baber/WOPTO huggingface dataset:
Patent KR-20060119077-A (KR)
Title: Portable communication equipment for having iris recognition function
Inventor: PARK KANG RYOUNG
IPC: H04B1/38
Filed: 2005-05-18
Abstract: A portable communication terminal with an iris recognition function is provided to take a picture of an iris image by using a single camera, thereby taking, storing, and reproducing a general image as conducting user registration and authentication based on iris recognition. A picture-taking device comprises as follows. A filter unit(31) is divided into an infrared transmission filter and an infrared blocking filter, and is equipped with a motor connector in a lower section. A motor(32) is driven by a particular key signal of a portable communication terminal(30), and has a lead screw shaft which moves the filter unit(31) to right/left directions as rotating in forward/reverse directions by being coupled with the motor connector. A camera(33) takes a picture of a user's iris through the infrared transmission filter, and takes a general image through the infrared blocking filter. A lamp(34) lights up infrared and visible rays simultaneously.
Patent KR-20060048072-A (KR)
Inventor: OBARA TADAHIRO
IPC: G11C11/401
Filed: 2005-05-24
Abstract: 본 발명은 반도체집적 회로장치에 관한 것으로서 CMOS 센스앰프가 한쌍의 입출력노드에 프리챠지 전압을 공급하는 한쌍으로 이루어지는 프리챠지 MOSFET를 설치해 상기 한쌍의 입출력노드를 선택스윗치 MOSFET을 개재하여 상보 비트선쌍과 접속시켜 상기 상보 비트선쌍간에 이퀄라이즈 시키는 제 1 이퀄라이즈 MOSFET를 설치해 상기 상보 비트선쌍의 한쪽과 그것과 교차하는 워드선과의 사이에 메모리 셀을 설치해 상기 선택스윗치 MOSFET 및 제 1 이퀄라이즈 MOSFET의 게이트 절연막을 제 1 막두께로 구성해 상기 프리챠지 MOSFET의 게이트 절연막을 상기 제 1 막두께보다 얇은 제 2 막두께로 구성해 상기 프리챠지 MOSFET에는 전원 전압에 대응한 프리챠지 신호를 공급하고 상기 제 1 이퀄라이즈 MOSFET 및 선택스윗치 MOSFET에는 승압전압에 대응한 이퀄라이즈 신호 및 선택 신호를 공급하여 동작의 고속화와 저소비 전력화를 실현한 DRAM를 제공하는 기술을 제공한다.
Patent KR-20060124466-A (KR)
Title: Vitamin beverage including of fermented soybeans and preparation method of thereof
Inventor: PARK DUK GYU
IPC: A23L2/52
Filed: 2005-05-31
Abstract: Provided is a vitamin drink containing fermented soybeans, which allows a user to take essential vitamins simultaneously with fermented soybean having multiple health-aid functions. The vitamin drink comprises fermented soybeans in an amount of 5-20 wt% based on the weight of the vitamin drink. The vitamin includes a water soluble vitamin. Particularly, the vitamin contained in the drink is vitamin C. The vitamin drink is obtained by adding fermented soybeans during the preparation of the vitamin drink.
Patent KR-20060125932-A (KR)
Title: Shopping mall unity system
Inventor: CHO DAL HYUN
IPC: G06Q30/06
Filed: 2005-06-01
Abstract: A system for integrating shopping malls is provided to offer the shopping mall to a user wanting to operate the shopping mall at a low shopping mall making/operation cost, and enable a shopping mall operator to easily change a business category and receive a commission by inducing/selling goods registered to other shopping malls. A shopping mall generating module generates a shopping mall by gathering members if the desired shopping mall is selected by a shopping mall client(3). A shopping mall cloning module unlimitedly generates the shopping mall having the same design and goods kind. A domain connection module connects the shopping malls selected by the shopping mall operator. A shopping mall operator module enables the shopping mall operator to perform goods, member, transaction, category, domain, and shopping mall design management of the selected shopping mall. An entire member managing module enables an integrated shopping mall system client(4) to manage the members. A category generating module provides the categories provided from the integrated shopping mall system and generates the new category requested from the shopping mall operator.
