baber/WOPTO huggingface dataset:
Patent SV-1998000015-A (SV)
Title: Procedimiento para incorporar un substrato transportador de aromas a una bebida en polvo
Inventor: RUSHMORE DEAN FREDERICK
IPC: A23L27/28
Filed: 1998-02-02
Abstract: SE TRATA DE UN PROCESO PARA INCORPORAR UN SUSTRATO TRANSPORTADOR DE AROMO A UNA BEBIDA E POLVO. LA BEBIDA EN POLVO ES TRANSPORTADA EN FORMA DE LECHO MOVIBLE Y ES PROVOCADA SU CAIDA EN UNA CORTINA ANULAR EN UN RELLENADOR PARA RELLENAR ENVASES CON LA BEBIDA EN POLVO, MIENTRAS QUE LA BEBIDA EN POLVO CAE EN FORMA DE CORTINA ANULAR EL SUSTRATO TRANSPORTADOR DE AROMO ES ROCIADO A LA BEBIDA EN POLVO DESDE UNA POSICION SUPERIOR AL LECHO MOVIBLE. ESTO PROPORCIONA UNA DISTRIBUCION SUSTANCIALMENTE HOMOGENEA DEL SUSTRATO TRANSPORTADOR DE AROMA EN LA BEBIDA EN POLVO EN EL RELLENADOR
Patent SV-2018005712-A (SV)
Title: Plataforma mas-ligera-que-el-aire
Inventor: MICHAELIS IV MAX G
IPC: B64B1/62
Filed: 2018-06-14
Abstract: SE DIVULGAN TÉCNICAS REFERENTES A AERONAVES MÁS LIGERAS QUE EL AIRE. DICHAS AERONAVES PUEDEN UTILIZARSE PARA DIVERSOS FINES, TALES COMO PROPORCIONAR CONECTIVIDAD DE RED A ÁREAS QUE DE OTRO MODO CARECERÍAN DE TAL CONECTIVIDAD. POR EJEMPLO, EN ALGUNAS FORMAS DE REALIZACIÓN, UNA AERONAVE MÁS LIGERA QUE EL AIRE DE ACUERDO CON LA PRESENTE DIVULGACIÓN PUEDE INCLUIR DIVERSOS TIPOS DE ANTENAS (DIRECCIONALES O NO DIRECCIONALES) PARA COMUNICARSE CON APARATOS ELECTRÓNICOS BASADOS EN LA TIERRA O CON OTRA AERONAVE MÁS LIGERA QUE EL AIRE
Patent UA-61197-A (UA)
Title: Device for breaking optical glass fiber
Inventor: MAKAROV TERENTII VARFOLOMIIOVY
IPC: G02B6/36
Filed: 2002-04-30
Abstract: The proposed device for breaking optical glass fiber contains a cutter designed for notching the surface of the glass fiber and the following breaking the fiber in bending. Additionally, the device contains two screws with beveled end surfaces. The screws are arranged along the same axis arranged at an angle of 45 degrees relative to the longitudinal axis of the cutter. The screw end surfaces acts on the fiber on both its sides and form forces inducing torsional stresses and providing additional bending of the fiber within the area of the notch.
Patent UA-55280-A (UA)
Title: An organOsilicon composition for facade protective coats
Inventor: SVIDERSKYI VALENTYN ANATOLIIOVYCH
Filed: 2002-10-04
Abstract: An organosilicon composition for facade protective coats includes titanium dioxide, aerosyl, organic solvent, diethylamin; it contains kaolin as a filler and organosiloxane unmodified varnish as a binder.
Patent UA-59667-A (UA)
Title: Syustem for ladder stable fixation to support
Inventor: ORIESHKIN DMYTRO OLEKSANDROVYCH
Filed: 2002-11-12
Abstract: System for ladder stable fixation to a support has holders, stoppers and supports, cords made of polyamide rope, where one end of each of those is equipped with thimble and safety hook, and the other one is fixed to stoppers placed at the lower part of the stands of the ladder; and round belts, those are fixed to the stands of the ladder on supports of the holder. At that, the belts comprise of two parts and have a clasp, this makes possible to tighten those according to the real dimensions of the support and to fix by means of cones and stoppers.
