baber/WOPTO huggingface dataset:
Patent KR-20000064018-A (KR)
Filed: 2000-01-27
Abstract: 본 발명은 종래의 오토바이 장난감의 디자인이나 개념에서 벗어나 장난감으로서의 주행성을 추구하여 종래에 없는 타입의 2륜주행체를 제공하는 것이다. 2륜주행체 1이 전륜 5 및 후륜 7과, 전륜 및 후륜의 양쪽을 구동하는 모터 9와, 전륜 및 후륜의 차축을 잇는 선보다도 중심이 낮은 위치에 있는, 모터를 구동시키기 위한 전지 11을 갖춘다. 후륜은 후륜구동계를 매개로 하여 모터에 의해 구동되고, 전륜은 구동전달 벨트 또는 구동전달 샤프트(shaft)를 매개로 하여 후륜으로부터 구동력을 받아 구동된다. 2륜주행체 1로부터 스테이(stay)를 매개로 하여 수평 또는 경사진 아래쪽으로 뻗는 보조 바퀴 33, 37을 갖추고 있어도 무방하다.
Patent KR-20000076578-A (KR)
Title: 라디오 컨트롤 헬리콥터
IPC: A63H30/04
Filed: 2000-02-01
Abstract: (과제) 
     스워쉬 플레이트를 조종기측에서의 조작에 대응하여 동작시킨다. 
     (해결수단) 
     밑변과 높이가 같은 이등변 삼각형을 기초로 그 각부(角部)에 각각 제어점 (A,B,C)을 설치하고, 각 제어점(A,B,C)을 각각 서보장치에 연결한다.  또, 이등변 삼각형의 높이 중앙에 대하여 회전축(2)의 축선(Z)상에 배치되어 각 제어점 (A,B,C)이 이루는 면을 축선(Z)에 따른 슬라이딩동작 및 축선(Z)에 대한 경사동작을 행하는 가동점(O)을 설치한다.  때문에 축선(X) 또는 축선(Y)을 중심으로하여 각 제어점(A,B,C)으로 되는 면을 경사시킬 경우, 각 제어점(A,B,C)에서 가동점(O)까지의 거리가 같아져서 가동점(O)을 중심으로하여 각 제어점(A,B,C)을 같은 양으로 이동시키기가 가능하게 되고, 가동점(O)이 축선(Z)에 따라 슬라이딩하는 다른 조작이 혼재하지 않게 된다. 이 때문에 조종기측에서의 조작에 의한 서보장치의 작동량에 대응하여 라디오 컨트롤 헬리콥터의 비행동작을 행하게 할수 있다.
Patent KR-20010077580-A (KR)
Title: Globe for a lamp
Inventor: KIM YONG SUN
IPC: F21V3/02
Filed: 2000-02-03
Abstract: PURPOSE: A lamp globe is provided to reduce a number of manufacturing process, reduce manufacturing costs, achieve an easy forming process, improve efficiency in work and enable mass production. CONSTITUTION: A globe is fixed on a support to protect a lamp. The globe is divided into two semicircular globes. A lower globe(10) has a coupling end part which is inserted into the support. An upper globe(10b) is inserted into the lower globe by a coupling unit. A plurality of latch ends(14) are formed on an upper circumferential surface of the lower globe. A plurality of jaws(16) are formed on a lower circumferential surface of the upper globe(10b). The coupling unit includes the plurality of latch ends(14) and the plurality of jaws(16). A plurality of grooves may be formed on the upper circumferential surface of the lower globe. A plurality of protrusions may be formed on the lower circumferential surface of the upper globe.
