baber/WOPTO huggingface dataset:
Patent KR-20050010154-A (KR)
Inventor: NAM WOONG DAE
IPC: H01L21/28
Filed: 2003-07-18
Abstract: PURPOSE: A method for forming a dual damascene pattern of a semiconductor device is provided to guarantee stability of deposition of an interconnection material and improve a characteristic of a semiconductor device by preventing polymer from being deposited on the protrusion of an organic BARC(bottom anti-reflective coating) in a via first dual damascene process. CONSTITUTION: A via hole etch stop layer(12), the first interlayer dielectric(13), a trench etch stop layer(14) and the second interlayer dielectric(15) that are sequentially formed on a substrate(11) are partially etched to form a via hole(17). A polymer deposition preventing layer(100) is formed along the surface of the resultant structure including the via hole. An organic BARC(18) is formed to fill the inside of the via hole by a predetermined thickness. The layers formed on the trench etch stop layer are etched to form a trench(19) by a trench etch process. The inorganic BARC, the polymer deposition preventing layer and the trench etch stop layer that are exposed by the formation of the trench are sequentially removed to form a dual damascene pattern(179) made of the via hole and the trench.
Patent KR-20050010587-A (KR)
Inventor: KIM SI JUNG
IPC: C12G3/00
Filed: 2003-07-21
Abstract: PURPOSE: Mulberry wine and a preparation method thereof are provided, which mulberry wine has high fermentation yield, and improved taste, flavor and color, and contains useful components of mulberry. CONSTITUTION: The mulberry wine comprises 4 to 15 parts by weight of mulberry, 2 to 8 parts by weight of Japanese apricot(maesil), 0.1 to 2.0 parts by weight of asparagine and 100 parts by weight of raw starch materials, wherein the raw starch material is selected from polished rice, glutinous rice, unpolished rice, wheat flour and sweet potato starch. The method for preparing the mulberry wine comprises the steps of: (1) steaming the raw starch materials, inoculating seed koji into the steamed raw starch materials and maintaining the temperature of the materials to prepare koji; (2) adding purified water and yeast into the koji and fermenting the mixture; (3) adding raw starch materials and purified water into the fermented solution, fermenting the mixture, and adding Japanese apricot(maesil), mulberry and asparagine into the fermented mixture; (4) fermenting the mixture at 24 to 26 deg. C; (5) maturing the fermented mixture to precipitate the mixture; (6) filtering the mixture to remove precipitation; and (7) adding acidulant and sweetener into the filtered wine, and sterilizing and packaging it.
Patent KR-20050011759-A (KR)
Inventor: JEONG JUN HO
IPC: H04N5/33
Filed: 2003-07-23
Abstract: PURPOSE: A method for controlling multiple temperatures of a non-cooling thermal imaging device is provided to improve low-temperature and high-temperature characteristics of the thermal imaging device by widening a temperature control range of a TEC(Thermo-Electric Cooler) and reducing a difference between a TEC setting temperature and a surrounding temperature. CONSTITUTION: The temperature of the current environment is sensed(300). The sensed temperature is compared with a predetermined plurality of reference temperatures to select a reference temperature of the most similar to the sensed temperature(301,302,303,304,305). The selected reference temperature is set as the operating temperature of a thermal imaging device(306).
Patent KR-20050015677-A (KR)
Inventor: HWANG GI SOON
IPC: G09G3/36
Filed: 2003-08-07
Abstract: PURPOSE: A liquid crystal device and a method for driving the same are provided to prevent the flicker effect by applying the same voltage to the central voltage of the common voltage and the data voltage. CONSTITUTION: A liquid crystal device includes a gray level voltage generation unit(800), a reference voltage generation unit(40) and a common voltage feedback unit(50). The gray level voltage generation unit generates a plurality of gray level voltage. The reference voltage generation unit applies the preset reference voltage to the gray level voltage generation unit as a central voltage of gray level voltage. The reference voltage generation unit applies the preset reference voltage to the liquid crystal display panel assembly as a common voltage. And, the common voltage feedback unit generates the feedback voltage removing the direct component by feedback the common voltage at the predetermined position of the liquid crystal display panel assembly to apply the feedback voltage to the gray level voltage generation unit.