Patent UA-63685-A (UA)
Title: Substituted aryl sulfonyl ethyl s-esters of thiosulfo-acids, a method for preparation thereof, alkylating reactants of thiosulfo-acids salts
Inventor: LUBENETS VIRA ILKIVNA
IPC: C07C381/00
Filed: 2003-05-29
Abstract: Substituted aryl sulfonyl ethyl S-esters of thiosulfo-acids. A method for the preparation of substituted aryl sulfonyl ethyl S-esters of thiosulfo-acids comprises an interaction of thiosulfo-acid salt with alkylating reactant in the solution. As alkylating reactant the sodium salt of substituted aryl sulfonyl ethyl sulphate acid is used, and as solvent - water or aqueous acetone or aqueous ethanol, or ethanol are used. Use of sodium salts of substituted aryl sulfonyl ethylsulfate acids as alkylating reactants of thiosulfo-acids salts.
Patent UA-67156-A (UA)
Title: Technique for applying anastomosis on neck in autoheteroplasty of chemically burned esophagus with colon graft
Inventor: KSENOFONTOV SERHII SAVOVYCH
IPC: A61B17/00
Filed: 2003-07-31
Abstract: The technique for applying anastomosis on neck in autoheteroplasty of chemically burned esophagus with colon graft consists in generating the anastomosis between the graft from the left colic flexure and the esophagus above the area of scar formation. The organs being anastomosed, namely the esophagus and the colon graft are dissected with Y- and V-shaped cuts, respectively. The lower edge of the longitudinal cut in the esophageal wall continues to the area of the initial cicatrization. The esophageal mucosa is dissected throughout the whole Y-shaped cut. The serous and muscular envelope of the graft is sewed with the muscular layer of the esophagus. The mucosa of esophagus is sewed with the graft mucosa separately throughout the perimeter. The suture line is then additionally covered by the triangular flap of V-shaped cut and fixed at the top of the graft.
Patent DK-200001763-A (DK)
Title: Bi-directional clutch for transmissions/change gears for windmills etc. has momentum transmission element of independent links connected via journals to drive and driven flanges
Inventor: LIZARAZU CARLOS EPELDE
IPC: F16D3/62
Filed: 2000-11-23
Abstract: The device has a drive flange, a driven flange, and an element to transmit the movement and its momentum. The element has independent links (4), connected with their ends to the drive flange (1) and the driven flange (1). Due to this, the centers of the connections are located on the same circle and alternate between driven and drive flange and vice versa. Each connection is via a journal positioned between bores in link and flange. The link has elastic ball joints at its ends.
Patent DK-200101594-A (DK)
Title: Combined foot strip and cable holder has hollow space for cable installation in buildings with conduits running concealed in foot strip but with all connections between them outside foot strip
Inventor: KNUD VINTHER
IPC: H02G3/04
Filed: 2001-10-26
Abstract: The combined foot strip and cable holder has hollow space for cable installation in buildings with conduits running concealed in foot strip but with all connections between them outside the foot strip. The part of the combined assembly which is the cable holder comprises two congruent half-parts (1,2), which locate accurately against each other on their insides. These insides have cavities or channels (4). - The channels are formed as half tubes, and together make a whole tube for cable feed. The two congruent half-parts on their outside can have different shapes (9), which partly function as feed strips and partly can be decorative, in that the one congruent half part (2) is made of flexible material, making it pliable for ease of installation and dismantling.
Patent DK-200900856-A (DK)
Title: Affjedringssystem med krængningsstabilisering
Inventor: THORKIL IVERSEN
IPC: B60G9/02
Filed: 2009-07-13
Abstract: Affjedringssystem med krængningsstabilisering, især til tunge arbejdskøretøjer, såsom en dumper, hvor det forreste hjulpar er monteret på en tværgående dri vende stiv aksel, kendetegnet ved, at akslen (5) er fast forbundet til en Y-formet ramme (1), der udstrækker sig i køretøjets længderetning langs køretøjets midterlinie (M), hvilken ramme er ophængt i køretøjets chassis, dels i et sfærisk leje (4) placeret i køretøjets midterlinie, dels via to om midterlinien symmetrisk anbragte fjederenheder (2, 3) og en stangforbindelse (7), og at rammen yder ligere er udstyret med en eller flere sidevendte stabiliseringsarme (6), der mod- holdes af chassiset. Herved tilvejebringes et affjedringssystem, som indeholder et meget lille antal komponenter, som er stabilt, robust og slidstærk, og som både indeholder affjed ring, niveauregulering og krængningsstabilisering.
