (11), and formed to have a dosimeter (20) evaluating a level of radiation therein; and a support (30) capable of adjusting the height thereof such that the body portion (10) can be located to be separated from the ground surface.
Patent KR-20190114235-A (KR)
Title: Vegetable reinforced soil body for slop and construction method thereof
Inventor: BHANG IN HWANG
IPC: A01G24/12
Filed: 2018-03-29
Abstract: The present invention relates to a slope improved soil body and a construction method thereof, which can prevent a loss of a slope, and more specifically, relates to a vegtable reinforceed soil body for a slope with an excellent structure. According to the present invention, the vegtable reinforceed soil body for a slope (100) comprises: a mesh (110) installed in the front of a slope cut of the vegtable reinforceed soil body for a slope comprises: a mesh (110) installed in the front of a lower end of the cut slope; a vegetation mat (120) configured to surroun an internal front surface of the mesh; and reinforcing soil (130) filled into the mesh to perform vegetation by mixing base ground soil and a ground atabilizing agent.
Patent KR-20180111671-A (KR)
Title: Surface treated copper foil and laminate using the same, copper foil with carrier, printed wiring board, electronic device, and method for manufacturing printed wiring board
Inventor: FUKUCHI RYO
IPC: H05K1/02
Filed: 2018-03-30
Abstract: Provided is a surface treatment copper foil, easily suppressing transmission loss even when being used on a high frequency circuit board. The surface treatment copper foil has a surface treatment layer at least on one surface. Moreover, the surface treatment copper foil allows the total deposition amount of Co, Ni, and Mo on the surface treatment layer is less than 1000 μg/dm^2. In addition, the surface treatment layer has 0.4 μm2 or more particles having at least three protrusions. Furthermore, the surface roughness (Rz) measured by a contact-type roughness meter at the surface treatment layer side is 1.3 μm or less.
Patent KR-20190119716-A (KR)
Title: Accessory with image expanding function
Inventor: LEE JONG BO
IPC: A44C15/00
Filed: 2018-04-13
Abstract: The present invention relates to an ornament having an image expansion function, which uses an optical principle to see images or pictures embedded in an ornament by expanding the same through a jewel stone without a jewel stone and an image expansion unit in an ornament body separately, and increases a light emitting amount of the jewel stone. A jewel decoration unit joined to an ornament body comprises: a lens unit which is coupled and fixed to an upper side of a housing, is formed as a jewel having a surface in an entirely hexagonal crystal by a diamond cutting, and has a convex lens on a central part of the surface; a light determining unit which is provided in a lower side of the lens unit in the housing to determine an amount of light incident on the lens unit, and has a reflecting plate facing the lens unit; and a film which is provided in a lower side of the light determining unit in the housing and has various images or pictures reduced and printed thereon. Accordingly, the present invention allows various images or pictures printed on the film to be seen as an expanded illusion with naked eyes through the lens unit with light incident inside the housing through a lower side of the housing.
Patent KR-20190122435-A (KR)
Title: Refrigerator
Inventor: DONGHWI KIM
IPC: F25D17/06
Filed: 2018-04-20
Abstract: The present invention relates to a refrigerator, which comprises: a cabinet including an inner case forming a storage chamber, an outer case covering an outer side of the inner case, and an insulation material disposed between the inner case and the outer case; a storage door opening and closing the storage chamber; a cold air duct disposed in the storage chamber and located in an upper side portion of the storage chamber to discharge cold air to the storage chamber; and a guidance duct communicating with the cold air duct at an outer side of the inner case, extending to the storage door, and discharging the cold air supplied from the cold air duct to the storage door.
Patent KR-20190123552-A (KR)
Title: Process for preparing Polyethylene Terephthalate polymer
Inventor: OK YOUNG JIN
IPC: C08L67/02
Filed: 2018-04-24
Abstract: The present invention relates to a method for manufacturing a polyethylene terephthalate polymer that can solve a phase separation problem due to blending and improve heat resistance of a polymer by adding a polyetherimide in a direct esterification step when manufacturing the polyethylene terephthalate polymer. The polyethylene terephthalate polymer manufactured by the present invention is excellent in heat resistance and can be applied to outdoor exterior materials having high seasonal temperature changes, an electronic material field having high process temperatures, a high heat-resistant tire cord field and the like.
