baber/WOPTO huggingface dataset:
Patent KR-20090000977-A (KR)
Title: The removal device of fixed substance inside wall of pipe
Inventor: SON BOK NAM
IPC: B08B9/027
Filed: 2007-06-29
Abstract: A device for removing adhered materials inside the pipe is provided that the stuck material remaining in the inner wall can be removed by jetting the high pressure water on the inside tube wall. A device for removing adhered materials inside the pipe comprises a cylindrical body(10) having a penetration hole in inside, a swivel mounting unit formed in the one side of body, a water projector(20) mounted on the other side of the body, a rotating body(30) mounted on the outer around face of the water projector, a plurality of foreign material removing unit(40) installed at the outer around face of rotator at regular intervals, a plurality of decks(12) mounted on the outer around face of the body to the fixed interval.
Patent KR-20090002681-A (KR)
Title: Cosmetic composition having antioxidation activity
Inventor: KIM HO JEONG
IPC: A61K8/97
Filed: 2007-07-02
Abstract: A cosmetic composition having an antioxidizing activity, and a method for preparing the cosmetic material are provided to enhance the maintenance of antioxidizing effect and antiaging effect. A cosmetic composition having an antioxidizing activity contains the fermentation extract which is obtained by fermenting the mushroom fungi of at least one selected from Glycyrrhiza glabra, Angelica gigas, insam (ginseng), Scutellaria baicalensis and Poria cocos with yeast, lactobacillus and bifidus, and extracting it, as an active ingredient.
Patent KR-20090005524-A (KR)
Title: Zigbee agent having control function of stand-by power
Inventor: KIM SEUNG JIN
IPC: H02J9/02
Filed: 2007-07-09
Abstract: An agent having control function of stand-by power is provided to reduce consumption of power source by controlling power source supplied from a power supply unit to constant rate. A power blocking part(30) connects/disconnects the power supplied to an electronic device with the control of a controller(10). A measuring unit(50) measures the electricity used up in an electronic device(1) and provides the measured value to a controller. A power supply unit(90) supplies the power source to the controller, the power blocking part and the measuring unit. A working / sleep part(100) is connected to the controller. The working / sleep part switches off the controller to constant rate on a predetermined time. The working / sleep part comprises a measured value calculation unit, a stand-by power determining unit, a controller blocking part and a breaking time setting unit. The measured value calculation unit compares the measured value to the value set up in advance. The stand-by power determining unit determines stand-by power state based on the value calculated by the measured value calculation unit. The controller blocking part makes the controller working or slept with the determination of the stand-by power determining unit. In order to control the working / sleep time of the controller blocking part, the breaking time setting unit provides the working / sleep time set up in the controller.
Patent KR-20090005636-A (KR)
Title: Layout structure of transistor using for driver ic
Inventor: CHOI SUNG PIL
IPC: H01L29/78
Filed: 2007-07-09
Abstract: The transistor layout structure used for the driver IC is provided to release effectively the generated heat without an increase ikn the surface area of chip by forming a plurality of vias formed in the vertical direction on the top of the second barrier metal. The transistor layout structure comprises the first area having the source(307) and drain(309) on the semiconductor substrate(301) and the second area having the first metal layer and the second metal layer(M2:330) for supplying power, and the third area having a plurality of vias(313,314,317,318). The third region also includes the passivation layer(405) coated uniformly in the other region except for the transistor region of the first area.
Patent KR-20090006447-A (KR)
Title: Cash dispenser management server and method
Inventor: NAM YOUNG KAG
IPC: G06Q40/02
Filed: 2007-07-11
Abstract: A server and a method for managing ATM(Automatic Teller Machine) by making an ATM manager cooperated with a bank operate, install, and manage the ATM are provided to enable the bank to reduce manpower and expense by separating a subject managing the ATM from the bank. A withdrawal request processor(300) converts a withdrawal request message received from an ATM(350) into a transfer request for transferring a withdrawal amount from a user account to a managed account and transmits a transfer request message to a bank host(360). A withdrawal approval processor(320) converts a transfer request message received from the host into a withdrawal approval message and transmits the withdrawal approval message to the ATM. A withdrawal processor(330) transfers the same amount as the withdrawal amount from the managed account to the account of an ATM installer when transfer corresponding to the transfer approval message is performed. A defrayment compensator(340) receives the amount of transfer money corresponding to the transfer approval message of yesterday from the host by using a management agency account.
