baber/WOPTO huggingface dataset:
Patent ES-2613878-B1 (ES)
Title: Sistema y método para tratamiento de líquido alimenticio a alta presión
Inventor: DE ORTE GLARIA BENITO ANDRES
IPC: A23C3/02
Filed: 2015-11-26
Granted: 2018-02-15
Abstract: Sistema, y método que emplea dicho sistema, para tratamiento de líquido alimenticio a alta presión que comprende una zona de tratamiento (3); medios de bombeo (2) para bombear el líquido que comprenden un primer lado (2.1) para entrada y salida del líquido sin tratar y un segundo lado (2.2) para entrada y salida del líquido tratado, cada uno de los lados (2.1, 2.2) con una cámara (2.4) en la que es alojable el líquido, y un elemento desplazable principal (2.3) para bombear alternativamente el líquido por el primer lado (2.1) y por el segundo lado (2.2); y, un conducto (1) dispuesto para conducir el líquido sin tratar a la cámara (2.4) del primer lado (2.1) y de la cámara (2.4) del primer lado (2.1) a la zona de tratamiento (3), y para conducir el líquido tratado de la zona de tratamiento (3) a la cámara (2.4) del segundo lado (2.2) y a la salida de la cámara (2.4) del segundo lado (2.2).
Patent ES-2632185-B1 (ES)
Title: Dispositivo portátil de reproducción de documentos digitales en Braille
Inventor: ORTIZ GARCIA FRANCISCO DAVID
IPC: G09B21/00
Filed: 2016-03-10
Granted: 2018-06-14
Abstract: Dispositivo portátil de reproducción de documentos digitales en Braille, que es capaz de reproducir de manera autónoma y en alfabeto Braille cualquier tipo de documento digital que sea cargado en su memoria mediante un computador.#Para la reproducción se utilizarán elementos electromagnéticos que permiten la representación los caracteres Braille, permitiendo así la lectura mediante el tacto.#El dispositivo mostrará de manera visual mediante una pantalla, los caracteres que se están reproduciendo, además del estado de batería, volumen y configuración del tipo de reproducción. También tiene incorporado una matriz de led de 2x3 que simulan mediante su encendido, la reproducción en alfabeto Braille a la vez que lo hace el sistema táctil. Tiene incorporado un altavoz que reproduce en forma de audio los caracteres que se van reproduciendo.#Para controlar el dispositivo, lleva incorporado un panel de botones con el que se puede cambiar de modo de reproducción o pausarla.
Patent ES-2659689-B1 (ES)
Title: Generador eléctrico de flujo axial y aerogenerador vertical de eje partido que comprende dicho generador
Inventor: PISCEDDA LORENZO
IPC: F03D9/25
Filed: 2016-09-16
Granted: 2018-09-11
Abstract: Generador eléctrico de flujo axial y aerogenerador vertical de eje partido que comprende dicho generador.#Generador eléctrico de flujo axial que comprende dos platos de imanes entre los que se sitúa un bobinado que dispone de capacidad de movimiento relativo con los platos de imanes alrededor de un eje de giro, en el que: los platos de imanes son anillos de imanes que presentan forma de anillo, el bobinado también presenta forma de anillo, de tal manera que el generador eléctrico presenta un orificio central para su instalación en una estructura existente, estando el eje de giro en dicho orificio; y en el que: los platos de imanes presentan medios de solidarización a una estructura externa, el bobinado presenta medios de solidarización a una estructura externa.
Patent HR-P20040524-B1 (HR)
Title: Improvements in and relating to a medicament cartridge
Inventor: ROBERT WOOLSTON
IPC: A61M5/24
Filed: 2004-06-08
Abstract: Many of those having diabetes take a combination of slow and fast acting types of insulin. It is important that the different forms of medicament do not become confused. To this end, a medicament cartridge is provided comprising a sleeve having a bottleneck providing a flange at a first end, a fluid impermeable membrane secured across the first end by a metal cap beaded beneath the flange, and a displaceable piston located internally of the sleeve towards a second end of the sleeve, a collar located against an external periphery of the cartridge housing beneath the flange and an adaptor top press fit over the cap and the collar, the adaptor top being provided with means to act upon the collar thereby to retain the adaptor top on the sleeve.
