baber/WOPTO huggingface dataset:
Patent KR-20070081483-A (KR)
Title: Efficiency increase device of clutch pedal and method thereof
Inventor: WON YOUNG DEOK
IPC: B60K23/02
Filed: 2006-02-13
Abstract: An apparatus and a method for improving efficiency of a clutch pedal is provided to improve manipulation feeling by tuning stepping force and stroke through adjustment of oil pressure ratio regardless of using a return spring for a clutch pedal. An apparatus for improving efficiency of a clutch pedal comprises a stepping force sensor(110) for measuring a stepping force of a clutch pedal(100) and transmitting the measured stepping force to an ECU(300). A stroke sensor(120) measuring a stroke of a rod(210) of a CMC(200), multiplying measured stroke by a pedal ratio, and transmitting the multiplication result to the ECU(300). Pipes(500,600) form an oil pressure path. Flow rate adjustment valves(530,630) are installed at the pipes(500,600) to adjust a flow rate under the control of the ECU(300). The ECU(300) controls opening and closing of the flow rate adjustment valves(530,630).
Patent KR-20060092092-A (KR)
Inventor: TAKEBE KAZUO
IPC: G03F7/004
Filed: 2006-02-14
Abstract: (A) 바인더 수지, (B) 광중합성 (photo-polymerizable) 화합물, (C) 광중합 개시제, (D) 용매 및 하기 화학식 (I) 의 화합물을 함유하는 감광성 수지 조성물: 
     
       
     
     (화학식 (I) 중, X, Y 및 Z 는 각각 독립적으로 단일 결합, 하기 화학식 (I-1) 의 기 또는 하기 화학식 (I-2) 의 기를 나타내고, 
     
       
     
     R 1  내지 R 3  은 각각 독립적으로 수소 원자, 할로겐 원자, 탄소수 1 내지 6 의 알킬기 또는 탄소수 1 내지 6 의 알콕실기를 나타내고, 동일한 벤젠 고리 상의 R 1 , R 2  및 R 3  은 동일 또는 상이할 수 있고, 또한 
     R 4  내지 R 6  은 각각 독립적으로 수소 원자 또는 탄소수 1 내지 4 의 알킬기를 나타냄). 
     감광성 수지 조성물
Patent KR-20060024832-A (KR)
Inventor: NISHIMURA EIICHI
IPC: H01L21/304
Filed: 2006-02-22
Abstract: 기판의 부착물을 제거하고 청정한 기판을 수득할 수 있는 기판의 표면 처리 방법을 제공한다. 
     웨이퍼(W)의 표면에 형성된 절연막(301)에 레지스트층(302)을 이용하여 소스 드레인 콘택트용 콘택트 홀(303)이 형성된 웨이퍼(W)에, SPM 세정을 수행하여 금속 컨태미네이션(305)을 제거하고, DHF 세정을 수행하여 웨이퍼(W)상에 발생된 자연 산화막을 제거하고, 스핀 건조를 수행한다.  다음으로, 웨이퍼(W)를 암모니아 및 불화 수소 가스의 혼합 기체에 소정 압력 하에서 폭로하고, 워터마크(307)를 형성하는 SiO 2 로부터 변질된 착게 구조를 갖는 생성물을 소정 온도로 가열한다.
Patent KR-20060108209-A (KR)
Title: Belt cleaner
Inventor: YOSHIZAKO KAGEYOSHI
IPC: B65G45/12
Filed: 2006-03-10
Abstract: A belt cleaner device is provided in which assembling of a frame and a cleaner head may be performed easily and quickly.  A belt cleaner device comprises a frame 3 and one or more cleaner heads 1. The frame 3 includes a support face (3a) on its upper surface, and a support hole (33) through the frame. The cleaner head (1) includes a contact face (14) on its undersurface, and an anchor (16) projecting downward from the contact face (14). The cleaner head (1) is supported so as not to be rotated about the running direction of the belt by contacting the contact face (14) and the support face (3a) with each other. The cleaner head (1) is fixed to the frame (3) by fixedly inserting the anchor (16) in the support hole (33).  The cleaner head (1) further provides a concave (21) in at least one of the front and rear walls (13) (15) to form a strike seat (22) at the bottom of the concave (21). The strike seat (22) is struck with a hammer or the like so that the anchor (16) is pressed and inserted in the support hole (33).
