baber/WOPTO huggingface dataset:
Patent JP-S63287957-A (JP)
Title: Electrophotographic sensitive body
Inventor: NAKAMURA YOICHI
IPC: G03G5/06
Filed: 1987-05-21
Abstract: PURPOSE:To obtain a sensitive body having high sensitivity and superior repetitive characteristics by incorporating a specified trisazo compd. as an electric charge generating substance into a photosensitive layer on an electrically conductive substrate. CONSTITUTION:A trisazo compd. represented by the formula as an electric charge generating substance 3 is incorporated into a photosensitive layer 20 on an electrically conductive substrate 1. The layer 20 is formed by dispersing the compd. and an electric charge transferring substance 5 in a resin binder. In the formula, each of R1-R7 is H, halogen, hydroxy, alkyl, alkoxy, allyl or the like and Ar is an arom. ring or an arom. heterocyclic group. Since the trisazo compd. is used, a sensitive body having high sensitivity whether positively or negatively charged and also having superior repetitive characteristics can be obtd.
Patent JP-S5647761-A (JP)
Title: Laminated analyzing piece and immunity analyzing method using the same
Inventor: HIRATSUKA NOBUO
IPC: G01N33/543
Filed: 1979-09-27
Abstract: PURPOSE: To obtain an immunity analysis ready to perform and having higher reproducibility by using an analyzing piece comprising a holder provided with a B/F separation layer through a silver halogenide layer.  
     CONSTITUTION: Used as a laminated analyzing piece is one made by providing a silver halogenide layer 2 on a holder 3 and moreover providing on the layer 2 a so-called B/F separation layer 1 capable of separating antigen or antibody from a combination of antigen and antibody. Each of said layers 1 and 2 can consist of one layer, or two or more according to need. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S61282351-A (JP)
Title: 3-cyano-2-propenyltrimethylammonium salt and production thereof
Inventor: KAWAMURA MASAO
IPC: C07C67/00
Filed: 1985-06-08
Abstract: NEW MATERIAL:A compound expressed by formula I (X is Cl or Br). EXAMPLE:3-Cyano-2-propenyltrimethylammonium chloride. USE:A precursor for l-carnitine useful as a remedy for chronic myocardial ischemia or angina pectoris, etc. PREPARATION:According to the reaction formula, carnitinenitrile expressed by formula II is dehydrated with acetic anhydride as a dehydrating agent to give the aimed compound expressed by formula I. The reaction is carried out using dl-carnitinenitrile as the carnitinenitrile at 80-140 deg.C, preferably 100-120 deg.C for 20-50hr, preferably >=35hr. The amount of the acetic anhydride to be used is equimolar amount - about 3 mol based on the compound expressed by formula II.
Patent JP-S5463077-A (JP)
Title: Preparation of imidazoline derivative
Inventor: KAI YOSHINOBU
IPC: C07D233/56
Filed: 1977-10-19
Abstract: PURPOSE: To prepare the title compound in high yield with suppressed side reactions, by reacting on organic carboxylic acid or its ester with polyethylene polyamine in the presence of a catalyst comprising a metal of II or - group of periodic table, its oxide, or its hydrixide.  
     CONSTITUTION: The compound II is prepared by reacting on organic carboxylic acid of formula R 1 (COOR 2 ) l  (R 1  is alkyl, alkenyl, aryl; R 2  is H, 1-4C alkyl, l is 1-4) or an organic carboxylic acid ester of formula I (R 3 , 4 , 5  are alkyl, alkenyl) with polyethylene polyamine of formula NH 2  (CH 2 CH 2 NH) m H (m is 1-5), e.g. EDA, DETA, etc., in the presence of a catalyst selected from a metal of II or IV group of the periodic table (Be, Mg, Ca, Zn, etc.), its oxide, hydroxide, chloride, carbonate, sulfate, and organic carboxylic acid salt. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S63290163-A (JP)
Title: Switching power source circuit
Inventor: HAYAZAKI KIYONOBU
IPC: H02M3/28
Filed: 1987-05-20
Abstract: PURPOSE:To improve efficiency and to reduce noise, by carrying out pulse width control of a switching power source only in respective secondary circuits. CONSTITUTION:A power source 1 is connected in series with the primary winding 4a, of a transformer 4 and a switching element 3, then the switching element 3 is ON/OFF controlled through alternating pulses fed from an oscillation circuit 2. A load 8 is connected through a rectifier circuit comprising a switching element 5 and a bypass diode Db and a smoothing circuit comprising a coil L and a capacitor C to the secondary winding 4b of the transformer 4. Here, a control winding 4c is connected in series with the winding 4b of the transformer 4 with one end thereof being connected through a bias resistor R with the gate of the switching element 5. Furthermore, pulses are fed from a pulse width control circuit 10 for controlling ON pulse width corresponding to the output voltage from the smoothing circuit are fed to the gate of the switching element. Consequently, output current can be controlled.
