baber/WOPTO huggingface dataset:
Patent JP-2002221010-A (JP)
Title: Load adjustment device for valve spring, control method and controller therefor
Inventor: KOBAYASHI HARUKI
IPC: F01L3/10
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To optimally adjust a set load of a valve spring according to an engine speed. SOLUTION: This load adjustment device for the valve spring 9 is provided between a cylinder head 3 and the lower end of the valve spring 9 always energizing an engine valve 5 upward such that the load adjustment device surrounds a shaft part 5a of the engine valve 5. The load adjustment device has a first oil chamber 24a and a second oil chamber 24b hermetically separated from each other inside it. A male screw 1 is threaded on the peripheral face of a rotor 16 normally and reversely turned around the shaft 5a of the engine valve 5 by selectively supplying pressure oil to the oil chambers 24a, 24b from an oil pressure source. By screwing a female screw 17 in the inner circumferential face of a lifting body 18 receiving and supporting the lower end of the valve spring 9 onto the male screw 15, the lifting body 18 is vertically moved by the normal and reverse turn of the rotor 16.
Patent JP-2001233256-A (JP)
Title: Electronic system for monitoring fifth wheel hitch
Inventor: SCHUTT RANDY L
IPC: B62D53/00
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To provide an electronic system determining whether or not a trailer is appropriately connected to a trailer hitch device. SOLUTION: This electronic system monitors a trailer hitch device 20 provided with a hitch plate 26, in which a throat part 60 receiving a king pin of the trailer is formed, and a locking mechanism 28 locking the king pin inside the throat part 60 so as to determine whether the hitch device is appropriately connected to the trailer or not. The electronic system is constructed of a trailer sensor detecting the position of the trailer to the trailer hitch device, a lock sensor 36 detecting the position of the locking mechanism 28, a sequence connected to the trailer sensor and the lock sensor for detecting the respective positions of the trailer and the locking mechanism by means of the trailer sensor and the lock sensor, and a control circuit taking the lapse of time between detection their positions into consideration so as to determine whether appropriate connection is made or not.
Patent JP-2002219332-A (JP)
Title: Method and device for removing harmful gas
Inventor: WATANABE NAOKI
IPC: B01D53/34
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To solve a problem that a device becomes a large size and is disadvantageous in a cost, the device has a problem for a safety and an environment since chemicals influencing to a human body is used and a combustion device is used and a removal efficiency of the device is not satisfied. SOLUTION: Free hydrogen sulfide in a sewage treating tank 11 is detected by a gas concentration sensor 12 and an electric signal is electrically fed to a control device 13. In the case where a concentration of the hydrogen sulfide becomes a defined concentration or more, the control device 13 feeds an enzymatic raw liquid in an enzymatic preparation raw liquid tank 14 to a mixing tank 15. The enzymatic raw liquid is mixed with water to adjust a predetermined enzymatic concentration, a high pressure pump 16 is operated to spray an aqueous enzymatic solution 18 from a spray nozzle 17 provided at two positions of the sewage treating tank 11. The sprayed aqueous enzymatic solution is contacted with the hydrogen sulfide to decompose/remove it.
Patent JP-2002230718-A (JP)
Title: Magnetic head and its manufacturing method
Inventor: INAGUMA TERUYUKI
IPC: G01R33/09
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To realize stable characteristics adaptive to high sensitivity and high density, even in the case of performing signal reproduction from a magnetic tape having the signal recording width narrower than a head element by using a magneto-resistance effect head element. SOLUTION: Permanent magnet films 14 are arranged at both sides of the magneto-resistance effect head element 11 which is provided in the magnetic head, and also the magnetizing direction of the permanent magnet films 4 is settled to be almost parallel with the magnetizing direction of the head element 11 at the time when a bias magnetic field is impressed on the head element 11.
Patent JP-2002221925-A (JP)
Title: Advertising space selecting apparatus
Inventor: KAYASHIMA KAZUHIRO
IPC: G06Q50/00
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide an advertising space selecting apparatus with which information on the purchase and sale of the advertising space can be widely collected and which is provided with ease of deciding the purchase. SOLUTION: The advertising space selecting apparatus is provided with a receiving part which receives advertising space information having the space identifier which discriminates the region for displaying advertising information, a space selecting instruction accepting part which accepts the instruction to select advertising space information received by the receiving part, a selection source storing part which stores the selection source identifier to discriminate the selection source, a selection source identifier acquiring part which takes out the selection source identifier from the selection source storing part,  and a purchasing information outputting part which outputs advertising space purchasing information having the space identifier possessed by the advertising space selected by the space selection instruction accepting part and the selection source identifier taken out from the selection source identifier acquiring part.