Patent KR-20190125580-A (KR)
Inventor: LEE YONG KEUN
IPC: H02P6/10
Filed: 2018-04-30
Abstract: Torque ripple is always a problem for brushless (BL) DC motor drives. The torque ripple is especially important during a rectification period. The torque ripple is mostly generated due to not only a back EMF phase shift but also an equal but opposite rectified current rate. The present invention provides a BLDC motor driving device having a constant band hysteresis current controller with a back EMF phase shift error compensator in order to minimize total torque ripple.
Patent KR-20190129389-A (KR)
Title: Facilities and management system of rice processing complex
Inventor: KIM OUI WOUNG
IPC: B02B5/02
Filed: 2018-05-10
Abstract: The present invention relates to a facility and management system of a rice processing complex, which enables integrated production of germ rice including white rice, germinated brown rice, specially processed rice such as clean rice, and mixed rice such as grains. The present invention comprises: a dry rice storage device importing and storing dried rice; a brown rice production device producing brown rice by processing the dried rice supplied from the dry rice storage device; a white rice production device receiving the produced brown rice and processing the supplied brown rice to produce white rice; a special rice production device receiving the brown rice produced through the brown rice production device and the white rice produced through the white rice production device, respectively, and processing the supplied brown rice and the white rice to produce special rice; a mixed rice production device importing and processing grains and mixing the processed grains, the brown rice and the white rice at a predetermined ratio to produce mixed rice; and a rice complex management system storing history information of the dried rice and grains imported and controlling the operation of each device forming a management system of a rice processing complex. The special rice produced through the special rice production device includes germinated brown rice obtained by processing the brown rice and clean rice obtained by processing the white rice.
Patent KR-20190130327-A (KR)
Title: Hexagonal-packed electronic device and addressing method thereof
Inventor: YEO JONG SOUK
IPC: H01L45/00
Filed: 2018-05-14
Abstract: An electronic device having a hexagonal structure and an addressing method thereof are disclosed. The electronic device according to an embodiment of the present invention includes: a first conductor arranged in a first direction; a second conductor disposed on the first conductor and arranged in a second direction; a third conductor disposed on the second conductor and arranged in a third direction; a selection element disposed between the first conductor and the second conductor at an intersection of the first conductor, the second conductor and the third conductor; and a memory element disposed between the second conductor and the third conductor.
Patent KR-20190131177-A (KR)
Title: hard coating composition having good anti-scratch property
Inventor: HONG SOON YOUNG
IPC: C09D7/40
Filed: 2018-05-16
Abstract: The present invention relates to a high hardness coating composition having scratch resistance, which comprises: 0.1 to 10 wt% of a siloxane compound; 1 to 10 wt% of a polyfunctional acrylate oligomer; 10 to 40 wt% of a polyfunctional acrylate monomer; 0.1 to 10 wt% of a silane coupling agent; 0.5 to 5 wt% of a fluorine compound having (meth)acrylic; 0.02 to 7 wt% of a polymerization initiator consisting of a photocuring initiator and a thermosetting initiator; and a residual organic solvent. The composition according to the present invention is possible to form a coating layer having high hardness, flexibility and scratch resistance on a plastic substrate.
Patent KR-20190135178-A (KR)
Title: Appratus for controlling led lighting
Inventor: LEE HO
IPC: H05B44/00
Filed: 2018-05-28
Abstract: The present invention relates to an LED lighting control device capable of controlling the brightness of an LED lighting part with one converter, comprising: a bridge circuit part outputting a rectified signal with a first switch line connected to a first switch, a second switch line connected to a second switch, and two lines with a common line as an input signal; a control signal output part connected to the first switch line and the second switch line to detect whether the first switch or/and the second switch is/are turned on and outputting a dimming control signal; and a converter which receives the rectified signal and the control signal and controls and drives an LED lighting module according to the dimming control signal.