Patent HR-P20050192-B1 (HR)
Inventor: DOMINOWSKI PAUL JOSEPH
IPC: C07K14/135
Filed: 2005-02-28
Abstract: Ovaj izum odnosi se na kombinacijska cjepiva i postupke liječenja ili sprječavanja bolesti ili poremećaja kod životinje uzrokovanih infekcijom virusom goveđe virusne dijareje (BVDV) tipa 1 i 2, goveđim herpesvirusom tipa 1 (BHV-1), goveđim respiratornim sincicijskim virusom (BRSV), virusom parainfluenze (PI3), Campylobacter fetus, Leptospira canicola, Leptospira grippotyphosa, Leptospira hardjo-prajitno, Leptospira icterohaemmorrhagiae, Leptospira hardjo-bovis, te Leptospira pomona primjenom na životinji djelotvorne količine kombinacijskog cjepiva. Kombinacijsko cjepivo može cjelostanični ili parcijalni inaktivirani ili modificirani živi pripravak.
Patent JO-3559-B1 (JO)
Title: An antibody FOR TREATING OR PREVENTING MIGRAINE HEADACHE AND METHOD OF THEREOF USE
Inventor: HONG SUN
IPC: C07K16/28
Filed: 2016-03-03
Granted: 2020-07-05
Abstract: The present invention relates to methods of migraine prophylaxis using anti-CGRP receptor antibodies or binding fragments. In particular, methods for preventing or reducing the occurrence of migraine headache in a patient in need thereof comprising administering to the patient an anti-CGRP receptor or binding fragment according to specific dosage regimens are disclosed. Pharmaceutical compositions and administration devices comprising anti-CGRP receptor antibodies or binding fragments for use in the methods are also described.
Patent KR-790001031-B1 (KR)
Title: Process for preparing cephalosporin compounds
Inventor: WALKER LUNN W H
Filed: 1975-08-01
Granted: 1979-08-21
Abstract: Cephalosporines (I; R1=H. lower alkyl, R=H, -CO-A-, A=H, C1-C3 haloalkyl, PCHQ-,etc) which have 5-oxo-6-hydroxy-4, 5-dihydro-1, 2, 4-triazin-3-ylthiomethyl at 3 position, useful as bactericides against gram-positive and - negative bacteria, were prepd. by treating 3-acetoxycephalo sporine (II; R2=H, cation of alk. metal) with triaginylthio derivs. (III) to form a IV (R=H, or Q=amino), acylating IV, and then eliminating protected aminocarboxyl group, if necessary.
Patent KR-800001655-B1 (KR)
Title: Epoxy resin composition comparising hardening agent
Inventor: SCHINABECK R
IPC: C08L63/02
Filed: 1976-03-26
Granted: 1980-12-31
Abstract: A hardenable epoxy trsin compn. that are capable of hardening at aor below room temp. and as low as about 50C comprising, (A) a liquid eposy resin havig more than one 1,2-ipo-xide grouping per molecule(epoxy equivalent, 185-210, visco sity; below 900 CPS at 250C) (B) a filler(20-50wt. % per epoxy resin) such ans snad, metal powder and metal oxide(C) a sufficient amount of suspender for filler (d) a hardening agent(I; n = 2-5).
Patent KR-810001604-B1 (KR)
Inventor: MINAMI SHUJI
IPC: C08F10/04
Filed: 1977-10-24
Granted: 1981-10-27
Abstract: 내용 없음.
Patent KR-830000450-B1 (KR)
Title: 페닐 알칸산 유도체의 제조방법
Filed: 1979-08-08
Granted: 1983-03-08
Abstract: 내용 없음.
Patent KR-830000263-B1 (KR)
Title: 시이트 필름 반송장치
IPC: B21D31/04
Filed: 1979-08-14
Granted: 1983-02-25
Abstract: 내용 없음.
Patent KR-830000616-B1 (KR)
Title: 살충제로 유용한 헤테로 고리치환 트리아졸릴 포스포러스 화합물의 제조방법
Filed: 1979-10-13
Granted: 1983-03-18
Abstract: 내용 없음.
Patent KR-840000160-B1 (KR)
Title: Method for the manufacture of a locked material of filament
Inventor: DAKAKI SADAKI
IPC: D04H1/4391
Filed: 1979-12-24
Granted: 1984-02-22
Abstract: In the manufacture of a padding block of staple fibre material, shch as for upholstery, short fibres of a threedimensional crimped synthetic fibres are pressed into a shaped block and an adhesive is applied. The body is lifted in a general vertical direction and, at the same time, a dielectric heating with high frequency of 1MHz-300GHz is applied to dry the adhesive on the block.  The adhesive is distributed evenly and bonds to the fibres.