Patent JP-H11337944-A (JP)
Title: Reflection type liquid crystal display
Inventor: HERRMANN INGO
IPC: G02F1/13363
Filed: 1999-04-30
Abstract: PROBLEM TO BE SOLVED: To provide a reflection type liquid crystal display which can be manu factured with substrate spaces compatible to a transmission type TN display, can utilize high luminance value and high contrast value and has comparatively small wavelength dependency in light modulation. SOLUTION: The reflection type liquid crystal display is formed of a polarizer and at least one retardation layer, a liquid crystal cell has a first substrate with a transparent electrode and a second substrate with a reflection electrode and liquid crystals are encapsulated between the first substrate and the second substrate. At the time of encapsulating, the liquid crystal display exhibits a double refraction effect even in a voltage nonimpression state and in a voltage impression state. The liquid crystal and the retardation layer 13 are constituted or adjusted to each other so that wavelength dependency of double refraction of the liquid crystal and the retardation layer 13 is substantially compensated.  Therefore the liquid crystal display of the retardation layer 13 having large cell spaces and corresponding thickness can be constituted without degradation of wavelength dependency of double refraction index (scattering).
Patent JP-S5350403-A (JP)
Title: Coil end insulation support for motor
Inventor: KONNO TAKEO
IPC: H02K3/50
Filed: 1976-10-20
Abstract: PURPOSE: To improve the operation control properties of gap measurement by inserting an insulation support, which is provided at its lower end edge with notches inclined in the direction of rotation of a gap gauge at the time of measurement of the air gap, into an end coil section and securing it thereto. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S5461141-A (JP)
Title: Preparation of p-hydroxyphenylglycine
Inventor: KOBAYASHI IWAO
IPC: C07C229/36
Filed: 1977-10-18
Abstract: PURPOSE: To prepare the title compound easily, without using large excess amount of ammonium salt, by reacting phenol, glyoxylic acid salt, and a strong acid ammonium salt, under acidic or weak basic conditions.  
     CONSTITUTION: p-Hydroxyphenylglycine is prepared by reacting phenol, glyoxylic acid salt, and a strong acid ammonium salt (protonic acid, sulfuric acid, etc. having a pKa of ≤ 3 in water at 25°C) in water or a mixed solvent of water and an organic solvent, at pH3W9 and 5W80°C for 10W50 hours. To improve the yield, the molar ratios of the ammonium salt and phenol to the glyoxylic acid salt are pref. ≥2 and ≥0.4, respectively 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H07330675-A (JP)
Title: Halimesine a derivative
Inventor: CHIN YOSHITAKA
IPC: A01N63/04
Filed: 1994-06-07
Abstract: PURPOSE:To obtain the Met new chemical substance having fine algae growth- suppressive activity, thus useful for controlling or suppressing the abnormal breeding of fine algae in red tides, lakes or waterways. CONSTITUTION:The halimesine A derivative of formula I [Ac is acetyl; R1-R4 are each an alkylcarbonyl of formula COCnH2n+1 ((n) is an integer of 1-7) or H, where, they are not H simultaneously], e.g. a compound of formula II (Ac is acetyl). The compound of formula II has the following physicochemical properties: color: none; molecular weight: 972; molecular formula: C50H84O18; specific rotatory power [alpha]<26>D:+7.8 (c=0.3, CHCl3); solubility: soluble to MeOH, EtOH, acetone, EtOAc, CHCl3, sparingly soluble to water, etc. The derivative of formula I is obtained by reaction at -10 to 50 deg.C for 10min to 24h between e.g. a carboxylic anhydride and halimesine A produced by purifying a cultured product obtained by culturing a strain such as Fusarium sp. FE-71-1 (FERM P-13910) in a medium.