Patent KR-20070093676-A (KR)
Title: Method for manufacturing the stacked semiconductor device
Inventor: LEE HYUN SUK
IPC: H01L21/28
Filed: 2006-03-15
Abstract: A method for manufacturing a stack type semiconductor device is provided to reduce sufficiently contact resistances of a silicon pattern and a silicon substrate by forming ohmic structures on a surface of the silicon substrate and at sidewalls of the silicon pattern using different materials. Interlayer dielectrics and interlayer silicon pattern are sequentially deposited on a silicon substrate(100). A thin film structure is formed on the resultant structure. The thin film structure has a contact hole capable of exposing partially the silicon pattern and the substrate to the outside. A first ohmic pattern(130) made of a cobalt silicide layer is formed on the resultant structure to cover the exposed portion of the substrate. A second ohmic pattern(132) made of a tungsten silicide layer is formed on the resultant structure to cover the exposed portion of the silicon pattern. A barrier metal(134) is formed along the contact hole. The contact hole is filled with a metal pattern(136).
Patent KR-20060102279-A (KR)
Inventor: SAKATA KEN
IPC: H05K1/02
Filed: 2006-03-20
Abstract: 커버층 필름을 배선 패턴의 표면에 점착하는 경우에 단부로부터의 박리나 기포의 발생 등을 가급적 방지할 수 있는 플렉서블 프린트 배선 기판 및 플렉서블 프린트 배선 기판의 제조방법 및 반도체 장치를 제공한다. 
     절연성 베이스 필름 표면에 도전성 금속으로 이루어지는 배선 패턴이 형성되고, 상기 배선 패턴의 표면에 상기 배선 패턴의 단자 부분이 노출되도록 절연성 커버층 필름을 점착함으로써 상기 배선 패턴이 보호되는 플렉서블 프린트 배선 기판으로서, 상기 커버층 필름으로 보호되는 부분의 일부에 상기 배선 패턴이 형성되어 있지 않은 경우, 상기 배선 패턴이 형성되어 있지 않은 부분에 상기 배선 패턴과 대략 동일한 단면 형상의 더미 패턴이 배치되어 있는 것을 특징으로 한다.
Patent KR-20070096165-A (KR)
Title: System and method for urgent message service
Inventor: SEO JIN HONG
IPC: H04W4/90
Filed: 2006-03-21
Abstract: An emergency message service system and method are provided to effectively transfer emergency contents to a subscriber via a person around the subscriber when the subscriber is not contacted by utilizing a location tracking function of a mobile terminal and an address list of the subscriber. A location information server(180) provides location information of an emergency SMS service subscriber terminal and mobile terminals having phone numbers included in an address list of the emergency SMS service subscriber. An address list management server(190) manages address list information of each emergency SMS service subscriber. When emergency SMS service request information including a particular emergency SMS service subscriber terminal number, emergency contents and a service requester terminal number is received, an emergency SMS service server(200) obtains location information of the subscriber terminal and location information of a person who is close to the subscriber included in an address list of the subscriber, and transmits an emergency SMS including the emergency message contents and information on the subscriber who will receive the message to the terminal of the person close to the subscriber.
Patent KR-20060034662-A (KR)
Inventor: KIM YONG HO
IPC: E01C19/05
Filed: 2006-03-23
Abstract: 본 발명은 방수재료로 널리 사용되는 고체 상태의 아스팔트를 가열하여 용융하는 가열 융해장치에 관한 것이다. 
     본 발명의 주요구성은, 작업현장에 용융된 아스팔트를 공급하기 위해 고체 상태의 아스팔트를 용융시키는 종래의 가열 융해장치에 있어서, 상부를 개방 또는 폐쇄시키는 도어가 구비되고, 상기 도어를 통해 투입된 고체아스팔트가 수용되는 수용부가 형성되며, 단열재가 내장된 이중벽으로 전체가 이루어진 하우징과; 상기 하우징의 수용부 전·후방면 및 하면을 감싸며 설치되고, 그 내부에 열전달 매체가 충진되는 가열실과; 상기 가열실에 설치되어 외부에서 공급된 전력에 의해 열을 발산하여 열전달 매체를 가열하는 다수개의 히터를 포함하여 이루어진 것을 특징으로 한다. 
     따라서 본 발명은, 고체 상태의 아스팔트가 수용되는 수용부의 전·후방면 및 하면을 감싸도록 열전달 매체가 충진된 가열실을 형성하고, 상기 가열실에 다수개의 히터를 설치하여, 히터에 의해 가열된 가열실의 열전달 매체가 수용부에 수용된 고체 상태의 아스팔트를 용융시킬 수 있도록 함으로써, 수용부의 고체 상태의 아스팔트를 빨리 용융시킬 수 있으며, 작업을 장시간 중단하는 동안에도 전원을 공급하여 용융상태를 유지할 수 있으므로, 아스팔트를 용융하는 시간을 단축하여 작업능률을 향상시킬 수 있는 효과가 있다. 