Patent KR-20090010392-A (KR)
Title: Apparatus for spraying of plural solutions
Inventor: KIM HYUNG TAE
IPC: C25D17/00
Filed: 2007-07-23
Abstract: A multi-solution spraying device is provided to prevent stripes from forming on the strip, and reduce the quiescent time, thereby promptly perform a plating operation by performing a temperature control operation of a strip and a cleaning operation of a deflector roll efficiently and uniformly. A multi-solution spraying device comprises a case member(20) and spray pipes(40). The case member has jet orifices(22) formed therein. A plurality of spray pipes are arranged side to side within the case member. The spray pipes has one or more nozzles(42) longitudinally formed thereon. The spray pipes are formed to be rotatable centering around a shaft such that the nozzles of the spray pipes are successively corresponded to the jet orifices to selectively spray a plurality of solutions.
Patent KR-20090013846-A (KR)
Title: 결제정보,본문결제정보 이용한 정상정보 할인정보 세금정보 추가정보 시스템 및 방법.
Inventor: KWON SOON TAE
IPC: G06Q30/02
Filed: 2007-07-31
Abstract: 본 발명은 서버(20) 데이터베이스(281) 등록한 사용자 등록회원은 고유정보 가지며   단말기정보 전자화폐  신용카드 전자카드 USB전자화폐  중 적어도 어느 하나 이상 포함된 사용자 단말기(10-1, 10-2, 10-n) 중  어느 하나 이상 단말기(10-1)는  본문정보 중 적어도 어느 하나 이상 포함된 본문결제정보 본문정보 정상금액정보 할인금액정보 추가금액정보 중 적어도 어느 하나 이상 포함하고 본문정보 기부정보, 보험정보, 복권정보, 투자정보, 감면정보, 대행정보, 대납정보, 할인정보, 창업정보 중 어느 하나 이상 포함된 본문정보,본문결제정보, 단말기정보 중 어느 하나 이상 포함된 정보 송신하고 서버(20) 제어부(201)는  본문정보, 본문결제정보, 단말기정보 중 적어도 어느 하나 이상 포함된 정보 수신하고  본문정보 본문결제정보 중 어느 하나 이상 포함된 정보 대한 응답본문정보, 배당 배상 정보, 회원등록된 회원 간에 상부상조정보 중 어느 하나 이상 포함된 정보 서버(20) 제어부(201)는 송신하고 단말기(10-1) 제어부(101)는 수신하는 시스템 및 방법이다.
Patent KR-20090015572-A (KR)
Title: Image forming apparatus and cleaning device thereof
Inventor: YOO BYOUNG HO
IPC: G03G15/04
Filed: 2007-08-09
Abstract: An image forming apparatus removing a foreign substance adhered to inner parts and a cleaning apparatus equipped with the same are provided to conveniently clean the inner parts without a separate driving source. An image forming apparatus including a laser scanning unit comprises a main body frame, a main body, and a compression air supply unit(110). The main body has a movable body which relatively moves for the main body frame. The compression air supply unit compresses air by operating with the movement of the movable body, and supplies the compressed air to the laser scanning unit in order to clean the laser scanning unit.
Patent KR-20090015605-A (KR)
Title: Digital temperature controller
Inventor: LEE SOK SANG
IPC: H05B1/02
Filed: 2007-08-09
Abstract: A digital temperature controller is provided to visually confirm a malfunction of electric heating appliances, such as an electric mat, an electric mattress, an electric jade mat, an electricity fomentation device. A temperature value or an operating time is input into an input unit(110). A power supply unit(120) converts domestic AC into DC. A color lighting-emitting unit(130) independently or dependently emits R, G, and B colors. An amplitude modulating signal and a setting current are applied to the color lighting-emitting unit through three connection lines. A microcontroller(140) changes the colors of the color lighting-emitting unit. An electric heating appliance connector(150) connects an electric heating appliance to the microcontroller.