Patent JP-H07331985-A (JP)
Title: Preceding lock bolt construction and boring method of large section tunnel by means of release blasting
Inventor: WATANABE MICHIHIKO
IPC: E21D9/00
Filed: 1994-06-07
Abstract: PURPOSE:To lower the cost of production by making improvements in safety and productivity, in the natural ground of a medium hard rock. CONSTITUTION:A pilot tunnel B is constructed in the lower half part of a boring scheduled section A, while a lock bolting hole is bored in the inmost recess of the section A from the tunnel B, inserting each lock bolt 4 into the hole, and it is bonded by a fixer material, and peripheral natural ground is joined together by these lock bolts 4. Utilizing the rest holes, the natural ground is released to some extent by means of blasting and an upper half part A1 is bored and, after earth is discharged and concrete 13 is sprayed around, the lower half part is bored and earth is discharged as well, and thus those of boring, earth-moving and concrete spraying are parallelly carried out at the same time.
Patent JP-S61284210-A (JP)
Inventor: SHIKINAMI YASUO
IPC: E04B1/72
Filed: 1985-06-07
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H06304289-A (JP)
Title: Line drawing device
Inventor: SUGIMOTO NOBUAKI
IPC: A63C19/08
Filed: 1993-04-27
Abstract: PURPOSE:To obtain a self traveling type line drawing device which can form a straight line on a line formation surface correctly in a simple manner. CONSTITUTION:A straight line shaped guide wire 58 is arranged along the predetermined line L1 on a line formation surface M. On a truck 1 on which a paint accommodation container 2 is mounted, a driving mechanism K for driving front wheels 3 is installed. On a steering frame body 5 which holds the front wheels 3 in free revolution, a guide arm 54 is installed. The guide arm 54 leads the truck 1, guided by the guide wire 58.
Patent JP-H07336918-A (JP)
Title: Permanent magnet motor, and compressor for cooler
Inventor: TANIMOTO SHIGEYA
IPC: H02K21/14
Filed: 1994-06-07
Abstract: PURPOSE:To materialize the improvement of drive efficiency and downsizing by increasing the density of magnetic fluxes in air gaps. CONSTITUTION:A rotor iron core 30 is constituted by stacking many sheets of iron plates 30a having two orthogonal directions A and B where magnetization is easy. Four permanent magnets 32 in the rotor 28 are circular in cross section, and are arranged so that the magnetic pole axis O connecting the center C in circumferential direction of each magnetic pole and the center C of rotation of the rotor 28 may roughly accord with the directions A and B where magnetization of iron plates 30a is easy. In the iron core 35 lying between the permanent magnet 32 and the air gap 33 in the iron core 30 of the rotor, magnetic fluxes come to flow smoothly in a radial direction, so the magnetic flux of the permanent magnet 32 reach the air gap 33 easily from the iron core 30 of the rotor, and the increase of the density of magnetic fluxes in the air gap 33 becomes possible.
Patent JP-S62283865-A (JP)
Inventor: INOUE RYOJI
IPC: C04B35/12
Filed: 1986-05-30
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S63291206-A (JP)
Title: Magnetic head
Inventor: HOSHINO TAKAMASA
IPC: G11B5/265
Filed: 1987-05-21
Abstract: PURPOSE:To facilitate the manufacture of a magnetic head and to prevent a yield from being lowered due to the breakdown of a core, by setting the maximum distances of the outer edges of erasing cores so as not to exceed the maximum distance of the outer edge of a recording and reproducing head. CONSTITUTION:A cutting groove 1b provided on both side planes of the recording and reproducing core 1 and a pair of erasing cores 2 arranged in the cutting groove 1b are provided, and the maximum distances of the outer edges of the pair of erasing cores 2 in a direction at right angles to the traveling plane of a medium is set less than the maximum distance of the outer edge of the recording and reproducing core 1 in a direction perpendicular to the traveling plane of the medium. Also, a cutting groove 3a to insert the core and a window 3b to bring the core into contact with a medium plane are provided at a fixed frame 3 made of ceramics. In such a way, assembling work can be facilitated, and the lowering of the yield due to the breakdown of the core can be prevented from being generated.
Patent JP-S58189160-A (JP)
Title: N-isopropyl-2-hydroxy-3-(4-indoloxy)propionamide and preparation of indole derivative using the same
Inventor: SHIMAZAKI TAKESHI
IPC: C07D209/08
Filed: 1981-08-12
Abstract: PURPOSE:To prepare the titled compound useful as a hypotensor, etc., easily, in high yield and purity, by using novel N-isopropyl-2-hydroxy-3-(4-indoloxy)propionamide as the raw material, and reacting the material with an organometallic reducing agent. CONSTITUTION:The N-isopropyl-2-hydroxy-3-(4-indoloxy)propionamide which is a novel compound useful as an intermediate for the preparation of pindlol, is used as a starting compound, and is made to react with an organometallic reducing agent preferably in a solvent such as tetrahydrofuran in an inert gas stream at a temperature between 0 deg.C and the boiling point of the solvent, preferably at 0-60 deg.C for 3-6hr to obtain the objective compound having beta-receptor blocking activity. The organometallic reducing agent is preferably NaBH4, Li[AlH4], etc., or their combination with trifluoroboron ethyl ether, AlCl3, etc. USE:Remedy for abnormal extracystole.
