baber/WOPTO huggingface dataset:
Patent WO-2008029819-A2 (WO)
Inventor: PONNAMPALAM VISHAKAN
IPC: H04L25/06
Filed: 2007-08-29
Abstract: Dans un système de communication sans fil basé sur un récepteur à assistance de réduction de treillis, des estimations souples de valeurs binaires transmises à partir d'un signal reçu sont déterminées de la manière suivante: application d'un réduction de treillis à l'estimation de canal et égalisation du signal reçu conformément au canal à base réduite, et détermination des probabilités de bits transmis ayant des valeurs particulières par génération d'un ensemble de vecteurs candidats dans la base réduite sur les vecteurs candidats les plus proches, détermination d'un vecteur symbole transmis correspondant pour chaque vecteur candidat et, sur la base du signal reçu, détermination de la probabilité de transmission de chaque valeur binaire transmise.
Patent WO-2009051404-A2 (WO)
Title: Procédé et dispositif de traitement d'un signal
Inventor: OH HYEN O
IPC: G10L19/00
Filed: 2008-10-15
Abstract: L'invention concerne un procédé de traitement de signal consistant: à recevoir au soit un premier, soit un second signal; à recevoir des informations de mode; et à coder au moins soit le premier, soit le second signal au moyen d'au moins soit le premier, soit le second mode de codage conformément aux informations de mode, laquelle information de mode indique à quel mode, parmi au moins trois modes, correspond le mode prescrit.
Patent WO-2009088233-A2 (WO)
Title: Inline mold apparatus of a resin molding device
IPC: H01L21/304
Filed: 2009-01-08
Abstract: Disclosed is an inline mold cleaning apparatus that plasma-cleans the mold set in a resin molding device through an inline method. The disclosed inline mold cleaning apparatus comprises a cleaning case including an electrode for plasma discharge inside a concave portion, and a case transfer unit facilitating the transition of the cleaning case from a waiting position on the resin molding apparatus to a cleaning position where the concave portion can cover the mold.
Patent WO-2009110742-A2 (WO)
Title: Body stretching bed
Inventor: RYOU YOUNG SUN
IPC: A47C21/00
Filed: 2009-03-04
Abstract: The present invention relates to a body stretching bed including a base plate (220), a detection unit (340), a front upper frame (231) and a rear upper frame (241), a first crank member (320a) and a second crank member (320b), a pair of first moving shafts (360a) and second moving shafts (360b), a pair of third moving shafts (360c) and fourth moving shafts (360d), a moving panel (350), and support members (370, 370a). The base plate is mounted with a plurality of decelerators (300a, 300b). The detection unit is arranged on the base plate, and generates signals for detecting the phase of either of the decelerators (300a, 300b) and stopping the operation of a driving unit. The front upper frame and the rear upper frame are arranged outside the base plate (220) so as to form a frame of the bed. The first and second crank members are arranged at both sides of a driving shaft (305) of the decelerators (300a, 300b). The first and second moving shafts are connected to the first crank member (320a) such that the first and second moving shafts are rotatable, and arranged in the vertical direction. The third and fourth moving shafts are connected to the second crank member (320b) such that the third and fourth moving shafts are rotatable, and arranged in a vertical direction. The moving panel is mounted on the first to fourth moving shafts (360a to 360d). The support members (370, 370a) have both ends connected to the moving panel (350) and the front upper frame (231) or the rear upper frame (241) to support a matt unit (100). The matt unit (100) has a mattress (110), the center of which is tied to the moving panel (350) and the top and bottom of which are tied to a bed frame (200).
Patent WO-2009128670-A2 (WO)
Title: Method and apparatus for generating a user interface
Inventor: PARK HO-YEON
IPC: G06F3/048
Filed: 2009-04-17
Abstract: There is a need for a user interface which simultaneously consolidates and controls multiple devices through one client.  The present invention is therefore related to a method and an apparatus for generating a user interface.  In a method for generating a user interface according to the invention, user interfaces are received from a plurality of servers, and the received user interfaces are combined to generate a combined user interface for display.  In this way, a user can control a plurality of devices at a single time through one client.
