baber/WOPTO huggingface dataset:
Patent KR-20090132365-A (KR)
Title: Fabricating method for fine limestone powder and apparatus for the same
Inventor: CHO SUNG BAEK
IPC: B03D1/00
Filed: 2008-06-20
Abstract: PURPOSE: A manufacturing device of fine limestone powder and a method thereof are provided to adjust size of limestone while preventing blackening of the limestone, and to produce the limestone powder having improved whiteness property. CONSTITUTION: A manufacturing device of fine limestone powder including the following steps of: forming limestone powder to powder; selecting and suspending the powder; forming slurry to a crushed material with a grinder after forming the powder to the slurry in a slurry tank; and classifying the crushed material to O/F and U/F. The manufacturing device includes the slurry tank(130), the grinder(140), and a classifying device(170) classifying the crushed limestone materials.
Patent KR-20090132750-A (KR)
Title: The power saving inform-switch method that lights on the inform-lamp setup on the switch button while turning on
Inventor: YANG GEE CHEOL
IPC: H01H9/18
Filed: 2008-06-23
Abstract: PURPOSE: An energy-saving type informing switch scheme turning on an inform lamping, which is installed in a switch button, in power-on are provided to make anyone easily recognize informing lamp by easily recognizing the inform lamping turned on in the switch button at a distance. CONSTITUTION: When a user turns on light, an informing lamp is turned on. The informing lamp is recognized by a user at a distance. The informing lamp is flattened according to shapes of switch button(1,3) not to be projected more than other parts of the switch button. When interior light is turned out, the informing lamp is turned off.
Patent KR-20090007211-A (KR)
Title: Rotating control assembly with double cable
Inventor: FERRARESE CLAUDIO
IPC: F16C1/22
Filed: 2008-06-24
Abstract: A rotation control assembly with a double cable is provided to simplify the structure by adopting identical pulleys in the control device and the starting device. A rotation control assembly comprises a starting device(14) and a control device(12) which are connected through two cables(106,108) and have pulleys(24) and plate-type bases(22), where the pulley and the base mounted on the starting device are identical to those of the control device. The base includes a first fastening unit(36) for attachment on support parts, a second fastening unit(38) for attachment on a casing, and a guide unit(40) guiding the cables wound on the pulley.
Patent KR-20090106973-A (KR)
Title: System and method for synchronization of television signals associated with multiple broadcast networks
IPC: H04N5/04
Filed: 2008-06-24
Abstract: PURPOSE: A system and a method for synchronizing television signals associated with multiple broadcast networks are provided to remove a time difference between program reproduction and display under various broadcasting networks to enable viewers to simultaneously watch the same program, thereby improving viewing satisfaction. CONSTITUTION: A method for synchronizing television signals associated with multiple broadcast networks comprises the following steps. A frame of a video broadcast signal is received(502). Data showing the received frame is generated(504). The data showing the received frame is transmitted to a server(506). Data showing a time of displaying the received frame is received from the server(508). The received frame is actually outputted on a display device at the display time.
Patent KR-20100000605-A (KR)
Title: A cysteine smell-reduced solid preparation
Inventor: HAYASHI TETSUO
IPC: A61K9/20
Filed: 2008-06-25
Abstract: PURPOSE: A solid formulation containing L-cysteine or its salt is provided to reduce unpleasant smell and shorten manufacturing time. CONSTITUTION: A coating solid formulation is produced by coating film containing partial saponicated material of polyvinylalcohol in a solid formulation containing L-cysteine or its salt. The thickness of the coating film is 5 um or more. The degree of saponification is 70mol%~97mol%. The coating film further contains plasticizer, coating agent, dispersing agent, coloring agent or antifoaming agent. The solid formulation is used in the formulation of tablet, granule, and fine granule.
Patent KR-20100001641-A (KR)
Title: Method, terminal and storage medium for interworking in heterogeneous platforms
Inventor: YOON JONG KWAN
IPC: H04B1/40
Filed: 2008-06-27
Abstract: PURPOSE: A method, a terminal and a storage medium for interworking in heterogeneous platforms are provided to enables a mutual interworking operation between heterogeneous platforms by allowing setting information share between heterogeneous platforms. CONSTITUTION: A platform management unit(110) manages a first application and a first frame buffer of a first platform, and a second platform management unit(120) manages a second application and a second frame buffer of a second platform. A mutual interlocking information storage(140) stores the second setting information of a second frame buffer and the first setting information of the first frame buffer.