Patent KR-20050017325-A (KR)
Inventor: JEONG YU YONG
IPC: H04N5/66
Filed: 2003-08-13
Abstract: PURPOSE: A shielding device for an A/V jack in a video display device is provided to effectively shield an electromagnetic wave emitted from the A/V jack and reduce influence from the discharge noise of a PDP(Plasma Display Panel) module. CONSTITUTION: A ground conductive flap(210) covers an A/V circuit board(203). The ground conductive flap is elastically contacted with a conductive ground part(204a) formed in an external circumference surface of an A/V jack(204). The ground conductive flap is formed in a conductive A/V shielding cover(209). The conductive A/V shielding cover is installed in an A/V bracket(202). A plurality of heatproof holes(213) with a certain diameter are formed in the A/V shielding cover.
Patent KR-20050019311-A (KR)
Inventor: HWAWG BEOM YEONG
IPC: H03K17/14
Filed: 2003-08-18
Abstract: PURPOSE: An apparatus and a method for compensating a reference voltage according to temperature rising in a DC(Direct Current)/DC converter are provided to improve stability of an output power source by detecting temperature variation due to a switching operation through a thermistor and adjusting a value of the reference voltage. CONSTITUTION: First and second switches(Q1,Q2) apply supplying power through switching operation. A controller(101) alternatively switches the first and second switches. A comparator compares the supplying power with a reference voltage to output the difference value to the controller. The second switch is integrated with a temperature detector(201) which detects temperature variation according to the switching operation to adjust a value of the reference voltage applied to the comparator. The temperature detector is a thermistor.
Patent KR-20050020435-A (KR)
Inventor: JUNG HYO JAE
IPC: H01L21/302
Filed: 2003-08-22
Abstract: PURPOSE: An apparatus is provided to reduce working time and to improve working efficiency by processing simultaneously both sides of a panel regardless of the thickness of the panel. CONSTITUTION: An apparatus includes a transfer part, two pairs of support pillars, a plasma generator, a gas nozzle, and a controller. The transfer part(12) is used for transferring a panel(10) in a predetermined direction. The two pairs of support pillars(14) are arranged to be parallel with the panel. The plasma generator for generating plasma against the entire surface of each side of the panel is connected with each support pillar and a driving bracket(30). The gas nozzle is connected to one side of the plasma generator. The controller(20) is used for supporting the support pillars and controlling the generation of plasma and the spray of gas.
Patent KR-20050023194-A (KR)
Inventor: KIM YEONG JIN
IPC: H04B7/26
Filed: 2003-08-27
Abstract: PURPOSE: A handover method for preventing a packet loss in a portable Internet network is provided to sequentially perform handover processes of a wired section and a wireless section when a terminal enters other cell having a different IP subnet, thereby preventing path incompatibility. CONSTITUTION: The first PAR(Packet Access Router) transmits a handover request to the second AP, so that the second PAR and the second AP prepare for resource assignments for handover(S100). The first PAR transmits context information to the second PAR, while the first AP transmits maintenance information to the second AP(S200). The first PAR transmits a packet to the second AP via the second PAR by using a tunnel generated between the first and second PARs(S300). When the first AP forwards packets, which are not transmitted to an AT, to the first PAR, the first PAR sends the packets to the second AP(S400). The AT performs a handover process of a wired section through mobile IP registration in a new PAR area(S500). The tunnel between the first and second PARs is deleted(S600).