Patent KR-20190135833-A (KR)
Title: Fixed biometric monitoring system and operating method thereof
Inventor: LEE YOUNG JUN
IPC: A61B5/145
Filed: 2018-05-29
Abstract: The present invention provides a stationary biometric monitoring system and an operating method thereof. For example, the biometric monitoring system comprises: a data collection unit to collect optical information for a user from a finger of the user using a multi-function optical sensor to enter a door; an authentication processing unit to use the collected optical information to identify a fingerprint for the user, and use the identified fingerprint to authenticate entry of the user; a bioinformation generation unit to use the collected optical information to generate bioinformation for the user; and a record processing unit to control to associate the generated bioinformation with the identified fingerprint to record the bioinformation. The multi-function optical sensor includes a light receiving element of an array structure. The data collection unit further collects a plurality of spectra measured from blood vessels of the finger by the light receiving element as the optical information. The bioinformation generation unit can generate blood sugar information for the user as the bioinformation in a noninvasive manner based on the collected optical information.
Patent KR-20180089878-A (KR)
Inventor: KIM YONG ROK
IPC: B60K17/34
Filed: 2018-06-05
Abstract: According to the present invention, when a vehicle is driven, electric energy is charged in a battery with air resistance of a head wind bumped into a front bumper. The electric energy is supplied to a device requiring main power, auxiliary power, or other electric energy in the vehicle. According to the present invention, a driving source of an electric vehicle or a conventional internal combustion engine vehicle which is continuously driven by supplying or charging consumed electricity or energy to drive a vehicle is hybridized to improve economic feasibility with the minimum fuel efficiency. Moreover, environmental pollution of carbon dioxide contained in fossil fuel and noise can be prevented or reduced.
Patent KR-20190138254-A (KR)
Inventor: CHAE RYEONG
IPC: H04L9/06
Filed: 2018-06-09
Abstract: The present invention provides a CCTV disaster prevention surveillance camera for monitoring a dimming control LED streetlight control system using a quantum encryption key quarternary matrix hash function blockchain which provides a commercial service with maximized security. According to the present invention, a quantum mainboard receives a quantum random number (QRN) from a QRN generator to generate a symmetric encryption key and encrypts the symmetric encryption key with a pseudo random number (PRN) generated from a PRN generator to generate an asymmetric encryption key. The quantum mainboard receives a random QRN from the QRN generator to generate a symmetric encryption key which is a (x, t, z, T) quarternary matrix function including a T dimension which is a time dimension. The quantum mainboard generates an X coordinate value of a hash function from a data value encrypting MAC address data with the symmetric encryption key through the PRN generator and generates a Y coordinate value of the hash function from a data value encrypting physically unclonable function (PUF) personal identification number (PIN) data with the symmetric encryption key through the PRN generator. When receiving normal, attention, alarm, and early fire event data from an early stage fire monitoring CCTV surveillance camera, the quantum mainboard generates a Z hash value of the hash function from a data value encrypting the early fire event data with the symmetric encryption key through the PRN generator and generates a T coordinate value of the hash function from a data value encrypting time data with the symmetric encryption key through the PRN generator.
Patent KR-20190140550-A (KR)
Inventor: KIM CHOON SAN
IPC: G06Q30/06
Filed: 2018-06-12
Abstract: Disclosed are a blockchain-based intellectual property sharing economy system, which uses a blockchain to store and manage information about data files stored in each node in a blockchain type, share an ownership of each data file, and calculate and manage expenses about the shared ownership and a method thereof. According to the present invention, each node of the blockchain-based intellectual property sharing economy system comprises: a blockchain formed by connecting blocks including at least a block hash value and a nonce value; an IP list storing an IP address and port number for all nodes having the blockchain; a transaction transmission module generating and transmitting a transaction including information about data and owner information to other nodes having the blockchain when the data or a file is stored in or deleted from a preset folder; and a blockchain execution module generating a block with respect to the received transaction and transmitting a block hash value and a nonce value to other nodes when the transaction is received from other nodes having a blockchain, and generating and connecting a block to the blockchain by using received information when the block hash value and the nonce value are received from other nodes.