baber/WOPTO huggingface dataset:
Patent KR-20040088706-A (KR)
Inventor: CHO MIN CHEOL
IPC: C04B22/00
Filed: 2003-04-10
Abstract: PURPOSE: A yellow soil-fiber composition for a cement mortar admixture, its preparation method and a cement mortar using the composition are provided, to improve compression strength and bending strength and to reduce cost. CONSTITUTION: The yellow soil-fiber composition comprises 100 parts by weight of yellow soil, 1-15 parts by weight of rice straw, and 10-40 parts by weight of water. The method comprises the steps of adding yellow soil, rice straw and water to a mixer and stirring the mixture for about 60 sec; pouring the mixture into a mold and compressing it; calcining the molded one; and pulverizing the calcined mixture. Preferably the compression is carried out with a pressure of 50-500 kgf/cm2 and the calcination is carried out at a temperature of 400-1,200 deg.C for 30-60 min.
Patent KR-20040095062-A (KR)
Inventor: KANG SEONG GUN
IPC: H01L41/22
Filed: 2003-05-06
Abstract: PURPOSE: A sample, an apparatus, and a method for measuring a piezoelectric transverse coefficient of a PZT piezoelectric layer are provided to measure accurately the piezoelectric transverse coefficient and obtain comparative data about various piezoelectric materials by providing an improved structure of the sample. CONSTITUTION: A sample for measuring a piezoelectric transverse coefficient of a PZT piezoelectric layer includes a lower electrode deposited on a substrate, a piezoelectric layer having a lower electrode opening formed on the lower electrode, and an upper electrode(60) and a fixing part formed on the piezoelectric layer. The upper electrode is formed on the fixing part without using a connection part.
Patent KR-20040098852-A (KR)
Inventor: KIM DO YEONG
IPC: H04N21/40
Filed: 2003-05-16
Abstract: PURPOSE: A screen display method during a channel conversion of digital television and a device thereof are provided to realize a screen conversion effect by using screens of a currently captured channel and a next channel, so that a user can feel that the channel is more naturally changed without any standby time. CONSTITUTION: A system receives a TS(Transport Stream)-type broadcasting signal(310), and checks whether a channel conversion request is produced from a user by inputting channel up/down/channel numbers(320). If so, the system captures a current channel or collects additional information(330). The system tunes a channel desired by the user from the current channel(340), and captures a screen from the tuned channel or collects additional information(350). The system displays a screen conversion effect by combining or processing screens of the current channel and a next channel(360). When a decoding process for audio and video of a channel to be changed is completed(370), the system cancels a channel conversion effect, and displays a broadcasting signal of the channel(380).
Patent KR-20040105125-A (KR)
Inventor: CHOI DONG GUK
IPC: G09G5/00
Filed: 2003-06-05
Abstract: PURPOSE: A monitor control unit for vehicle AV(Audio and Visual) system to express an image and a control function to a monitor is provided to perform various kinds of control operations and enhance a degree of freedom of a display by using a video overlay board. CONSTITUTION: A monitor(34,35) is installed at a dashboard or a console box in order to display video signals of a TV, a navigation system, a DVD player, and an RVC device according to an input of a control key. A video processor(25) is installed at a local bus of a CPU in order to perform a control operation for displaying the video signals according to a control signal of the CPU. A keyboard(27,28) is used for selecting a video function and a control function. A video overlay board(30) is used for outputting the video signals to a monitor switching and muxing the video signals according to a key signal of the keyboard. An MCU(29) is used for controlling the video overlay board according to the key signal of the keyboard.