Patent KR-20000062533-A (KR)
Title: 경로 지시를 정보 기기에 전송 및 전달하기 위한 방법 및시스템
IPC: H04M3/533
Filed: 2000-02-09
Abstract: 요구된 경로 지시를 사용자의 페이저나 음성 메일 시스템에 제공하는 방법 및 시스템은 원하는 방향을 정의하는 지리적 양지점을 수용하는 인터넷 기반의 서버와 사용자의 페이저 혹은 음성 메일 정보를 포함한다.  상기 서버는 방향을 결정하기 위해 매핑 데이터베이스에 상기 양지점을 사용하여 질문한다.  그 다음에, 상기 서버는 페이징 시스템과 페이저에나, 사용자에 의해 확인된 음성 메일박스에 상기 방향을 형식화하고 전송한다.
Patent KR-20010086638-A (KR)
Inventor: HAN DAE HYEON
IPC: H01J29/70
Filed: 2000-02-21
Abstract: PURPOSE: A deflection yoke is provided to achieve an improved reliability of CRT by correcting geometric distortion of the screen in a stable manner. CONSTITUTION: A deflection yoke comprises a coil separator(11) including a neck portion(11a) and a screen portion(11b), and which insulates a vertical deflection coil and a horizontal deflection coil disposed outside and inside of the coil separator; a correction unit(100) arranged inside of the coil separator so as to correct geometric distortion of the screen; and a ferrite core disposed outside of the coil separator so as to reinforce magnetic field. The correction unit includes guide rails extended to four sites to face each other centering from the neck portion of the coil separator, and which have insertion holes formed inside of each of the guide rail; and a correction piece to be selectively inserted into each of guide rails so as to correct magnetic field generated from the vertical deflection coil and the horizontal deflection coil.
Patent KR-20010084313-A (KR)
Title: food ordering apparatus and a method
Inventor: KANG BYEONG SU
Filed: 2000-02-24
Abstract: PURPOSE: An apparatus and method for ordering foods using a cook broadcasting on the Internet is provided to increase the convenience of a user by enabling the user to receive a cook lecture through an Internet broadcasting, and by enabling the user to directly order materials of food and to cook the food through the broadcasting. CONSTITUTION: The first to the n-th video camera(20a-20n) photograph courses of different cook and outputs a video signal. Mikes(10a-10n) converts a voice signal into an electric signal and outputs the signal converted. A voice and a video storage unit(50,60) store video signals and voice signals passed through the first and the second analog/digital converter(30,40). A screen processing unit(70) divides and outputs composite video signals outputted from the voice and the video storage unit(50,60). A controller(90) controls that the signal outputted from the screen processing unit(70) is transmitted to a user's terminal(350) through an Internet network(200). In addition, the controller(90) judges whether ordered cook data and addresses inputted from the user's terminal(350). A data input unit(80) inputs data for controlling an operation of whole system.
Patent KR-20010087559-A (KR)
Title: Negative active material for lithium secondary battery and method of preparing same
Inventor: CHOI WAN UK
IPC: H01M4/02
Filed: 2000-03-07
Abstract: PURPOSE: Provided is a cathode active material for a lithium secondary cell, which contains a catalyst element or compound and a metal carbide, therefore, which is excellent in high ratio charge and discharge property and cycle lifetime property. CONSTITUTION: The cathode active material comprises: 50-99.9 weight of a crystalline carbon core(A); 0.1-50 weight of a quasi-crystalline carbon shell(B) formed on the core(A), which contains the element or the compound, having graphitized catalyst effect and being capable of modifying surrounding carbon structure, and the carbide of the element and has turbostratic structure and half onion sheath, wherein the compound comprises at least two different elements, and the element is selected from the group consisting of a transition metal, an alkali metal, an alkali earth metal, a 3A group, a 3B group, a 4A group, a 4B group semimetal, a 5A group, a 5B group, a lanthanide, and an actinide.
Patent KR-20010006769-A (KR)
Inventor: TAKADA SHUICHI
IPC: H03K5/00
Filed: 2000-03-10
Abstract: PURPOSE: To generate a multiplication output by no feedback control without using a low pass filter. CONSTITUTION: A reference signal Fin1 and its inverted signal Fin2, for example, are propagated in two delay circuits 11 and 13 where plural delay elements 111 to 11n and 131 to 13n which can switch delay time to two stage by a control signal are cascaded. Outputs of delay circuits 11 and 13 are added by an addition circuit 14 to obtain a multiplied output Fout of the reference signal Fin1.