Patent KR-810000827-B1 (KR)
Title: Method for manufacture of toy with spark
Inventor: KIM EUN KEUN
IPC: A63H33/00
Filed: 1980-03-11
Granted: 1981-08-07
Abstract: Portable toy fire works are made from chemicals. 40-50 % of barium nitrate and 40-50 % of metal powder to the 2-5 % of charcoal powder are mixed, to be dispersed to the adhesive solution containing glue and flour, the composite is coated on the surface of steel wire and dried.  The product radiates no higher heat and out of a fire danger, as well.
Patent KR-840001022-B1 (KR)
Title: Synthetic fibers having down feather-like characteristics and suitable for wadding
Inventor: SUGIYA HIROSHIGE
IPC: D01F6/62
Filed: 1981-04-30
Granted: 1984-07-20
Abstract: A synthetic fiber for wadding has more than one prosection from its cross-section and has a section deformation ratio (5) of 5000/D0.5, where D is a monofiber denier. In the fiber, D=0.1-3; the coefficient of interfiber static friction μs=0.14 or less; the crimp number (CN, number/25mm)=4-14; the ratio of the crimp index (CI(%) to CN)=0.6-1.8; H0.2(cm)=7.3 or more and H0.2/H25 (cm/cm)=6.5 or more; and δD(g/cm2/cm)=0.4 or less. Pref. the synthetic fiber has a crimped shape produced by its potential crimping property. The fiber is made of a polyester that uses repeated units of ethylene terephthalate as the major component, and has a U-shaped cross-section.
Patent KR-880001766-B1 (KR)
Title: Injection melding method for making a switch
Inventor: KAGEUCHI DETSUO
IPC: H01H13/00
Filed: 1981-12-23
Granted: 1988-09-13
Abstract: Planar, push-type switch is mfd. by placing insulating sheets between a back-up plate and a front plate having a pattern and post-shaped parts, and bending the posts behind the back-up plate to hold the assembly together.  The projecting pattern is produced by coating the front panel with thermoplastic, placing the panel in a mould, and injecting material into the mould to form the pattern and posts.
Patent KR-870001843-B1 (KR)
Title: Apparatus and method for attracting & killing insect chosen
Inventor: HAWORTH JANET K
IPC: A01M1/02
Filed: 1981-12-26
Granted: 1987-10-17
Abstract: A selective insect control device is presented.  The device for attracting specific insects to a predetermined site comprises (a) synthetic resin body contg. a pheromone(I) which is an attractant for the male or female insects, and (b) means for controlled release of (I) vapour form at a rate sufficient to attract the insects.  The device minimises the amt. of insecticide per unit surface area and the amt. of insecticide required to obtain the maximum effect on the insect population at the predetermined site.
Patent KR-830002870-B1 (KR)
Inventor: PARK SEONG IL
IPC: B44C3/00
Filed: 1982-03-25
Granted: 1983-12-29
Abstract: 내용 없음.
Patent KR-880001777-B1 (KR)
Title: Alumina coating compositions for catalyst supports and process for their formulation
Inventor: DUPIN THIERRY
IPC: C01F7/02
Filed: 1982-08-27
Granted: 1988-09-17
Abstract: Aq. compsn. for coating a catalyst substrate contains alumina in 2 forms; a binder and a charge (the dispersed and non-dispersed parts respectively).  10-60% (pref. 10-40%) of the alumina is dispersed. The non-dispersed alumina has mean particle dia. 1-15 micron, at least 70% of particles having dia. between 0.5 and 2 times the mean. Also claimed are processes for mfr. and coating, catalyst supports and applications.  Ceramic or untreated metal substrate coated with the dried compsn. will supprt catalysts for (a) very rapid reactions with strong internal diffusion limitation, and (b) reactions with progressive poisoning.  Suitable reactions include car exhaust treatment, hydrodesulphurization, reforming, etc..