       
     아스팔트, 가열, 융해장치, 용융, 히터, 베벨기어, 임펠라
Patent KR-20060105680-A (KR)
Inventor: SASAKI AKIRA
IPC: F16L59/05
Filed: 2006-03-31
Abstract: 본 발명은 발열체를 구비하거나 단열 기능을 가지며, 대상물을 포위하도록 개방 상태로부터 감기는 단열 재료로 이루어지는 포위체와, 고정 유닛을 포함하는 피복 부재를 제공하며, 상기 고정 유닛은 내열성의 탄성 재료로 이루어지는 링과, 이 링에 장착되어 있는 후크를 구비하는 결합 부재와, 상기 포위체의 일단에 배치되고, 상기 결합 부재의 링을 고정시켜 결합 부재를 유지하는 유지 부재와, 상기 유지 부재에 대응하도록 포위체의 타단에 배치되어 있고, 상기 결합 부재의 후크와 결합되는 수용 금구(金具)가 있는 수용 부재를 구비한다.
Patent KR-20070003542-A (KR)
Title: Inkjet image forming system and method for increasing printing speed
Inventor: BEAK O HYUN
IPC: B41J29/393
Filed: 2006-04-03
Abstract: An ink jet image forming system and a method for increasing the print speed of the same is provided to increase the print speed of the ink jet image forming system by overlapping the print data processing and transferring time and the maintenance operation time. In a method for increasing the print speed of an ink jet image forming system including an ink jet image forming unit(125) and a host(200), the ink jet image forming unit includes a print head and a maintenance portion and is connected to the host. The performance time of a first process for processing print data in the host and transferring the print data to the ink jet image forming unit is at least partially overlapped with the performance time of a second process for maintaining the print head.
Patent KR-20070101462-A (KR)
Title: The centripetal turbine
Inventor: JU NAM SIK
IPC: F01D1/08
Filed: 2006-04-10
Abstract: A centripetal turbine is provided to simultaneously perform generation and cooling to perfectly collect kinetic energy of fluid through the centripetal turbine, and readily discharge condensed water. A centripetal turbine includes a plurality of nozzles(12), and a turbine. The plurality of nozzles are disposed in a circumferential direction of a housing. The turbine is disposed in the nozzles to be rotated. The turbine includes a plurality of rotary blades(13a) opposite to the nozzles. The blade has a substantially arc shape. Vanes(13b) are integrally formed with the rotary blades such that fluid collided with the rotary blades is directed to a center part thereof. The vanes are disposed to form symmetrical relationship with the rotary blades. When the fluid is collide with the rotary blade, kinetic energy of the fluid is transmitted to the rotary blades such that condensed water is pushed to the center part thereof.
Patent KR-20060108234-A (KR)
Inventor: TAKAGI KATSUTOSHI
IPC: C23C14/34
Filed: 2006-04-11
Abstract: Al을 주로 함유하는 Al계 스퍼터링 타겟은 0.2㎛ 이상의 최대 깊이 및 0.2㎛ 이상의 상당 면적 직경을 갖는 오목 결함의 총수가 스퍼터링 평면에 상응하는 스퍼터링 타겟 표면의 단위 표면적[㎟] 당 45000 이하이다.  또다른 Al계 스퍼터링 타겟은 0.1㎛ 이상의 최대 깊이 0.5㎛ 이상의 상당 면적 직경을 갖는 오목 결함의 총수가 표면 상의 단위 표면적[㎟] 당 15000 이하이다.  이들 스퍼터링 타겟은 사용시, 특히 사용 초기 단계에서 스퍼터링 불량(스플래쉬 및/또는 아크)의 발생 기간 및 개수가 감소된다.
Patent KR-20070104071-A (KR)
Title: Display apparatus
Inventor: YOON YOUNG HO
IPC: G02F1/1333
Filed: 2006-04-21
Abstract: A display device is provided to load easily a display panel on a normal position and to maintain a stable state of the display panel from external impact by using a guide film. A display device includes a display panel(10), a fixing plate(20) and a guide film(30). The display panel includes a first substrate(11) and a second substrate(12). The first and second substrates are disposed opposite to each other. The fixing plate includes a first opening(21) corresponding to the display panel. The display panel is loaded on a first opening region of the fixing plate. The guide film is attached on the fixing plate. A second opening(32) corresponding to the first opening is formed on the guide film in order to support a lateral surface of a rim part of the display panel. The first opening is smaller than a lower area of the display panel. The second opening is equal to or more than a lower area of the display panel.