Patent KR-20090017234-A (KR)
Title: Radio frequency identification reader
Inventor: KIM NAM YUN
IPC: H04B5/02
Filed: 2007-08-14
Abstract: A radio frequency identification reader is provided to separate a signal used as tag energy among signals transmitted between the reader and a tag, thereby smoothly providing tag energy. A controller(160) comprises a signal processing unit and a signal separating unit(164). The signal processing unit(162) processes a signal according timing standards. The signal separating unit separates and transmits partial frequency signals of a tag signal interval and frequency signal of a reader signal interval among the processed signal. The first mixer(196) generates an energy signal by using the separated partial frequency signal. The second mixer(192) generates a data signal by using a frequency signal of the separated reader signal interval. The first oscillation circuit(204) provides the first frequency signal to the first mixer. The second oscillator circuit(202) provides the secondary frequency signal to the second mixer.
Patent KR-20070100669-A (KR)
Inventor: I GWANG SEOK
IPC: A23L2/38
Filed: 2007-08-14
Abstract: A system for producing beverage through electrolysis using regenerated energy is provided to reduce the cost by using unlimited natural eco-friendly regenerated energy and to obtain high-purity beverage from the sea water. A system for producing drinking water through electrolysis using regenerated energy comprises the steps of: generating electricity(DC) by using regenerated energy(1) including tide power, wave power, wind power and regenerated solar energy, supplying the electricity to a sea water electrolysis unit(5), or generating electricity(AC) by using the same energy, converting the AC to DC and carrying out electrolysis of the sea water; providing oxygen(6) and salt(7) as byproducts; separating and collecting hydrogen(9) generated by the electrolysis and supplying the hydrogen to a reformer(8) so that the hydrogen reacts with the ambient oxygen to generate electricity, which, in turn, is supplied to the sea water electrolysis unit to improve the electrolysis capacity; and providing drinking water upon the generation of electrolysis through the reaction of the hydrogen and the ambient oxygen.
Patent KR-20090024999-A (KR)
Title: Practice apparatus for writings and practice system for writings based on the web
Inventor: JO BYEONG HUN
IPC: G06Q50/20
Filed: 2007-09-05
Abstract: A practice apparatus for writing and a practice system for writing based on a web are provided to convert and output parts of words comprising a sentence into a component display sentence expressed by an upper subscript or a lower subscript, thereby enabling each word of a sentence to have a visual difference. A controller(130) of a sentence practice apparatus(100) mounts a sentence study module existing in a form of software. The sentence study module comprises a normal sentence suggesting unit(131), a component determining unit(132), a sentence converting unit(133) and a component answer comparator(134). A normal sentence suggesting unit suggests a normal sentence. The component determining unit determines components of words comprising a normal sentence according to manipulation of a manipulation unit(110).
Patent KR-20090027991-A (KR)
Title: Plasma reactor for diesel particulate filter trap and apparatus for soot reduction using the same
Inventor: HONG YONG CHEOL
IPC: F01N3/00
Filed: 2007-09-13
Abstract: A plasma reactor for a diesel particulate filter trap and a smoke reducing device using the same are provided to oxidize particulate filtered in a diesel particulate filter trap by heating exhaust gas with a plasma reactor and flame. A smoke reducing device using a plasma reactor for a diesel particulate filter trap comprises: a waveguide(70) transmitting high frequency oscillated in a high-frequency oscillator(60); a discharge tube(110) in which the high frequency and vortex gas are flowed; a discharge tube supporter(80) used as a ground electrode part; a high voltage electrode(90) flowing plasma into the discharge tube; a fuel supply part(120) supplying the fuel to the plasma generated from the high voltage electrode and the radio-frequency plasma; and a fuel supply supporter(74) providing the flame exit of the plasma fuel generated in the radio-frequency plasma and the fuel supplied from the fuel supply part.