Patent EC-SP19000169-A (EC)
Title: Formulaciones inyectables fisiológicamente balanceadas de fosnetupitant
Inventor: VENTURINI ALESSIO
IPC: A61K47/26
Filed: 2019-01-02
Abstract: Dosificaciones y formulaciones inyectables de fosnetupitant y sales farmacéuticamente aceptable del mismo que son eficaces, químicamente estables y fisiológicamente balanceadas para seguridad y eficacia.
Patent EC-SP23039860-A (EC)
Title: Métodos y sistemas de tratamiento de agua
Inventor: MCKINLEY TROY
IPC: C02F1/52
Filed: 2023-05-30
Abstract: Un método para tratar agua (por ejemplo, agua residual, agua municipal, agua industrial, agua de minería y agua a tratar) incluye recibir agua a tratar en un primer tanque de tratamiento, convertir una fuente de corriente alterna (CA) en una corriente continua (CC) usando un controlador de CC, y proporcionando energía eléctrica a un primer par de electrodos colocados en el primer tanque de tratamiento utilizando el controlador de CC. El método incluye además introducir iones en el agua a tratar desde al menos uno de los electrodos del par de electrodos y promover la floculación de al menos una impureza en el agua a tratar con los iones para producir agua tratada.
Patent EC-SP14011524-A (EC)
Title: Cubierta para frutas
Inventor: SAKAMOTO NORIHISA
Filed: 2014-07-30
Abstract: La presente invención proporciona una cubierta para fruta y un método para cultivar cosechas utilizando el mismo. Una cubierta para fruta está configurada para ser capaz de ser colocada en una forma de cono sobre una porción superior de una fruta que es cultivada y elaborada de una red formada de un hilo de resina termoplástica.
Patent EC-SP15017505-A (EC)
Title: Imidazo[1,2-a]piridincarboxamidas aminosustituidas y su uso
Inventor: STASCH JOHANNES-PETER
IPC: C07D471/04
Filed: 2015-05-05
Abstract: La presente solicitud se refiere a nuevas imidazo[1,2-a]piridin-3-carboxamidas sustituidas, a procedimientos para su preparación, a su uso solas o en combinaciones para el tratamiento y/o la prevención de enfermedades y a su uso para la preparación de medicamentos para el tratamiento y/o la prevención de enfermedades, en especial para el tratamiento y/o la prevención de enfermedades cardiovasculares.
Patent GR-20060100481-A (GR)
Title: Vending stall for products
Inventor: IATRIDIS DAMIANOS
IPC: A47F5/10
Filed: 2006-08-21
Abstract: The invention relates to a vending stall for products which stall is composed of two planks 1 set on both sides of the framework composed of the upper and lower part 5 and 6 respectively. The foregoing planks are adapted to the driving system 4 moving on the tracks 10 of the lower part of the framework 6 and are characterised in that they are able to easily fold up for reducing the volume of the construction. Correspondingly, the canopies 7 of the upper part of the framework 5-the height of which may be lowered- get contracted and the stall acquires its final form in order to be easily transported with the assistance of the wheels 8. Main characteristics of the construction: unified construction, easy folding and deployment, reduced volume.
Patent GR-20070100561-A (GR)
Title: Brush head for the cleaning of toilet bowls or the like
Inventor: FOTOPOULOS ANASTASIOS GEORGIOU
IPC: A47K11/10
Filed: 2007-09-10
Abstract: Subject: brush for the cleaning of toilet bowls or the like. Constitution: an adequately-configurated protective cover 6 being fixed at the head of the brush 2 in order to cover along with the brush receptacle-if any- the bristles or the brush. Advantage: low manufacture cost and aesthetical shape facilitating the brush head cleaning.
Patent GR-20090100706-A (GR)
Title: Tread for straight or right & left turning helicoidal staircases
Inventor: VOUTSADAKIS GEORGIOS IOANNOU
IPC: E04F11/032
Filed: 2009-12-21
Abstract: Subject: tread for straight or right & left turning helicoidal staircases. Technical features: the tread in question has a uniform profile devoid of an ordinary riser what implies its use as a thread for straight staircases or as a right tread for right turning helicoidal staircases or as a left tread for left turning helicoidal staircases; said tread is fixed on the main axle of the staircases; no special configuration is required with regard to the direction of the staircase.
