baber/WOPTO huggingface dataset:
Patent KR-20040050037-A (KR)
Inventor: KIM JIN HWA
IPC: C08K5/39
Filed: 2002-12-09
Abstract: PURPOSE: Provided is a tire rubber composition to prevent a blooming phenomenon of a vulcanizing accelerator by using a vulcanizing accelerator having the small solubility index difference between a raw rubber and the vulcanizing accelerator. CONSTITUTION: The tire rubber composition comprises the raw rubber, a carbon black, stearic acid, an aromatic oil, the vulcanizing accelerator, and additives, wherein the vulcanizing accelerator is zinc dibutyl dithio carbamate and the content of the vulcanizing accelerator is 0.1-2.0pts.wt. based on the raw rubber of 100pts.wt. and the raw rubber is selected from a natural rubber, a synthetic rubber, or a mixed rubber thereof.
Patent KR-20040058024-A (KR)
Title: Air-Valve of Tire
Inventor: LEE HAK GON
IPC: B60C29/00
Filed: 2002-12-11
Abstract: PURPOSE: An air valve of a tire is provided to shorten working time and fill the tire with optimal pneumatic pressure by automatically decreasing the pneumatic pressure of the tire to the proper level if the pneumatic pressure is excessively filled in the tire. CONSTITUTION: An air valve of a tire comprises a valve body(52) installed to a wheel(50) to connect with an inner part of the tire and composed of an air-injecting hole(52a) formed at the end and inserted with an air injection gun; an elastic member(54) disposed in the valve body to have elastic force corresponding to the proper pneumatic pressure of the tire; a nipple(56) mounted between the elastic member and the air-injecting hole and slid to the elastic force of the elastic member and the pulling force of the air injection gun to open and close the air-injecting hole; and an actuator(60) arranged in the valve body to open the air-injecting hole by pulling the nipple if the pneumatic pressure of the tire is larger than the elastic force of the elastic member.
Patent KR-20040051788-A (KR)
Title: apparatus for attaching ornament stones on any sheet automatically
Inventor: PARK TAE SEOK
IPC: D06Q1/10
Filed: 2002-12-13
Abstract: PURPOSE: An automatic apparatus for attaching decoration pieces is capable of attaching the pieces to textile fast precisely, reducing labor force, attaching various decoration pieces selectively and increasing quality of the textile. CONSTITUTION: An automatic apparatus for attaching decoration pieces comprises: a frame; a textile fixing frame horizontal-installed on the frame and moved on x-axis and y-axis of plane coordinates by a controlling part; a decoration pieces transferring pipe(14) which is installed on a head part(10) of the frame, forming a passage of the pieces(5); a carrier(16) set on a lower part of the transferring pipe(14); a decoration pieces holding tool(162) which is set on the carrier(16), maintaining the decoration pieces(5) on an upper side thereof; a transferring device(17) transferring the carrier(16) in front and in the rear; and an attaching device(12) attaching the decoration pieces(5) to textile. The attaching device(12) comprises: a guide base(126) installed on the head part(10); a guide(124) for a pressure member formed on the guide base(126); the pressure member(122) capable of sliding along the guide(124); and a pressure driving device(15) reciprocal-driving the pressure member(122) up and down.
Patent KR-20040052055-A (KR)
Title: Probiotic composition with usage of preventing and curing fowl typhoid
Inventor: AHN DO YUN
IPC: A61K39/02
Filed: 2002-12-13
Abstract: PURPOSE: Provided is a probiotic composition for preventing and curing fowl typhoid which contains COBIO KB(KCCM 10453) as an active ingredient. Therefore, it is very useful for livestock farming and feed industries. CONSTITUTION: A probiotic composition for preventing and curing fowl typhoid is characterized by containing an antagonistic microorganism of Salmonella gallinarum, COBIO KB(KCCM 10453), as an active ingredient. It is useful as a feed additive.