Patent KR-20090028345-A (KR)
Title: Method for thin metal film depositing gas spray and thin metal film depositing gas spray apparatus
Inventor: KIM IL HO
IPC: C23C16/455
Filed: 2007-09-14
Abstract: A gas injection device and method for thin metal film deposition are provided to spray gas uniformly by supplying insulation layer source gas in addition to metal source gas. A gas injection device for thin metal film deposition, which corrects the defective part of a substrate(S) by irradiating laser beam, includes a fourth layer(400) which is positioned under a heating portion formed on the top in order to heat a chamber(70) and has an optical window(410) in the center, a third layer(300) which is positioned under the fourth layer and provided with purifying gas through the central part, a second layer(200) which is positioned under the third layer and provided with source gas for metal and insulation layers through the central part, and a first layer(100) which is positioned under the second layer apart from the substrate.
Patent KR-20090029353-A (KR)
Title: Measuring apparatus and method for viscosity variation of engine oil by torsional vibration
Inventor: KIM JIN OH
IPC: G01N27/02
Filed: 2007-09-18
Abstract: A torsional vibration type engine oil viscosity variation measuring system is provided to reduce the length of an oscillation rod by contacting the end of the oscillation rod in oil. A torsional vibration type engine oil viscosity variation measuring system comprises: a piezoelectric ceramic(12) in which a sine wave signal of the specific frequency generated in an oscillator is delivered and which generates torsional vibration; a mass body(13) lowering the frequency of the vibration generated in the piezoelectric ceramic into the constant frequency; an oscillation rod(10) which receives oscillation from the piezoelectric ceramic and is contacted to an engine oil(18); and a fastening unit joining the piezoelectric ceramic in the oscillation rod.
Patent KR-20090029502-A (KR)
Inventor: GO YOUNG SIK
IPC: C10L11/00
Filed: 2007-09-18
Abstract: 본체부와 이 본체부와 구분되는 착화부를 가지며, 공기 구멍이 형성되고, 하면에 굴곡이 있는 것을 특징으로 하는 성형탄이 개시된다. 공기 구멍은 바람직하게는 착화부와 본체부 전체에 걸쳐 일관되는 수직 방향으로 관통되는 공기 구멍이며, 공기 구멍의 적어도 일부는 하면 굴곡의 오목한 부분에 입구가 오도록 형성될 수 있다. 
       
     성형탄, 착화부, 공기 구멍, 하면 굴곡,
Patent KR-20090032348-A (KR)
Title: 수위감지센서
Inventor: LEE IN TAK
IPC: G01F23/30
Filed: 2007-09-27
Abstract: 수위를 감지하기 위한 수위감지센서가 개시된다. 개시된 발명은 수조의 벽면에 밀폐되게 고정되는 삽입부를 구비하며, 삽입부에서 연장되며 내부에 공간이 형성된 스템, 스템의 내부에 구비되어 자력의 변화를 감지하는 자기센서 및 스템에 회전되게 결합되어 스템의 선단부에 접근하거나 멀어지게 회전되며, 자기센서에 대해 자력의 변화를 발생시키는 자석이 구비된 플로터를 포함한다. 이와 같은 발명은 플로터가 수조의 내부에서 수위에 따라 회전되고, 플로터의 자석이 자기센서에 접근됨으로써 자기센서에 의해 수위의 감지가 용이하고, 플로터의 컴팩트한 작동범위를 제공하며, 수조의 어느 위치에서도 플로터가 용이하게 작동되어 수조에서 배치가 용이한 이점을 얻을 수 있다. 