Patent KR-20070105629-A (KR)
Title: Sensor assembly
Inventor: YANG IL SUNG
IPC: H01L21/683
Filed: 2006-04-27
Abstract: A sensor assembly is provided to re-adjust the position of a sensor by including a sensor position adjusting part capable of adjusting the position of the sensor. An assembly body(102) includes a sensor installed in a path of a sensing target to sense the sensing target. The second is installed in a sensor fixing part to couple the sensor to the assembly body. A sensor rail supplies a path in which the sensor fixing part reciprocates. A sensor position adjusting part makes the sensor fixing part reciprocate along the sensor rail to adjust the position of the sensor fixing part so that the position of the sensor is adjusted. The sensor position adjusting part includes a sensor control bolt for rotational movement and a sensor control nut connected to the sensor fixing part. The sensor control nut is coupled to the sensor control bolt to reciprocate as the sensor control bolt rotates.
Patent KR-20070106818-A (KR)
Title: Process for preparation of selective emitter in silicon solar cell
Inventor: KIM JIN HO
IPC: H01L21/265
Filed: 2006-05-01
Abstract: A method for fabricating a selective emitter of a silicon solar cell is provided to fabricate a solar cell with excellent operation efficiency by performing an impurity implantation process only once without performing a photolithography process using an exposure mask, a photoresist material, etchant for a photoresist layer and the like. A thin silicon oxide layer(20) is patterned by a CVD(chemical vapor deposition) process, a sputter deposition process or an electron beam deposition process using a shadow mask(30). The CVD process can be a PECVD(plasma enhanced chemical vapor deposition) process. By performing a thermal diffusion process of impurities at a temperature of 820-950 deg.C for a time interval of 30-180 minutes, a high-density impurity region(40) is formed in an exposed portion without an oxide layer and impurities partially penetrate the oxide layer in a portion having the deposited oxide layer to form a relatively low-density impurity region(50).
Patent KR-20070107344-A (KR)
Title: A photomask including pellicle alignment key, pellicle alignment key, an apparatuss for mounting a pellicle and method for mounting a pellicle thereof
Inventor: NO YOUNG HWA
IPC: H01L21/027
Filed: 2006-05-02
Abstract: A photomask, a pellicle alignment key, and a pellicle mounting apparatus and method are provided to stabilize a process of fabricating a semiconductor device by accurately mounting the pellicle on a surface of the photomask. A photomask includes a photomask substrate(210), a pellicle(220) mounted on the photomask substrate, and a pellicle alignment key formed on the photomask substrate. The pellicle alignment key is formed around a corner or side of the pellicle. A spacing between the pellicle alignment key and the pellicle is measured by a measuring pattern.
Patent KR-20070041299-A (KR)
Inventor: LEE SEOUNG HO
IPC: G02F1/13357
Filed: 2006-05-15
Abstract: 휘도 균일도를 향상시킬 수 있는 구조를 갖는 백라이트 유닛 및 이를 활용한 액정표시장치가 개시된다. 본 발명에 따른 백라이트 유닛은 빛을 제공하는 광원부와, 상기 광원부로부터 제공되는 빛이 입사되는 광 입사면 및 상기 광 입사면을 통해 입력된 빛이 면광으로 변환되어 출력되는 광 출사면을 포함하는 도광판을 포함하며, 상기 광 입사면은 상기 광 출사면에 수직인 면과 일정한 각도를 이루도록 배치된 것을 특징으로 한다. 
       
     도광판, 백라이트 유닛, 액정표시장치
Patent KR-20070119175-A (KR)
Title: The bag allegory which is convenient
Inventor: KIM CHANG JIN
IPC: A41D3/04
Filed: 2006-06-14
Abstract: A convenient bag type raincoat is provided to prepare a user against unexpected weather condition, to be conveniently carried by the user, and to be put on the user promptly. A left raincoat is pulled out from a bag. A right rain coat is taken out from storage places. A raincoat for a bag is taken out from a bag cover coat storage to cover the bag. A cap raincoat is able to be taken out from the storage separately or is able to be used separately. When raincoats are taken out from the bag, the rear surfaces of the raincoats are separated. Therefore, the rear portions of the raincoat are fastened by using zippers or buttons. The raincoat and the bag are detachable from each other.