Patent KR-20040106097-A (KR)
Inventor: KIM HEUNG SEOP
IPC: C04B38/00
Filed: 2003-06-10
Abstract: PURPOSE: Provided is a method for lipophilizing porous silica gel for mechanical uses such as impact attenuators by lipophilizing hydrophilic groups on the particle surface of silica gel. CONSTITUTION: The porous inorganic materials, silica gel, is lipophilized by the following steps of: (i) preparing porous silica gel((OH)3Si-O-Si(OH)3) by mixing sodium silicate with sulfuric acid, and dehydrating water from reactants, silicic acid, wherein the resultant silica gel has fine pores with a 1-10nm size; (ii) lipophilizing hydrophilic groups on the surface of silica gel particles by chemical reaction of hydrophilic groups on the particle surface and halogenated silane, halogenated alkyl silane or dimethylamine silane in the medium of anhydrous toluene; (iii) washing lipophilized silica gel with anhydrous toluene, acetone, mixture of acetone and water, etc.; (iv) drying silica gel. The resultant lipophilized silica gel used as impact attenuators is dispersed in a lyophobic fluid(water), wherein the liquid is flown into or from the fine pores(1-10nm) when the pressure is applied to silica gel particles to dissipate mechanical disturbance caused by the impact.
Patent KR-20040106656-A (KR)
Inventor: HAN DAE HEE
IPC: G06F17/30
Filed: 2003-06-11
Abstract: PURPOSE: A foreign language sentence search service system and method is provided to enable a user to search for a foreign language sentence, to offer the searched sentence with a translated sentence, and also to offer a categorized search service according to a difficulty rate. CONSTITUTION: The system comprises a document data storage module(20), an index data storage module(30), an example sentence search module(40), and a translated sentence service module(50). The document data storage module(20) collects documents, extracts document data, and stores the extracted data with the document. The index data storage module(30) extracts sentences from the collected documents, indexes the sentences, extracts vocabularies from the sentences, and stores the extracted vocabularies with the sentences. The example sentence search module(40) receives a search condition, performs a search operation based on the search condition, and outputs a search result. The translated sentence service module(50) inputs a translated sentence for the output foreign sentence, stores an identifier of the translated sentence with the translated sentence, and maps the identifier of the translated sentence with that of the corresponding foreign sentence.
Patent KR-20040107979-A (KR)
Inventor: CHOI HWA SUN
IPC: B29C37/00
Filed: 2003-06-16
Abstract: PURPOSE: Structure of upper and lower blade assemblies of a bead excluding device for a window frame is provided to maximize the efficiency of a bead excluding device and to improve work efficiency and productivity by easily and conveniently excluding the beads on the conjunctions of corners of a window frame using a sequentially operating upper and lower blade assembly. CONSTITUTION: Structure of upper and lower blade assemblies(10,20) of a bead excluding device for a window frame is composed of body parts(12,22) of which inner faces are opened lengthwise and which include a pair of rails(R1) and a second operating cylinder(S2), operating panels(13,23) engaged with the rails in the front portion of the body parts, connected with the front end of the second operating cylinder and sliding forward and backward along the rail, and an upper finishing cutter(14) and a lower finishing cutter and peripheral finishing cutters(15,25) spaced apart from the inner faces of the operating panels and combined with the front ends of a third operating cylinder(S3) and a fourth operating cylinder(S4).
Patent KR-20040057885-A (KR)
Inventor: IKEDA YASUHIKO
IPC: B60B33/00
Filed: 2003-06-24
Abstract: PURPOSE: A caster is provided to simplify the structure by forming the link unit as the operating unit, and to cut down manufacturing cost by reducing the number of parts and assembling process. CONSTITUTION: A surface contact part(62) of a stopper member(54) is contacted to a rolling surface(64) by lifting up a wheel(18), and load applied to the stopper member is transmitted from a stay member(50) to a body(12). A shaft(30) is fitted to a shaft hole(44A) of an operating lever(36), and load applied to the stopper member is not transmitted to the shaft. The size of a caster(10) is decreased by reducing the shaft and the operating lever. The operating unit is installed in the caster to protrude the stopper member on the rolling surface or contain the stopper member in the caster body. The structure is simplified by using the link mechanism as the operating unit.