Patent WO-2010035970-A2 (WO)
Title: Blade for wind power generator
Inventor: KIM SANG-HUN
IPC: F03D11/00
Filed: 2009-09-10
Abstract: The present invention relates to a blade for a wind power generator that collects dust from blowing wind to improve centrifugal force and air concentration in the blade and utilizes the action and reaction of wind that occurs when the wind escapes from the blade. More particularly, the present invention relates to a blade for a wind power generator, which is structured such that wind accelerated by a front surface thereof having an angle of 15 degrees or higher in the direction of a curved rear surface thereof flows into a large dust collector to improve centrifugal force, wind accelerated by the large dust collector flows into a small dust collector to enable dust to be further collected from the wind by a dust collecting plate and improve air concentration in the blade having the dust collecting plate, propelling force is increased by the action and reaction that occurs when the wind from which dust is collected by the dust collecting plate and which has a high concentration flows through a wind outlet port, and the curved rear surface for reducing resistance at the rear part of the blade is coupled to the rear of the wind outlet port.
Patent WO-2010126291-A2 (WO)
Title: Disk drive
Inventor: YANG IN CHANG
IPC: G11B33/02
Filed: 2010-04-27
Abstract: Disclosed is a disk drive reduced in size, and allowing a user to conveniently carry the disk drive. The disk drive includes a case provided at a front surface thereof with an open entrance, and a tray that is received in the case through the entrance. The tray includes a spindle motor to rotate a disk mounted on the tray and an optical pick up to record/reproduce signals. A longitudinal length of the tray is shorter than a diameter of the disk when the tray has been received in the case. When the tray has been ejected out of the case, the disk is loaded to record or reproduce signals.
Patent WO-2010131865-A2 (WO)
Inventor: KIM JONG-KEE
IPC: A61K31/26
Filed: 2010-05-04
Abstract: The present invention relates to an antimicrobial composition against an antibiotic-resistant strain containing, as active ingredients, one or more elements selected from a group consisting of sulforaphene and sulforaphane. More particularly, the present invention relates to an antimicrobial composition which contains, as active ingredients, one or more elements selected from a group consisting of sulforaphene and sulforaphane, and which acts on methicillin-resistant staphylococcus, vancomycin-resistant enterococcus or antibiotic-resistant colon bacillus, pneumobacillus, salmonella typhimurium and enterococcus faecalis and the like to inhibit the growth of an antibiotic-resistant strain. The antimicrobial composition of the present invention inhibits the growth of gram-negative bacillus and gram-positive bacillus having a resistance to beta-lactam antibiotics such as vancomycin, penicillin, methicillin and the like or against non-beta-lactam antibiotics, and therefore can be used in the prevention and treatment of various infectious diseases caused by antibiotic-resistant bacterial infections, and can be valuably used as antibiotics against super-bacteria.
Patent WO-2010131873-A2 (WO)
Title: Terminal mobile, son procede d'utilisation et refrigerateur
Inventor: YUM KWAN HO
IPC: H04B1/40
Filed: 2010-05-07
Abstract: L'invention concerne un terminal mobile, son procédé d'utilisation et un réfrigérateur. Le procédé d'utilisation dudit terminal mobile consiste à recevoir des informations d'état du réfrigérateur envoyées par le réfrigérateur, à afficher lesdites informations d'état du réfrigérateur sur un écran et à transmettre au réfrigérateur un signal de commande en fonction d'une opération de commande. Il est ainsi possible de commander facilement le réfrigérateur à l'aide du terminal mobile.
Patent WO-2011004973-A2 (WO)
Title: 워터 커튼에 의한 도로의 안개 차폐 방법 및 시스템
Inventor: CHANG KI-HO
IPC: E01H13/00
Filed: 2010-06-17
Abstract: 본 발명은 워터 커튼에 의한 도로의 안개 차폐 방법 및 시스템에 관한 것으로, 실시간으로 도로의 안개의 발생·유입, 방향 및 속도를 검출하고 이에 따라 배수로를 통해 공급되는 물을 고압으로 분무한 워터 커튼을 생성시켜 도로의 내부로 유입되는 안개를 저감시키거나 차단시켜 각종 운송수단의 안전운행을 도모하는 효과가 있다.