Patent KR-860000662-B1 (KR)
Title: Tire loader
Inventor: IRIE NOBUHIKO
IPC: B29D30/00
Filed: 1983-07-06
Granted: 1986-05-29
Abstract: A tyre loader for supplying a green tyre to a vulcanising press comprises grippers mounted on radially extending tracks for gripping a tyre bead, fluid pressure cylinders acting through rods to operate the grippers, and stops for limiting the outward movement of the grippers along the stops. Stepped surfaces pref. provide the stops. The grippers may be mounted on a nut which cooperates with the linear motion bearing of the track. Grippers can be arranged in a precise circle.
Patent KR-890000517-B1 (KR)
Title: Catalyst for manufacturing methacrolein
Inventor: SAITO NOBORU
IPC: C07C45/37
Filed: 1983-09-05
Granted: 1989-03-20
Abstract: A catalyst having compsn. MoaWbBicFedAeBfCgDhOx, useful for mafg. methacrolein by oxidn. of isobutyrene or tert-butanol, is plasticized by hollow cylindrical shape.  In the hollow cylinder, M=3.0-10.0mm, N=0.1-0.7M, L=0.5-2.0M, (M-N)/2=1.0-4.0mm.  In the compsn., A=up to one selected from a gp. of Ni and Co, B=up to one atom selected from a gp. of alk(earth) metal and Tl, C=up to one atom selected from a gp. of P, Te, Sb, Sn, Ce, Pb, Nb, Mn and Zn, D=up to one atom selected from a gp. of Si, Al, Zr and Ti, a,b,c, d,e,f,g,h and x represent each atom ratio, when a=12 then b=0-10, c=0.1-10, d=0.1-20, e=2-20, f=0-10, g=0-4, h=0-30 and x is determined by each atom valency.
Patent KR-910009159-B1 (KR)
Inventor: DESILVA SUNIL G
IPC: B01J31/08
Filed: 1984-09-29
Granted: 1991-10-31
Abstract: 내용 없음.
Patent KR-930002551-B1 (KR)
Inventor: WATANABE TAKACHI
IPC: C09C1/00
Filed: 1984-10-20
Granted: 1993-04-03
Abstract: 내용 없음.
Patent KR-910007924-B1 (KR)
Inventor: RITTER HARRY
IPC: B23K11/10
Filed: 1984-10-22
Granted: 1991-10-04
Abstract: 내용 없음.
Patent KR-870000339-B1 (KR)
Title: Process for preparing n-acyl amino acid diamide derivatives
Inventor: DAKAGAWA NOBORU
IPC: C07D407/12
Filed: 1984-12-06
Granted: 1987-03-04
Abstract: New N-acylamino acid amide derivs. of the formula (I) [R1,R4=H or opt. substd. alkyl, cycloalkyl, akenyl, or arakyl, or NR1R2  and/or NR3R4 are opt. substd. heterocyclic gp.; R5=opt. substd. heterocyclyl, acyl or cycloalkyl; A=direct bond or opt. substd. alkylene, alkenylene or alkadienylene; n=1-3, Specifically A=CH=CH; R5=furyl; n=2! and their salts were prepd. Thus, H-DL-Glu (NHMe)- NPr2.HCl was condensed with 3-(2-furyl)acrylic acid by ClCO2Et in the presence of Et3N to give DL-glutamic acid amide. (I) are anti-ulcer agents, e.g. with ED50 values of 5.9-10.8 mg/kg for prevention of indomethacin-induced ulcers in rats.
Patent KR-930005678-B1 (KR)
Inventor: KEOUGH ALLEN H
IPC: C09D163/10
Filed: 1985-03-11
Granted: 1993-06-24
Abstract: 내용 없음.
Patent KR-900001219-B1 (KR)
Title: Quinoline derivatives, and process for preparation thereof
Inventor: WOOZE DANIEL T
IPC: C07D215/54
Filed: 1985-03-22
Granted: 1990-03-05
Abstract: A process for prepg. quinoline derivs. of formula (I) comprises (a) reacting alpha-halo-aceto-phenone with metal cyanide i.e. NaCN to obtain B-ketonitrile; (b) treating with trialkylorthoformate in the presence of acid anhydride and with (un) substd. amine to obtain enaminonitrile, and (c) reacting with strong base.  In (I), R=H, halo, nitro or -Y-R3[Y=-O- or -S-; R3= H or C1-10 alkyl!; R1= H, C1-10 alkyl, pyridinyl or leaving gp.; R2 = leaving gp..  (I) are useful as an intermediate for prepg. 1,4-dihydro-4-oxo-guinoline-3- carboxylic acid.