       
     스템, 자기센서, 플로터, 자석, 인쇄회로기판
Patent KR-20090035118-A (KR)
Title: Polyolefin fiber and a method for preparation of the same
Inventor: KWAK DONG HUN
IPC: D01F6/46
Filed: 2007-10-05
Abstract: A method for preparation of polyolefin fiber is provided to offer superior sharpness of a pattern and a point when performing a thermal point bonding process and a thermal embossing process. Polyolefin fiber includes a 0.2~5.0 weight% of a hydrophilic additive and 05~3.00 weight% of titanium dioxide inside. The polyolefin fiber is radiated to combination of a deformed section type and a circular section type or a circular section type, an X type, a Y type, a delta type, an ellipse, a diamond type etc. Spin finish includes 70~85 weight% of a non-ionic surfactant selected from a group consisting of polyethylenepolypropylene glycol mono butyl ether, polyoxyethylene sorbitan trioleid, 5~15 weight% of a negative ion antistatic agent, and 5~15 weight% of non-silicon defoamer.
Patent KR-20080067561-A (KR)
Title: Pedestal heater block of cvd
Inventor: KIM HYOUNG MIN
IPC: H01L21/205
Filed: 2007-10-12
Abstract: A pedestal heater block for chemical vapor deposition is provided to reduce process errors and to lengthen a lifetime of a heater block by preventing leakage and improving disconnection of a heater. A substrate is loaded on a surface of a base block(110). A connective path connected to a gas hole is formed in the base block. A vacuum pipe(160) is coupled with the base block and includes a protrusive part coupled with a groove part of the base block to absorb the substrate. A gas supply pipe(170) is connected to the connective path of the base block and includes a protrusive part coupled with the groove part of the base block. A temperature sensor pipe(180) is connected to the base block separated from the gas supply pipe. A sheath heater(150) is positioned at a heater loading groove of the base block to couple a heater cover with a contact part of the heater loading groove.
Patent KR-20090041018-A (KR)
Title: Survey method and system
Inventor: MUN SEONG HWAN
IPC: G06Q50/10
Filed: 2007-10-23
Abstract: A survey method and a system thereof for transmitting contents for a question survey by using an MMS are provided to increase understandability about the question survey of the survey researcher by transmitting video contents to a user terminal. A user terminal(100) receives contents for a question survey. Search answer data is input from a user during contents execution for the question survey. A mobile questionnaire server(300) transmits the contents for the question survey from the user terminal by analyzing question investigate answer data received from the user terminal. The contents for the question survey are transmitted from the mobile question survey server to the user terminal through the multimedia message service. The question survey require-message and call back URL are transmitted from the user terminal. The user terminal connects to the callback URL. The contents for the question survey are transmitted to the user terminal.
Patent KR-20080051041-A (KR)
Title: System for transmitting/receiving multiview panoramic contents for increasing transmitting efficency and its method
Inventor: LEE IN JAE
IPC: H04N13/00
Filed: 2007-10-23
Abstract: A system and a method for transmitting and receiving the multi-view point panoramic contents in order to enhance the transmission efficiency are provided to define the multi-view point contents obtained from a camera as each object and to offer only the contents requested by a user at real time. An encoding member(311) encodes the multi-view point panoramic contents. A scene producing member(312) defines the encoded contents as each object descriptor, produces a scene binary format stream and an IOD(Initial Object Descriptor) and produces a scene by means of the corresponding image stream adjacent to the request view point from a user. A packetizer packets the image stream, object descriptor stream, and scene binary format stream from the scene producing member. A multiplexing member(314) multiplexes the packetized image stream, object descriptor stream and scene binary format stream with the IOD produced by the scene producing member and transmits the multiplexed data.
Patent KR-20090044392-A (KR)
Inventor: CHOI DEOK KEUN
IPC: B01D46/00
Filed: 2007-10-31
Abstract: 본 발명은 모래와 시멘트의 혼합물을 사이로동체에 저장할 때 생기는 분진을 필터링하는 필터백을 자동으로 탈진할 수 있는 집진기 및 이를 이용한 사이로장치에 관한 것이다.