Patent KR-20060130380-A (KR)
Title: Apparatus for amplifing power
Inventor: LEE DONG WOO
IPC: H03F3/20
Filed: 2005-06-14
Abstract: A power amplifying apparatus is provided to extract a distorted component generated from one power amplifier and offset a distorted signal generated from other power amplifier by using the distorted component, thereby supplying high linearity and efficiency. A first signal separating unit(300) separates an input signal into plural signals. A first power amplifier(310) amplifies a first signal of the first signal separating unit. A distorted component extracting unit extracts a distorted component generated from the first power amplifier. A power amplifying unit has the same power amplifier as the first power amplifier. A modulation unit modulates the distorted component input to the power amplifying unit and a phase of a third signal separated from a second signal of the first signal separating unit. A composition unit composites signals output from the first power amplifier and the power amplifying unit.
Patent KR-20060132204-A (KR)
Title: Dish washer and self cleaning method thereof
Inventor: LEE JANG WOO
IPC: A47L15/46
Filed: 2005-06-17
Abstract: A dishwasher and a self cleaning method thereof are provided to clean the dishwasher quickly and efficiently by generating ionized water with an ion generator, and to improve satisfaction by restricting bacteria propagation and stink in the dishwasher. A control unit decides performance of a self-cleaning mode(S100), and discharges remaining water of a washing chamber by turning on a drain pump with performing the self-cleaning mode(S110). Water is supplied by turning on a feed valve(S120), and alkali or acid ion water is generated by operating an ion water generator in applying direct current power to the ion water generator(S130). The ion concentration of ionized water in a water collecting unit is detected(S140), and compared with the predetermined value(S150). The ion concentration is increased in case of ion concentration to be less than the predetermined value, and the ionized water is injected to the washing chamber by operating a circulation pump in case of the ion concentration to be more than the predetermined value(S160).
Patent KR-20060132388-A (KR)
Title: Gel state beauty articles composed of natural mineral and fabricating method of the same
Inventor: HWANG IN SOO
IPC: A61K8/19
Filed: 2005-06-18
Abstract: A gel type beauty article is provided to maintain own characteristic of natural mineral without causing any side products when being used. And a method for preparing thereof is provided to be able to prevent environmental contamination. The gel type beauty article consists of 33-41 wt.% of pure loess or pure mud, 4-7 wt.% of sericite, 5-6 wt.% of elvan, 7.5-8.5 wt.% of clinoptilolite, 1.5-2.5 wt.% of germanium and 36-48wt.% of loess water. Each particle size of the loess, mud, sericite, elvan, clinoptilolite and germanium is 325-1500 mesh.
Patent KR-20060133627-A (KR)
Title: Method for emitting static electricity on mobile communication terminal and the mobile communication terminal for executing the method
Inventor: PARK JONG CHUL
IPC: H04B1/40
Filed: 2005-06-21
Abstract: A method for discharging static electricity and a mobile terminal for performing the same are provided to previously inform a user about a possible generation of static electricity so that the user can move a mobile terminal to a position where static electrical can be discharged to the exterior. A humidity sensor(110) measures humidity. A sensing unit(120) checks whether humidity measured by the humidity sensor(110) is lower than a reference value. A display unit(130) displays a static electricity notification message when humidity is lower than the reference value. A static electricity discharging unit(150) receives an input of discharging static electricity from a user and discharges static electricity. A vibration unit(140) outputs vibration to inform about sensed static electricity when humidity is lower than the reference value.