Patent KR-20040055354-A (KR)
Title: Method of manufacturing trench and trench in semiconductor
Inventor: KIM HYEONG SEOK
IPC: H01L21/76
Filed: 2002-12-20
Abstract: PURPOSE: A trench of a semiconductor device is provided to improve an insulation characteristic by forming an air gap as well as a spacer inside a trench such that the air gap has a dielectric constant close to 1. CONSTITUTION: The first oxide layer(3) with a width corresponding to the width of a trench is formed on a silicon wafer(1). A spacer(5) having a width smaller than that of the first oxide layer is formed on the first oxide layer. An epitaxial silicon layer(7) is formed on the silicon wafer corresponding to both sides of the first oxide layer. An oxide material is interposed between the spacer and the epitaxial silicon layer to form the air gap(11) in a sub trench.
Patent KR-20040059599-A (KR)
Title: Compressing and Decompressing of data for upgrade
Inventor: CHO SANG GYU
IPC: H04N5/44
Filed: 2002-12-27
Abstract: PURPOSE: A method for compressing/decompressing upgrade data is provided to reduce a period of time required for upgrading a system and decrease the quantity of transmitted upgrade data. CONSTITUTION: Upgrade data is generated(S1). The upgrade data is compared to the version of a system to be upgraded to extract only changed data or data to be added(S2) and compressed(S3). The compressed data is mixed with broadcasting program data and transmitted through a separate channel or a cable network. A receiver carries out a process for extracting the transmitted data(S4) to extract corresponding data and decompresses the compressed data(S6). The decompressed data is compared with the version of the current system(S7). When the decompressed data corresponds to the version of the current system, the data is ignored. When the decompressed data does not correspond to the version of the current system, the upgrade data is installed in the system(S8).
Patent KR-20040059950-A (KR)
Title: Method for TIG Welding of Super Ferritic Stainless Steel
Inventor: AHN SANG GON
IPC: B23K9/167
Filed: 2002-12-30
Abstract: PURPOSE: A TIG(Tungsten Inert Gas) welding method of super ferritic stainless steel is provided to improve the mechanical performance of a welding part by securing the sufficient impact property of weld metal at normal temperature in TIG-welding the super ferritic stainless steel comprising 26Cr(Chromium)-2Mo(Molybdenum). CONSTITUTION: In a TIG welding method of super ferritic stainless steel comprising 24Cr-2Mo with stability ratio over 17 and PRE(Pitting Resistance Equivalent) number over 32 and 30Cr-4Mo with stability ratio over 20 and PRE number over 42, the nitrogen content of weld metal for 26Cr-2Mo is below 0.02wt% and for 30Cr-4Mo is below 0.01wt% and the welding heat input for 26Cr-2Mo is below 6kJ/cm and for 30Cr-4Mo is below 4kJ/cm in 20 liter/pure argon protective gas atmosphere. Accordingly, the super ferritic stainless steel sufficiently satisfies the impact property of the welding part at normal temperature when the welding heat input and nitrogen content are limited.
Patent KR-20040062179-A (KR)
Inventor: LEE SEUNG CHEOL
IPC: G02F1/13357
Filed: 2002-12-31
Abstract: PURPOSE: A back light assembly is provided to generate plane lights having uniform luminance. CONSTITUTION: A back light assembly includes a lamp, a light guide, a lamp housing, a reflecting plate, and a plurality of optical sheets. The light guide includes prisms tilted at predetermined angles. The lamp housing fixes the lamp and is combined with a light-receiving part of the light guide. The reflecting plate is attached to the back side of the light guide to reflect lights. The plurality of optical sheets are arranged on the light guide and diffuse plane light generated by the light guide. The prisms are arranged on the top face or bottom face of the light guide.
Patent KR-20020027466-A (KR)
Title: Electromagnetic damper vehicle suspension
IPC: B60G17/00
Filed: 2000-07-04
Abstract: A suspension system comprises a gas spring formed by two cylindrical members, one sliding within the other in combination with an electromagnetic device for applying force to or absorbing force from the gas spring under electrical control. Preferably, the gas spring and electromagnetic unit are formed as a single composite unit. The system may be used in fully-active mode e.g. in a vehicle suspension system or simply as a variable damper.