Patent JP-2002225154-A (JP)
Title: Method for manufacturing pneumatic tire and pneumatic tire manufactured thereby
Inventor: SUZUKI KAZUYA
IPC: B29D30/52
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To inhibit the deterioration of a presentable appearance and a traveling performance due to one-sided wear while the electrical resistance of a tire is kept low. SOLUTION: In a tread ring forming process, a carbon solution 21 prepared at the dissolving or dispersing ratio of 3 to 30 wt.% of carbon to a solvent is applied to at least one of the joint faces ES of the starting end E1 and the terminating end E2 of a tread rubber 2G, and both ends E1 and E2 are attached to each other. Thus, a carbon layer 20 is formed between the joint faces ES.
Patent JP-2002232408-A (JP)
Title: Clock synchronizing circuit
Inventor: SAKAKI SEIJI
IPC: G06F1/12
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To highly precisely realize clock synchronization with the circuit of simple constitution. SOLUTION: A reference clock and a high speed clock with higher frequency are given from outside. A transfer clock generation circuit 20 counts the high speed clock of a count value which is set in a counter 22 and generates a transfer clock. The count values are sampled during the counting of the counter 22 and they are latched by a reference latch 24 and a measured value latch 26. Respective sampling values are compared in a comparison circuit 28 and the count value which is set in the counter 22 is adaptively updated so that the difference becomes zero.
Patent JP-2002226523-A (JP)
Title: Copolymer latex and composition for coating paper
Inventor: HIROSE YOICHI
IPC: C08F220/42
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To obtain both a copolymer latex for coating a paper having excellent balance among adhesive strength and blister resistance of a coated paper and sticking resistance which is an index to coating operating efficiency and further excellent suppression of the formation of a white pitch in a pulp recovering and disintegrating step and a composition for coating the paper. SOLUTION: This copolymer latex is composed of (a) 20-80 wt.% of an aliphatic conjugated diene monomer unit, (b) 0.5-10 wt.% of an ethylenically unsaturated carboxylic acid monomer unit, (c) 3-50 wt.% of a vinyl cyanide monomer unit and (d) 0-76.5 wt.% of other monomer units copolymerizable with the monomer unit (a), the monomer unit (b) and the monomer unit (c) and the copolymer has at least two glass transition points within the range of -100 to 70 deg.C and >=5 deg.C difference between the highest glass transition temperature and the lowest glass transition temperature. Potassium hydroxide as a neutralizing agent in an amount of 0.1-5 pts.wt. is added to the copolymer latex.
Patent JP-2002232216-A (JP)
Title: Converter for satellite broadcasting reception
Inventor: KOIKE KIYOSHI
IPC: H01P1/16
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a converter for satellite broadcast reception having a satisfactory cross polarization characteristic by securing isolation between a right-handed circular polarized wave and a left-handed circular polarized wave. SOLUTION: A waterproof cap 7 is attached to the horn part 1a of a waveguide 1, a second probe 6 is arranged at a position away from the termination face 1b of the waveguide 1 by about 1/2 wavelength, and the second probe 6 is grounded through, e.g. a 50 Ω resistor so as to make the probe 6 subjected to antireflection termination with impedance being almost the same as that of a transmission line. A circuit board 3 is also arranged at the middle position between the probe 6 and the termination face 1b of the waveguide, a first probe 5 for main polarization detection is subjected to pattern formation on the circuit board 3, and a reflecting surface 4 of the probe 6 is also subjected to pattern formation.
Patent JP-2002244127-A (JP)
Title: Liquid crystal display, side light type backlight unit, lamp reflector and reflection member
Inventor: KATSU YOSHIHIRO
IPC: G02F1/1335
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display device in which production of bright lines can be decreased or prevented. SOLUTION: A light reflecting layer 82 made of Ag or the like and a transparent protective layer 83 for protecting the light reflecting layer 82 are formed on a reflector body 81. The transparent protective layer 83 is formed to <5 μm in thickness.