Patent KR-20100002417-A (KR)
Title: 음식물 자연 탈수 처리기
Inventor: LEE SUN KYU
IPC: B09B3/00
Filed: 2008-06-30
Abstract: 본 발명은 음식물 자연 탈수 처리기를 제공하는 것을 목적으로 하는 것으로, 본 발명의 구성은 하단부에 배출공(12)이 형성되고 내부에는 음식물 쓰레기를 담는 수용부가 형성된 하우징(10)과, 상기 하우징(10)의 상기 배출공(12)에 결합되어 상기 하우징(10)의 내부에 직립 설치되며 표면에는 음식물 쓰레기에서 생기는 침출수가 투입되어 상기 하우징(10)의 상기 배출공(12)으로 배출되도록 하는 복수개의 투입공(22)이 형성된 배수관체(20)를 포함하는 것을 특징으로 한다. 
       
     하우징, 배출공, 배수관체, 투입공
Patent KR-20100005314-A (KR)
Title: Stiffness reinforcement typed cylinder block using cylinder bore side rib
Inventor: LIM HYUNG TAEK
IPC: F02F1/20
Filed: 2008-07-07
Abstract: PURPOSE: A strength reinforcing type cylinder block using a cylinder bore outer wall is provided to reinforcing the strength of a cylinder block without the design change of a cylinder block and to expand the flow passage area of oil and blow-by gas. CONSTITUTION: A strength reinforcing type cylinder block using a cylinder bore outer wall is composed of a block body(1), a water sealing cap boss(4), and an oil gas passage bead(10). The block body forms a water passage(8) in which cooling water flowing near a bore forming a burning chamber is circulated. The water sealing cap boss is composed of plural first, second, and third through holes(5,6,7) in which caps for blocking the cooling water leakage are inserted. The oil gas passage bead is formed in the shape connected to the body side of the bore outer wall in which the first, second, and third through holes are penetrated.
Patent KR-20100008669-A (KR)
Title: Spare tire withdrawal device of vehicles
Inventor: SIN SEUNG IL
IPC: B60J5/04
Filed: 2008-07-16
Abstract: PURPOSE: A temporarily connectable door regulator motor device is provided to easily connect a door regulator motor to a door panel by using a motor bracket and a temporary connecting unit. CONSTITUTION: A temporarily connectable door regulator motor device is composed of a door panel(1), a motor bracket(3), and a temporary connecting unit. The door panel is mounted to a vehicle. The motor bracket is included in a regulator motor(2) to mount a regulator motor to the door panel. The temporary connecting unit is formed in the door panel and the motor bracket to facilitate the connection of the door panel and the regulator motor.
Patent KR-20100008902-A (KR)
Title: Tire pressure monitoring system considering tire pressure for determining pressure sensor signal transmission period
Inventor: KIM DONG WAN
IPC: B60C23/02
Filed: 2008-07-17
Abstract: PURPOSE: A tire pressure sensing system is provided to increase the battery life of a pressure sensor by making a pressure sensor not transmit the pressure sensor signal if the air pressure of a tire is more than the constant pressure. CONSTITUTION: A tire pressure sensing system is composed of a tire pressure sensor module, an RF module, and a display module. The tire pressure sensor module is installed in a vehicle to sense the tire pressure. The RF module transmits the tire pressure sensor signal detected in the tire pressure sensor module at the constant cycle preset according to the traveling condition of a vehicle. The display module displays the tire condition based on the pressure sensor signal. If the vehicle stops, the transmission cycle of the pressure sensor signal is set in consideration of the air pressure of the tire.
Patent KR-20100016778-A (KR)
Inventor: LEE NAM HOON
IPC: A43B3/30
Filed: 2008-08-05
Abstract: PURPOSE: Footwear for preventing kidnapping is provided to indicate only the current position in a cellular phone without vibration and sound and to prevent kidnapping and direction of movement. CONSTITUTION: Footwear for preventing kidnapping comprises: a shoes body; a position-tracking device without the sound and vibration which is located in the shoes body and is capable of transmitting a massage by sensing current position; and a hydraulic generator generating up and down motion of heel into an electrical energy. The location of the footwear is found when a user presses the number of the position-tracking device.