Patent KR-20020041421-A (KR)
Title: Process for production of naphthyridine-3-carboxylic acid derivatives
Inventor: CHO SEONG UK
IPC: C07B43/04
Filed: 2000-09-01
Abstract: PURPOSE: Provided is a process for production of pharmaceutically active compounds, for example, naphthyridine-3-carboxylic acid derivatives of formula(1) having antibacterial activity. CONSTITUTION: The process for production of naphthyridine-3-carboxylic acid derivatives of formula(1) comprises the steps of (i) reacting a compound of formula(2) with a compound of formula(3) or its salt in the presence of base and aqueous solvent, and optionally (ii) forming its pharmaceutically acceptable salt and(or) hydrate. In the formulae, R represents C1-C4 alkyl or C1-C4 haloalkyl, and X is a leaving group. The solvent is aqueous acetonitrile, aqueous alcohol or water. The solvent is used in amount of 10 volume% based on the compound of formula(2). The compound of formula(3) is used in amount of 1.01-1.08 mole equivalent based on the compound of formula(2).
Patent KR-20020069351-A (KR)
IPC: C01G53/00
Filed: 2000-10-13
Abstract: 본 발명은 이온교환에 의해서 니켈-철 산화물 광석 삼출 슬러리로부터 니켈과 코발트를 직접 회수하는 방법에 관계한다. 니켈철 광석은 무기산으로 삼출되어 금속을 용해한다.결과의 삼출 슬러리는 이온교환수지와 접촉하여 펄프로부터 니켈과 코발트를 선택적으로 적재한다. 스크린잉에 의해서 삼출 슬러리로부터 수지가 분리되고 산 용액으로 스트리핑 된다. 스트리핑 이후 수지는 적재 싸이클에 복귀된다. 공지 방법에 의해서 용출액으로부터 니켈과 코발트가 순수한 형태로 회수된다. 금속 추출된 슬러리는 폐기물 처리된다. 본 방법은 삼출 슬러리로부터 금속을 회수하는데 필요한 어려운 고체/액체 분리단계를 제거한다.
Patent KR-20020059662-A (KR)
IPC: G06F13/00
Filed: 2001-08-30
Abstract: 이 복수국 메모리데이터 공유시스템은, 통신로에 의해 접속된 복수의국 사이에서 패킷을 송수신한다.  각 국에는 고유의 국어드레스값을 설정하여, 각 시간을 각 국어드레스에 대응시킨다.  국내의 내부시계(39)는 전부동일시간을 나타내고, 또한 시간 T 00 으로부터 상한시간 T M 까지 둘레를 돈다.  내부시계(39)가 있는 국의 국어드레스값에 대응하는 시간을 나타내면, 국어드레스값에 대응하는 메모리 어드레스위치에 있는 메모리내의 데이터를 패킷에 매립통신로에 송신한다.  허용시간 오차판정회로(34)는, 산출되는 자국의 내부시계의 올바른 시간과 내부시계가 나타내는 시간을 비교하여 허용범위를 넘어 있는 경우에는, 내부시계(39)를 올바른 시간으로 강제적으로 교정한다.
Patent KR-20020062318-A (KR)
IPC: H01Q1/38
Filed: 2001-10-11
Abstract: 본 발명은 평면(plane)에 있는 코일에서 배열된 와이어를 포함하고, 상기 코일은 적어도 2개의 권선을 포함하고, 상기 안테나는 코일에서 커패시턴스를 감소시키기 위하여 적어도 하나의 차단(cutoff)(12)을 포함하는 것을 특징으로 하는 전자기파 송신 및/또는 수신용 안테나(antenna for transmission and/or reception antenna)에 관한 것이다.  상기 안테나는 무접촉 통신 시스템에서 사용되고, 상기에서 휴대용 장치가 귀로 확인 신호(back identification signals)를 상기 판독기에 송신할 때, 휴대용 장치의 보유자를 확인 가능하게 하기 위하여 상기 판독기는 전자기 신호를 휴대용 장치(카드 또는 티켓)에 송신한다.