Patent KR-20060133676-A (KR)
Title: Method for extracting singular and core point of fingerprint image using ridge direction
Inventor: YOO SEUNG SIK
IPC: G06K9/00
Filed: 2005-06-21
Abstract: A method for extracting a singular and core point of a fingerprint image using ridge direction information is provided to extract the core point from the fingerprint image by utilizing connection information of a ridge search start/end point through trace of a ridge included in a specific distance after determining a ridge direction. The obtained fingerprint image is divided into multiple blocks(S10). A ridge thickness of each block is presumed(S20). A ridge structure of the fingerprint image is enhanced by filtering the fingerprint image(S20). The enhanced fingerprint image is divided into the blocks and the ridge direction is found for a pixel of each block(S40). Relationship of the ridges is calculated in a specific size of a block area among the ridge direction marked fingerprint image(S50). The singular point of the fingerprint image is extracted from ridge relationship information(S60). Flow of each ridge is traced in the specific distance by using ridge thickness information presumed in the specific area centering on the singular point(S70). A reference point is fixed in the area, and an angle between the start and end point of each ridge flow traced by centering on the reference point(S80).
Patent KR-20060135264-A (KR)
Title: Organic electrolytic solution and lithium battery employing the same
Inventor: LEE SEOK SOO
IPC: H01M10/05
Filed: 2005-06-24
Abstract: Provided are an organic electrolyte solution, and a lithium battery containing the organic electrolyte solution which is improved in charge/discharge efficiency and lifetime by inhibiting the reductive decomposition reaction of a polar solvent. The organic electrolyte solution comprises a lithium salt; an organic solvent which comprises a solvent having a high dielectric constant and a solvent having a low viscosity; and a compound represented by the formula 1, wherein X is O or S; n and m are independently an integer of 1-3; and R1, R2, R3 and R4 are independently H, a halogen atom, a hydroxyl group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C1-C20 alkenyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C2-C30 heteroaryl group, or a substituted or unsubstituted C2-C30 heteroaryloxy group.
Patent KR-20070001574-A (KR)
Title: Rro calculating method of hard disk drive, rro compensation value calculating method using the same and recording media therefore
Inventor: OH DONG HO
IPC: G11B21/08
Filed: 2005-06-29
Abstract: An RRO(Repeatable RunOut) calculation method of an HDD(Hard Disk Drive), an RRO compensation value calculation method using the RRO calculation method, and recording media appropriate therefor are provided to calculate RRO having a sufficient degree of accuracy with 1 rotation only of a disk, thereby minimizing time for calculating the RRO and an RRO compensation value in a manufacturing process of the HDD. A PES(Position Error Signal) sampled on a target track while a head follows the target track is analyzed in a frequency domain, and frequency coefficients indicative of RRO are calculated(S302-S306). The RRO is calculated by the frequency coefficients indicative of the RRO(S308-S312). When the frequency coefficients are calculated, the frequency coefficients are obtained by performing recursive analysis for N or more than N PES samples.
Patent KR-20070004252-A (KR)
Title: Three-dimensional character cookie (bread and cookie type) mold production method
Inventor: PARK JUN HO
IPC: A21C11/00
Filed: 2005-07-04
Abstract: A method of making a mold for producing confectioneries, breads and cookies with shape of three-dimensional character by using kaolin for white porcelain is provided. The method enables expression of three dimensional and detailed portion of the character on the food products and increases the useful period of time of the mold by use of kaolin for white porcelain. A jig is made to have the shape of a three-dimensional character and filled with silicon to complete an external mold which is poured with paraffin wax to replicate the model. The completed paraffin mold is filled with kaolin for white porcelain or finished with hands to give a basic external mold. Thereafter, the basic external mold is dried and first biscuit fired at 800deg.C in a kiln to melt the paraffin mold; and the first biscuit fired basic external mold is thinly applied with a glaze and then re-fired at 1,300deg.C.