Patent KR-20060085609-A (KR)
Inventor: SHINJO IZURU
IPC: G01D5/20
Filed: 2006-06-27
Abstract: 본 발명의 목적은 제품 수율이 향상된 자기 검출 장치를 마련하는 것이다.  
     피검출체에 대향하여 배치되고 자계를 발생하는 자석을 갖는 수지 성형체(2)와, 피검출체의 이동에 수반하는 자계의 변화를 검출하는 자기 저항 소자 및 저항 조정부를 조립한 IC칩(3) 및 이 IC칩(3)이 탑재된 리드 프레임(6)이 수지 밀봉된 IC 패키지(4)를 구비한 자기 검출 장치의 제조 방법으로서, IC 패키지(4) 및 수지 성형체(2)를 일체화하는 공정과, 이 후, 자기 저항 소자와 자석(1)의 상대적인 위치 어긋남에 수반하여 발생하는 신호의 어긋남을 보정하기 위해, 자계를 자기 저항 소자에 인가한 때의 자기 저항 소자로부터 생기는 신호를 저항 조정부의 조정에 의해 조정하는 공정을 포함한다. 
       
     자기 검출 장치, 자기 저항 소자
Patent KR-20080000993-A (KR)
Title: Boiler sensor
Inventor: SEONG JONG KOOK
IPC: F24H9/00
Filed: 2006-06-28
Abstract: Operation of an artificial intelligent boiler by measuring difference between indoor and outdoor temperatures is provided to prevent fuel from being wasted unnecessarily by using one sensor. Operation of an artificial intelligent boiler by measuring difference between indoor and outdoor temperatures includes the steps of: sensing indoor temperatures and outdoor temperature by using a sensor; calculating how fast the indoor temperature lowers with the sensor storing a property value with regard to material of an indoor wall; and running a boiler so that the indoor temperature rises to a predetermined temperature.
Patent KR-20080002403-A (KR)
Title: System, apparatus and method for providing multimedia messaging service according to priority
Inventor: LEE YOUNG SEON
IPC: H04W4/12
Filed: 2006-06-30
Abstract: A system for supplying an MMS(Multimedia Messaging Service) based on priority, a device thereof, and a method thereof are provided to process person-to-person MMS messages prior to MMS messages which are transmitted in large quantities, thereby increasing person's mobile communication service satisfaction as increasing an additional service usage rate of the person. An additional service device(330) sends large-capacity MMS messages having the same content. A user terminal(310) sends personal MMS messages. An MMSC(MMS Center)(350) transmits the personal MMS messages sent from the user terminal(310) to a receiver prior to the MMS messages sent from the additional service device(330) in large quantities, based on priority information recorded in headers of the MMS messages. The MMS messages have priority fields having the priority information in the headers.
Patent KR-20080003690-A (KR)
Title: Manufacturing apparatus for plasma display panel
Inventor: KWON GI YOUL
IPC: H01J11/22
Filed: 2006-07-03
Abstract: An apparatus for manufacturing a plasma display panel is provided to reduce image noise of a specific pattern on a picture and to improve image quality by controlling a forming sequence of plural electrode lines. A laser irradiating unit(110) irradiates a laser light onto an electrode material layer(130) which is formed on a substrate(120). A laser control unit(100) controls the laser irradiating unit to form a plurality of electrode lines in a first procedure and to create them with a reverse sequence in a second procedure. The laser irradiating unit irradiates the laser in the same direction substantially during the two procedures. The electrode material layer is a transparent metal material having an electrical conductibility. Controlling the forming sequence of the electrode lines improves image quality.
Patent KR-20080006417-A (KR)
Title: Mobile devices, server on communication network and program recording medium
Inventor: KIM JAE HYUNG
IPC: H04B1/40
Filed: 2006-07-12
Abstract: A wireless terminal, a server on a communication network, and a program recording medium are provided to have an event processing program for periodically comparing standard time information with inputted and/or selected event output initiation time information in order to output an event on a screen and/or to a speaker if standard time is identical with event output initiation time. An event processing program outputs a predetermined event on a screen and/or to a speaker. A key input unit inputs and/or receives selection for output initiation time information of the event. The event processing program periodically compares standard time information with event output initiation time information inputted and/or selected through the key input unit, and outputs the event on the screen and/or to the speaker if event output initiation time is equal to standard time.