Patent KR-20000062944-A (KR)
Title: 공구 홀더 및 공구 홀더 장착 장치
IPC: B23B31/117
Filed: 2000-03-17
Abstract: 본 발명은 홀더 본체(2)의 섕크부(3) 전방에 설치한 플랜지부(4)의 후단부와 섕크부(3)에 끼운 테이퍼 콘(taper cone)의 전단면 사이에 탄성 부재(7)를 개재시키고, 상기 콘(8)의 후단면을 섕크부(3)에 스토퍼 부재(9)로 지지한 공구 홀더에 있어서, 후방으로 직경이 작아지는 상기 콘(8)의 외주를 스핀들(20)의 테이퍼 공(taper hole)(21) 내주면(21a)의 테이퍼와 동등한 각도로 하고, 상기 콘(8) 내주면과 섕크부(3) 외주면의 테이퍼를 서로 동등한 각도이며 상기 콘(8)의 외주 테이퍼보다 완만한 각도로 후방의 직경이 작아지도록 하고, 홀더 본체(2)의 인입(引入)에 의해 상기 콘(8)의 직경이 확대되어 이것의 외주면을 테이퍼 공(21) 내주면에 강하게 지지할 수 있도록 하여, 인입력이 작아도 공작 기계의 스핀들(20)에 강하게 지지할 수 있어 고정밀도의 절삭 가공이 가능한 공구 홀더를 제공한다. 
     또 공작 기계의 주축(110)의 테이퍼 공(111)에, 파지용(把持用) 플랜지부(115)를 가지는 공구 홀더(113)의 테이퍼 섕크부(114)를 삽입하고, 풀 스터드 인입 기구(112)에 의해 테이퍼 섕크부(114)를 테이퍼 공(111)에 단단히 끼워 넣어 공구 홀더(113)를 축(110)에 장착하며 또한 주축(110)의 단면과 이것에 대향하는 플랜지부(115)의 단면(152) 사이에 공업 규격으로 정해진 소정의 간극이 형성되도록 한 공구 홀더 장착 장치에 있어서, 주축(110) 단면(101)의 플랜지부(115) 단면(152)과 대향하는 개소에, 소정의 간극 ± 제작 오차에 상당하는 두께의 링형의 스페이서(117)를 층형의 접착제(118)에 의해 접착하도록 함으로써, 인입력이 작아도 공작 기계의 스핀들(120)에 강하게 지지할 수 있어 고정밀도의 절삭 가공이 가능한 공구 홀더를 제공한다.
Patent KR-20010094886-A (KR)
Title: Manufacturing method of phosphor screen for cathode ray tube
Inventor: JI SEONG HUN
IPC: H01J9/20
Filed: 2000-04-07
Abstract: PURPOSE: A method is provided to achieve a high resolution by reducing screen pitch, while allowing the effective picture area to be constituted by a sequence of R,G,B fluorescent film stripes. CONSTITUTION: A method comprises the first step of forming a photosensitive resin film at the inner surface of a face panel(8); the second step of mounting a shadow mask to the face panel in Q-value extended by integer multiplication; the third step of allowing the photosensitive resin film to be exposed and solidified by controlling an ultraviolet path in such a manner that the ultraviolet light radiated from an exposure light source passes through a beam passage aperture formed at the shadow mask, and becomes same with the electron beam path or reaches beyond one screen pitch; the fourth step of isolating the face panel from the shadow mask, and developing and removing unsolidified photosensitive resin film ; the fifth step of coating graphite slurry at the inner surface of the face panel, etching and high-pressure developing the resultant structure, so as to thereby form a black matrix film(4); and the sixth step of coating fluorescent film slurry to the inner surface of the face panel, and repeatedly performing fluorescent film slurry exposure and development processes with respect to G,B,R fluorescent films, by controlling an ultraviolet path in such a manner that the ultraviolet light radiated from an exposure light source passes through a beam passage aperture formed at the shadow mask, and becomes same with the electron beam path or reaches beyond one screen pitch.