Patent KR-20020070454-A (KR)
IPC: C09B67/48
Filed: 2000-11-16
Abstract: 본 발명은 유기 안료의 후처리 방법에 관한 것이다.  본 방법은 분쇄되거나 분쇄되지 않은 순수한 유기 안료와 액체 CO 2 또는 임계초과 CO 2 가 반응함을 특징으로 한다.
Patent KR-20020077379-A (KR)
IPC: A43B17/10
Filed: 2000-04-12
Abstract: 신발 제품의 밑창, 안창, 또는 힐부분에 사용하기 위해, 다수의 탄성 러그(30)를 배치하는 깔창(10)을 개시한다.  러그(30)의 상면(32)에는 인접하는 러그의 서로 평행 관계의 엣지가 상면의 상보적 배열을 형성하는 발지지면을 형성하고 있다.  인접하는 러그(30)의 측면(34)은 패드의 상부면과 함께 이들 사이에 공극을 형성하여, 주기적으로 발 아래 공기를 흡입 및 방출한다.  육중한 압축시, 거의 연속적이고 균일한 발지지표면을 제공하기 위해서 인접하는 러그(30)의 상면(32)은 서로 근접하게 된다.  큰 하중을 지지하기 위해 환기, 쿠션 및 견고하고 편안한 정적 지지 구조를 개시한다.  발의 큰 하중을 지지하는 부분에 대해 개선된 대안을 개시한다.
Patent KR-20020070349-A (KR)
Inventor: AUER HEINZ
IPC: C07C51/09
Filed: 2001-01-12
Abstract: The invention relates to a process for obtaining anhydrous or substantially anhydrous formic acid, in which firstly aqueous formic acid is prepared by hydrolysis of methyl formate and is freed from water in the subsequent work-up. The process has the special feature that steam, which is employed for the hydrolysis of methyl formate and for heating a distillation column serving for work-up, is also used as stripping steam for waste-water stripping. The stripped waste water is produced during work-up.
Patent KR-20030007426-A (KR)
IPC: B60N2/90
Filed: 2001-02-15
Abstract: 비닐 운송 차량 시트 트림의 대체물로서 사용하기 위한 복합재가 개시되어 있다.  상기 복합재는 부직 기재에 결합된 직물을 포함하고 바람직하게는 실질적으로 모두 폴리에스테르이다.  상기 복합재는 통상적인 비닐 물질보다 우수한 물리적 성질을 가지면서도 경량이다.  또한, 상기 복합재는 용이하고 효율적으로 재생가능하다.
Patent KR-20020086649-A (KR)
Title: 글루코피라노실록시 벤질벤젠 유도체, 그것을 함유하는의약조성물 및 그 제조중간체
IPC: C07C69/16
Filed: 2001-03-15
Abstract: 본 발명은, 우수한 사람 SGLT2 활성 저해작용을 가지고, 당뇨병, 비만증 등의 예방 또는 치료제로서 유용한, 화학식 I 
     (화학식 I) 
     
       
     
     (식중 R 1 은 수소원자 또는 히드록시 저급알킬기이고, R 2 는 저급알킬기, 저급알콕시기, 저급알킬티오기, 히드록시 저급알킬기, 히드록시 저급알콕시기, 히드록시 저급알킬티오기 등이다)로 표시되는 글루코피라노실록시 벤질벤젠 유도체 및 그 염, 또 그 제조중간체에 관한 것이다.