Patent KR-20070012255-A (KR)
Title: Light emitting device and method of manufacture
Inventor: ROBBINS VIRGINIA M
IPC: H01L33/00
Filed: 2006-07-21
Abstract: A light emitting device is provided to avoid loss of an optical signal and deterioration of a characteristic by forming a light emitting structure on a buffer formed on a substrate. A light emitting structure(250) includes an active layer made of InxAlyGa1-x-yN. Adhesive(405) is deposited on a main surface of the light emitting structure. A light-directing device(410) is attached to the main surface of the light emitting structure by the adhesive. The light emitting structure is a first fabricating unit, and the light-directing device is a second fabricating unit independent of the first fabricating unit.
Patent KR-20080008833-A (KR)
Title: Case for electric apparatus and manufacturing method thereof
Inventor: JUNG SUNG SOO
IPC: H05K5/04
Filed: 2006-07-21
Abstract: A case for an electric apparatus and a manufacturing method thereof are provided to shield electromagnetic waves regardless of the shape of the case by attaching an integrated metal thin film on the inner surface of the case. A manufacturing method of a case for an electric apparatus includes the steps of: forming an exfoliating layer on a release sheet(11), and forming a metal thin film(12) on the exfoliating layer by a transfer printing method; integrating a mold when the release sheet having the metal thin film enters the molding space of the mold, and injecting melted resin into the molding space of the mold to mold a molded body integrated with the metal thin film; and separating the release sheet from the metal thin film in the process of separating the molded body from the mold.
Patent KR-20080014179-A (KR)
Title: A fence connecter for flower rod
Inventor: BAE DAE HWAN
IPC: E04H17/14
Filed: 2006-08-10
Abstract: A handrail connecting fastener for a street decorated with flowers is provided to heighten aesthetic effect and to form an environment-friendly street with flowers by forming a flowerpot portion on the upper part and cultivating plants such as flowers. A handrail connecting fastener for a street decorated with flowers comprises a connecting and fastening portion binding a horizontal bar(220) to a post(210) and containing a pipe type horizontal connecting portion(10) coupled with the horizontal bar and a plate type post fastening portion(20) coupled to the side of the post on the opposite side of the horizontal connecting portion, and a flowerpot portion(30) cultivating plants such as flowers or placing flowerpots on the upper part of the connecting portion and having drain holes(32) formed to drain off water toward the lower part and fixing bolts(33) screwed on a side wall(31) and projected inward to prevent flowerpots from being stolen or dropping.
Patent KR-20080017802-A (KR)
Title: Adaptive bandwidth pll with current boosting circuit
Inventor: KIM BYUNG CHUL
IPC: H03L7/093
Filed: 2006-08-22
Abstract: An adaptive bandwidth PLL(Phase Locked Loop) with a current boosting circuit is provided to stably operate with uniform performance regardless of a frequency by having the current boosting circuit to generate a charge pump current. An adaptive bandwidth PLL(Phase Locked Loop)(100) with a current boosting circuit includes a phase frequency detector(110), a pulse-voltage converter(120), and an oscillator(130). The phase frequency detector generate a comparing pulse(CLPS) having a width and a code corresponding to a difference between a reference frequency(FREF) and a frequency(FOUT/n) obtained by dividing an output frequency(FOUT) by a predetermined number. The pulse-voltage converter generates a control voltage(Vctrl) in response to the comparing pulse. The oscillator generates the output frequency corresponding to the control voltage. The pulse-voltage converter supplies or discharges a charge by a charge pump current of a square type of a control current corresponding to the control voltage to generate the control voltage.
Patent KR-20080018024-A (KR)
Title: Floor impact noise isolator/shock-absorber with non-woven fabric for construction
Inventor: PARK SEONG CHAN
IPC: E04F15/20
Filed: 2006-08-23
Abstract: An isolator/shock-absorber for construction having a non-woven fabric is provided to increase a space and a passage of a cell for noise absorption so that noise and vibration caused by impact can be effectively absorbed and distributed with a fabric thread of the non-woven fabric having orientation crimped in z-direction. An isolator/shock-absorber(100) for construction comprises a non-woven fabric(10), which has a fabric thread crimped in z-direction. The non-woven fabric has a density in a range of 10kg/m^3 to 35kg/m^3, a dynamic elastic modulus in a range of 1MN/m^3 to 35MN/m^3, and a thickness in a range of 15mm to 50mm. A foam(30) having cells(32) and unevenness(35) is bonded on one side or both sides of the non-woven fabric, to improve shock absorbing capability and heat insulating performance.