Patent KR-20040005659-A (KR)
Title: Component-embedded board fabrication method and apparatus for high-precision and easy fabrication of component-embedded board with electronic components embedded in wiring board
Inventor: AKAGAWA MASATOSHI
IPC: H01L21/60
Filed: 2003-07-08
Abstract: PURPOSE: A component-embedded board fabrication method and an apparatus for high-precision and easy fabrication of a component-embedded board with electronic components embedded in a wiring board are provided to reduce the production cost by improving the fabrication yield in comparison with a prior art using a photomask. CONSTITUTION: A detecting unit(11) is used for detecting an actual position of an electronic component(22) formed on a surface of a board(21) before the board is covered with an insulating layer(23). A holding unit(12) is used for calculating a displacement between a design position of the electronic component and the actual position of the electronic component on the surface of the board and for holding the displacement as displacement data. A correcting unit(13) is used for correcting the design data to be used for processing the board on the basis of the displacement data after the board is covered with the insulating layer.
Patent KR-20050015255-A (KR)
Inventor: MIN WOO KI
IPC: E04H6/06
Filed: 2003-08-05
Abstract: PURPOSE: An elevating type parking system is provided to install in a narrow alley or a slant alley without giving an influence on the traffic and to elevate safely by elevating at the unmanned state automatically. CONSTITUTION: The elevating type parking system contains: a frame(1) composed of both columns(10) having guide grooves, an upper plate(12) provided with pulleys(16), and a lower plate(14), wherein upper and lower ends of both columns(10) are connected by the upper plate and the lower plate; an elevating unit(2) containing an operating plate(22) installed to be reciprocated in the frame, elevating plates(32) installed on the front of the operating plate and provided with a guide groove, a guide roller and a support roller, and an elevating bar installed to be slid along the elevating plates(32) and having a fork(30) projected forward; and a driving unit containing a motor(50) fixed to an upper plate of a post, a pulley(20) connected to the motor by a chain(54), and a traction rope whose one end is rolled on the pulley and the other end is connected to the operating unit.
Patent KR-20050022776-A (KR)
Inventor: AHN YONG SOO
IPC: H01L21/68
Filed: 2003-08-30
Abstract: PURPOSE: A lead frame transfer apparatus having top and bottom transfer parts is provided to reduce largely damage of a lead frame by reducing the coupling/decoupling number of the lead frame in a process for transferring the lead frame. CONSTITUTION: A lead frame is loaded on a moving rail. A top transfer pin(50) is coupled to or decoupled from a transfer hole of a top side of the lead frame. A bottom transfer pin(100) is coupled to or decoupled from a transfer hole of a bottom side of the lead frame. A top transfer pin holder(200) is coupled to a lower part of the top transfer pin. A top transfer pin fixing pin(250) is coupled to the top transfer pin holder. The bottom transfer pin is coupled to a top side of a bottom transfer pin holder(300). A bottom transfer pin fixing plate(350) is used for fixing the lower transfer pin holder. A top transfer pin coupling/decoupling part(400) is used for coupling or decoupling the top transfer pin to or from the lead frame. A bottom transfer pin coupling/decoupling part(500) is used for coupling or decoupling the bottom transfer pin to or from the lead frame. A top transfer pin moving part(600) is used for moving the top transfer pin coupling/decoupling part to the left side or the right side. A bottom transfer pin moving part(700) is used for moving the bottom transfer pin coupling/decoupling part to the left side or the right side.
Patent KR-20030081227-A (KR)
Inventor: RYU HWA WON
IPC: D06B13/00
Filed: 2003-09-05
Abstract: PURPOSE: Provided are a method and an apparatus for making vacuum ultrasonic natural dyeing which are systematically automated to make uniform product quality control and excellent reproducibility. CONSTITUTION: In order to improve the fixation, the uniformity and the fastness of natural dyestuffs with the method and the apparatus for making vacuum ultrasonic natural dyeing, the target object is introduced into a dyeing bath(18) with a dyeing solution. The vacuum degree of the dyeing bath is controlled to be 100-760mmHg by a vacuum pump(16) and a control valve(9). An ultrasonic wave is radiated on the target object by an ultrasonic radiator connected to an ultrasonic controller(15). The ultrasonic controller controls the frequency of the ultrasonic wave to be in the range of 5-180kHz.