Patent GR-20120100324-A (GR)
Title: Chimney heater with hydro-ducts
Inventor: MARINOS ANASTASIOS GRIGORIOU
IPC: F24B1/183
Filed: 2012-06-20
Abstract: The invention relates to a chimney’s heater having two arrays of hydro-ducts (1,2) composing with the water chambers (4,5) a unified auxiliary hot water-producing system to be connected to existing residential central heating networks. The small diameter of the hydro-ducts and the dense arrangement thereof along with the small volume of the water chambers ensure fast water heating and provide even greater water flow speed in the network in conformity to the second thermodynamics principle (Camor principle) defining that the heat per se advances from the more hot bodies to the cooler ones and never inversely.
Patent GR-20130100258-A (GR)
Title: Key-immobilizing catch for swing doors
Inventor: LEONTARIDIS ATHANASIOS PAVLOS
IPC: E05B13/04
Filed: 2013-04-17
Abstract: Novelty: there is disclosed a key-immobilizing catch 10 set in a precise inclination position inside the lock of a swing door to prevent rotation or extraction of the key from the lock. Constitution: a pair of oppositely-positioned jaws (1,2) having a gap therebetween 9 for the insertion of the key 10; said catch is extended for being stabilized at a steady point preferentially on the axle 12 of the handle 11 of the door. The key is immobilized inside the gap 9 upon convergence of the jaws after the key’s insertion; key immobilisation is indicatively carried out via the articulated connection of the jaws to the axle 13 and the addition of the spring 14 or via jaws manufactured of flexible plastic material and provided with dents interengaged in the closed position and/or via one or several screws 6 which, traversing a through aperture of one at least jaw, immobilize the key inside the gap 9.
Patent GR-20140100250-A (GR)
Title: A bee house with beehive drawers
IPC: B60P3/00
Filed: 2014-04-30
Abstract: Novelty: a bee house with beehive drawers is disclosed. Constitution: a towable transport vehicle 10 having a cover 11, an entry door 12 and beehive drawers arranged on the left and right side; said beehive drawers are composed of a box 3 and a moving drawer-like part 4 allowing the permanent stacking of the beehive drawers (one onto another) while free work space is left in the middle 13 of the vehicle.
Patent GR-20180100197-A (GR)
Title: Lock's electronic defender with integral alarm
Inventor: BOMPARIDOU STYLIANI NIKOLAOU
IPC: G07C9/00
Filed: 2018-05-11
Abstract: The invention relates to an external defender applicable to the lock of armoured doors, which defender bears an integral alarm which -compared to existing defenders- can be actuated against any malicious attack (touch or vibration of the door) before any act of vandalism occurs; an integral shock- sensitive provision urges the actuation of 105dB alarm. The whole operation is electronically controlled so that the commands can be sent through whatever remote control type (remote control, keyless card, rfid, microchip etc). The invented defender operates in 3 desired conditions: a) at the mere touch of the lock or door; b) at panic conditions; c) at ringing by touch.
Patent IN-2014CN01450-A (IN)
Inventor: SASAKI AKIRA
IPC: B01D61/02
Filed: 2012-08-16
Abstract: The desalinization system (S) in the first present invention which converts seawater and wastewater to fresh water is provided with a heat exchanger (6) that exchanges heat between wastewater or treated wastewater and seawater. The desalinization system (S) in the second present invention which also converts seawater and wastewater to fresh water is provided with the following: a membrane separation activated sludge treatment device (1) that treats wastewater using a membrane separation activated sludge method; a first RO membrane (2) that removes salt from the output (s5a) of the membrane separation activated sludge treatment device (1) by transferring said salt to first concentrated water (s6) thereby producing industrial use water (s1); a UF membrane (3) that seawater passes through and that removes particulates from said seawater; a second RO membrane (5) to which treated water (s5b) that has passed through the UF membrane (3) is sent whereby salt is removed from said treated water (s5b) and transferred to second concentrated water (s7) thereby producing drinking water (s2); and a heat exchanger (6) that exchanges heat between the wastewater or treated wastewater (s5a s6 s1) and seawater.