Patent KR-20090023103-A (KR)
Title: An injection nozzle for the injection of fuel
Inventor: SCHULZ REINER
IPC: F02M61/18
Filed: 2008-08-06
Abstract: An injection nozzle for the injection of fuel is provided to prevent a fuel from being escaped from a passage when a fuel injection is halted by unclogging the passage located between a valve seat and a nozzle opening through an unclogging device. An injection nozzle for the injection of fuel comprises a nozzle main body(2), a nozzle head(3) having at least one nozzle openings(4.1,4.2), a valve needle(6) and a valve seat(7) arranged inside the nozzle main body, an injection valve controlling the fuel supply from the nozzle main body or the nozzle head to the nozzle opening; passages(5.1,5.2) interacting with the valve needle, unclogging devices(15,16,20) unclogging the passages, and a line(17) connected to the passages in order to unclog them in case the injection nozzle is clogged.
Patent KR-20100021738-A (KR)
Title: 곡선상의 건반배열을 갖는 키보드
Inventor: MOON SI YEON
IPC: G10C3/12
Filed: 2008-08-18
Abstract: 본 발명은 곡선상의 건반배열을 갖는 키보드에 관한 것으로서 키보드의 전체 건반들 중에서 양측의 가장자리에 가깝게 위치하는 건반들과 연주자와의 거리를 가깝게 유지시키고 동시에 양측의 가장자리에 가깝게 위치하는 건반들을 연주할 때에도 연주자의 손가락과 건반이 가능한 일직선으로 배열되도록 하기 위해 키보드의 전체 건반들 중에서 양측의 가장자리에 가깝게 위치하는 건반들을 곡선상으로 배치한 것이다. 본 발명에 따른 곡선상의 건반배열을 갖는 키보드는 중앙을 기준으로 하여 양방향으로 소정의 폭의 범위에서 직선상으로 배열되는 건반들로 구성된 직선배열건반부 및 상기 직선배열건반부의 양측에 각각 형성되며 곡선상에 배열되는 건반들로 구성된 곡선배열건반부를 포함하여 구성된다. 
     
     키보드, 건반, 곡선, 피아노, 오르간, 전자키보드
Patent KR-20100023212-A (KR)
Title: Rotary mode shift apparatus and the digital apparatus comprising the same
Inventor: LEE JONG SUB
IPC: H04N5/225
Filed: 2008-08-21
Abstract: PURPOSE: A rotating mode conversion device and a digital device with the same are provided to integratedly form a component for generating grip feeling and a contact component for mode conversion in order to reduce the number of components and processes, thereby reduce manufacturing costs. CONSTITUTION: A rotating mode conversion device and a digital device with the same includes a base(110), a handle member(120), and an elastic member(130). In the center of the base, a penetration hole is formed. The handle member has a circular shape and on the handle member, multiple bumps are repetitively formed in order to provide grip feeling and frictional force. The elastic member has predetermined elastic restoring force and is included in the lower side of the base.
Patent KR-20100029305-A (KR)
Title: Color interpolation device and color interpolation method
Inventor: TIMOFEI UVAROV
IPC: H04N9/67
Filed: 2008-09-08
Abstract: PURPOSE: A color interpolation device and a color interpolation method are provided to optimize hardware size and realize superior interpolation performance. CONSTITUTION: A gradient grade calculation block(30) calculates horizontal induction values and vertical induction values using composite video signals. The grade calculation block calculates a gradient grade using linear composition of the horizontal induction values and vertical induction values. A horizontal/vertical YUV calculation block(40) calculates horizontal YUV components and vertical YUV components about a current pixel from the composite video signals.
Patent KR-20100029666-A (KR)
Inventor: EUN BYUNG SOO
IPC: H01L21/336
Filed: 2008-09-08
Abstract: 본 발명의 반도체 소자의 제조방법은, 반도체 기판의 활성영역 내에 리세스 트렌치를 형성하는 단계; 리세스 트렌치, 리세스 트렌치 형성시 소자분리막 내에 수반된 홈 및 반도체 기판상에 게이트 절연막, 게이트 도전막, 게이트 금속막 및 하드마스크막을 형성하는 단계; 게이트 도전막의 표면을 노출시키는 식각을 진행하여 게이트 금속막 패턴 및 하드마스크막 패턴을 형성하는 단계; 하드마스크막 패턴을 식각마스크로 게이트 도전막의 노출부분을 식각하여 형성된 게이트 도전막 패턴을 포함하는 게이트 스택을 형성하는 단계; 게이트 도전막 패턴 하부에 잔류하는 도전성 테일(tail)을 세정으로 제거하는 단계; 게이트 스택 측벽에 스페이서를 형성하되, 스페이서는 도전성 테일을 제거시 게이트 도전막 패턴이 리세스되어 형성된 공간을 모두 매립하는 단계; 및 게이트 스택 사이에 스페이서로 분리된 랜딩플러그를 형성하는 단계를 포함한다.  