Patent KR-20030016241-A (KR)
IPC: H03K17/00
Filed: 2002-01-22
Abstract: 본 발명은 반도체 칩에 배치된 수직형 파워 스위치에 관한 것으로, 상기 반도체 칩의 적어도 한 표면의 주변부에 위치된 권선(30)을 포함한다. 이 권선은 상기 스위치에서의 전류 변화에 비례하는 신호를 공급하는 두개의 바인딩 포스트(31, 32)를 구비한다.
Patent KR-20030014234-A (KR)
IPC: C12N5/10
Filed: 2001-05-15
Abstract: 본 발명은 프리온 PrP Sc 동형체의 C-말단부로 지향되는 신규한 항체들에 관한 것이다.  특히, 본 발명은 소의 스폰지형 뇌질환(BSE) 및 크로이츠펠트-야곱병의 신규한 변종(vCJD)의 진단에서 상기한 항체들을 사용하는 방법에 관한 것이다.  거기에 더해, 본 발명은 상기 항체들에 의해 인지된 펩티드 및 이를 BSE, CJD, vCJD 및 다른 TSE 관련 질병들의 면역화 및/또는 처치에 사용하는 것에 관한 것이다.
Patent KR-20040002385-A (KR)
IPC: A23L29/269
Filed: 2002-04-25
Abstract: 본 발명은 종래의 풀룰란 고함유 성형물이 습도변화에 대한 안정성이 낮았음을 감안하여 습도변화에 대한 안정성이 우수한 풀룰란 고함유 성형물과 그 제조방법 및 용도를 제공함을 과제로 한다. 
     그 해결수단으로서는, 풀룰란 고함유 성형물을 제조할 때에 풀룰란과 더불어 α,α-트레할로오스를 소정량 함유시킴으로써 습도변화에 대한 안정성을 증강한 풀룰란 고함유 성형물, 및 그 제조방법을 확립함과 아울러 이 제조방법으로 얻어지는 풀룰란 고함유 성형물의 용도를 제공함으로써 상기 과제를 해결하는 것이다.
Patent KR-20030066335-A (KR)
IPC: G08C17/00
Filed: 2001-06-27
Abstract: 본 발명에 따른 정량 측정 시스템은 신체 내부에서와 같이 정량적인 피분석물의 측정을 성취하기 위하여 제공되는 외부 장치부(101)와 내부 장치부(102)를 포함하여 이루어진다. 상기 시스템의 응용에 따른 일 실시예에서, 내부 장치부(102)는 피하 또는 피실험체의 몸체 내에 이식될 수 있다. 내부 장치부(102)는 형광 감지소자로 구성될 수 있는 구성 요소인 광전자 회로(102b)를 포함한다. 광전자 회로(102b)는 정량 측정 정보를 획득하고 획득한 정보의 함수로써 부하(102c)를 수정한다. 부하(102c)는 외부 장치부(101)의 코일(101f)에 연결된 코일(102d)을 통해 전류량을 차례로 변화시킨다. 복조기(101b)는 코일(101f)에 연결되어 있는 코일(102d)에 의해 상기 코일(101f)에 유도된 전류 변화를 감지하며, 상기 신호를 컴퓨터(101e)로 입력하기 위하여 컴퓨터가 판독가능한 포맷으로 처리하기 위한, 펄스 계수기(101c)와 컴퓨터 인터페이스(101d)와 같은 처리 회로로 감지된 신호를 인가한다.
Patent KR-20040063336-A (KR)
Inventor: NO JAE YEOL
IPC: A41B9/02
Filed: 2003-01-07
Abstract: PURPOSE: An undergarment having a waistband portion containing a non-stretch band portion and a stretch band portion is provided. It does not impart an oppressive sensation to the abdomen, is excellent in wearing feeling when worn and enhances human health. CONSTITUTION: In the process for making an undergarment by sewing a flexible rubber band along a peripheral portion of underwear(1) which are in contact with the waist of a body, a rubber band having stretchability is sewn to a band portion(10) at a position which is in contact with the abdomen after contraction. The rubber band also is sewn to the band portion after stretching without cutting the rubber band. Therefore, a non-stretch band portion(12) and a stretch band portion(11) are formed on the band portion. A plurality of permanent magnetics can be attached on the interior of the non-stretch band portion.