Patent KR-20010095905-A (KR)
Title: System for showing moving-pictures in the subway
Inventor: CHOI HEE SEOK
IPC: G09F11/00
Filed: 2000-04-12
Abstract: PURPOSE: A system for materializing a moving picture in an underground pathway by using a pulse method is provided to use an unnecessary space, an underground pathway practically by installing advertisements of the moving pictures and to improve the effect of purchasing. CONSTITUTION: The system for materializing the moving picture in the underground pathway by using the pulse method includes continuous pictures(10) and a subway(100). The continuous pictures of a little different contents are installed in a dark underground space in the optimum condition of the size of the moving pictures, the changing quantities of the contents and the visibility range etc. In case that the pictures are seen as the pulse type to the passengers, they look the moving pictures. Thereby the dark underground spaces are used practically and the passengers don't spend time tediously because they can watch the advertisements.
Patent KR-20000049593-A (KR)
Inventor: KIM KUK
Filed: 2000-04-15
Abstract: PURPOSE: A fund agent system based on a network is provided to measure customer's interest rates for works by researching customer's interests to make databases for the customer's interests, before starting the works manufactured and published afterwards. CONSTITUTION: A fund agent system based on a network comprises a first database(20), a second database(30), a fund fostering server(40), and many users personal computers(PCs)(50). The first database stores information on manufacturing/publishing works. The second database stores users managing information and fund managing information. The fund fostering server supplies the information of the first database to customers, and receives customers interests to update the second database. The users PCs request the customers to input the customers interests for the works stored in the first database. The fund agent system probes into the customers interests before manufacturing and publishing the works, and extracts works capable of fostering funds.
Patent KR-20010096012-A (KR)
Inventor: NO DAE JUNG
IPC: G06F17/30
Filed: 2000-04-15
Abstract: PURPOSE: A system for offering personal information of member through e-mail and an operating method of the same are provided to offer personal information of a member promptly through an e-mail by appointing a search word and a search condition for searching the member automatically. CONSTITUTION: A first process creates a database of information about searching person and searched person. A second process appoints a specific search condition, compares personal information of a new member with conditional information of an existing member, and compares the personal information of the existing member with the conditional information of the new member. A third process offers a mailing service. A fourth process sends an e-mail to the member correspondent to the conditional information. A fifth process modifies the database.
Patent KR-20010097176-A (KR)
Inventor: CHOI EUN HWA
IPC: B01D53/52
Filed: 2000-04-20
Abstract: 본 발명은 고온에서 황화수소를 제거하기 위한 탈황제 및 이의 제조방법에 관한 것으로, 
     MnCO 3 55-80중량, Mn Ore 75-100중량, Fe 2 O 3 20중량, TiO 2 20중량, 벤토나이트 5중량로 이루어지는 황화수소 제거용 탈황제 및 이의 제조방법에 관한 것이다. 
     본 발명의 탈황제는 고온에서 우수한 황화수소 제거효과가 있다.
Patent KR-20010098249-A (KR)
Inventor: KIM WOONG HEE
Filed: 2000-04-29
Abstract: 본 발명은 회원과 운영자 사이에서 각종 게임, 이벤트, 설문 조사 등에 관한 반응정보를 운영자에게 제공하여 각종 이벤트에 있는 경품 또는 사이버머니를 회원이 가질수 있고 이 사이버머니는 신용카드가맹점에서 현금화하여 통장에 입금할 수 있으며 광고주와 운영자 사이에서는 다차원적인 각종 의사결정을 할 수 있는 회원에 대한 실시간 통계 자료를 제공하여 이벤트 및 게임 발생기를 이용하여 원하는 광고 기법에 관한 것이다. 
