baber/WOPTO huggingface dataset:
Patent KR-840002433-B1 (KR)
Title: Process for preparing n-substituted derivatives of tetrahydropyridyl indole
Inventor: JACQUES GUILLAUME
IPC: C07D401/04
Filed: 1980-07-11
Granted: 1984-12-27
Abstract: The title cmpds. [I; X = C1-6 alkyl, C4-7 cycloalkyl, C2-5 hydroxyalkyl or C1-5 phenoxyalkyl; R = H, halogen, nitro, amino or methylthio; R1,R2 = H  were prepd. by the reaction, of II and Hal-X[X = X' or X"; X' = tetrahydropyranyloxyalkyl; X" = C1-6 alkyl, C5-6 cycloalkylthio 3-(1,2,3,6-tetrahydro-4-pyridyl)-1Hindole HCl salt, 4.2cm3 propyliodide, 6g sodium carbonate and 160cm3 dimethylformamide was stirred for 4 hrs. and crystallized to give 5.2 g 5-methyltio-3-(1-propyl-1,2,3,6-tetrahydro-4-pyridyl)1H-indole HCl salt.
Patent KR-840001052-B1 (KR)
Title: Process for preparing 5-halo pyrimidines
Inventor: KRESS THOMAS JOSEPH
IPC: C07B61/00
Filed: 1980-08-16
Granted: 1984-07-27
Abstract: Prepn. of a 5-halopyrimidine of formula (I) comprises contacting a 2(5H)-furanone of formula (II) with at least 5 moles of formamide per mole of (II) at 150-200≰C, and then collecting (I) which is distilled from the reaction vessel. X1 is chloro or bromo; X2 is chloro, bromo, or phenoxy. Pref. contact is made in the presence of boric acid or boric anbydride.
Patent KR-880001865-B1 (KR)
Title: Process for preparing 4-(1-imidazolyl methyl)cinnamic acid hydro-chloride hydrate
Inventor: KANAME MORITA
IPC: C07D521/00
Filed: 1982-02-10
Granted: 1988-09-23
Abstract: 4-(1-Imidazolylmethyl) cinnamic acid hydrochloride monohydrate of formula (I) are prepd. by recrystallizing 4-(1-imidazolylmethyl) cinnamic acid hydrochloride of formula (II) from water or water- soluble organic solvent with water content of 10-30% (v/v%).  (I) has a strong inhibiting action to biosynthesis of thromboxane A2, and is useful in the treatment of disease caused by thromboxane A2, e.g. inflammatory, hypertension, thrombus, cardiophathy and asthema.
Patent KR-880000624-B1 (KR)
Title: Inversion parallel installation type electromagnetic contactor
Inventor: OKADO HIROYUKI
IPC: H01H9/26
Filed: 1982-09-08
Granted: 1988-04-18
Abstract: Two electronic contactors which control the electric road of a bidirectional rotating motor. are established in parallel.  The fixed part (30a, 30b) of two electronic contactors (12a, 12b) is established in the position determination grooves (32a, 32b) and the rib (34) is formed in the lower part of a supporting frame (26).  As the apparatus (24) does not require the fixation by a screw, the establishment of the apparatus (24) and the electronic contactor (12a, 12b) is easily achieved.
Patent KR-920000839-B1 (KR)
Inventor: DINGWALL ANDRE G F
IPC: H03M1/36
Filed: 1983-05-24
Granted: 1992-01-30
Abstract: 내용 없음.
Patent KR-860001342-B1 (KR)
Title: Pulse nosie reduction device
Inventor: ISHIKAKI YUKINOBU
IPC: H03G3/32
Filed: 1983-07-21
Granted: 1986-09-15
Abstract: A circuit has a timing circuit for generating a sampling pulse in response to an impulse noise introduced in the analog signal. A holding circuit passes the analog signal in the absence of a sampling pulse and holds it in the presence of a pulse to derive a modified analog signal. A differentiator generates a signal representative of the time-varying rate of the analog signal. A sampling circuit samples the rate representative signal in response to the occurrence of a sampling pulse and holds the sampled signal for the duration of the pulse to generate a rectangular pulse.