       
     도전성 테일, 세정 공정, 자기정렬 불량
Patent KR-20100033221-A (KR)
Title: Back light unit
Inventor: LEE SANG MIN
IPC: G02F1/13357
Filed: 2008-09-19
Abstract: PURPOSE: A backlight unit is provided to remarkably improve illumination efficiency of a backlight of the backlight unit of a light-receiving display, and to reduce the amount of the light loss between a light emitting device and an optical system. CONSTITUTION: A backlight unit comprises a light emitting device(120), a PCB(110), and an optical system(140). The light emitting device is mounted on the PCB. The PCB is a reflective material for reflecting the light which is unable to pass through the optical system and comes back to the lower side to the optical system. The optical system is located in between the light emitting device and an light-receiving display(D).
Patent KR-20100033288-A (KR)
Title: Pyrolysis system waste tires using microwaves
Inventor: OH HYUNG JONG
IPC: B29B17/00
Filed: 2008-09-19
Abstract: PURPOSE: A waste tire pyrolysis device using microwave is provided to improve productivity, to facilitate the collection process of a metal wire after the pyrolysis, and to easily pile up the waste tire. CONSTITUTION: A waste tire pyrolysis device using microwave comprises a stacking device, a reactor main body, a waste tire supplying unit, a waste tire pyrolysis unit, an pyrolysis oil collecting unit, and a pyrolysis residue collecting unit. The stacking device can laminate waste tires on the lower side of a reactor. The reactor main body includes an inactivity gas supply unit to apply an oxygen relief ash mood to an inner space unit. The waste tire supplying unit is for transport the stacking device to the space unit in the reactor main body. The waste tire pyrolysis unit is installed in the reactor main body and includes a first particulate revival tank.
Patent KR-20100034465-A (KR)
Title: Manufacturing method for crystallized pravastatin sodium salt purifying impure non-crystallized pravastatin sodium salt
Inventor: KIM JOON SEOP
IPC: C01D13/00
Filed: 2008-09-24
Abstract: PURPOSE: A manufacturing method of crystallized pravastatin sodium salt is provided to mass produce the crystallized pravastatin sodium salt using ethanol and acetone solvent. CONSTITUTION: A manufacturing method of crystallized pravastatin sodium salt comprises the following steps: dissolving impure non-crystallized pravastatin sodium salt in a mixture of purified water and low-class carbon alcohol with 1~4 carbon atoms; decolorizing the solution from the previous step using activated charcoal; filtering the decolorized solution with diatomite and crystallizing impurities by adding the filtered solution into acetone; putting the solution filtered with the crystallized impurities into the acetone again to crystallize the pure pravastatin sodium salt; and cooling the solution at 0~25 deg C to obtain the white crystallized pravastatin sodium salt.
Patent KR-20100035204-A (KR)
Inventor: KWON OH SEOK
IPC: E04F15/12
Filed: 2008-09-26
Abstract: 본 발명은 건축물의 바닥 마감을 인조석 질감이 표현되도록 하는 건식갈기를 실시함에 있어 바닥마감재에 포함된 종석이 건식갈기기계의 고속회전에 의해 이탈되는 것을 방지함으로써 건식갈기의 작업능률을 향상시킬 수 있도록 하는 건축물의 건식 갈기용 바닥마감재의 시공방법에 관한 것으로,  
     콘크리트층(10)의 상부면으로 접착제를 도포하여 1차접착제층(20)을 형성시키는 단계와, 상기 접착제층(20)의 상부면에 줄눈대(30)를 선택 배치함과 동시에 모르타르를 타설하여 모르타르층(40)을 형성시키는 단계와, 상기 모르타르층(40)을 형성시키고 24시간 경과 후 접착제를 도포하여 2차 접착제층(50)을 형성시키는 단계와, 상기 2차접착제층(50)형성과 동시에 백시멘트(61) 40kg과 종석(62) 75kg과 물40kg을 교반시켜 구성된 바닥마감재를 타설하여 바닥마감재층(60)을 형성시키는 단계와, 상기 바닥마감재층 형성후 물갈기 또는 건식갈기 중 어느한 방법을 이용하여 표면 연마작업을 함으로써 완성되는 바닥마감재의 시공방법에 있어서, 
     상기 백시멘트(61) 40kg과 종석(62) 75kg과 물40kg을 교반시켜 구성된 모르타르 상태의 바닥마감재에 70~90g의 접착제를 첨가시켜 교반시킨 바닥마감재를 타설하여 바닥마감재층(60)을 형성시키되, 모르타르 상태의 바닥마감재 타설과 동시에 그 상부표면에 물과 접착제를 1:1의 비율로 혼합한 접착액을 살포하여서 완성되는 것이다. 