Patent KR-880002663-B1 (KR)
Title: A door system
Inventor: SHIN SOK-KYUN
IPC: G10L13/04
Filed: 1985-03-29
Granted: 1988-12-17
Abstract: The door with a synthesized voice announcement consists of a voice synthesizing circuit and a voice control circuit.  The voice synthesizing circuit includes a voice synthesizing LSI (6), a decoder (6), an EPROM (8), D/A converters (91,92), a low pass filter (10), an amplifier (11), and a speaker (12).  The voice control circuit consists of a switch (1) installed at the door, a pulse generator (2) , a flip-flop (3) for stopping the operation of LSI (6), a counter (4), and a mono/multi IC (5) for starting the operation of LSI (6). The counter (4) starts the count with the logic variation of the busy port (B+) of LSI (6) and controls the flip-flop (3) through a gate (g2) after stopping the count.
Patent KR-900000105-B1 (KR)
Title: Semiconductor integrated circuit device
Inventor: USHIKO YUKIHIRO
IPC: G06F1/10
Filed: 1985-06-12
Granted: 1990-01-19
Abstract: The LSI device includes a clock generator connected to a number of clock drivers.  These are distributed over the surface of the LSI chip substrate.  Clock signal lines are drawn out independently from the respective clock pulse driver output terminals. The lines are connecte to load circuits requiring a clock signal. The clock signal line are connected together by a common connecting line of metal wire.  The load conditions are thus equalised on the clock driver circuits.
Patent KR-910002982-B1 (KR)
Inventor: COLEHAN DAEREL F
IPC: G01F1/46
Filed: 1985-10-14
Granted: 1991-05-11
Abstract: 내용 없음.
Patent KR-890002308-B1 (KR)
Title: Iodine battery
Inventor: KOBAYASHI SADAO
IPC: H01M4/62
Filed: 1984-08-30
Granted: 1989-06-28
Abstract: Iodine cell in which the positive electrode cpd. is mainly (I) and a complex adduct of (I) and a polymer or a dispersion of (I) in a polymer able to form a complex adduct with (I) includes carbonaceous material dispersed in the polymer.  The polymer is e.g. polyamide, polyurethane, poly (metha) acrylamaide, polyvinylalcohol or polyether.  The carbonaceous material is e.g. carbon black, acetylene black, graphite or catiene black.  This new cell is useful in primary batteries and pref. in secondary batteries for VTRs, communication equipment, watches, backup or emergency power suplies for computers or OA equipment and for solar cell systems.
Patent KR-890001090-B1 (KR)
Title: A process & apparatus for the low salted-formented fish paste
Inventor: HWANG CHOL
IPC: A23L19/20
Filed: 1986-03-18
Granted: 1989-04-24
Abstract: A process for the prepn. of the low salted-fermented fish paste comprises a) pouring raw fish and salt at the ratio of 10:1.5 into the salting-tank (4), in which raw material supply port (7), air inlet (8) and safety valve (9) for exhaust gas are provided on the upper, and fins (11) are attached to the inner side of (4), to occupy 70% of the tank vol.; b) firstly rotating the tank slowly under a reduced pressure condition by degassing the air within the tank; c) secondly rotating the tank under a high pressure which is introduced by flushing the inert agas into the tank; and d) fermenting the mixt. naturally and aging at the optimum temp. (about 18≰C) in sea water.
Patent KR-940005339-B1 (KR)
Title: Process for the preparation of phosphonic acid derivatives
Inventor: MAYER RUDBICH
IPC: C07F9/38
Filed: 1986-06-10
Granted: 1994-06-17
Abstract: 1. Claims for the contracting States : BE CH DE FR GB IT LI LU NL SE A microbicidal agent containing as at least one active ingredient a compound of the formula I  see diagramm : EP0207890,P22,F1  in which R is C1 -C4 alkyl or OH, R1 is OH X is hydrogen, halogen, C1 -C4 alkyl, C1 -C4 alkoxy, Si(CH3 )3 , -CN, -COOCH3 or -CH2 -CH(NH2 )-P(O)(R)(R1 ) and Y is hydrogen, halogen, halomethoxy, haloethoxy or halomethyl, with the inclusion of the corresponding salts ; together with a suitable carrier and/or wetting agent, a wetting agent always being present, if the active ingredient of the formula I simultaneously has the meanings R=R1 =OH and X=Y= hydrogen. 1. Claims for the Contracting State : AT a microbicidal agent containing as at least one active ingredient a compound of the formula I  see diagramm : EP0207890,P23,F2  in which R is C1 -C4 alkyl or OH, R1 is OH X is hydrogen, halogen, C1 -C4 alkyl, C1 -C4 alkoxy, Si(CH3 )3 , -CN, -COOCH3 or -CH2 -CH(NH2 )-P(O)(R)(R1 ) and Y is hydrogen, halogen, halomethoxy, haloethoxy or halomethyl, with the inclusion of the corresponding salts ; together with a suitable carrier and/or wetting agent, a wetting agent always being present, if the active ingredient of the formula I simultaneously has the meanings R=R1 =OH and X=Y= hydrogen.