Patent IN-2015DN01909-A (IN)
Inventor: KATO MASAKI
IPC: H01L21/027
Filed: 2013-03-13
Abstract: Provided are: a substrate base provided with a surface for supporting in a flat state or a curved state having a prescribed curve a flexible and transmissive substrate to be optically treated; and a film formed on the surface of the substrate base and having a reflectance of 50% or less in relation to the light (ultraviolet rays for exposure visible light for alignment etc.) used in the optical treatment.
Patent IN-2014MN02001-A (IN)
Inventor: GOEI ESMOND T
IPC: H01L31/042
Filed: 2013-03-11
Abstract: A portable solar energy generation system has a solar energy receiver having a plurality of solar cells for converting solar energy into a DC voltage. A solar tracking mechanism enables the solar energy receiver to track a position of the sun with respect to the solar cells and to position the solar cells responsive thereto. Power circuitry generates at least one output voltage to power an electronic device responsive to the DC voltage. A housing contains each of the solar energy receiver the solar tracking mechanism and the power circuitry in a portable configuration.
Patent IN-2012DN02191-A (IN)
Inventor: AUMAYER RICHARD
IPC: B60L50/15
Filed: 2010-11-17
Abstract: The present subject matter relates to a method for improving the performance of a traction battery during a start-driving phase of an electric vehicle. A start-driving point is established at which the start-driving phase begins. A temperature of the traction battery is sensed. The temperature is compared with a minimum operating temperature, and the traction battery is heated if the comparison indicates that the temperature of the traction battery is below the minimum operating temperature. For the heating process, the temperature increases such that a temperature of the traction battery at the start-driving point is at least equal to the minimum operating temperature.
Patent IN-2015DN02538-A (IN)
Inventor: AMIR URI
IPC: A61B5/01
Filed: 2014-06-01
Abstract: A seamless , smart fetal monitoring garment and methods of using thereof. The system includes a knitted or interwoven garment having a multiplicity of conductive textile electrodes for sensing maternal and fetal electrical vital signals. The maternal and fetal electrical vital signals are selected from a group including maternal heart ,rate fetal heart rate and electromyogram (EMG) activities including uterine activities. The method includes wearing the garment , acquiring electrical mixed common, maternal and fetal vital signals from surface region of a pregnant woman, using the plurality of textile electrodes, optimally weighted summing- up the acquired signals , analyzing the summed- up signals to thereby extract the maternal signal and the fetal signal , including determining their heart rates , and including detecting- health hazards and in some embodiments, including detecting a uterine contraction sequence suggesting the need to be hospitalized for birth giving.
Patent IN-2013DN03771-A (IN)
Inventor: KLASSEN PETRA
IPC: A23L33/00
Filed: 2011-10-25
Abstract: The present invention relates to nutritional formulae which are specifically designed to address the needs of infants and young children of at least 2 years of age. In particular the invention provides a set of nutritional compositions for infants and young children each nutritional composition having an age specific fat composition. The set of the invention is specifically aimed at providing long term benefits to infants and young children by meeting the nutritional needs of the infants and young children at each specific age.
Patent IN-2014DN08552-A (IN)
Inventor: LEDERMANN BERNHARD
IPC: G01R31/00
Filed: 2013-07-09
Abstract: The invention relates to a method for checking the fault detection of a control device (14) in an internal combustion engine in case of a malfunction of a connected broadband lambda sensor (10) wherein the checking is performed with a fault simulator (12) arranged between the broadband lambda sensor (10) and the control device (14) and wherein the fault simulator (12) varies in a targeted manner electrical signals exchanged between the broadband lambda sensor (10) and the control device (14) in order to simulate faults of the broadband lambda sensor (10). According to the method a Nernst voltage UNO (11) of the broadband lambda sensor (10) and a pump current IP (16) of the control device are supplied to the fault simulator the fault simulator (12) supplies a pump current IPsonde (15) to the broadband lambda sensor (10) and a Nernst voltage UNO (13) to the control device and in order to simulate faults of the broadband lambda sensor (10) the fault simulator (12) varies the Nernst voltage UNO (13) supplied to the control device relative to the Nernst voltage UNO (11) output by the broadband lambda sensor. The invention further relates to a fault simulator for performing the method. The method and the fault simulator allow the monitoring of the fault detection by control devices for broadband lambda sensors.