Patent KR-20050026822-A (KR)
Inventor: KIM SUN NAM
IPC: B60R19/20
Filed: 2003-09-09
Abstract: An elastic bumper of a vehicle is provided to decrease stress per unit area, and to increase buffering efficiency by removing stroke with a flexible case instead of a hard impact box and enlarging a contact area. A variable impact absorbing material is formed by surrounding an airbag module with a thermal insulating material and a case for using compressed air, and inserted to a reinforced rail. The airbag module is formed of a sealing air bag with high elasticity and high rigidity. A rail blade(405) is thinner than a rear part(402) of the rail, and inclined to a facia(401) at an acute angle below 88 angular degrees to prevent the variable impact absorbing material from being moved back by surrounding. Two variable impact absorbing materials(403,404) are made of iron cases and arranged near a vehicle body, and a variable impact absorbing material(406) is made of a corduroy case.
Patent KR-20040038638-A (KR)
Inventor: RIKU KAZUYA
IPC: H01R4/24
Filed: 2003-09-24
Abstract: PURPOSE: An electric connector is provided to control relative movement of an electric wire and a protruded contact for a long period of time. CONSTITUTION: An electric connector(1) includes a block(200) and a housing(100). The block has holes(201) for accommodating electric wires in a predetermined direction. The electric wire has a core wire covered by a coating member. The housing fixes a contact that has a portion protruded perpendicular to the predetermined direction to penetrate the coating member. The block is provided such that the end of the protruded contact portion is protruded to the hole. The block has a spring at the position opposite to the end of the protruded contact portion. The spring presses the electric wire accommodated in the hole to the protruded contact portion.
Patent KR-20050033338-A (KR)
Title: Method of making catalyst for carbon nanotubes and carbon nanofibers and catalyst for carbon nanotubes and nanofibers thereof
Inventor: JUNG SUNG SIL
IPC: B01J23/755
Filed: 2003-10-06
Abstract: Provided are a process for preparing a catalyst and the catalyst itself useful for manufacturing carbon nano-tubes and nano-fibers with high productivity but simplification of procedures of the process compared to existing wet type methods such as precipitation and/or co-precipitation. The process comprises steps of heating oxygen compound of transition metal at 800 deg.C to 1500 deg.C in an oxidation atmosphere to form a transition metal oxide; and breaking the transition metal oxide into microfine particles thereof. The transition metal is preferably selected from a group consisting of Ni, Co, Fe, Mo and Cr. Also, the oxygen compound of the transition metal is preferably selected from a group consisting of oxide, hydroxide, carbonate, sulfate and nitride of the transition metal. The breaking process is for breaking the transition metal oxide into particles having 500 microns or less of average particle size.
Patent KR-20050040172-A (KR)
Inventor: YOON IN JUNG
IPC: A61K39/12
Filed: 2003-10-27
Abstract: 본 발명은 Porcine reproductive and respiratory syndrome(PRRS)병 즉 돼지 생식기호흡기 증후군을 예방하는 백신으로서 임신돈에 심한 번식장애와 자돈에서 호흡기증상의 질병을 예방할 수 있는 불활화 유성백신의 제조용 바이러스와 제조방법에 관한 것이다. 
     1992년 초까지도 본 질병을 일으키는 정확한 원인체가 발견되지 않아 미국에서는 미스테리병 또는 Swine infertility and respiratory syndrome이라고 불리 워 졌으나, 그 후 원인바이러스의 분리와 함께 여러 나라에서 공통적으로 부를 수 있는 Porcine reproductive and respiratory syndrome (PRRS)이라고 명명하였다. 
     본 백신의 제조방법은 돼지 PRRS바이러스(MN-Hs)를 돼지의 폐 탐식세포 및 MA104(원숭이 콩팥세포)세포에서 유래된 MARC-145세포에 접종 배양하여 채취한 후 포르말린으로 불활화시켜 면역증강제인 Oil adjuvant (Montanide IMS 1313 N PR)에 PRRS바이러스 항원을 동량 혼합하여 제조함을 특징으로 하는 것으로서, 
     양돈농가의 임신돈에서 유산 또는 사산 및 임신말기의 유산이나 조산 등, 재 발정을 줄이고 자돈이나 육성돈에서 호흡기증상의 피해를 줄일 수 있는 면역효과가 우수한 백신이다.