Patent WO-2011025144-A2 (WO)
Inventor: HONG CHANG-IL
IPC: B23B41/00
Filed: 2010-07-09
Abstract: La présente invention concerne une plaque d'entrée pour l'alésage d'un trou de carte de circuit imprimé, comprenant : un substrat de mince film métallique ; et une couche de résine lubrifiante hydrosoluble formée sur le substrat, la couche de résine lubrifiante hydrosoluble comprenant 100 parties en poids d'une résine de polyester hydrosoluble, de 0,5 à 3 parties en poids d'un copolymère chlorure de vinyle - acétate de vinyle, et de 0,5 à 3 parties en poids d'une résine d'hydrocarbure hydrogénée. Dans les plaques d'entrée produites de cette manière, l'uniformité et la précision des trous alésés sont remarquables, la force de liaison sur le mince film métallique est exceptionnelle, et il n'y a pas de décollage ni de génération de fissures sur la surface, même à basse température.
Patent WO-2011093600-A2 (WO)
Title: 데커신 및 데커시놀 안젤레이트를 포함하는 피부상처치료제
Inventor: KANG JAE-SEON
IPC: A61K31/37
Filed: 2011-01-05
Abstract: 본 발명은 한국산 당귀(참당귀 또는 세발당귀), 바디나물, 기름나물 및 기타 식물로부터 추출한 데커신 및 데커시놀 안젤레이트의 상처치료제로서의 용도에 관한 것이다.
Patent WO-2011136523-A2 (WO)
Title: Procédé et appareil de mappage de ressources de système ofdm
Inventor: JI HYOUNG JU
IPC: H04J11/00
Filed: 2011-04-25
Abstract: L'invention porte sur un procédé et un appareil d'attribution de ressources entre un canal ACK/NACK de liaison montante et un canal de commande de liaison descendante fonctionnant selon un multiplexage spatial dans un système de communication sans fil basé sur OFDM qui configure un canal ACK/NAK de liaison montante de façon implicite à l'aide de signaux de référence pour établir une distinction entre des espaces d'attribution de ressources et des ressources de canal physique. Le procédé est apte à multiplexer le canal ACK/NACK de liaison montante associé au canal de commande étendu par multiplexage spatial dans les ressources de canal ACK/NACK de liaison montante qui ne prennent pas en charge un multiplexage spatial.
Patent WO-2011159046-A2 (WO)
Title: Système de gestion de relations sociales au moyen d'informations de fortune et procédé associé
Inventor: CHUN YONG BAI
IPC: G06Q10/10
Filed: 2011-06-03
Abstract: L'invention concerne un système SRM utilisant des informations de fortune et un procédé associé. Le système et le procédé permettent à l'utilisateur d'enregistrer des objets SRM conformément à chaque groupe sur un terminal utilisateur tel qu'un terminal de communication mobile ou un PC (ordinateur personnel) par le biais d'un réseau câblé ou sans fil et de fournir à l'utilisateur des informations de fortune détaillées pour chaque objet en fonction du type d'objet ou de la période spécifique et un plan permettant d'améliorer une relation avec les objets d'après les informations de fortune en enregistrant et en gérant de façon systématique les activités pertinentes de l'utilisateur. De plus, le système SRM utilisant les informations de fortune et le procédé associé peuvent être utilisés au moyen du SMS, ce qui permet à l'utilisateur d'utiliser de façon aisée et pratique le service fourni par le système de l'invention au moyen de la fonction SMS d'un terminal de communication mobile même dans le cas où l'accès à Internet est difficile.
Patent WO-2012102505-A2 (WO)
Title: 피사체의 전방위 촬영 및 줌 촬영이 가능한 카메라시스템
Inventor: SIM KWANG HO
IPC: H04N5/232
Filed: 2012-01-16
Abstract: 본 발명은 피사체의 전방위 촬영 및 줌 촬영이 가능한 카메라시스템에 관한 것으로, 더욱 상세하게는 하나의 카메라하우징 내부에 피사체를 여러 각도에서 촬영하는 기본카메라와 피사체를 줌한 상태에서 촬영하는 줌카메라를 다수개 구성하여 피사체를 360도 전방위로 촬영함과 동시에 근접 영상을 디스플레이시킬 수 있는 피사체의 전방위 촬영 및 줌 촬영이 가능한 카메라시스템에 관한 것이다.
Patent WO-2012121507-A2 (WO)
Inventor: LEE YOON-SIK
IPC: A61L27/54
Filed: 2012-02-29
Abstract: The present invention relates to a stent able to selectively capture vascular endothelial progenitor cells and to a production method therefor. More specifically the present invention relates to a stent wherein, joined in sequence on the stent skeleton, there are a silane compound layer, a functional layer, a hydrophilic polymer layer and a bioligand layer, and the present invention also relates to a production method therefor.