Patent KR-20050023520-A (KR)
Title: Oil filter purifier for transformer
Inventor: HONG JIN PYO
IPC: H01F27/12
Filed: 2003-08-28
Abstract: PURPOSE: An oil purifier for transformers is provided to elongate lifetimes of an absorption filter and the oil purifier by using a magnet for attracting and removing pollutants in the oil or the absorption filter. CONSTITUTION: An oil purifier tank(10) supplies and drains dielectric oil via inlet and outlet tubes. A tank cover(11) covers the oil purifier tank. A pump(12) is connected to the inlet tube to circulate the dielectric oil. An absorption filter(18) is connected to the outlet tube and absorbs and removes pollutants in the dielectric oil. A magnet(50) is attached to one side of the absorption filter. The magnet attracts metallic pollutants absorbed by the absorption filter and removes the attracted metallic pollutants.
Patent KR-20050022462-A (KR)
Inventor: LEE SE HEE
IPC: H04B7/26
Filed: 2003-09-01
Abstract: PURPOSE: An idle handoff method is provided to perform a handoff process only when a signal of a neighboring base station is continuously and strongly maintained for a certain period, thereby preventing a battery life from being decreased owing to a frequent handoff. CONSTITUTION: A system stores information on a neighboring base station which transmits the strongest signal when a mobile terminal is activated. The system decides whether a signal strength is bigger than an idle handoff reference value. If not, the system performs a handoff process, and if the strength is bigger, the system confirms whether the signal is continuously received. If not, the system does not perform the handoff process, and if the signal is received, the system decides whether the signal is bigger than a signal strength received from a current base station while being continued. If so, the system performs the handoff process to the neighboring base station.
Patent KR-20050023668-A (KR)
Inventor: KIM JIN OOK
IPC: G03F1/00
Filed: 2003-09-02
Abstract: PURPOSE: Provided are a soft mold having magnetic control device used in soft lithography and soft molding for forming micropattern in electronic circuit, especially, for the soft mold sufficient to adapt in mass-production, and automated soft mold system including the same. CONSTITUTION: The method comprises steps of forming a master with any pattern; pouring first elastomer on top of the master(A) to form pre-polymer; curing the pre-polymer layer(104) in first curing process; forming magnetized material on top portion of the cured pre-polymer; pouring second elastomer on top of the pre-polymer layer containing the magnetized material then completely curing the pre-polymer layer in second curing process; and releasing the completely cured polymer layer including the magnetized material. The produced soft mold has unevenness on one side and the magnetized material parallel to the unevenness side.
Patent KR-20040024838-A (KR)
Title: Modulated air cushion
Inventor: TASI JEN HSIU
IPC: A47C27/10
Filed: 2003-09-08
Abstract: PURPOSE: Provided is an improved modulated air cushion having a plurality of air pouches which are removably attached to the top face of the base in a matrix arrangement. CONSTITUTION: The modulated air cushion includes a base(10) having a top face, multiple air pouches(20) removably attached to the top face of the base(10) in a matrix arrangement via a bonding device. Each air pouch(20) has an inlet(22) formed on the air pouch(20). A controller(31) and two tubes(32,33) connected to the controller(31) is provided to an air pump(30). Each of the two tubes(32,33) as one body has branches having multiple air nozzles(321,331) corresponding to the inlets(22) of the air pouches(20). The air pump(30) is able to inflate air pouches(20) in odd and even columns or odd and even rows independently or simultaneously.
Patent KR-20050029077-A (KR)
Title: Device and method of viterbi decoding
Inventor: CHO EING SEOB
IPC: H03M13/41
Filed: 2003-09-20
Abstract: A Viterbi detecting device and a method are provided to process multiple bits in one operational clock by using a supplementary clock which is 1/n of a main clock, and to remove a path of a signal having a shorter period than an undiscovered input code, thereby increasing an operational speed. A divider(660) generates a supplementary clock produced by dividing a main clock in 1/n(n is a natural number of more than 2). A serial to parallel converter(620) outputs a branch metric calculated at main clock interval in n state unit. A parallel to serial converter(650) converts output data of a path memory(640) into serial data at supplementary clock interval. When a path selected by an ACS(Adding Comparing Selecting) unit(630) is operated with an existing clock, a path of a signal which is not matched with a code condition is removed.