Patent KR-20050040187-A (KR)
Inventor: LEE MYUNG CHUL
IPC: A61F2/28
Filed: 2003-10-28
Abstract: 본 발명은 손상된 조직을 효과적으로 재생하기 위한 나노섬유와 마이크로 섬유로 이루어진 생체 모방형태의 다공성 복합지지체와 그의 제조방법에 관한 것이다. 
     본 발명의 다공성 복합지지체는 마이크로섬유를 기본골격으로 하고, 생리활성 고분자로부터 얻어진 나노섬유가 이차원 구조 또는 삼차원 구조의 네트워크 형태로 이루어진 것으로, 마이크로섬유를 사용함으로써 일정 형태와 강도를 갖아서 생체조직이 삼차원적으로 재생되도록 함과 동시에 나노섬유를 복합함으로써 공극률을 향상시켜 세포와 관계되는 표면적을 크게하며 세포가 잘 부착 및 증식되는 구조를 제공한다.  특히, 나노섬유는 생리 활성을 부여하는 고분자나 기존의 고분자에 생체적합성을 증가할 수 있는 고분자를 사용함으로써 조직 재생능을 높일 수 있는 특징이 있다.
Patent KR-20050041440-A (KR)
Title: 직물의 가공 방법
Inventor: JUNG IN BAE
IPC: D06M11/36
Filed: 2003-10-31
Abstract: 본 발명은 재생섬유인 레이욘, 폴리노직, 큐프라 등과  반합성섬유 아세테이트 , 그리고 이들과 합성섬유인 폴리에스테르, 폴리아마이드 또는 아크릴과의 혼 교직물을  알카리 처리후 산 개스 분위기 하에서 중화 시켜 직물을 균일하게 축소 시키는 방법에 관한 것이다. 
           본 발명에 의해 처리된 직물은 광택성, 인장강도, 염색성 및 드레이프성 등의 가공된 직물의 물성을 향상 시킬 수있다.
Patent KR-20030090556-A (KR)
Inventor: HONG KI WON
IPC: C02F1/00
Filed: 2003-10-31
Abstract: PURPOSE: Provided is a flow control system of wastewater based on effluent flow rate of treated water in a water treatment plant, thereby minimizing water level fluctuation in the water treatment plant. CONSTITUTION: The system comprises a first structure(20) including a plurality of basins, each with a water inlet(21a) and a water flow control device(21b) for closing the water inlet(21a) for stopping water flow introduced into the basins of the first structure(20), a second structure(30) with two basins, each with a water inlet(31a) through which raw wastewater is introduced thereinto from the first structure(20), and a water outlet(31c) through which treated water flows out, a flow meter(40) installed under the water outlet(31c) of the second structure(30) for metering mass flow of water falling down from the water outlet(31c) of the second structure(30), and a control unit(90) for receiving mass flow data from the flow meter(40) and controlling the water flow control device(21b) of the first structure(20) to open and close the water inlets(21a) of the first structure(20) depending on the data.
Patent KR-20030090588-A (KR)
Inventor: KANG KWANG JAE
IPC: B24D3/00
Filed: 2003-11-11
Abstract: PURPOSE: A cutting edge coupling structure for a piston ball seat and a method for manufacturing the cutting edge are provided to simply manufacture cutting edges in large quantities, and to lengthen the life span of the cutting edge. CONSTITUTION: In a cutting edge coupling structure for a piston ball seat, a cutting tool body(30) has a thread and a groove into which a protrusion in a cutting edge unit(33) is inserted. A coupling unit(31) is coupled with the cutting tool body by a bolt(32).