Patent JP-2002231366-A (JP)
Title: Connector
Inventor: TSUCHIYA TAKASHI
IPC: H01R13/42
Filed: 2001-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a connector capable of miniaturization. SOLUTION: This connector 10 is equipped with a housing 11 for accommodating a terminal metal fitting 15 and a retainer 12, installed on a bottom surface of the housing 11. The housing 11 and the retainer 12 are formed integrally by connecting with a hinge 20. The hinge 20 is provided with a retainer side connection arm 21, of which end is connected to the retainer 12 and a housing side connection arm 22, of which end is contacted to the housing 11. Other ends of both of the connection arms 21 and 22 are connected to a rotatable joint 23. By bending deformation of the hinge 20, both of the connection arms 21 and 22 are expansible vertically around the rotatable joint 23, and the hinge 20 is folded to be into a shape of a plane at assembly of the retainer 12.  Thus, a space for accommodating the hinge 20 can be extremely reduced, and the miniaturization of the connector 10 as a whole is made possible.
Patent JP-2002231935-A (JP)
Title: Method of solid-state image pickup device
Inventor: YOSHIDA HIROYUKI
IPC: H04N5/369
Filed: 2001-02-06
Abstract: PROBLEM TO BE SOLVED: To improve the electric charge-to-voltage transducer efficiency of an electric charge detecting section without causing a harmful influence on the other characteristics by reducing the impurity region of the electric charge detecting section. SOLUTION: On a silicon substrate 110 formed with a channel section 112, an insulation film 120 is formed. By pattering a photo resist and etching, a contact hole 116 is formed. The contact hole 116 is formed by a process independently of those for the other contact holes. Thereafter, impurities for forming an N+ region are doped in continuous processes to form an N+ region 14 self-aligned in the insulation film 120. The impurities are doped in several operations from a plurality of directions with the angle kept constant with respect to a substrate 110. Then, a pickup electrode 118 is formed, and a contact section 118A is formed in the contact hole 116.
Patent JP-2002236057-A (JP)
Title: Thermocouple temperature sensor
Inventor: MAKINO RYUJI
IPC: G01K7/02
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a new attachment mechanism of thermocouple temperature sensor having an easy attachment structure of a spring member working as a press fore, capable of avoiding load at a compensation lead part and suppressing cost rise, even of a sheath-type thermocouple is used. SOLUTION: The thermocouple temperature sensor 1 has a sheath-type thermocouple 5 and a heat resistive coil spring 8 wound on it. The spring is wound on an attaching metal 9, and its end is fixed with a stopper 10 in front of the attachment metal 9. The distance from the attachment metal 9 and the stopper 10 is set properly to integrate a thermocouple holder 3, so that traction force acts on the heat resistive coil spring 8 and a pressing force against the depth of hole works on the sheath-type thermocouple 5.
Patent JP-2002236272-A (JP)
Title: Optical modulator
Inventor: SHAKE IPPEI
IPC: G02F1/025
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide an optical modulator which realizes a stable intensity modulation operation based on a stable differential type phase modulation operation in the configuration of a symmetric Mach-Zehnder interference type. SOLUTION: A symmetric Mach-Zehnder type interference part consisting of an optical demultiplexer which branches light to be inputted and to be modulated into two paths, two semiconductor light amplifiers inserted into the two paths, and an optical multiplexer which multiplexes the output of each semiconductor light amplifier, is constituted on the substrate. The substrate is further provided with an optical demultiplexer for modulated light which branches modulated light to be inputted in two, and two optical waveguides which give a prescribed phase difference (delay) between two modulated light beams. An optical multiplexer for modulated light which multiplexes the modulated light beams of two optical waveguides, respectively is inserted into each path of the symmetric Mach-Zehnder type interference part.  Two modulated light beams having the prescribed phase difference is inputted into two semiconductor light amplifiers, respectively. Light to be modulated which received a phase modulation from two semiconductor light amplifiers on the basis of the modulated light beams is outputted. Intensity-modulated signal light corresponding to the modulated light beams is outputted from the optical multiplexer.
Patent JP-2002237288-A (JP)
Title: Method of manufacturing electrode plate group body for lead-acid battery, and lead-acid battery
Inventor: MIYAGI RIKIO
IPC: H01M50/541
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing an electrode plate group body for a lead-acid battery constituted using the electrode plate group body that can form a strap of large thickness with high accuracy while positively preventing the residual state of an oxide film layer. SOLUTION: A welding jig 14 formed with a recessed part 28 corresponding to the outline shape of the straps 9, 10 is mounted to each of a positive electrode train and a negative electrode train of electrode plate leads 7, 8. Pole electrodes 11, 12 are placed in the recessed part 28, and fused lead 27 is filled in the recessed part 28 close up to the tips of the electrode plate leads 7, 8. A solidified lead layer 30 of the fused lead 27, and the base parts of the electrode plate leads 7, 8 and pole electrodes 11, 12 are dissolved by the heating of a heating means 32 to joint them to each other. Further, the solidified lead layer 3 of the fused lead 27 filled in the recessed part 28, and the upper layer part of the solidified lead layer 30 in a previous process are dissolved again by the heating of the heating means 32 to joint them to each other.  This process is performed at least once to form the straps 9, 10 by jointing the respective solidified lead layers 30, 37.