       
     바닥마감재, 줄눈대, 건식갈기, 물갈기
Patent KR-20100035262-A (KR)
Title: Apparatus and method for allocating ack/nack channel in wireless communication system
Inventor: CHO YOUNG BO
IPC: H04B7/26
Filed: 2008-09-26
Abstract: PURPOSE: An apparatus and a method for allocating an ACK/NACk channel in a wireless communication system are provided to prevent the duplicate allocation of ACK/NACk channel by changing ACK/NACK channel for retransmission according to the number of holes of channel. CONSTITUTION: A base station assigns an ACK / NACK channel to each terminal according to the configuration order of a resource allocation message. The base station transmits the resource assign message and data to each terminal(309). The base station confirms the change of the ACK / NACK signal. The base station changes the ACK / NACK channel of the terminals according to channel allocation cancel information.
Patent KR-20100036013-A (KR)
Title: Fuse box of semiconductor device and method for forming the same
Inventor: AHN KYONG JUN
IPC: H01L23/62
Filed: 2008-09-29
Abstract: PURPOSE: A fuse box of semiconductor device and a method for forming the same are provided to prevent residue generation of a metallic fuse on an insulating layer by exposing a front surface of blowing region of a metal fuse by isotropically etching the insulating layer. CONSTITUTION: A first insulating layer(110) is formed on the semiconductor substrate upper and includes a first groove(H1). A fuse(120) is formed on the first insulating layer including the first groove. A second insulating layer(130) is formed on the fuse and the first insulating layer. A second groove(H2) exposing a blowing domain of the fuse is included. The first and second grooves are formed in order to be each other connected.
Patent KR-20100036426-A (KR)
Title: Lighting instrument
Inventor: HWANG WOONG JOON
IPC: F21V29/00
Filed: 2008-09-30
Abstract: PURPOSE: A lighting device is provided to maximize the convection of the cold air by forming a plurality of vents on an optical cover. CONSTITUTION: A lighting device includes an LED(Light Emitting Diode)(110), a body unit(150), and a plurality of heat sinks(140). The LED emits light. The LED is attached to the body unit. The body unit is comprised of a stem part(120) and a plurality of branch parts(130). The plurality of branch parts is protruded from both sides of the stem part. The plurality of heat sinks is protruded from the body unit in the ceiling vertically. The optical cover is connected to the lower side of the lighting device. The plurality of vents is formed on the optical cover.
Patent KR-20100036148-A (KR)
Inventor: AN JIK WHAN
IPC: B63B35/50
Filed: 2008-09-29
Abstract: PURPOSE: An anchorage of a water plane is provided to anchor regardless of place by mounting an anchorage for a ship on the water plane. CONSTITUTION: An anchorage of a water plane comprises an anchor and a main body. The anchor is attached to the water plane. The anchor is attached to the main body of the water plane. The water plane can anchor regardless of place, regardless of the place by attaching the anchor. The location attaching to anchor and the structure thereof can be varied according to the need of the producer.
Patent KR-20100039964-A (KR)
Title: Manufacturing device of a flame arrester
Inventor: KIM HONG SOON
IPC: F02B77/10
Filed: 2008-10-09
Abstract: PURPOSE: A molding apparatus of a flame arrestor is provided to simplify a manufacturing process by forming a concavo-convex part in a strap by a press and enabling a folding unit to store the strap. CONSTITUTION: A molding apparatus of a flame arrestor includes a guide unit, a folding unit(130), and a winding unit. The guide unit inserts a strap(210) forming a concavo-convex part into a molding apparatus. The folding unit folds a strap delivered from the guide unit. The folding unit comprises at least one folding unit which is aligned in a row. The folding unit comprises an upper roller and a lower roller. The winding unit is arranged behind the folding unit. The winding unit bends the folded strap to a ring shape which has a uniform diameter.