Patent KR-20050029362-A (KR)
Title: Mesoporous ceramic structure, and preparation method for the same
Inventor: KIM JEONG YEON
IPC: C04B38/00
Filed: 2003-09-22
Abstract: Provided is a method for preparing mesoporous ceramic structures having a new crystal structure different from the crystal structure of silica template by using mesoporous silica as a template. A cubic mesoporous ceramic structure having a new crystal structure is prepared by using mesoporous silica as a template. The silica template has 2-3mm of diameter, a pair of mesopore channel(not interconnected) in a mirror-image relation and strong XRD peak at 2theta=2.35deg, and a new structured mesoporous ceramic structure has 4-4.5mm of diameter, homogeneous mesopore channel(interconnected), and strong XRD peak at 2theta=1.64deg and weak XRD peak at 2theta=2.74deg corresponding to the peak of the silica template. The mesoporous ceramic structure is prepared by the following steps of: (i) preparing a mesoporous silica template(M48T) from organic surfactant and silica-source; (ii) preparing a silica-carbon template composite(M48T-carbon composite) by pouring a carbon precursor into mesopore of the silica template(M48T) and carbonizing, wherein the carbon precursor is an addition polymer obtained by polymerizing divinyl benzene with azobisisobutyro nitrile(AIBN) or a condensation polymer obtained by polymerizing phenol and formaldehyde under AlCl3 catalyst; (iii) preparing a mesoporous carbon structure(M48T-C) by etching the silica-carbon template composite with HF or NaOH to remove silica used as a template; (iv) preparing a mesoporous carbon structure(HUM-1) by pouring ceramic precursor, such as silica precursor(tetraethoxy silane(TEOS)), into the mesopore of mesoporous carbon structure and sintering.
Patent KR-20050030651-A (KR)
Title: Method for fabricating semiconductor device
Inventor: KIM IN SU
IPC: H01L27/115
Filed: 2003-09-25
Abstract: A method of manufacturing a semiconductor device is provided to remove defects from the device itself by using defect removing etching. An oxide layer, a floating gate conductive layer, a dielectric film and a control gate conductive layer are sequentially formed on a semiconductor substrate with an isolation layer. A gate structure is formed by patterning selectively the oxide layer, the floating gate conductive layer, the dielectric film and the control gate conductive layer. A self-aligned source mask pattern(26) is formed thereon. The isolation layer is removed from the resultant structure through the self-aligned source mask pattern. An ion-implantation is performed thereon. A damage removing process is performed on the resultant structure by using chemical dry-etching.
Patent KR-20050032357-A (KR)
Title: Day and night camera
Inventor: JEON BYOUNG JUN
IPC: H04N5/225
Filed: 2003-10-01
Abstract: A day and night monitoring camera is provided to prevent that a night mode is converted into a day mode although infrared lighting is voluntarily incident at night by blocking an infrared ray in an infrared blocking filter. An infrared blocking filter(204) attached at one side of a monitoring camera blocks an infrared ray inputted from the outside. A CDS sensor(208) measures the intensity of light inputted through the infrared blocking filter, and transmits the measured light intensity to a control unit(112) so that the control unit transmits a control signal for selecting a day/night mode. The infrared blocking filter blocks the wavelength of an infrared region, and passes only the wavelength of a visible ray region.
Patent KR-20050034009-A (KR)
Title: Method for processing schedule management function in mobile communication terminal
Inventor: YOO SUNG JUN
IPC: H04B1/40
Filed: 2003-10-08
Abstract: A method for performing a schedule management function in a mobile communication terminal is provided to supply a function of retrieving schedule-registered dates in various ways, and to modify/delete retrieved schedule items, so that a user can easily retrieve a desired schedule while easily managing registered schedules. An MPU(Micro Processor Unit) checks whether a 'schedule management' menu item is selected(201). If so, the MPU displays a calendar, and checks whether a direction key is inputted(203,205). If so, the MPU moves a selected display(207), and checks whether an OK key is inputted(209). If not, the MPU checks whether a menu key is inputted(211). If so, the MPU displays menu items corresponding to the menu key by using a pop-up window(213). The MPU checks whether a 'new schedule registration' item is selected(215). If not, the MPU checks whether an 'entire schedule delete' item is selected(217). If not, the MPU checks whether a 'schedule retrieve' item is selected(219). If so, the MPU carries out a schedule retrieve mode(221).