Patent WO-2012157959-A2 (WO)
Title: Method and device for determining continuous session support during support of limonet in mobile communication system
Inventor: CHO SONG YEAN
Filed: 2012-05-16
Abstract: According to an embodiment of the present invention, the invention discovers an address of a LGW, which can be used in HeNB, determines whether session continuity is supported or not when a terminal using the LGW is moved to another HeNB in a network wherein a structure supporting Session Continuity and a structure not supporting Session Continuity are mixed, and processes active mode mobility and idle mode mobility based on the same. To this end, an embodiment of the present invention provides a method for transmitting the LGW and HeNB ID association information through DNS and S1AP, and a method for processing idle mode mobility and active mode mobility by using LGW information and HeNB ID association information in MME.
Patent WO-2013002565-A2 (WO)
Title: 가상 네일아트 시스템 및 이를 이용한 가상 네일아트 서비스의 제공방법
Inventor: CHOI DAE TONG
Filed: 2012-06-28
Abstract: 본 발명은 가상 네일아트 시스템 및 이를 이용한 가상 네일아트 서비스의 제공방법에 관한 것으로서, 보다 상세하게는 사용자가 네일아트를 직접 해보지 않고도 사용자가 선택한 네일아트의 색상과 무늬가 사용자에게 적합한지의 여부를 간단하고 효율적으로 확인할 수 있는 가상 네일아트 시스템 및 이를 이용한 가상 네일아트 서비스의 제공방법에 관한 것이다. 본 발명에 따른 가상 네일 아트 서비스는 인터넷상에서 사용자가 가상으로 매니큐어를 칠하고 손톱에 다양한 모양이나 문자 등을 인쇄(Nail art)하도록 하며 오프라인 매장에서 직접 해 보는 것과 대등한 정도의 사실적인 시각적 정보를 실시간 시뮬레이션 영상으로 제공함으로써, 사용자가 네일아트를 직접 해보지 않고도 사용자가 선택한 네일아트의 색상과 무늬가 사용자에게 적합한지의 여부를 간단하고 효율적으로 확인할 수 있는 효과가 있다.
Patent WO-2013027983-A2 (WO)
Title: Apparatus for driving electronic device and driving method thereof
Inventor: KIM YOUN SOO
IPC: G06F3/033
Filed: 2012-08-20
Abstract: The present invention provides a driving method for simply and accurately controlling a pointer displayed on a screen of an electronic device. The present invention pertains to a method for driving an electronic device including an input means for inputting information by touch and a screen display device for displaying a pointer in response to the touch, comprising: a first step of moving the pointer in a drag direction while dragging in a certain direction from a point at which a touch is initially inputted into the input means; a second step of stopping the movement of the pointer when a drag action ends; and a third step of additionally moving the pointer in a direction from the point at which the touch was initially inputted to a point at which a push pressure is applied, in response to the push pressure in a state where the drag action ends.
Patent WO-2013032160-A2 (WO)
Title: Method for manufacturing a phase retardation film
Inventor: LEE SENG KUE
IPC: G02F1/13363
Filed: 2012-08-21
Abstract: The present invention relates to a method for manufacturing a phase retardation film, and more particularly, to a method for manufacturing a phase retardation film in which a polymer liquid crystal composition is oriented using electrical fields or magnetic fields, without forming an alignment layer, so as to manufacture the phase retardation film through a simple process. According to the method for manufacturing the phase retardation film of the present invention, since the polymer liquid crystal composition is oriented using the electrical fields or magnetic fields, a process of forming an alignment material layer is not used and a process of rubbing or optically aligning the alignment material layer may be eliminated, and thus the present invention exhibits the advantages of the manufacturing process being very quickly performed and a process line being more simply constructed to reduce manufacturing costs. Further, while conventionally the number of alignment processes is increased whenever a pattern is added, in the method for manufacturing a phase retardation film of the present invention, only the structure of the electrode need be differently set to form patterns having different shapes, and thus the present invention exhibits the advantage of an additional processes not being required.