Patent KR-890004821-B1 (KR)
Title: A audio tuning system
Inventor: KIM CHOL-JIN
IPC: H03J3/00
Filed: 1986-10-27
Granted: 1989-11-27
Abstract: The audio tuning system solves tuning problems in the streo broadcasting mode by not selecting the same subcarrier frequency which is connected to the PLL circuit.  The PLL circuit, which varies the oscillating frequencies by controlling phase detecting circuit, is connected to the right and left streo circuits.  By controlling the oscillating frequencies of the voltage control oscillator, the outputs are provided to a mode selection circuit (15) through band pass filters (12,22) and FM decoding circiuts (13,23).
Patent KR-890004409-B1 (KR)
Title: Digital tone supply circuit in digital exchange
Inventor: KIM WON
IPC: H04M19/02
Filed: 1986-11-29
Granted: 1989-11-03
Abstract: The various tones necessary for a digital exchanger are converted to the PCM data, stored in a memory, and provided by the cadence control of a CPU.  The circuit comprises an address counter (10) providing address signal, an address resetting circuit (20) clearing the counter, a memory (30) storing PCM tone source data, a decoder (40) providing clock pulse for latching the tone source, a latch (50) latching the tone data for certain time, a tone selector (60) choosing the desired tone, a cadence latch (70) allocating the knid of tone, a time slot allocator (80) providing time-slot signal, a parallel load generator (90) providing the timing and enable signals, and a parallel/serial converter (100).
Patent KR-930007135-B1 (KR)
Title: Actuator device for axially moving rolling mill rolls
Inventor: SCHILLER GUNTER
IPC: B21B31/18
Filed: 1986-12-16
Granted: 1993-07-30
Abstract: Actuator device for axially shifting rolls which can be powered rolls journaled by way of radial bearings in holding elements in a rolling mill frame, uses hydraulic cylinders. At the drive side, the journal portions of the working rolls are respectively stepped to provide a centering roll portion, onto which respectively, an axial bearing is mounted to be positively held in position. At the housing of this bearing is attached a hydraulic cylinder which carries out the adjustment/control operation. The respective locking after mounting a new roll, for example, is achieved by a spindle head which is slipped on and which transmits the motive power of a driving spindle by way of the locking function performed by this spindle.
Patent KR-900004153-B1 (KR)
Title: Automatic welding m/c for trans black core
Inventor: KIM DUK-JE
IPC: B23K9/00
Filed: 1987-02-20
Granted: 1990-06-18
Abstract: The machine for manufacturing laminated core successively comprises a first process for transfering core segment on laminating box (2) by transfer segment and push rod (10), a second process for lining up and fixing by fixed panels (15, 19), progress hindering panel and pressing segment (22), a third process for welding, a fourth process for removing fixing of core segment, and a fifth process for recoiling of the transfer segment (13).
Patent KR-900007472-B1 (KR)
Title: The method of control of rotary type memory device
Inventor: TAKAMATSU HISASHI
IPC: G11B20/10
Filed: 1987-04-14
Granted: 1990-10-10
Abstract: The logical records are arranged in the sectors of the record medium in the ascending order or the sequence of the logical arrangement, even if defective sectors are included. Accordingly, the data can be read and written without waiting for the revolution. When the defective sector is involved, the logical read is arranged behind in the sequence of the logical arrangement. Accordingly, when a position of a record is to be detected on an assumption that there is no defective sector, i.e. when a position of a leading record of a series of records to be read or written is to be specified by a logical position of the record, it can be carried out without waiting for the revolution of the record medium even if the defective sector is involved.