Patent KR-20050035482-A (KR)
Inventor: HONG YOUNG PYO
IPC: B60J5/04
Filed: 2003-10-13
Abstract: 본 발명은 자동차용 도어첵커의 작동억압장치에 관한 것으로, 슬라이더를 상기 첵커암의 방향으로 탄발 지지하는 쿠션을 상기 첵커암의 방향으로 더 탄발 지지하도록 상기 쿠션의 끝단에 하우징의 내측면에 지지됨과 더불어 볼트의 삽/출에 따라 이동되는 압박쿠션이 더 구비됨에 따라, 상기 슬라이더와 첵커암의 마모와 관계없이 상기 첵커암에 슬라이더가 항상 일정한 압력을 유지하면서 밀착되면서 상기 도어의 작동억압이 항상 일정하게 유지되도록 된 것이다.
Patent KR-20050035793-A (KR)
Inventor: ISOBE KANJI
IPC: C09D175/04
Filed: 2003-10-14
Abstract: 본 발명은 도상안정제 조성물에 관한 것으로, 그 내후성의 향상을 위해 자외선을 흡수하는 물질을 포함하고, 접착력을 향상시키기 위하여 우레탄계 열가소성 폴리머의 접착력을 향상시키는 물질을 포함하면서도, 철로 도상에 존재하는 자갈의 비산을 방지하기 위해 사용되는 도상안정제로서 그 내후성과 접착력을 전체적으로 향상시킬 수 있도록 조성된 도상안정제 조성물에 관한 것이다.
Patent KR-20050037290-A (KR)
Inventor: YUW CHANG GUK
IPC: B60S1/32
Filed: 2003-10-18
Abstract: 본 발명은 노즐 일체형 와이퍼에 관한 것으로, 차체 전면 바디판넬(1)에 와이퍼 모터와 축지 연결된 구동부재(10)가 체결 고정되며, 상기 구동부재(10)의 일측과 와이퍼 암(30)의 일단부가 힌지 연결되고, 윈드실드 글라스(2)를 세척하는 와이퍼(20)로 와셔액을 분사하는 와셔노즐(21)이 일체로 장착되고, 상기 와이퍼(20)의 중앙부로는 와이퍼 암(30)의 끝단부와 연결 설치되며, 차체 내부에 구비된 와셔 펌프와 와셔노즐(21)을 연통되게 연결하여 와셔액을 공급하는 와셔호스(22)가 상기 와이퍼 암(30)저부로 구비되도록 한 것에 있어서; 
     상기 구동부재(10)의 상부로 위치되며, 몸체 내부로는 고정비드(41)가 형성되어 와셔호스(22)를 몸체 내부로 수납할 수 있도록 한 와이퍼 암 커버(40)가 상기 구동부재(10)와 와이퍼 암(30)의 힌지 연결부에 회동가능하게 축지연결되어 달성된다. 
     상기와 같은 본 발명의 구성에 의하면, 와이퍼 암 커버에 의해 와셔 호스의 노출을 방지하여 외관미를 향상시키며, 와셔호스의 파손 등을 방지하여 내구성을 향상시킬 수 있다. 
     또, 와이퍼 암 등을 교체 및 수리시에 와이퍼 암 커버를 개방하게 되면, 와셔호스도 와이퍼 암 커버와 같이 이동됨으로써, 작업자에게 불필요한 간섭을 일으키지 않게 되어 편의성이 증대된다. 
     그러므로, 제품의 신뢰성 및 상품성을 향상시킬 수 있는 매우 유용한 발명인 것이다.