Patent KR-880000702-B1 (KR)
Title: Circuit breaker
Inventor: IIDA MASACHIKKA
IPC: H01H73/38
Filed: 1983-11-01
Granted: 1988-04-23
Abstract: This invention is concerned with the circuit breaker which enables the break of a drift current and the breaker of selection simultaneously.  The circuit path is composed of the main part of circuit breaker (1) and the breaking part of drift current (2) which are connected in series each other.  The fixed conductor (3) and the driving arm (4) of a drift current part are composed of a parallel conductor.  As the short current flows in reverse direction, the electronic repulsive force is generated.  The fixed iron core (66) is formed in the middle of the fixed connection point of the breaking part of drift current and the terminal (55) in source.
Patent KR-910005309-B1 (KR)
Inventor: JANSEN GERAROUS L M
IPC: G11B7/08
Filed: 1984-01-11
Granted: 1991-07-24
Abstract: 내용 없음.
Patent KR-900003724-B1 (KR)
Inventor: BILLY ROBERT R
IPC: A23L11/00
Filed: 1984-01-30
Granted: 1990-05-30
Abstract: 내용 없음.
Patent KR-870000553-B1 (KR)
Title: High-voltage stabilized circuit
Inventor: ISHIKAWA KATSUMI
IPC: H04N3/16
Filed: 1984-02-22
Granted: 1987-03-18
Abstract: A circuit for generating DC high-voltage is supplied to an anode of CRT, having a simplified circuit structure and reduced size. A first horizontal deflection circuit applies a first flyback pulse across the primary coil of a flyback transformer, while a seocnd horizontal deflection circuit supplies a second flyback pulse to a lower voltage side of the seocndary coil of the flyback transformer througha coupling capacitor. DC voltage supplied to the second horizontal delection circuit is controlled in response to the output voltage of the secondary coil of the flyback transformer.
Patent KR-850000843-B1 (KR)
Title: Process for preparing pyrrolidine derivatives
Inventor: ASHWANDEN WERNER
IPC: C07D207/26
Filed: 1984-07-21
Granted: 1985-06-17
Abstract: Pyrrolidine derivatives I (benzoyl-2-pyrrolidinone) are used for the treatment of cardiac insufficiency and improve intellectual efficiency. I may be administered orally, rectally, or parenterally. Thus, pyrrolidine derivaive III(R4 or R5 = H, R32 = protecting group) was reduced to give I. The effective dosage for I was 30 mg/kg P.O. orally (after 1 hr) for rates in the posthypercapnish avoidance acquistition test.
Patent KR-870001417-B1 (KR)
Title: Human growth hormone producing method by using pta-210 cell line
Inventor: LEE WON-YONG
IPC: C12N5/00
Filed: 1984-07-27
Granted: 1987-07-30
Abstract: Human growth hormone (HGh) is prepd. by subculaturing the pituitary tumor cell, PTA-210 (KFCC 10311) in RPMI-1640 medium. Thus, PTA-210 cell line (KFCC 10311) is provided by subculturing pituitary tumor tissue in a RPMI-1640 medium contg. 15% fetal calf serum in vivo to produce 450  g HGh/105 cell/24h for 6 months.
Patent KR-890002047-B1 (KR)
Title: Machines or methods for producing of cement
Inventor: MIYZAGI HIRODAGA
IPC: B28C7/02
Filed: 1984-10-05
Granted: 1989-06-15
Abstract: A forced mixing type mixer comprises a mixer body having a drive unit which can control the number of revolutions and a storage device in which various operating conditions have been inputted according to the inputted operating condition selecting signals and shipment quantity designation signals, the operating conditions required are selected from the storage device, and on the basis of the operating conditions the drive unit is driven so as to meet the shipment quantity.  Mixing the mortar at a constant speed, the load torque is detected, and at the point when the load torque has become larger than the specified valve the gravel is supplied and mixed.
Patent KR-880001273-B1 (KR)
Title: Coffee oil treatment
Inventor: ROYCHOUDHURY RATHINDRA N
IPC: A23F5/50
Filed: 1984-10-12
Granted: 1988-07-18
Abstract: The diterpene content of coffee oil is reduced by (a) heating coffee oil at 220-270≰C esp. 240-250≰C for 4-60 min esp. 5-15 min; (b) extracting it at 18-27≰C for 5-60 min esp. 10-30 min with 80-90% aq. i-PrOH, with wt. ratio aq. i-PrOH; coffee oil=2-10:1 pref. 4-6:1; (c) separating the oily layer from the aq. i-PrOH. The treatment not only reduces the diterpene content of coffee oil (including cafestol and kahweol), but also provides the oil with satisfactory oxidative stability.