Patent KR-20040065628-A (KR)
Title: Media player
Inventor: KIM GYU DONG
IPC: G11B19/10
Filed: 2003-01-15
Abstract: PURPOSE: A media player is provided to comprise a switch portion driven by media inserted into the media player, and to comprise a display portion for displaying whether the media are inserted by the driven switch portion, thereby perceiving the inserted media without opening a tray. CONSTITUTION: A switch portion(220) is turned on when media are inserted. A display portion(230) displays whether the media are inserted, when the switch portion(220) is turned on. When the media are inserted, the switch portion(220) is installed in a motor portion to rotate the inserted media. The display portion(230) is an LED disposed on a front side of a media player.
Patent KR-20040066257-A (KR)
Inventor: CHOI CHANG GYU
IPC: G10L15/00
Filed: 2003-01-17
Abstract: PURPOSE: A method and an apparatus for forming an adaptive beam using a feedback structure are provided to completely cancel noise components included in broadband aural signals by connecting adaptive blocking filters and adaptive canceling filters in a feedback structure. CONSTITUTION: A fixed beam former(410) compensates delay time of M aural signals inputted from a microphone array(411) formed of M microphones(411a,411b,411c). The fixed beam former adds up the compensated aural signals. A multichannel signal separator(430) generates pure noise components from the M aural signals by using M adaptive blocking filters(431a,431b). The multichannel signal separator generates pure voice components from the output signals of the fixed beam generator by using M adaptive canceling filters(435a,435b) connected with the M adaptive blocking filters in a feedback structure.
Patent KR-20040066627-A (KR)
Inventor: BANG HUI SEOK
IPC: H04B1/40
Filed: 2003-01-20
Abstract: PURPOSE: A 3-way inverse filtering system for compensating for the quality of sound in a mobile phone, and a method thereof are provided to compensate for frequency response by automatically using an inverse filter appropriate for each situation. CONSTITUTION: A bell sound mode(201) is set to output sound through a speaker of a mobile phone. A voice call mode(202) is set to output sound through a call voice speaker. An earphone mode(203) is set to output sound through an earphone. A mode selecting unit(203) receives input of the bell sound mode(201), the voice call mode(202), and the earphone mode(203) for selecting an inverse filter of a corresponding mode. A compensating unit(205) compensates the quality of sound of the corresponding mode. The compensating unit(205) is comprised of a first inverse filter(206), a second inverse filter(207), and a third inverse filter(208).
Patent KR-20040067531-A (KR)
Inventor: LEE SANG IL
IPC: F02M35/02
Filed: 2003-01-24
Abstract: PURPOSE: A filtering element of an air cleaner is provided to maintain the original shape of filter paper and to improve the dust collection rate, by doubly forming the filter paper. CONSTITUTION: In a filtering element of an air cleaner, filter paper is mounted inside a housing of the air cleaner and is arranged inside a case, to purify pollutants in the air incoming through an air duct. The sectional shape of the filter paper constitutes a consecutive sine curve. The filter pipe is formed in a doubly overlapped shape of first filter paper(30) and second filter paper(40). The sectional wave height of the first filter paper is lower than the sectional wave height of the second filter paper. The outer surface of an upper valley(41) of the second filter paper comes in contact with the inner surface of an upper valley(31) of the first filer paper.