Patent KR-20050039071-A (KR)
Inventor: ROH JONG JIN
IPC: B21D15/02
Filed: 2003-10-23
Abstract: 본 발명은, 기계식 벨로즈성형기에 관한 것으로서, 특히, 가압실린더에 의하여 승,하강하는 가압판으로 가압핀부재를 압착하고, 가압핀부재에 의하여 수평으로 확장하는 탄성슬라이더수단의 다수의 슬라이더를 이용하여 원형튜브를 확관하여 벨로즈관을 기계식으로 제작하므로 작업성 및 생산성을 향상하도록 하고, 정교하고 견고한 제품을 제조하도록 하는 매우 유용하고 효과적인 발명에 관한 것이다.
Patent KR-20050042616-A (KR)
Inventor: HA JU HYUNG
IPC: E04B1/16
Filed: 2003-11-03
Abstract: 본 발명은 양생시 팽창하는 팽창콘크리트를 이용하여 일반콘크리트의 초기 건조 수축율을 보상하고 수밀성을 증대시킬 수 있는 영구 거푸집 구조를 이용하는 콘크리트 구조물에 관한 것으로, 연속되는 단면을 갖고 수용되는 보강철물이 부분적으로 노출되는 중공의 모재와, 상기 모재의 내벽에 부분적으로 함입되어 노출 배치되는 다수의 골재로 이루어지는 영구 거푸집 및 일반 콘크리트를 포함하고, 상기 일반 콘크리트의 초기 수축율을 보상하도록 상기 일반 콘크리트에 소정비율로 배합되는 팽창재를 포함하여 상기 모재에 타설/형성되는 콘크리트층;을 포함하여 구성되는 것을 특징으로 한다.
Patent KR-20050042695-A (KR)
Inventor: LEE HYUNG KYU
IPC: H04L9/08
Filed: 2003-11-04
Abstract: 인증 시스템 및 인증 방법이 개시된다. 인증 DB 관리부는 패스워드에 대한 소정의 논리연산값을 인증 데이터베이스에 저장한다. 제1메시지 생성부는 제1랜덤값을 기초로 생성한 제1공개값을 포함하는 제1메시지를 생성하여 서버로 전송한다. 세션키 생성부는 제1공개값 및 제1메시지에 대한 응신으로 서버로부터 수신한 제2공개값을 기초로 세션키를 생성한다. 랜덤값 산출부는 서버에 의해 상기 인증 데이터베이스로부터 독출된 논리연산값을 서버로부터 수신한 후 수신한 논리연산값으로부터 상기 패스워드를 이용하여 제2랜덤값을 산출한다. 제2메시지 생성부는 세션키, 제2랜덤값 및 제2공개값을 기초로 생성한 제2메시지를 서버로 전송한다. 이로써, 통신 오류 및 네트워크 지연에 의한 영향을 줄일 수 있다.
Patent KR-20050046265-A (KR)
Inventor: KO IN YOUNG
IPC: G01N33/96
Filed: 2003-11-13
Abstract: 본 발명은 전립선암 및 전립선 비대증 진단 키트에 관한 것으로, 더욱 상세하게는 면역크로마토그래피(Immunochromatography) 법을 이용하여 혈액내의 전체 전립선-특이 항원 및/또는 단독형 전립선-특이 항원의 양을 키트 상에서 반 정량적으로 각각 측정할 수 있는 진단 키트에 관한 것이다. 상기 진단 키트는 전립선암 환자를 육안으로 간단하고 신속하게 진단할 수 있고 전립선암 환자를 전립선 비대증 환자로부터 명확하게 구별할 수 있다.
Patent KR-20050046895-A (KR)
Inventor: KIM JAE KWANG
IPC: H01G13/00
Filed: 2003-11-14
Abstract: 본 발명은 콘덴서 소자와 리드프레임의 접촉 구조를 개선하여 콘덴서 소자가 보다 큰 체적을 갖도록 하여 체적효율을 개선한 고체전해 콘덴서에 관한 것이다. 