Patent KR-910001860-B1 (KR)
Inventor: SCHENCK JOHN F
IPC: A61B10/00
Filed: 1984-11-02
Granted: 1991-03-28
Abstract: 내용 없음.
Patent KR-870001696-B1 (KR)
Title: Process for preparing polyamide adhesive agent
Inventor: CHO YONG-JANG
IPC: C09J177/02
Filed: 1985-03-15
Granted: 1987-09-24
Abstract: Compsns. for prepg. the adhesive comprise (i) 20-65 wt.% of epsilon- caprolactam or epsilon-aminocaproic acid, (ii) 20-65 wt.% of aminododecanic acid or lauryllactam and (iii) 15-60 wt.% of polyoxyalkyleneglycole and adipinic acid(1:1 equimolar %) of formula HO-[(C)m(R1)(R2)O n-H as a fundamental components(FC).  In the formula, R1 and R2 are H, alkyl or aryl; m=1-4, n=8-50 integer.  The rxn. performed at 200-300 deg. C and in the presence of 2-15(esp. 5- 10) wt.% water, 0-0.2(esp. 0-0.05) wt.% inorg. acid(catalyst) and 0.01-2(esp. 0.03-1) wt.% org. titanate(or titanate complex, or antimony oxide) by 100 wt.% to FC.
Patent KR-900004152-B1 (KR)
Title: Method for reduction in width of slabs by pressing and press for the same
Inventor: NAOI DAKAYUKI
IPC: B21J5/00
Filed: 1985-03-29
Granted: 1990-06-18
Abstract: Pressing anvil for hot slab width reduction, has inlet and exit angled profiles to reduce tensile stress and improves slab configuration. The pressing device for continuous hot slab rolling, has a pair of anvils having inlet slope and parallel parts.
Patent KR-930008244-B1 (KR)
Inventor: ALTMAN DENIS J
IPC: G21C19/02
Filed: 1985-08-22
Granted: 1993-08-27
Abstract: 내용 없음.
Patent KR-900003591-B1 (KR)
Title: Data processor devices
Inventor: GIDA HIROYUKI
IPC: G06F9/45
Filed: 1986-04-08
Granted: 1990-05-26
Abstract: The processor available to micro program controllled microcomputer includes a memory (301) for storing more than one instruction word acquired from one decoding process, a first decoder (302) for reforming instruction read from the memory (301) into intermediate machine language, a memory (303) for storing reformed instruction, a memory (202) connected to the memory (303) for storing more than one microprogram, a second decoders (2030, 2035) for decoding instrucions, and a data processor for storing data on the memory according to the instructions and for invalitating the output data of the second decoder.
Patent KR-890003418-B1 (KR)
Title: Manufacturing method of semiconductor light emitting diode
Inventor: KIM KI-JUN
IPC: H01L31/00
Filed: 1986-04-22
Granted: 1989-09-20
Abstract: The surface radiation type LED with a lens configuration which reduces the surface reflection is manufactured by a process for forming a lens pattern on the first insulation layer formed on GaAs substrate, a process for forming the second insulation layer (16) as a light emitting area after epitaxing a transparent layer, an active layer (14) and a cap layer sequentially, a process for etching the substrate to form a lens (10), a process for forming the first electrode (7) at the center position of the reverse side of the lens, and a process for forming the second electrode (1) around the lens.
Patent KR-890003950-B1 (KR)
Title: Apparatus for automatically controlling a revolving door
Inventor: WANG BOK-KWON
IPC: E06B3/90
Filed: 1986-05-07
Granted: 1989-10-13
Abstract: The braking apparatus is used for a turnstile being easily turned when pushed and being automatically braked after the user's passing through.  The braking apparatus includes operating members comprising push plates (6) set resiliently on knob frames (5) with springs (7,7') and sliders (9) connected to fixing parts (96), braking members whose braking parts actuate to be selectively in contact with or separate from the inner wall of a drum (17).  Each braking part separates from the drum when the push plate is pushed, so that the braking force on a turning shaft is released. If the pushing force on the pushing plate is released, each braking part contacts with the inner wall of the drum, and the turnstile being automatically braked.