Patent KR-20070006096-A (KR)
Title: Planar display device for colorful text
Inventor: KIM JIN TAE
IPC: G02F1/335
Filed: 2005-07-07
Abstract: A flat display device for multi-color display is provided to display various colors having various wavelengths, by using a grid coupler to couple a white horizontal light into a vertical light having various wavelengths. A light emitting element(102) is configured to generate a light having various wavelengths. An optical waveguide(106) is coupled with one side of the light emitting element, and advances the light in a horizontal direction. A grid coupler(108) is disposed vertically on an upper surface of the optical waveguide. The grid coupler couples the light advancing in the horizontal direction into a vertical light having various wavelengths, and outputs the vertical light.
Patent KR-20070009071-A (KR)
Title: The method for ascertaining a received information of failed call of mobile phone on internet
Inventor: AN IN CHAN
IPC: H04M3/42
Filed: 2005-07-15
Abstract: A method for servicing information about an absent call, coming into a portable phone, on the Internet is provided to enable a reception server to create a database for a phone number of a caller and a voice message recorded by the caller and provide the received information in real time to service subscribers connected to it, so that the subscriber can check the received information on the Internet at a low cost without carrying a special portable phone for a roaming service, and transmit text and voice messages to the other party or communicate with the other party by using an Internet phone. A method for servicing information about an absent call, coming into a portable phone, on the Internet comprises the following steps of: giving a temporary user identification number to a customer, storing the user identification number in a web server, and registering the user identification number in a call forwarding data server of a mobile communication service provider through auto dialing by an ARS(Automatic Response Service) registration server; forwarding a call, coming into a portable terminal of the customer, by using the temporary user identification number registered in the call forwarding data server, and then connecting the call to a reception server; creating a database for a phone number of a caller and for a voice message, recorded by the caller, by using the connected call; and providing the database in real time to service subscribers connected to the server.
Patent KR-20050088942-A (KR)
Inventor: KANG MOON SOO
IPC: H04W92/14
Filed: 2005-07-19
Abstract: 본 발명은 무선 네트워크 시스템에서의 패킷 전송 기술에 관한 것으로, TCP 송신자로 애크 정보가 수신되면 애크 정보에서 타임스탬프를 읽어 들인 후 TCP 송신자에서 관리되는 패킷의 전송 성공 여부 대기 패킷 리스트에서 리스트 아이템 정보를 순차적으로 추출하는 제 1 단계와, 추출되는 리스트 아이템 정보가 널 포인트인지를 판단하고 추출되는 리스트 아이템 정보가 널 포인트가 아니면 그 리스트 아이템 정보 중의 하나인 패킷의 전송 시간과 애크의 전송 시간(타임스탬프)을 비교하는 제 2 단계와, 현재 패킷 전송 시간이 애크 전송 시간보다 크면 제 2 단계로 피드백하는 제 3 단계와, 현재 패킷 전송 시간이 애크 전송 시간보다 작거나 같으면 '전송 성공 여부 대기 패킷 리스트 아이템' 내의 패킷 시퀀스 넘버를 확인하고 시퀀스 넘버가 애크 정보의 시퀀스 넘버에 포함되는지를 판단하는 제 4 단계와, '전송 성공 여부 대기 패킷 리스트 아이템'의 패킷 시퀀스 넘버가 애크 정보에 포함되면 전송 성공 여부 대기 패킷 리스트에서 현재 패킷 정보를 표시하는 리스트 아이템을 제거하는 제 5 단계와, 전송 성공 여부 대기 패킷 리스트 아이템의 시퀀스 넘버가 애크 정보에 포함되지 않으면 전송 성공 여부 대기 패킷 리스트 아이템의 DUP 카운트 값을 1씩 증가시키는 제 6 단계와, 현재 카운트 되는 DUP 카운트 값이 기설정 값에 도달하면 패킷 손실로 결정하여 전송 성공 여부 대기 패킷 리스트에서 손실 패킷 리스트로 패킷 정보를 위치시키는 제 7 단계와, 손실 패킷 리스트를 TCP 수신자로 재전송하고 전송조건이 만족되면 새로운 패킷을 TCP 수신자로 전송하는 제 8 단계를 포함한다.  본 발명에 의하면, 복수 개의 패킷 손실에 대해 동시 복구가 가능하기 때문에 무선 네트워크의 성능을 현저히 향상시킬 수 있다.