     시스템 개념은 광고주를 위한 실시간 각종 정보 피드백 프로그램과 이벤트 발생기 및 광고 게임 발생기의 프로그램과 회원 반응 클라이언트 프로그램과 광고주의 의사결정 전문가 시스템으로 구성되며, 비효율적인 배너광고의 수를 줄이고 다양한 회원의 개성에 알맞은 광고를 광고주는 회원에게 제공할 수 있으며 홈페이지의 구성을 간단하게 하여 인터넷을 주 광고 수단으로 적극 활용하는데 중점을 두고 게임 및 이벤트 행사라는 매개체를 이용하여 정적이 아닌 동적광고로서의 가치를 가지며 이용자와 광고주간의 중간 매개체 역할을 담당함으로 각종 반응 정보에 따른 고객 반응지수 검색 및 응용에 뛰어난 효과가 있다.
Patent KR-20010020905-A (KR)
Title: Semiconductor device and method of fabricating the same
Inventor: NAGANO YOSHIHISA
IPC: H01L23/522
Filed: 2000-05-26
Abstract: PURPOSE: A semiconductor device and a method for manufacturing thereof are provided to prevent a degradation of properties of capacitors by using a capacitor insulating film composed of an insulating metal oxide film. CONSTITUTION: A protective insulating film(106) is deposited over first and second field oxide transistors formed on a semiconductor substrate(100). A capacitor composed of a capacitor lower electrode(109), a capacitor insulating film(110A) composed of an insulating metal oxide film, and a capacitor upper electrode(111) is formed on the protective insulating film(106). A first contact plug(107) formed in the protective insulating film provides a direct connection between the capacitor lower electrode and an impurity diffusion layer(105) of the first field effect transistor. A second contact plug(108) formed in the protective insulating film provides a direct connection between the capacitor upper electrode and the impurity diffusion layer(105) of the second field effect transistor.
Patent KR-20010107288-A (KR)
Inventor: CHOI SU YEONG
IPC: G03F7/004
Filed: 2000-05-26
Abstract: 본 발명은 감광성기를 갖는 스틸바졸리움 염(SbQ 또는 SbQ-A염)과 폴리비닐알콜[Poly (vinyl alcohol) ; PVA]을 반응시켜 수용성 감광성 수지(PVA-SbQ)를 제조하는 방법에 관한 것으로서, 종래의 액체산 대신에 고체상태의 양이온 교환수지를 산촉매로 사용함으로써 감광성 수지의 합성효율을 증가시키고 최종제품의 순도를 향상시킬 수 있다.
Patent KR-20010090689-A (KR)
Title: Foot fan
Inventor: YU INN MAN
IPC: F04D25/08
Filed: 2000-06-02
Abstract: PURPOSE: An electric fan for feet is provided to maintain feet and the lower part of the body cool by blowing wind from the bottom part upwardly and improve the health by providing acupressure treatment and massage effect to feet of a user by additionally mounting acupressure elements. CONSTITUTION: An electric fan for feet includes a frame(1), a foot plate(2) supported on the frame with a predetermined inclination(7) for putting on feet, a blowing hole(3) for sending wind upwardly from the bottom of the foot plate, a blowing fan(5) mounted below the foot plate to be driven by a motor(4), ventilation holes(6) formed in the frame for introducing wind into the frame, a guide tube(8) mounted below the foot plate, traverse rods(11) mounted in the blowing hole traversely and attached to the foot plate at both ends, and rotation acupressure elements(12) mounted around some traverse rods(11a) for acupressure treatment for the feet.