Patent KR-20050046507-A (KR)
Title: 건강의자
Inventor: WON IN HO
IPC: A47C7/02
Filed: 2003-11-14
Abstract: 본 발명은 건강의자를 제작 구성하여줌에 있어 몸체의 재질은 수지물이나 목재류나 알미늄 등의 가벼운 재질로 하여주고 동 몸체의 바닥몸체에는 중간부위에 남성의 생식기가 안착되어질 수 있도록 다수의 통기공이 천설되어진 공간부를 형성시켜주어 앉아 있을 때 원활한 공기유통에 의하여 생식부위의 온도 상승을 예방하여 주고 공간부의 주변에 다수의 통기공을 천설시켜 주어서 된 것과 만곡형으로 되어진 몸체의 바닥부에 다수의 통기공을 생식기 접착부위에 천공시켜주어서 된 건강의자에 관한 것이다.
Patent KR-20050047741-A (KR)
Inventor: LEE YOUNG HO
IPC: G06K9/36
Filed: 2003-11-18
Abstract: 영상처리장치 및 그 방법이 개시된다. 본 발명에 따른 영상처리장치는, 입력되는 영상의 2차원 평면을 3차원 벡터표면에 매핑하는 매핑부, 매핑부에 의해 매핑된 복수의 픽셀로 구성된 면의 방정식에 대한 계수를 산출하는 계수산출부, 및 계수산출부에 의해 구해진 면의 방정식에 기초하여 보간될 위치의 그레이값을 산출하여 보간하는 보간부를 구비한다. 이로써, 영상처리장치는, 2차원 평면상의 픽셀을 3차원 벡터 표면에 매핑하는 경우, 에지 영역과 평탄한 영역에서 발생할 수 있는 오버슈트 또는 언더슈트를 방지하여 부드러운 영상을 디스플레이 할 수 있도록 한다.
Patent KR-20040045314-A (KR)
Inventor: MICHALSKI PIERRE
IPC: B65D90/02
Filed: 2003-11-19
Abstract: PURPOSE: A mechanically welded structure having a stress reduction slit and a liquefied gas transport ship having the structure are provided to reduce the stress of various structural elements by the stress reduction slit and to reduce factors related to the setting of the dimension of the structural elements. CONSTITUTION: A mechanically welded structure having a stress reduction slit(12) has a first structural element(10) of a flat thin plate metal material spreading in a plane and having one side forming a boundary by a linear edge(15), and a second structural element(20) of a metal material welded to the linear edge of the first structural element or combined to the linear edge and welded to an intermediate element(25) inserted between the first structural element and the second structural element. The second structural element gives force reaching the plane vertically to the linear edge to at least one spot(151) of the linear edge. The force is decomposed into at least one component. The first structural element spreads parallel to the linear edge and has the stress reduction slit opposed to the spot to which the force is given.
Patent KR-20050054536-A (KR)
Inventor: CHOI JONG HYUN
IPC: G11C11/4074
Filed: 2003-12-05
Abstract: 본 발명에서는 외부 전원전압이 인가되는 회로에 있어서 파워 다운 모드 동안에 회로 내에 인가되는 외부 전원전압을 차단하고, 회로 내의 전원전압을 특정 레벨로 천이시킴으로써 회로 내에 누설전류가 발생되는 것을 방지하고, 회로들이 잘못 트리거되는 것을 방지하며, 구동부의 출력을 하이 임피던스 상태로 유지시킴으로써 전류소모를 저감 또는 최소화할 수 있는 외부 전원전압 제어기능을 갖는 반도체 장치 및 그에 따른 제어방법이 개시된다. 본 발명에 따른 외부 전원전압 제어기능을 갖는 반도체 장치의 구조는, 반도체 메모리의 파워 다운 모드시 외부 전원전압이 인가되는 회로의 외부 전원전압 제어기능을 갖는 반도체 장치에 있어서: 상기 반도체 메모리의 파워 다운 모드시 발생되는 파워 다운 명령 신호의 상태에 응답하여 상기 회로에 인가되는 외부 전원전압을 차단하는 전원전압 차단부; 및 상기 파워 다운 명령 신호의 상태에 응답하여 상기 회로 내의 전원전압을 특정 레벨로 천이하는 전원전압 천이부를 포함하는 것을 특징으로 한다.