Patent KR-20070013879-A (KR)
Title: Method for makeing a call of condolence remotely
Inventor: KIM GEUN SIK
IPC: G06Q50/10
Filed: 2005-07-27
Abstract: A method for remote condolence is provided to enable all offline condolers to know a condolence situation of online condolers, enable the condolers to express condolence while reducing a communication charge and removing distance limit by informing the condolers of condolence information through the on/offline. An operation server issues an account according to a request of a chief mourner and assigns a mortuary homepage based on obituary information provided from the chief mourner(523). A condoler client is connected to the mortuary homepage by referring to mortuary homepage address information included in the obituary information provided from the chief mourner through the on/offline. A condoler client makes and transmits a condolence message to the operation server. The operation server receives the condolence message, and displays the received condolence message to a display unit installed to the mortuary or a condoler room assigned to the chief mourner.
Patent KR-20060106578-A (KR)
Inventor: SIM SANG MAN
IPC: G08G1/04
Filed: 2005-08-18
Abstract: 본 발명은 차로에 대한 레이더 검지시 도로로부터 반사된 신호를 각 차선별로 구분하기 위한 차선구분신호를 발생하는 차선구분신호 발생장치, 차선구분신호 발생 방법, 도로로부터 반사된 신호를 각 차선별로 구분하는 수신신호의 차선구분장치 및 차선구분방법에 관한 것이다. 본 발명에 따르면, 차선구분신호를 발생할 때, 도로 환경에 대한 소정 파라미터를 기초로 도로의 차선 폭에 해당하는 해상도 계수를 산출하여, 소정의 주파수 신호와 상기 해상도 계수를 기초로 차선구분신호인 M-SEQ 신호 생성을 위한 M-SEQ 동기화 주파수를 생성하고, 상기 M-SEQ 동기화 주파수를 기초로 상기 M-SEQ신호를 발생한다. 또, 도로로부터 반사된 신호를 각 차선별로 구분할 때, 도로 환경에 대한 소정 파라미터에 기초하여 산출된 도로 차선폭에 해당하는 해상도 계수를 기초로 생성된 M-SEQ신호의 기준신호인 M-REF신호를 생성하고, 수신신호를 상기 M-REF신호와 비교하여 각 차선별로 구분한다. 따라서, 실제 도로의 다양한 차선 폭에 해당하는 레이더 해상도를 갖는 차선구분신호를 정확하게 생성할 수 있고, 갓길이나 중앙 분리대의 존재 여부와 그 폭 또는 차선의 다양한 폭에 관계없이 정확하게 차선을 구분할 수 있도록 차선구분신호를 도로에 일치시킬 수 있다. 그리고 수신된 신호를 각 차선별로 정확히 구분할 수 있으므로, 다차로 상의 교통흐름을 보다 효과적으로 제어할 수 있다
Patent KR-20050090104-A (KR)
Inventor: KIM DUK HOAN
IPC: A23P1/08
Filed: 2005-08-22
Abstract: 본 발명은 김밥을 제조시 김밥을 둥근 막대형으로 마는 기계에 관한 것이다. 본 발명에 있어서 본 발명의 바람직한 실시 예를 나타낸 도1, 도2, 도3, 도4에서와 같이 양쪽 가이드레일(10)에 볼붓싱을 매개로 결합 이동되는 브라켓(8)에 고정된 하부롤링로라(3), 브라켓(8)에 고정된 공급대(2), 하부롤링로라(3)와 적당한 거리를 두고 써포터(6-1), 홀더(6-2)에 의해 하부롤링로라 브라켓 지지대(8-2)에 고정되어 하부롤링로라(1)와 일체가 되어 이동되게 한 보조장력로라(6), 보조장력로라와 하부롤링로라 사이에 양쪽 가이드레일(10)에 볼붓싱을 매개로 결합 이동되는 브라켓(7)에 고정되고, 스프링(9)에 의해 보조장력로라(6) 쪽으로 밀착되어진 장력로라(5), 및 그 주변 부속이 일체가 되어 이동되게 왕복운동부를 구성한다. 이와 같이 구성한 왕복운동부는 양측에 설치된 가이드레일(10)의 안내에 따라 모터(14)의 회전력을 스크류(12)와 넛트(11)를 이용하여 직선운동으로 바꿔 넛트(11)에 연결된 왕복운동부가 수평 직선 운동하도록 구성한다. 