     본 발명의 고체전해 콘덴서의 콘덴서 소자는 전방면으로부터 양극 리드 와이어가 돌출되고 외표면에 음극층이 형성된다. 음극 리드프레임은 상기 콘덴서 소자의 후방면 전체에 면접촉되는 평판 형상이다. 양극 리드프레임은 끝단 중심부분에 오목부가 형성되어 상기 오목부에 상기 콘덴서 소자의 양극 리드 와이어가 안착되어 전기적으로 연결되도록 하며, 몰드가 상기 콘덴서 소자, 음극 리드프레임, 및 양극 리드프레임을 감싸도록 형성된다.
Patent KR-20040044353-A (KR)
Inventor: KUMAGAI MINORU
IPC: H05B33/14
Filed: 2003-11-18
Abstract: PURPOSE: A display device including an optical element having an optical material layer, a fabricating method thereof, and an apparatus for fabricating a display device are provided to form rapidly the optical material layer by printing droplet of optical material containing liquid on a substrate. CONSTITUTION: A display device includes a substrate(12), a first electrode, a second electrode, and an optical material layer. The first and the second electrodes are formed on the substrate. The optical material layer is formed between the first electrode and the second electrode. The optical material layer is formed by bringing a droplet of an optical material containing liquid(60r). The optical material containing liquid is printed on a surface of the substrate.
Patent KR-20050049181-A (KR)
Inventor: CHUNG EEK JOO
IPC: H04R19/01
Filed: 2003-11-21
Abstract: 본 발명은 SMD 후에도 지향특성이 양호한 SMD 가능한 지향성 콘덴서 마이크로폰에 관한 것이다. 이러한 본 발명의 지향성 마이크로폰은 바닥면에 전방음향을 유입하기 위한 음공이 형성되고 타면이 개구된 통형으로 되어 개구면이 커링된 케이스;  케이스에 삽입되어 내부 소자를 외부 열로부터 보호함과 아울러 절연기능을 제공하기 위한 절연링; 절연링 안에서 케이스의 바닥면에 접촉되는 폴라링;  절연링 안에서  폴라링에 접촉되는 진동막;  절연링 안에서  진동막에 접촉되는 스페이서;  절연링 안에  스페이서를 사이에 두고 진동막과 대향하도록 삽입된 백플레이트;  절연링 안에서 백플레이트를 지지함과 아울러 백플레이트에 대한 전기적인 접속통로를 제공하기 위한 도전링; 및  도전 금속링을 통해  백플레이트와 전기적으로 연결되고,  케이스를 통해 상기 진동막과 전기적으로 연결되며, 후방음향을 유입하기 위한 음공이 형성되어 있는 PCB를 포함하여 양방향성 지향특성을 제공한다.
Patent KR-20050051985-A (KR)
Inventor: KO JAE HEUNG
IPC: G06Q50/10
Filed: 2003-11-28
Abstract: 본 발명은 아바타 시스템 및 아바타 생성 방법에 관한 것으로, 보다 상세하게는 아바타 생성 모듈을 사용자 단말기에 전송하여 상기 사용자 단말기의 바탕화면에 아바타를 생성하는 시스템 및 아바타 생성 방법을 제공하는 데에 그 목적이 있다. 전술된 본 발명의 목적을 달성하기 위한 아바타 시스템은, 네트워크를 통하여 다수의 단말기와 연결되는 아바타 시스템에 있어서, 각 사용자 별로 성명, 연락처, 주민등록번호, 아이디 및 비밀번호가 저장되는 사용자 데이터베이스; 상기 사용자 데이터베이스에 등록된 사용자의 인증을 처리하는 사용자 인증 모듈; 상기 사용자의 아바타 아이템의 데이터를 저장하는 아바타 데이터베이스; 상기 아바타 데이터베이스의 사용자 별로 저장된 아바타 아이템의 고유 값을 이용하여 사용자의 단말기에 상기 사용자의 아바타를 디스플레이하는 아바타 생성 모듈; 을 포함하고, 상기 아바타 생성 모듈은 상기 사용자 단말기에 전송되어, 상기 사용자 단말기 상에서 동작한다.