Patent WO-2016032127-A2 (WO)
Title: Tlr4에 lps와의 경쟁적 결합을 통한 항산화 및 항염증 활성을 갖는 신규 화합물 및 이의 의학적 용도
Inventor: CHUNG HAE YOUNG
IPC: C07D239/10
Filed: 2015-07-23
Abstract: 본 발명은 TLR4에 LPS와의 경쟁적 결합을 통하여 대식세포의 활성을 억제하는 항산화, 항염증의 효과를 갖는 신규화합물 및 이의 의학적 용도에 관한 것으로, 본 발명에 따른 화합물들은 항산화 및 항염증 활성을 지니므로 노인성 질병의 예방 또는 염증 치료에 유용하게 사용될 수 있으며, 또한 TLR4-MD2에 LPS와 경쟁적 binding 함으로써 특히, LPS와 경쟁적인 결합을 통하여 패혈증, 대사성 질환 또는 심혈관계 질환을 예방하고 치료하는데 유용한 약학조성물 또는 건강식품으로 사용될 수 있다.
Patent WO-2016032201-A2 (WO)
Title: 무선 통신 시스템에서 통신을 중계하는 방법 및 이를 수행하는 장치
Inventor: SEO INKWON
IPC: H04W8/00
Filed: 2015-08-25
Abstract: 본 발명의 일 실시예에 따라서 D2D(device to device) 통신을 지원하는 제1 D2D 단말이 제2 D2D 단말의 통신을 중계하는 방법은, 상기 제2 D2D 단말에 대한 기지국의 브로드캐스트 신호를 검출하는 단계; 및 상기 제2 D2D 단말이 상기 기지국의 커버리지 밖에 위치하고 상기 제1 D2D 단말과 이웃하는 경우, 상기 제1 D2D 단말이 상기 제2 D2D 단말에 대한 브로드캐스트 신호에 응답하는 단계를 포함하고, 상기 제1 D2D 단말의 응답은 상기 제1 D2D 단말이 상기 기지국과 상기 제2 D2D 단말 간의 통신을 중계할 수 있음을 보고하는 것이다.
Patent WO-2018097482-A2 (WO)
Title: 세탁기 및 그 제어방법
Inventor: WOO JI HYUN
IPC: D06F37/40
Filed: 2017-10-19
Abstract: 세탁조의 내부에 보조 세탁조를 구비하는 세탁기 및 그 제어방법을 제안한다. 세탁물의 용량이나 종류에 따라 세탁물들을 분리하여 따로 세탁할 수 있는 메인 세탁조와 보조 세탁조를 구비하여 분리 세탁을 해야 하는 불편함을 없애고, 세탁 시간의 절감과 에너지의 낭비를 줄일 수 있게 된다. 또한, 메인 세탁조와 보조 세탁조를 동시에 운전하는 경우, 메인 세탁조만 단독 운전하는 경우 또는 보조 세탁조만 단독 운전하는 경우에 따라 세탁조의 회전과 펄세이터의 회전을 조합한 최적의 세탁 행정 알고리즘으로 메인 세탁조와 보조 세탁조에서의 효과적인 분리 세탁이 가능하고, 옷감 손상이 적으면서도 세탁 성능을 개선할 수 있게 된다.
Patent WO-2018203692-A2 (WO)
Inventor: JOUNG JAE BOK
IPC: A01G9/029
Filed: 2018-05-03
Abstract: A culture vessel using an IoT-based LED and sensor according to the present invention: contains a culture solution or soil in which a seed or a culture sample is planted; includes an IoT device attached to the support thereof or a separate side support and having an LED, a depth sensor and various other sensors, and a communication unit; stimulates germination and growth of a plant seed by using an RGB LED; provides a function of sterilizing or disinfecting the soil in which various bacteria exists, by means of a UV LED without using a separate high-temperature sterilizer; detects the growth height of a plant growing in the culture vessel, by the depth sensor disposed in the IoT device; detects temperature information, humidity information, and gas information by the various sensors; and transmits a device ID, germination and growth information of the plant, temperature information, humidity information, and gas information from the IoT device to a plant culture management server via Bluetooth, a wireless LAN access point (AP), or an IoT gateway, wherein the plant culture management server manages germination and growth information of various plants, and temperature information, humidity information, and gas information according to the device ID, observes a growth rate of the plant day by day, and manages the plant so as to promote the growth of the plant by transplanting the same to a somewhat larger culture batch, flowerpot, flower bed, plant farm, or greenhouse when the plant grows more than a predetermined height in the culture vessel.