     또한 상하이동부는 본 발명의 바람직한 실시 예를 나타낸 도1, 도2, 도5에서와 같이 모터(28)의 회전력을 모터체인기어(28-1)로 중간 아이들체인기어(23-1)를 거처 상부롤링로라(1) 축에 부설된 체인기어(1-2)를 통하여 상부롤링로라(1)에 전달하고, 또한 모터(27)의 회전력을 상하스크류(26)와 상하넛트(25)를 이용 직선운동으로 바꿔 상하넛트(25)가 자유로이 회전각을 조정되도록 결합된 넛트홀더(24)를 통해 써포터(21)에 직선운동을 전달하여 써포터(21)가 지지대(22)에 지지되어 시이소오 운동하게 하고, 그리하여 써포터(21) 다른 끝 부분에 부설된 상부롤링로라(1)가 상하운동할 수 있게 상하운동부를 구성한다. 
     또한 롤링벨트(4)는 본 발명의 바람직한 실시예를 나타낸 도1, 도2에서와 같이 한쪽 끝을 왕복운동부 브라켓(8)의 지지대(8-1)의 롤링벨트 연결부에 연결하고 롤링벨트(4)가 장력로라(5) 밑에서 보조장력로라(6)와의 사이를 통과하고 장력로라(5)를 감으며 180도 회전 후 하부롤링로라(3) 윗부분을 지나 공급대(2) 위를 지나 상부롤링로라(1)의 롤링벨트(4)연결부에 연결시킨 구조의 김밥 마는 기계로써 롤링벨트(4)의 공급대(2) 위를 지나는 부분에 별도의 기계 장치에 의하거나, 사람이 수 작업으로 본 발명의 바람직한 실시예를 보인 도6에서와 같이 김(41)을 놓고, 김 위에 밥(42)을 적당히 펼치고, 밥 위에 김밥속(43)을 얹은 후 기계를 작동시키면 왕복운동부가 전진을 시작하여 김 위의 밥이 상부롤링로라(1) 밑을 통과할 때 가변센서(35)의 감지에 의하여 상부롤링로라(1)가 정회전 시작과 동시에 급속 하강하면 상부롤링로라(1)에 한쪽 끝이 고정된 롤링벨트(4)가 도7에서와 같이 김과 밥을 둥글게 감싸는 형태가 되며, 이때 상부롤링로라(1)는 계속 회전하며 롤링벨트(4)를 감고 왕복운동하는 공급대(2)도 전진하여 김밥의 롤링이 시작되고, 하부롤링로라(3)가 상부롤링로라(1) 밑에 위치할 때 센서(32)의 감지에 의하여 왕복운동부의 전진 운동이 멈춰지며, 이때도 상부롤링로라는 계속 회전하며 롤링벨트를 감을 때 왕복운동부의 전진이 멈췄으므로 롤링벨트가 당겨지고 이 당겨지는 힘에 의하여 장력로라(5)가 하부롤링로라 쪽으로 이동되어지면 장력로라와 하부롤링로라 사이에 설치된 스프링(9)에 의하여 장력로라(5)에 작용되는 반발력에 의해 롤링벨트에 장력이 발생하고 이 장력에 의하여 김밥이 단단히 말리게 되고, 장력로라가 하부롤링로라쪽으로 일정 거리 이상 가까워지면 센서(36)의 감지에 의하여 상부롤링로라가 역회전하여 롤링벨트를 풀고 동시에 상승하여 말린 김밥을 배출하며 상승이 완료되면 센서(34)의 감지에 의해 왕복운동부의 후진이 시작되어 센서(31)의 감지에 의해 후진은 종료되고 센서(37)의 감지에 의해 항상 일정한 각도에서 상부롤링로라(1)의 역회전이 멈춰지게 되므로써 1행정이 끝나는 김밥을 마는 기계에 관한 것이다.