Patent KR-20080079981-A (KR)
Title: Revetment block
Inventor: OKAMOTO HIROSHI
IPC: E02B3/14
Filed: 2007-11-13
Abstract: A revetment block is provided to connect adjacent revetment blocks strongly and to expect sufficient stability against lift. A revetment block(1) includes a groove(2) formed on one end of a main body, and two projections(3a,3b) formed on other ends, wherein the projections are projected toward the right and left directions of the main body, and the groove is formed to make the center line parallel to the projecting direction of the projections, opened toward the right and left directions of the main body and formed in a structure opened upward between two facing joints(2a,2b). The revetment block is connected with the adjacent block by a connector.
Patent KR-20090049305-A (KR)
Inventor: HWANG SEUNG YEOB
IPC: H04W52/04
Filed: 2007-11-13
Abstract: 본 발명에서는 냉동컨테이너의 전원플러그가 접속되는 리셉터클 박스내에 별도의 전류/접점 검출전송기를 설치하거나 또는 전류/접점 검출전송기가 내장된 별도의 리셉터클 박스를 냉동컨테이너의 전원공급라인상에 접속되게 설치하여 리셉터클 박스 내의 배선용 차단기(NFB:No Fuse Breaker)가 "ON"으로 유지되고 있는 상태에서 배선용 차단기와 연결된 배선용 전선에 흐르는 냉동기 부하전류를 검출하여 데이터값으로 출력·전송할 수 있도록 하고, 전송된 데이터값을 근거로 중앙감시실내의 컴퓨터 및 모니터에서는 냉동컨테이너별로 경보상태에 따라 색상이 변화되어 디스플레이되도록 함으로써 야적장이나 운반선에 적치된 냉동컨테이너별 정상작동 여부를 정확히 파악하여 즉각적으로 대처할 수 있도록 함과 동시에 냉동컨테이너 감시장비의 설치비용을 낮출 수 있도록 한 새로운 냉동컨테이너의 전원 및 부하 감시시스템이 개시된다. 
     본 발명은 야적장이나 운반선에 적치된 각 냉동컨테이너의 전원플러그를 접속하기 위한 콘센트를 구비한 리셉터클 박스내의 배선용 차단기(NFB)와 연결된 배선용 전선에 조합결선되어 그 전선을 통하여 흐르는 전류의 레벨을 검출하여 출력하는 전류검출센서와; 상기 리셉터클 박스내에서 배선용 차단기의 차단스위치 및 전류검출센서와 전기적으로 연결되도록 설치되어 차단스위치가 ON-OFF 상태와 미리 설정된 최저 전류의 레벨 유무 및 최고 전류의 레벨 유무에 대한 세가지 데이터값을 출력하는 전류/접점 검출전송기와; 신호제어반에 설치되고, 리셉터클 박스내에  설치된 상기 전류/접점 검출전송기와 유무선 통신으로 연결된 상태에서 상기 전류/접점 검출전송기로부터 전송된 냉동컨테이너별 최저 전류의 흐름 여부 및 최고 전류의 흐름 여부에 대한 데이터값을 수집하는 복수의 데이터수집/전송기와; 상기 신호제어반에 설치되고, 상기 전류/접점 검출전송기 및 데이터수집/전송기와 전기적으로 연결된 상태에서 외부로부터 인가되는 440V 교류전압을 24V 직류전압으로 변환하여 전류/접점 검출전송기 및 데이터수집/전송기에 작동전원으로 인가하는 전원공급장치와; 중앙감시실에서 상기 데이터수집/전송기와 유무선 통신으로 연결되도록 설치된 상태에서 감시대상 냉동컨테이너에 해당되는 리셉터클 박스를 미리 설정된 프로그램에 따라 적치상태별로 구획된 베이(Bay)화면으로 생성하여 디스플레이되도록 함과 동시에, 데이터수집/전송기로부터 전송되는 데이터값을 근거로 하여 차단스위치가 "ON"인 상태에서 미리 설정된 최저 전류가 연속적으로 흐르지 않으면 해당 냉동컨테이너의 냉동제어기에 전원이 공급되지 않는 것으로 판단하고, 미리 설정된 최고 전류가 주기적으로 흐르지 않으면 해당 냉동컨테이너의 냉동기 컴프레서가 작동하지 않는 것으로 판단하여 냉동컨테이너별로 경보상태에 따라 색상이 변화되어 디스플레이되도록 하는 컴퓨터 및 모니터를 포함한다.    