Patent KR-20010111136-A (KR)
Inventor: KIM HYEON SEOK
Filed: 2000-06-08
Abstract: 차량용 흡음재료를 제작하기 이전에, 흡음성능을 최적으로 튜닝한 후에 제작할 수 있도록 하는 적층 흡음재료 튜닝용 시험장치를 제공할 목적으로, 
     잔향실 바닥에 장착되어 그 상부면에 흡음부재를 안착시키는 베이스 플레이트와; 상기 베이스 플레이트의 양측부에 롤러 브라켓을 통하여 상하로 장착되는 양측 상,하부 롤러와; 상기 양측 상,하부 롤러 사이에서 상기 흡음부재의 상부면에 밀착되어 설치되는 상,하부 표면부재와; 상기 양측 상,하부 롤러 사이에서 베이스 플레이트에 장착되어 상,하부 표면부재를 슬라이드 가능한 정도로만 밀착시켜 주는 좌,우측 조임바아와; 상기 양측 상,하부 롤러중 어느 한쪽의 롤러와 회전축을 통하여 연결되어 회전력을 전달하는 상,하부 스텝 모터를 포함하여 이루어지는 적층 흡음재료 튜닝용 시험장치를 제공한다.
Patent KR-20020005842-A (KR)
Title: A Supporting Cap Of Paper Pipe With Fitting Portion
Inventor: HA MAN HO
IPC: B31C1/04
Filed: 2000-07-10
Abstract: PURPOSE: A reinforcing element for a branch pipe having fitting parts is provided to prevent the deformation due to the winding load of the branch pipe and the slippage due to a speed difference between the branch pipe and the reinforcing element. CONSTITUTION: A reinforcing element for a branch pipe having fitting parts includes a cylindrical reinforcing part(20) to be inserted into an inner diameter of a branch pipe, a flange(40) formed at an end of the reinforcing part, and a plurality of first and second fitting parts(50,60) cut at a part of the flange and folded toward an end of the branch pipe, wherein the reinforcing part has an end retracted to be easily inserted into the inner diameter of the branch pipe and formed with a groove(30) along the periphery of the end, and the first and second fitting parts are respectively cut in the peripheral direction and the radial direction of the flange disposed alternately.
Patent KR-20000059122-A (KR)
Inventor: NO JIN NAM
IPC: G06Q50/00
Filed: 2000-07-12
Abstract: PURPOSE: An internet graduation album and an internet historical center are to provide albums and historical materials lively twenty four hours through the internet. CONSTITUTION: Breaking from the old manufacturing trend of book form or CD ROM form, motion picture oriented graduation albums and historical materials are provided on the internet. Users can access the internet, regardless of time and space, at any time and anywhere to search their graduation albums or historical materials and update their personal variation data for themselves. Also, the users can search recent condition for their alumni through the internet graduation album.
Patent KR-20000059134-A (KR)
Inventor: GO SEOG IL
IPC: A63B37/00
Filed: 2000-07-15
Abstract: PURPOSE: Provided is a golf business which makes the golf actions on the surface of the water possible by hitting a golf ball toward the surface of the water and which can collect the used balls to reuse the balls without any loss. CONSTITUTION: A golf business uses a golf ball which floats on the water so that a golfer can hit the ball toward the surface of water at rivers, lakes and seashores. The golf ball hit by the golfer floats the water and is collected and reused to prevent the loss of balls and environmental damage.
Patent KR-20020007557-A (KR)
Title: Methods and appliances for facilitating installation and setup of progrsms
Inventor: YU CHOON YEOL
IPC: G06F9/46
Filed: 2000-07-18
Abstract: PURPOSE: A device and a method for facilitating an application program installation is provided to make a client install the application program by downloading the data and file from a program managing server storing a history of the application program installation record, a configuration file and a source of the application program. CONSTITUTION: As the application programs are installed to a PC(1), the installed application programs are recorded to a certain file. The records include a location of the installed application program in a disk drive/folder, the kinds of files, the setting content of the installed application program. The records are stored and maintained in a remote server(3) on a network. In addition to the records, the source of the application program such as a CD-ROM, an FTP(File Transfer Protocol) and a web site is additionally recorded and the application program is integrally managed by the remote server.