Patent KR-930011281-B1 (KR)
Title: N-(2-aminoacylamide-2-deoxy-hexoyl)-amide-carbamate and-urea, its production and drug
Inventor: LOCKHOFF OSWALD
IPC: A61P1/16
Filed: 1986-06-19
Granted: 1993-11-29
Abstract: Compounds of the formula   <IMAGE>   in which R1 denotes hydrogen or a saturated or singly or multiply unsaturated alkyl radical having up to 50 carbon atoms, X represents -CH2-, -O-or -NH-, R2 denotes hydrogen or a saturated or singly or multiply unsaturated alkyl radical having up to 50 carbon atoms, R3, R4 and R5, independently of one another, denotes hydrogen or acyl-CO-R6, R6 being an alkyl radical having up to 10 carbon atoms, R7 denotes hydrogen, C1-C7-alkyl-, hydroxymethyl, 1-hydroxyethyl, mercaptomethyl, 2-(methylthio)-ethyl, 3-aminopropyl, 3-ureidopropyl, 3-quanidyl-propyl, 4-aminobutyl, carboxymethyl, carbamylmethyl, 2-carboxyethyl, 2-carbamoylethyl, benzyl, 4-hydroxybenzyl, 3-indolylmethyl or 4-imidazolylmethyl, and R8 represents hydrogen or methyl, and R9 represents hydrogen, acetyl, benzoyl, trichloroacetyl, trifluoroacetyl, methoxycarbonyl, t-butyloxycarbonyl or benzyloxycarbonyl and R7 and R8 together can denote -CH2-CH2-CH2, and pharmaceutically acceptable salts thereof stimulate the immune system and can be used in conjuction with antibiotics and vaccines. New intermediates are also shown.
Patent KR-890005183-B1 (KR)
Inventor: CHO KYONG-JE
IPC: C25D3/00
Filed: 1986-09-16
Granted: 1989-12-16
Abstract: 내용 없음.
Patent KR-940002520-B1 (KR)
Title: Solid-phase analytical device and method for using same
Inventor: BROWN WILLIAM E
IPC: G01N33/543
Filed: 1986-10-02
Granted: 1994-03-25
Abstract: A novel material and device useful in solid-phase binding assays to determine the presence or amount of an analyte in a test sample, particularly antigens or antibodies, is disclosed. The material comprises a porous matrix of fibers and a plurality of substantially spherical, solid particles having an average diameter of from about 0.1 to about 5 microns. The particles are retained and immobilized upon the fibers of the matrix. Preferably, the particles have on their surfaces a substance capable of reaction with the analyte in the sample, and the average diameter of the particles is less than the average pore size of the matrix. The device, in a preferred embodiment, comprises a substantially planar layer of the described material.
Patent KR-950000323-B1 (KR)
Inventor: HAKAMADA KUNIO
IPC: H04N5/45
Filed: 1986-12-27
Granted: 1995-01-13
Abstract: 내용 없음.
Patent KR-910001558-B1 (KR)
Inventor: NARITOMI YOSHIHAROO
IPC: G06F17/21
Filed: 1987-03-11
Granted: 1991-03-15
Abstract: 내용 없음.
Patent KR-950012021-B1 (KR)
Inventor: SONEDA MITSUO
IPC: H03K3/011
Filed: 1987-03-23
Granted: 1995-10-13
Abstract: 내용 없음.
Patent KR-950006070-B1 (KR)
Inventor: WEISS JORN V
IPC: C09D163/00
Filed: 1987-07-15
Granted: 1995-06-08
Abstract: 내용 없음.
Patent KR-890004870-B1 (KR)
Title: A calendar
Inventor: CHANG BYONG-KU
IPC: G09D3/06
Filed: 1987-10-17
Granted: 1989-11-30
Abstract: A calendar mechanism can provide a date with a week day regardless of whether the date is of the past or for the future. The mechanism includes fine rollers arranged in parallel to one another and gears engaging with one another in sequence, all being housed in a housing case having rectangular windows.   A dial fixed to a roller rotates all the rollers in association to show the day numbers of a month on the respective rollers through the windows.  The arrangement of numbers for day, month and year is made by manipulation of the dial.