Patent KR-20070025629-A (KR)
Title: Method and apparatus for forming an image of xhtml(extensible hypertext markup language)-print data
Inventor: YUN TAE JUNG
IPC: G06F3/12
Filed: 2005-09-03
Abstract: A method and a system for forming an image of XHTML(eXtensible HyperText Markup Language)-print data are provided to form an image by transmitting web contents from one electronic device searching the web contents to another electronic device networked to the image forming device. The first and second electronic devices(100,200) form the network, and the second electronic device forms the network with the image forming device(300). The first electronic device includes an XHTML-print data generator(110) generating the XHTML-print data and the first data transmitter(120) transmitting the generated XHTML-print data to the second electronic device. The second electronic device transmits the received XHTML-print data to the image forming device and the image forming device forms the image of the received XHTML-print data. The second electronic device includes an image forming device checker(210) checking whether the image forming device is present within coverage to transmit the generated XHTML-print data and the second data transmitter(220).
Patent KR-20070029940-A (KR)
Title: Color display apparatus using light path change and full color image making method thereof
Inventor: YEO IN JAE
IPC: H04N9/31
Filed: 2005-09-12
Abstract: A color display device using the change of an optical path and a full color image generation method are provided to have considerable saving effect in the entire material cost by reducing two panels through an 1 panel type using one optical modulator element in comparison with a 3 panel type color display device and simplifying an optical system. An optical system(610) includes a red light source(612), a green light source(614), and a blue light source(616), and irradiates a basic three color beam disposed so that a red beam, a green beam, and a blue beam are not simultaneously and spatially overlapped. An optical path changing device having an optical transmission cube(630) and an actuator(640) generates a change three color beam, spatially disposed again after optical paths of the red beam, the green beam, and the blue beam are changed, from the basic three color beam according to an optical path control signal. An optical modulator element(650) modulates the change three color beam according to an optical modulator control signal, and generates a diffraction beam. A galvano scanner(670) scans and projects the diffraction beam irradiated from the optical modulator element(650) on a screen(690) according to a scanner control signal. An image control circuit(700) transmits the optical path control signal, the optical modulator control signal, and the scanner control signal to the optical path changing device, the optical modulator element(650), and the galvano scanner(670) in response to image information of a frame to be expressed on the screen(690).
Patent KR-20070030047-A (KR)
Title: Metallic pattern for manufacturing prism sheet and method for manufacturing the same
Inventor: KIM JOONG HYUN
IPC: G02F1/1335
Filed: 2005-09-12
Abstract: A metal pattern for manufacturing a prism sheet and a method for manufacturing the metal pattern are provided to easily manufacture a metal pattern for manufacturing a prism sheet having a diffusing function and a condensing function, by forming a fine pattern for diffusing light on the prism sheet. A metal plate is prepared(S510). The metal plate is coated with a solder containing tin(S520). The metal plate and the solder are heat-treated at a predetermined temperature during a predetermined time, thereby forming a fine pattern between the metal plate and the solder(S530). The solder is selectively removed from the metal plate where the fine pattern is formed(S540). The formation of the solder is performed by coating the metal plate with a solder of powder type, and then melting the solder.