     
     냉동컨테이너, 냉동제어기, 냉동기 컴프레서, 부하전류, 전류/접점 검출전송기, 모니터.
Patent KR-20090051875-A (KR)
Inventor: SHIN SOON HEE
IPC: G03B21/14
Filed: 2007-11-20
Abstract: 본 발명은 프로젝터로부터 발생되는 광과 주변 온도를 감지하여 프로젝터가 가열되는 것을 방지하기 위한 프로젝터 과열 방지 시스템 및 그 방법에 관한 것이다. 
     천정에 구비된 하우징으로 승·하강 되는 하우징 케이스 내에 장착되며 영상을 출력하는 프로젝터의 과열을 방지하기 위한 시스템에 있어서, 상기 프로젝터의 과열 방지 시스템은,  상기 프로젝터로부터 출력되는 광의 세기를 감지하는 광 감지부; 하우징 상단부와 상기 프로젝터와의 거리를 감지하는 위치 감지부; 상기 프로젝터의 주변 온도를 감지하는 온도 감지부; 및 상기 광 감지부, 위치 감지부 및 온도 감지부와 연결되고, 상기 감지부 중 어느 하나 이상의 감지부에서 기 설정된 기준값 이상의 변화를 감지할 경우 상기 프로젝터의 동작을 종료시키는 중앙 처리부; 를 포함하여, 상기 프로젝터로부터 발생되는 광과 프로젝터 내부발열에 의해 상승된 온도를 감지하여 기 설정된 시간 및 온도 이상일 경우 프로젝터를 강제 종료시킴으로써 프로젝터가 과열되는 것을 방지할 수 있는 효과가 있다. 
       
     프로젝터, 리프터, 광, 온도, 과열, 화재, 센서
Patent KR-20090052489-A (KR)
Inventor: LEE SANG DOUK
IPC: H04M11/00
Filed: 2007-11-21
Abstract: 본 발명은 음성 통화를 위한 통화회로와, 영상을 수신하는 영상회로를 각각 구비한 로비폰과 비디오폰 간의 쌍방향 음성 및 화상 통화를 위한 장치에 있어서, 상기 통화회로는, 트랜스포머를 거쳐 제1 UTP(Unshield Twisted Pair) 1P를 통해 음성 신호를 송수신하도록 연결되며, 상기 영상 회로는, 영상 입력을 위해, 카메라 모듈과 후단의 차동 영상 출력부의 임피던스를 매칭하는 제1 임피던스 정합회로와, 상기 제1 임피던스 정합회로와 접속되어 차동 영상 신호를 출력하여 제2 UTP 1P를 통해 상대측으로 전송하는 차동 영상 출력부를 구비하고, 영상 출력을 위해, 상대측의 상기 차동 영상 출력부의 차동 영상 신호를 제3 UTP 1P를 통해 입력받아 원 신호로 복원하는 연산증폭기와, 상기 연산 증폭기에 접속되어 원하는 신호를 필터링하는 패스필터부와, 상기 패스필터부에 접속되어 손실을 보상하는 손실보상 연산증폭기와, 상기 손실보상 연산증폭기에 접속되어 상기 손실보상 연산증폭기와 후단의 LCD 모듈간의 임피던스를 매칭하는 제2 임피던스 정합회로 및, 상기 제2 임피던스 정합회로에 접속되어 디지털 영상 신호를 입력받아 디스플레이하는 LCD 모듈을 구비하는 로비폰과 비디오폰 간의 쌍방향 음성 및 화상 통화를 위한 장치를 제공한다. 
       
      로비폰, 비디오폰, 화상 통신