Patent JP-S5250204-A (JP)
Title: Tape form magnetic recording material
Inventor: SUZUKI YOSHIHISA
IPC: G11B5/842
Filed: 1975-10-20
Abstract: PURPOSE: Falling off of magnetic powder on the lateral surfaces of magnetic tapes is prevented. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S5750770-A (JP)
Title: Oxygen electrode for battery
Inventor: NAKAMURA TOSHIAKI
IPC: H01M4/90
Filed: 1980-09-11
Abstract: PURPOSE:To render the manufacturing process simple and enhance the stability of an electrode, by using cobalt oxyhydroxide as a catalyst used for as oxygen electrode for the battery. CONSTITUTION:An oxygen electrode used for a fuel cell or a battery whose negative electrode is such a metal as zinc, iron, cadmium or the like can be obtained as follows. After all, a catalyst and a conductor such as activated charcoal or the like are mixed to make a mixture, then a binding agent such as polytetrafluoroethylene or the like is added into the mixture, which is molded into a sheet, the former sheet being compression-adhered to both surfaces of the nickel net to form the oxygen electrode. In this case, cobalt oxyhydroxide is used as a catalyst of the oxygen electrode, and also, the preferable content is in the range of 4-30wt%.
Patent JP-S6051093-A (JP)
Inventor: JIERARUDO OTSUFUREI KUROUZAA
IPC: H04N7/169
Filed: 1984-06-20
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S63291186-A (JP)
Title: Character recognizing system
Inventor: KATSUYAMA YUTAKA
IPC: G06K9/70
Filed: 1987-05-22
Abstract: PURPOSE:To add a learning function and to improve a recognition ratio by retrieving the dictionary of a wooden structure and adding a path to a correct character to a retrieving path when the retrieved recognition result is erroneous. CONSTITUTION:When a recognition control part 2 inputs, for instance, the quantity of the feature of an unknown character, a down retrieval is carried out along the wooden structure of the dictionary 1, and a finally obtained recognition result is displayed by a character, for instance, and outputted. For instance, only when an operator decides a correction, he applies correct character information to the recognition control part 2 only at the time of an error. Thereby, the recognition control part 2 stores the dictionary 1 so as to apply the retrieving path to the correct character in the wooden structure of the dictionary 1 to learn so as not to have the error to a next character retrieval.
Patent JP-H01295676-A (JP)
Title: High power factor power supply equipment
Inventor: MINAGAWA TSUNEHIKO
IPC: H02M7/06
Filed: 1988-05-23
Abstract: PURPOSE:To secure the safety of apparatus thoroughly and to promote the efficiency thereof by stopping the operation of said apparatus at the timing for the value of AC supply voltage to become a specified one and less at the time of output voltage exceeding a given value. CONSTITUTION:A power supply equipment is composed of a commercial AC power supply 1, a rectifier circuit 2, and a chopper circuit 6 to supply a load R with power. Said rectifier circuit 2 is composed of a full-wave rectifier circuit 3, a choke coil 4, and a smoothing capacitor 5; and said chopper circuit 6 stabilizes the output voltage of the rectifier circuit 2. To constitute the chopper circuit 6, a transistor(Tr) 8 is connected with the input end of said chopper circuit via a reactor 7, and a diode 9 is directed forward and a capacitor 10 is connected with said transistor. Then, a voltage signal is obtained by a voltage difference detector circuit 22 and the like, a comparator circuit 27 and the like ON-OFF drives Tr 8 by a duty according to the inclination of a change of level of said voltage signal, and said ON-OFF driving of Tr 8 is stopped by comparator circuits 31-32 and the like.
Patent JP-H10318057-A (JP)
Title: Vehicular intake device
Inventor: AMEKURA HIROSHI
IPC: B60K13/02
Filed: 1997-05-15
Abstract: PROBLEM TO BE SOLVED: To lead intake which does not contain moisture into an intake pipe of an engine effectively without increasing an intake resistance of the engine. SOLUTION: In a vehicular intake device 10, an intermediate opening part 11b is formed on an intermediate front surface of a vertical pipe 11 whose upper end opening part 11a is bent toward a front side of a vehicle, and a hollow box body 12 is installed around the vertical part 11 so as to enclosing the intermediate opening part 11b. An intake leading-in pipe 13 connected to the intake pipe of an engine is installed on a back part of the box body 12 so as to communicate with the inner part of the box body 12.