Patent WO-2020085795-A2 (WO)
Inventor: SEONG CHANG HO
IPC: F24F13/24
Filed: 2019-10-23
Abstract: The present invention relates to an air purifier and, more specifically, to an air purifier which can bring a contaminant in the air, such as fine dust, into contact with a fluid and effectively remove same. An air purifier according to the present invention comprises: an inner drum having a plurality of first through holes bored therein; an outer drum disposed outside the inner drum and having a plurality of second through holes bored therein; a main tank accommodating the inner drum and the outer drum; an air supplying means for supplying air to the inner drum; and a driving motor for rotating the inner drum or the outer drum.
Patent WO-2020262997-A2 (WO)
Inventor: CHOI SEI-BUM
IPC: A61G5/04
Filed: 2020-06-26
Abstract: Disclosed is a propulsion aid device connected to a manual wheelchair so as to provide driving force thereto. By using a self-energizing effect, the propulsion aid device provides sufficient driving force and brake force even while using a motor. The propulsion aid device may be easily connected to a manual wheelchair without the need for a motion of bending the human body over. The self-energizing effect is provided by means of a mechanical method, and the device has a simple structure, and thus the risk of the device breaking down is low. At an economical price, the propulsion aid device may enhance the self-esteem of seniors and persons with disabilities as members of society and may enable the more safe and active social activities thereof.
Patent WO-2015088363-A2 (WO)
Inventor: NOEL JULIEN GEORGES ANDRÉ
IPC: G09F11/00
Filed: 2014-12-09
Abstract: La invención propuesta presenta una solución técnica, eficiente y viable frente al problema del abastecimiento de agua. La ventaja técnica de la invención radica en que se trata de un panel que genera agua potable para mejorar la calidad de vida de comunidades sin acceso agua potable. La invención propuesta produce agua potable a partir de la humedad del aire por condensación y la convierte en agua potable a través de filtros de purificación y la distribuye a la población.
Patent WO-2018190754-A2 (WO)
Title: Procédé de préparation de concentré de lithium à partir de saumures naturelles chargées de lithium et sa transformation en chlorure de lithium ou carbonate de lithium
Inventor: RIABTSEV ALEKSANDR DMITRIYEVICH
IPC: C01D15/04
Filed: 2018-04-13
Abstract: Cette invention concerne un procédé industriel de préparation de concentré de lithium à partir de saumures naturelles chargées de lithium. La saumure est d'abord soumise à purification à partir des solides en suspension, puis filtrée par passage à travers une couche statique de sorbant granulé à base d'un composé de LiCl·2Al(OH)3·mH2O (DGAL-Cl) pour obtenir un concentré de lithium primaire. Le procédé est mis en œuvre dans des unités de sorption-désorption constituées de 4 colonnes, dont deux sont constamment dans le processus de sorption de chlorure de lithium à partir de la saumure, une autre est dans le processus de lavage du sorbant à partir de la saumure, et la quatrième est constamment dans le processus de désorption de LiCl. La séquence opérationnelle des colonnes est déterminée automatiquement à la suite du cyclogramme développé. Le concentré de lithium primaire obtenu est converti en concentré secondaire suivant l'une des alternatives suivantes. Dans la première alternative, le concentré de lithium primaire est transporté dans des bassins d'évaporation, où il est également débarrassé des mélanges de calcium et de magnésium par une pâte de carbonate de lithium lors de la carbonisation de celle-ci, pour obtenir un précipité composé de CaCO3+3MgCO3·Mg(OH)2·3H2O. Après séparation des précipités de sels de calcium et de magnésium, le concentré de lithium secondaire est amené à une concentration de LiCl de 190 à 200 kg/m3.
Patent WO-2005110004-A2 (WO)
Inventor: GOOBAR EDGARD
IPC: G02F/
Filed: 2005-05-13
Abstract: The present invention relates to a driving circuit, and the use of a drving circuit, for the driving of an electro absorption modulator. The driving circuit comprises a high frequency emphases electrical circuit to compensate for a low frequency emphasis of the electro absorption modulator. Preferably, the high frequency emphases electrical circuit comprises at least a first filter having a zero in the range of 0.3 - 1.2 Ghz and a pole at a 10 to 50% higher frequency.