Patent KR-20100040153-A (KR)
Title: Wafer level chip size package and method for fabricating the same
Inventor: KANG TAE MIN
IPC: H01L23/48
Filed: 2008-10-09
Abstract: PURPOSE: A wafer level chip size package and a method for manufacturing the same are provided to simplify a manufacturing process by performing a pad rearrangement process with a conductive ink. CONSTITUTION: Bonding pads(112) are arranged on the upper side of a semiconductor chip. An insulation layer(116) is arranged on the semiconductor chip and exposes the bonding pads. Electrical connection parts(122) are arranged on the insulation layer. The electrical connection parts are conductive land patterns which are spaced apart from each other. A conductive trace(124) connects the bonding pads and the electrical connection parts. A solder mask exposes the electrical connection parts.
Patent KR-20100046600-A (KR)
Title: Linear vibrator
Inventor: LEE IN HO
IPC: H02K41/02
Filed: 2008-10-27
Abstract: PURPOSE: A linear vibrator is provided to prevent collision between a moving unit and a component by vibrating the moving unit along a support shaft. CONSTITUTION: A linear vibrator comprises a stator(60), a support shaft(61) and a moving unit(62) A stator includes a case(80), a circuit board(81), and a coil(82). The case has a preset space. The circuit board is arranged inside the case. The coil is connected to the circuit board. The support shaft is inserted into the case. The moving unit is comprised of a bearing(84), a mass unit(85), and a magnet(86). The bearing is movable contacted with the outer circumference of the support shaft. The mass unit surrounds a part of the bearing. The magnet is supported on one side of the mass unit.
Patent KR-20100046873-A (KR)
Inventor: CHOI GWANG HEI
IPC: G02B1/10
Filed: 2008-10-28
Abstract: 본 발명은 복합플레이트의 제조방식 및 이에 따른 복합플레이트에 관한 것으로, 본 발명의 구성은 투명 기판 상에 반사방지층을 습식코팅으로 형성하되, 상기 투명기판상에 고굴절용액을 코팅하여 고굴절층을 형성하는 1단계와 상기 고굴절층 상에 초고굴절용액을 코팅하여 초고굴절층을 형성하는 2단계, 그리고 상기 초고굴절층 상에 저굴절용액을 코팅하여 저굴절층을 형성하는 3단계를 포함하여 이루어지는 것을 특징으로 한다. 
     본 발명에 따르면, 진공증착이 아닌 습식코팅방식을 적용하여 반사방지층을 형성하여 제조원가를 낮출수 있도록 하며, 열차단 기능을 보유할 수 있도록 하여 야외의 태양열 하에서도 패널의 신뢰성, 내구성, 시인성의 확보가 가능한 효과가 있다. 
       
     PID(Public information Display), 광학박막, 반사방지, 열차단, 습식코팅
Patent KR-20100047644-A (KR)
Title: A sun tracing type solar beam energy accumulating apparatuses
Inventor: YOON JOO PYUNG
IPC: H02S20/32
Filed: 2008-10-29
Abstract: PURPOSE: A sun-tracking solar energy integrated device is provided to reduce the occupied area of a light-collecting plate by vertically and horizontally rotating light-collecting plate on a fixed vertical strut. CONSTITUTION: A sun-tracking solar energy integrated device comprises a fixed vertical strut(10), a light-collecting plate support holder, a light-collecting plate support(30), a first drive motor(M1), a second drive motor(M2), a light-collecting plate(40), sun-tracking sensor units(S1,S2), and a control box(50). The fixed vertical strut comprises a strut(11) and a lower support(12). The light-collecting plate support holder is coupled with the upper end of the fixed vertical strut. The light-collecting plate support is coupled with the light-collecting plate support holder. The first drive motor is mounted on the fixed vertical strut and rotates the light-collecting plate support holder. The second drive motor is mounted on the light-collecting plate support holder and rotates the light-collecting plate support. The light-collecting plate is coupled with the light-collecting plate support. The sun-tracking sensor unit is mounted on the light-collecting plate support.