Patent KR-20040068432-A (KR)
Inventor: LIM JAE IN
IPC: G06T5/20
Filed: 2003-01-25
Abstract: PURPOSE: A method for extracting a boundary value of an image is provided to comprise an initial boundary value setup step of receiving image data and setting an initial boundary value, and an active contour step of obtaining a final boundary value by applying the initial boundary value to an active contour algorithm, thereby automating the setup of the initial boundary value with reliability. CONSTITUTION: In an initial boundary setup step(210), image data is received and an initial boundary value is set by using an STS(Statistical Threshold Selection) method. In an active contour step(220), the initial boundary value is applied to an active contour algorithm to obtain a final boundary value. The initial boundary value setup step(210) consists of an STS step(212) for setting a threshold value by receiving the image data, an image segmenting step(214) for segmenting images into an object and a background, and a binary boundary value extracting step(216) for extracting the initial boundary value from the segmented images.
Patent KR-20040069554-A (KR)
Inventor: HONG JONG CHEOL
Filed: 2003-01-29
Abstract: PURPOSE: A method for exchanging royalty is provided to minimize the burden for the loyalty through the real-time consumption of the individual management royalty depending on the selection of a user by exchanging the integrated management royalty of the user at a proper royalty exchange rate. CONSTITUTION: A card terminal outputs/extracts the royalty information or list from a smart card/royalty management server(320). The user of the card terminal or a smart card selects the royalty information or a royalty application to be exchanged by referring to the royalty information/list(335). The card terminal extracts a royalty exchange condition matched with the royalty data or the royalty application(340). The card terminal exchanges the royalty data or the royalty application based on the extracted royalty exchange condition(365).
Patent KR-20040070741-A (KR)
Inventor: LEE DAE GEUN
IPC: H01L21/28
Filed: 2003-02-04
Abstract: PURPOSE: A method for forming a contact hole of a semiconductor device is provided to prevent an overhang from occurring in a barrier metal deposition process and a tungsten deposition process according as a contact hole decreases in size by performing an Ar sputtering process while an active region is not open in etching the contact hole and by rounding the upper part of the contact hole without an additional process. CONSTITUTION: A photoresist contact hole mask pattern(300) is formed in a contact hole formation region on a silicon substrate. A predetermined thickness of an interlayer oxide layer(302) is etched by a conventional ME(main etch) recipe while using the contact hole photoresist mask. A new recipe having high etch selectivity with respect to photoresist is used to cause a loss(306) in the photoresist mask greater than a loss(304) in the oxide layer in the contact hole formation region etched by the predetermined thickness so that an etch process is performed on the residual portion including the active region to make the upper part of the contact hole have a top-round profile.
Patent KR-20030068053-A (KR)
Inventor: JANG EUN GYU
IPC: G11B5/39
Filed: 2003-02-11
Abstract: PURPOSE: A method and an apparatus for stabilizing a magnetic domain of a merged type magneto-resistive head by using write current and read bias current are provided to prevent a read head from being melted by not requiring an external magnet, and compensate ESD(Electro-Static Discharge) damaging the read head. CONSTITUTION: A write current supply source(2050) applies a write level current to a write differential signal pair to control a magnetic field generated by a write head(202) included in a merged type magneto-resistive read/write head(200) to increase a temperature of a read head(204) included in the merged type magneto-resistive read/write head. A read current supply source(2080) applies a read bias current to a read differential signal pair connected to the read head to generate the magnetic field in the read head. A computer(2000) maintains the write level current to the write differential signal pair for a predetermined period and maintains the read bias current to the read differential signal pair.
Patent KR-20040072985-A (KR)
Inventor: LEE JUNG HYUN
IPC: H04L12/28
Filed: 2003-02-12
Abstract: PURPOSE: A PCMCIA voice call supporting wireless LAN card is provided to use wireless Internet by using a notebook computer in a place having no AP, and realize a telephone call by using an embedded mobile phone. CONSTITUTION: A CDMA(Code Division Multiple Access) 2000 1x or CDMA 1x EV-DO telephone module is loaded into a wireless LAN(Local Area Network) card using a PCMCIA(Personal Computer Memory Card International Association) slot. The wireless LAN card includes a main wireless LAN module, an earphone jack, an LED(Light Emitting Diode) or LCD(Liquid Crystal Display), a power switch, a receive switch, an antenna, and an embedded lithium polymer battery.