Patent JP-S5826446-A (JP)
Title: Electric bulb type discharge lamp
Inventor: HIRAI AKIRA
IPC: H01R33/22
Filed: 1981-08-10
Abstract: PURPOSE:To eliminate the possibility in which the captioned lamp might be mis-inserted into a socket which is a stabilizer separating type and besides a usual incandescent lamp type, by installing on the end face of a screw-in type base, an insulating seat which is projecting from the periphery of a central electrode of a lamp-base in the captioned lamp. CONSTITUTION:In a spherical shell 1, a curved discharge lamp 2 and a glow- stater 3 are enclosed; lead wires 4 and 5 provided for connecting said lamp 2, and starter 3 to a stabilizer which is enclosed in the instrument side are connected to an outer electrode 6a and a central electrode 6b of the screw-in type base 6 installed on the spherical shell 1, where a cylindrical insulating seat 7 whose diameter is smalller than that of the end surface of the base is installed concentrically. On the other hand, on the bottom surface of a socket 9 on the side of the instrument 8 containing the stabilizer S, an annular concavity 10 which receives said insulating seat 7 is provided concentrically with the socket 9. Said insulating seat 7 can be tightly and completely inserted into the annular concavity 10 so that the lamp can be lighted. Said insulating seat 7 can mechanically protect the base center electrode.
Patent JP-S62280974-A (JP)
Title: Picking processor in crt display device
Inventor: OHASHI KOICHI
IPC: G09G5/36
Filed: 1986-05-29
Abstract: PURPOSE:To speed up operations without deteriorating picking processing accuracy by artificially generating linear data at every interval smaller than the size of an area designated by a straight line generation means. CONSTITUTION:Since pixel data generated by a DDA 38 is not continuous and generated at every prescribed interval, overall processing time can be shortened. Moreover the prescribed interval is the same as the number of pixels instructed simultaneously by an instruction part 34. Consequently, as long as line segments pass through the instructed area, pixel data coincides with any one of plural pieces of pixel data instructed by the indication part 34, and no detection error occurs.
Patent JP-S63289962-A (JP)
Title: Electrostatic protective circuit
Inventor: YAMADA TAKAAKI
IPC: H01L21/8234
Filed: 1987-05-22
Abstract: PURPOSE:To obtain an electrostatic protective circuit which is excellent in its withstand voltage/current performance and usable also in a roll call circuit, by forming a field-effect transistor with a drain, connected to its input terminal, and a source 15 and a gate 1g, provided with application of a prescribed voltage and next by forming a parasitic lateral bipolar transistor or the like connected in parallel with the field effect transistor. CONSTITUTION:This circuit is composed of the following parts: a field-effect transistor 1 having a drain 1d connected to an input terminal 2 and having a source 1S and a gate 1g provided with application of a prescribed voltage, a parasitic lateral bipolar transistor 5 connected in parallel with the field-effect transistor 1, and a parasitic resistance 4 due to an impurity region where a channel of the said field-effect transistor 1 is formed. Said parasitic lateral bipolar transistor 5 is operated by a potential difference generated across said parasitic resistance 4 upon the application of excessive input voltage opposite in polarity to said prescribed voltage. Hence the operation of the parasitic lateral bipolar transistor 5 enables the effective protection of an internal circuit against the excessive input voltage irrespective of current pulses and voltage pulses.
Patent JP-H08295854-A (JP)
Title: Adhesive film having anisotropic electrocondutivity
Inventor: SUGA YASUHIRO
IPC: H01B1/20
Filed: 1995-04-25
Abstract: PURPOSE: To obtain an anisotropically electroconductive adhesive film having a specific composition connectable in high connection reliability without generating bubbles during the connection process by using a cross-linking agent having a specific property in the conversion of the film to a B-stage. CONSTITUTION: This adhesive film contains at least (A) an epoxy resin, (B) electroconductive particles and (C) a latent curing agent and further contains (D) a corross-linking agent reactive with the component C in preference to the component A and is converted to B-stage by the reaction of the componnent D with the component C. The component C is preferably a micro-encapsulated latent curing agent and the component D is preferably an iscocyanate-based cross-linking agent having >=2 isocyanate groups, especially trimethylxylylene diisocyanate. The melt viscosity of the film in hot-pressing is preferably 1×10<4> to 5.0×10<5> poise.