Patent IN-2014DN08886-A (IN)
Inventor: CHAND POORAN
IPC: C07D215/38
Filed: 2013-03-14
Abstract: A novel compound, (E)- 1 -(pyridyn-4-yl)-3-(7-(trifluoromethyl)quinolin-2-y1)- 5 prop-2-en- 1 -one, is provided herein: 0 (E)- 1 -(pyridyn-4-y1)-3 -(7-(trifluoromethyl)quinolin-2-1-prop-en- 1 -one is an inhibitor of 6-phosphofructo-2-kinase/fructose-2,6-biphosphata3se ( PFKFB3) with surprisingly superior efficacy and pharmacodynamic properties in vitro and in vivo. Also provided 10 are pharmaceutical compositions including the compound and methods of use of the compound in treating cancer and tumors in vivo, as well as inhibiting glycolytic flux and PFKFB3 enzymatic activity in cells.
Patent IN-2014DN09670-A (IN)
Inventor: FREIDING MARKUS
IPC: B31B70/00
Filed: 2013-05-17
Abstract: A collecting bag for human body wastes having a barrier film (20a , 20b) covered by a comfort layer (15) attached to the barrier film in an attachment zone wherein the comfort layer is a textile material that is attached to said barrier film in one or more zones of attachment such that not all of the fibre filaments of the textile material in the attachment zone(s) are embedded in the barrier film material.
Patent KR-940020386-A (KR)
Title: 트릭 플레이 특성을 갖는 디지탈 고선명 텔레비젼 비디오 레코더
IPC: H04N5/7826
Filed: 1994-02-22
Abstract: 본 발명은 고해상도 디지탈 비디오 테이프 레코더(VTR)용 신호 처리 시스템은 고해상도 비디오 신호로서 테이프상에 기록된 비교된 낮은 해상도 비디오 신호로서 테이프상에 기록된 비교적 낮은 해상도 비디오 신호를 생성하도록 고해상도 비디오 신호를 처리하는 회로를 포함한다. 저해상도 비디오 신호는 인터-프레임 기술을 이용하여 인코드되며, 테이프 트랙의 소정의 위치에서 나타나는 고정길이 세그먼트로 기록된다. 다른 프레임의 영상을 나타내는 저해 삼도 세1먼트는 트릭플레이 모드에서 디스플레이 하기에 적합한 영상을 발생하도록 복구 및 합성된다. 정상 플레이 모드시, 고해상도 영상을 나타내는 데이타 스트림은 연속으로 복구된다. 따라서, 이러한 고해상도 영상을 예정 코딩 기술 및 인터프레임 기술을 이용하여 인코드 된다.
Patent KR-940022503-A (KR)
Title: 집적 회로 및 이것을 포함하는 디스크 드라이브 시스템
IPC: H03H11/04
Filed: 1994-03-25
Abstract: 본 발명은 극과 제로가 독립적으로 조절가능한 4차 필터를 포함하는 집적 회로에 관한 것이다. 필터의 전달 함수는 분자의 한쌍의 제로와 분모에 한쌍의 공액 복소수 극을 갖는다. 상기 집적 회로는 필터 전달 함수의 공액 복소수 극을 구성하는 제1회로를 포함한다. 상기 제1회로는 입력 신호를 수신하는 입력 포트와 필터링된 출력 신호를 나타내는 출력 전류가 제공되는 출력 포트를 갖는다. 상기 집적 회로는 극과는 무관하게 필터 전달 함수의 제로를 형성하는 제2회로를 포함한다. 상기 제2회로는 입력 신호를 수신하도록 상기 제1회로의 입력 포트에 연결된 입력 포트를 갖는다. 상기 제2회로는 미분된 입력 신호를 제공하도록 입력 신호를 미분하는 미분기를 포함한다. 상기 제2회로는 미분된 입력 신호에 비례하는 출력 전류를 제공한다. 상기 제2회로로 부터의 출력 전류는 필터링된 출력 신호를 제공하도록 제1회로의 출력 전류와 합산된다. 이 기술을 포함하는 집적 회로를 활용하는 디스크 드라이브 제어기는 독립적으로 변하는 필터의 극과 제로의 유동성에 전체 주파수 범위에 걸쳐 단일 필터를 사용하는 장점을 갖는다. 일정한 비트 밀도로 데이타를 기록하기 위해 디지탈 정보 인코딩 가변 속도를 가진 시스템에 4차 필터가 특히 유용하다.