Patent KR-900004252-B1 (KR)
Title: Semiconductor integrated circuit
Inventor: YAMASITA KOICHI
IPC: G06F11/27
Filed: 1987-12-11
Granted: 1990-06-18
Abstract: A semiconductor integrated circuit includes a series of integrated circuit blocks constructed on a wafer. The integrated circuit blocks are electrically connected to each other so as to form a system. Each of the intergrated circuit blocks comprises a logic circuit for carrying out a logic operation, a pseudo-random pattern generating circuit, a switching circuit for selecting either an input signal to be processed by the logic circuit or the pseudo-random pattern signal, and a data compressing circuit for compressing an output data signal of the logic circuit.
Patent KR-950004396-B1 (KR)
Title: Crt structure for c-crt
Inventor: KWON SU-KUN
IPC: H01J29/48
Filed: 1987-12-22
Granted: 1995-04-28
Abstract: The invention increases resolution of the fluorescent screen by modifying the configuration of holes of electron gun. A protruded rim in a shspe of a stadium track is formed on the upper surface of G3(13') and G4(14') electrodes. Inside of the rim, there are the holes (17'R) (17'G) (17'B) (18'R) (18'G) (18'B) and grooves(E).
Patent KR-950014532-B1 (KR)
Inventor: SAMUL V SHELTON
IPC: F25B17/08
Filed: 1986-04-30
Granted: 1995-12-05
Abstract: 내용 없음.
Patent KR-940007111-B1 (KR)
Title: Method and apparatus for the optical determination of surface profiles
Inventor: WILLAMS DARYL N
IPC: G01B11/24
Filed: 1986-05-27
Granted: 1994-08-05
Abstract: PCT No. PCT/AU86/00150 Sec. 371 Date Jan. 2, 1987 Sec. 102(e) Date Jan. 2, 1987 PCT Filed May 27, 1986 PCT Pub. No. WO86/07443 PCT Pub. Date Dec. 18, 1986.A method and apparatus for providing information as to the cross-sectional shape or profile of a body is disclosed in which a known datum in the form of a bar 50 having a cross-shaped cross-section is detected by a camera 14. A body is then detected by the camera 14 to provide preliminary information as to the shape or profile of the body and the preliminary information is transformed in accordance with a variation of the detected datum from the known datum to provide a better indication of the true cross-sectional shape or profile of the body. The known datum 50 enables at least three non-colinear reference locations to be defined and calibration parameters are determined from the reference locations so that exact reference locations can be determined.
Patent KR-910003930-B1 (KR)
Inventor: NAKATSU KEICHI
IPC: G11B7/085
Filed: 1988-04-18
Granted: 1991-06-17
Abstract: 내용 없음.
Patent KR-970003815-B1 (KR)
Inventor: DAVIS JR C FRED
IPC: G21F5/012
Filed: 1988-04-27
Granted: 1997-03-22
Abstract: 요약없음
Patent KR-970007956-B1 (KR)
Title: Device for operating a railroad switch
Inventor: FRANCIS CARMES
IPC: B61L5/06
Filed: 1988-05-04
Granted: 1997-05-19
Abstract: An operating device for a railroad switch, the device comprising a right drive rod (5) connected to a right point blade (1), a left drive rod (6) connected to a left point blade (2), and a moving carriage (7) driven by a motor between a right locking plate (12) and a left locking plate (13). The plate is held in position by a frame (36). The right drive rod (5) is situated between the right locking plate (12) and the carriage (7) and being received in a right groove (14) of the carriage. The left drive rod (6) is situated between the left locking plate (13) and the carriage (7) by being received in a left groove (15) of the carriage. Each drive rod (5, 6) is provided with two floating pegs (8 to 11) extending perpendicularly to the grooves and each is received in a corresponding notch (16 to 19) in the rod. Each locking plate includes at least one vertical locking recess (20, 21) having sloping side walls, and the width of the carriage between the locking plates comprising: at each end, a first step (22, 22A) of width no greater than the distance L between the two locking plates less twice the diameter D of a floating peg; followed on each side of the carriage going axially towards the middle of the carriage by a second step (23, 23A) of width lying between L-2D and L-D; and finally by a middle step (24) of width less than L and greater than the width of the second step, with each transition between a first step and a second step taking place via a sloping wall.
Patent KR-910007296-B1 (KR)
Inventor: TAKEUCHI HIROSATO
IPC: B21K21/00
Filed: 1988-07-14
Granted: 1991-09-24
Abstract: 내용 없음.