Patent KR-20020008548-A (KR)
Title: Spent Fuel Cask Lid Handling Tool
Inventor: BANG GYEONG SIK
IPC: G21F5/06
Filed: 2000-07-21
Abstract: PURPOSE: A spent fuel cast lid handling tool is provided to increase a handling safety for cover of after-use nuclear fuel transport container by enhancing the convenience of a coupling process of a cover, increasing a visual field during the process and optimizing its functions. CONSTITUTION: A pulling-up ring coupling unit(10) couples lid pulling-up ring of a nuclear fuel cast positioned in a loading pit to open/close a lid using an I-bolt type pulling-up ring in an after-use nuclear fuel transport container. A connection pipe member(20) connects the pulling-up ring coupling unit(10) to top of the surface of the water in the loading pit through an inner pipe and an external body pipe. A crane connection and open/close member(40) is connected with a bridge crane positioned on top of the loading pit, and operates the pulling-up ring coupling unit(10) through the use of the connection pipe member(20).
Patent KR-20020008339-A (KR)
Title: offset voltage blanking circuit
Inventor: SHIN SEUNG JO
IPC: H03F1/32
Filed: 2000-07-22
Abstract: PURPOSE: An offset voltage eliminating circuit is provided to make an input voltage be transferred to a noninverting input terminal without passing of a capacitor, by connecting a load capacitor even when storing an offset voltage. CONSTITUTION: The first switch(22) is connected between an output node of an operational amplifier(21) and a noninverting input node thereof, and is switched on/off according to the first waveform(pi 1) inputted via an input voltage(Vin). A capacitor(25) is connected between noninverting and inverting input nodes of the operational amplifier, and stores an offset voltage. The second switch(23) is connected between the output node of an operational amplifier(21) and a positive node of the capacitor(25), and is switched on/off according to the first waveform(pi 1) inputted via the input voltage(Vin). The third switch(24) is connected between the positive node of the capacitor(25) and the input node of the operational amplifier(21), and is switched on/off according to an inverted version of the second waveform. A load capacitor(26) is connected to the output node of the operational amplifier.
Patent KR-20020010306-A (KR)
Title: Transistor and a method for manufacturing the same
Inventor: JANG SANG HWAN
IPC: H01L29/788
Filed: 2000-07-29
Abstract: PURPOSE: A transistor is provided to control generation of hot carriers by having an electrical induced lightly doped drain(EILDD) structure so that an electrical field is weakened by an N-type inversion channel region electrically induced by a floating gate, and to simplify a manufacturing process by omitting an N-type impurity ion implantation process for forming a junction region of an LDD structure. CONSTITUTION: The first and second floating gates(14a,14b) are formed on a semiconductor substrate(11), separated from each other and electrically separated from the semiconductor substrate by the first gate oxide layer. A control gate(17a) is formed on the first and second floating gate, electrically separated from the semiconductor substrate, the first floating gate and the second floating gate by the second gate oxide layer. The junction region is formed in the semiconductor substrate at both sides of the control gate.
Patent KR-20020014143-A (KR)
Title: Mobile communication phone attachable and detachable of accessory
Inventor: LEE HYEON MUK
IPC: H04B1/38
Filed: 2000-08-16
Abstract: PURPOSE: An exterior accessory detachable mobile phone is provided to diversify functions of a mobile phone by detachably attaching an exterior accessory having a vibration function, a speaker function and a radio function at the bottom of a mobile phone. CONSTITUTION: A main body(10) includes various electronic parts and an antenna installed at one upper portion. A cover(20) is coupled by a hinge at both lower sides of the body(10) and opens a key as a user opens and closes it. A display unit(30) inputs a phone number according to a depression manipulation of a key and displays an operation state. An exterior accessory(40) formed detachably at the bottom of the body of a mobile phone and has a stereo speaker, a headphone function, an earjack function, a speaker phone function, a vibration function, a radio function and an external power input function.