Patent KR-20050054607-A (KR)
Inventor: CHOI SEOUK KYU
IPC: G11C11/406
Filed: 2003-12-05
Abstract: 본 발명에서는 센스앰프를 인에이블하기 위한 엔모스 및 피모스 센싱 인에이블 신호의 슬로프를 조절하여 CBR/셀프 리프레쉬 동작시 발생하는 반도체 메모리 소자의 피크 전류를 줄이고, 과도한 전류에 의하여 발생하는 전자파 간섭(EMI)을 저감할 수 있는 드라이빙 신호 발생 회로가 개시된다. 상기 드라이빙 신호 발생 회로는 비트라인 센싱을 지시하는 센싱 인에이블 신호와 메모리 블락을 선택하는 블락 선택 신호를 입력으로 하고, 출력 신호를 발생하는 낸드 게이트와, 상기 낸드 게이트의 출력 신호에 응답하여 엔모스 센싱 인에이블 신호(LANG)를 발생하는 엔모스 센싱 인에이블 신호 발생부와, 상기 엔모스 센싱 인에이블 신호의 슬로프를 조절하는 제1 슬로프 조절부와, 상기 낸드 게이트의 출력 신호에 응답하여 피모스 센싱 인에이블 신호(LAPG)를 발생하는 피모스 센싱 인에이블 신호 발생부와, 상기 피모스 센싱 인에이블 신호의 슬로프를 조절하는 제2 슬로프 조절부를 구비함을 특징으로 한다.
Patent KR-20050055150-A (KR)
Inventor: KIM BONG SUCK
IPC: H05B6/66
Filed: 2003-12-05
Abstract: 본 발명은 인버터 전자레인지의 초기 동작시 전자파를 발생하는 마그네트론으로 과도한 전압이 인가되는 것을 방지하기 위하여 초기동작시에는 상기 인버터부로 인가되는 주파수를 높이고, 일정시간이 지나면 상기 주파수를 낮추도록 하여 인버터부의 내구성 및 동작의 신뢰성을 향상시킬 수 있는 인버터 전자레인지 및 그 제어방법에 관한 것으로써, 인버터 구동전원인 상용교류전원을 직류전압으로 평활하는 평활부와 상기 평활부로부터 인가되는 전압을 스위칭하여 마그네트론 구동용 교류전압이 생성되도록 하는 인버터부와 상기 인버터부의 스위칭에 의해 생성된 교류전압을 고출력의 직류전압으로 변환하여 전자파 발생용 마그네트론으로 전달하는 마그네트론 구동전압부와 초기동작시 상기 마그네트론으로 과도한 전압이 인가되는 것을 방지하기 위하여 상기 인버터부로 인가되는 주파수를 가변하는 인버터 제어부를 포함하여 이루어져, 상기 인버터 회로의 내구성 및 신뢰성을 향상시킬 수 있으며, 공진주파수로 상기 인버터부가 구동되므로 상기 제품의 효율성이 향상되는 효과가 있다.
Patent KR-20050054719-A (KR)
Inventor: CHO JAE MAN
IPC: G06F3/16
Filed: 2003-12-05
Abstract: 본 발명은 휴대용 컴퓨터의 스피커시스템 및 이에 사용되는 스피커유니트에 관한 것이다. 본 발명은 본체부(20)와 디스플레이부(26)를 구비하는 휴대용 컴퓨터에서, 상기 본체부(20)에 구비되는 확장슬롯(40)이나 베이(42)에 착탈가능하게 스피커유니트(50,60)가 설치되어 구성된다. 상기 확장슬롯(40)이나 베이(42)에 착탈가능하게 설치되는 스피커유니트(50,60)는 확장슬롯(40)이나 베이(42)에 삽입되는 부분인 장착부(52,62)와 상기 장착부(52,62)의 선단에 구비되어 외부로 노출되는 그릴부(54,64)를 포함하여 구성된다. 이와 같은 구성을 가지는 본 발명에 의하면 휴대용 컴퓨터의 스피커시스템의 성능이 상대적으로 높아지고, 휴대용 컴퓨터 및 스피커유니트의 휴대성이 좋아지는 이점이 있다.