Patent KR-920009304-B1 (KR)
Title: Water heater
Inventor: MOU KATO
IPC: F24H1/10
Filed: 1988-09-07
Granted: 1992-10-15
Abstract: The heater has a controller for controlling heating  calories according  to  the  temperature  of  supplied  water.  The  heater comprises means for detecting water supplied to the  water  heater and generating signals of water-passing; means for  heating  water in water heater; means for  detecting  the  temperature  of  water supplied to the water heater and generating signals  according  to the detected temperature; means, for controlling heating  calories according to the signals,  which  has  counting  means  for  being actuated for a certain seconds by signals received from the  means for detecting water. The  controlling  of  the  heating  means  is started by the temperature signal from the detecting  means  after actuating of the counting means is finished.
Patent KR-920000205-B1 (KR)
Title: Process for the prepartion of poly arylene sulfide
Inventor: LEE SUNG-SU
IPC: C08G61/10
Filed: 1988-09-24
Granted: 1992-01-10
Abstract: A polyarylene sulfide having a high polymerization degree  is condensation-polymerizing dihalo aromatic cpd. with  alkali  metal sulfide in the presence of the lactam based polar organic  solvent or metalic salt catalyst. The dihalo aromatic cpd. is the  formula (1) ,(2) or (3). In the formulas, X is Cl, Br, I or  F;  Y  is  -R, -OR, -COOH; R is C1-18 (cyclo)alkyl, C6-18 aryl or aralkyl; m = 2, 0 <=n<= 4, a = 2, 0<=b<=4, 0<=c<=2, 0<=d<=2, c+d = 2, 0<=e, 0<=e, 0<=f<=4. Pref. the alkali metal sulfide  is  the  formula Z2S [Z is Li, Na, K, Rb or  Cs .  The  obtd.  polyarylene  sulfide polymer  has good  mechanical  properties,  heat  resistance  and chemical- resistance.
Patent KR-960014870-B1 (KR)
Title: Process for preparing colloidal dispersive protein system in the shape of nanoparticles
Inventor: STAINMESSE SERGE
IPC: A61K9/51
Filed: 1989-06-29
Granted: 1996-10-21
Abstract: The process is characterised according to the invention in that: (1) a liquid phase consisting essentially of a solution of the protein and optionally of a biologically active substance in water or in an aqueous mixture is prepared at a temperature below the coagulation temperature of the protein, and to which one or more surfactants may be added, (2) a second liquid phase consisting essentially of water or an aqueous mixture is prepared at a temperature above the coagulation temperature of the protein, and which can contain a biologically active substance and to which one or more surfactants may be added, (3) one of the liquid phases obtained under (1) or (2) is added with moderate agitation to the other under pH conditions remote from the isoelectric point of the protein, so as to obtain virtually instantaneously a colloidal suspension of nanoparticles of the protein, and where appropriate, of the biologically active substance, and (4) if so desired, all or part of the water or of the aqueous mixture is removed so as to obtain a colloidal suspension having the desired concentration of nanoparticles or to obtain a powder of nanoparticles. Applications: biochemistry, pharmacy, medicine, cosmetics.
Patent KR-920002485-B1 (KR)
Title: Eligible called subscriber discrimination method
Inventor: LEE SUNG-GEUN
IPC: H04M3/42
Filed: 1989-08-19
Granted: 1992-03-26
Abstract: First,  a  checking  finds  whether  there  is  any   called subscriber within the switching system, when a collective  command message is  received.  If  none,  a  negative  answer  message  is transmitted. If any, a positive message  is  transmitted  to  give ring to the subs criber, and  then,  a  collective  command  guide message is connected to the subscriber, as well as enabling a dial counter. Then a dial tone is connected to the subscriber up to the first digit of a secret code, and then,  if  the  secret  code  is verified, a communication is connected. If the  secret  code  does not correspond, a busy tone is outputted, and a looping is carried out. When a certain roundof looping is carried out,  the  call  is canceled to terminate the call.
Patent KR-920006990-B1 (KR)
Inventor: SUZIHASHI YOSHIKI
IPC: G06F7/53
Filed: 1989-10-04
Granted: 1992-08-24
Abstract: 내용 없음.
Patent KR-970001917-B1 (KR)
Inventor: BLOCK FREDERICK PETER
IPC: G06F12/00
Filed: 1989-10-25
Granted: 1997-02-19
Abstract: 내용없음.