Patent JP-2002236811-A (JP)
Title: Distribution promoting business system for food close to expiration of best-before date
Inventor: ASANO NORIO
IPC: G06Q30/06
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a distribution promoting business system for food close to the expiration of the best-before date having each terminal connected to a virtual shop via a communication network. SOLUTION: A person X (terminal X) desiring to sell the food close to the expiration of the best-before date registers the selling of the food close to the expiration of the best-before date with the virtual shop and a person Y (terminal Y) desiring to purchase the food close to the best-before date registers the purchasing of the food close to the best-before date with the virtual shop. The virtual shop notifies the Y of the providing of the food close to the expiration of the best-before date from the X, the Y notifies the virtual shop of the receiving of the providing of the food, the virtual shop notifies the X to send the food to the Y and the settlement of accounts of the transaction is performed between the X and Y via the virtual shop. Each of the means is executed on the communication network.
Patent JP-2002234683-A (JP)
Title: Upper and lower sliding door unlocking tool for elevator
Inventor: HASHIMOTO SHOICHI
IPC: B66B13/16
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide an upper and lower sliding door unlocking tool for an elevator, improving maintenance working efficiency by permitting the unlocking of a lock device with simple operation during manually unlocking closed upper and lower sliding doors. SOLUTION: When the closed upper and lower sliding doors are manually unlocked during maintenance, an worker pulls an anchor 19 out of the unlocking tool 12 to give tension to a flexible operating strip 18 whereby a working rod 17 is turned to be line with an insertion rod 14. The unlocking tool 12 is inserted into a key hole at an access, the flexible operating strip 18 is loosened by releasing the anchor 19 and the working rod 17 is bent by an energizer 16 to unlock the lock device. In this way, the upper and lower sliding doors can be unlocked by worker's operation of pushing the unlocking tool 12 simply against the edge of the access with his single hand. Therefore, the need for operating the unlocking tool 12 to open the upper and lower sliding doors in the state of holding the lock device at an unlock position is eliminated and easy opening of upper and lower sliding doors is achieved with simple operation.
Patent JP-2002243987-A (JP)
Title: Optical coupling device
Inventor: KIJIMA KOICHIRO
IPC: G02B6/26
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide an optical coupling device in which the cost can be suppressed and the use efficiency of light can be improved. SOLUTION: The optical coupling device has a light emitting member which emits light from a plurality of arrayed light emitting parts, a plurality of light incidence parts, a light incidence member arrayed so as to correspond to the light emitting parts, and an optical lens array 1 in which a plurality of optical lens parts are arrayed is formed on a lens substrate 10 consisting of an optical material so as to correspond to the light emitting parts. The optical lens array 1 combines light emitted from each light emitting part of the light emitting member with each light incidence part of the corresponding light incidence member. For example, the light emitting member is made into a light emitting element array 2, and the light incidence member is made into optical fibers 4a to 4d.  Or the light emitting member is made into the optical fibers, and the light incidence member is made into a light receiving element array. Or, a part of light emitting member and light incidence member is made into the optical fibers, and a surplus material is made into the light emitting and receiving element array.
Patent JP-2002237060-A (JP)
Title: Device and method for generating servo signal
Inventor: NIHEI YASUHIRO
IPC: G11B7/09
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To cancel an offset even if it is generated in proportion to a gain for AGC in generating a servo signal. SOLUTION: The offset can be cancelled even if an offset value dependent on the AGC gain is generated as a servo signal such as a focus error signal and a track error signal, by providing the servo signal generating device with offset adjustment value generating means 9, 11 for generating offset adjustment values based on the AGC gain, and summing means 10, 12 for summing the servo signal generated by using the AGC and the offset adjustment values generated by the offset adjustment value generating means 9, 11.
Patent JP-2002241471-A (JP)
Title: Epoxy resin composition and semiconductor device
Inventor: UMIGA FUMIHIRO
IPC: H01L23/29
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To provide an epoxy resin composition for semiconductor sealing excellent in low moisture absorption and solder cracking resistance, containing essentially no bromine compound and antimony compound and, therefore, good for environment. SOLUTION: This epoxy resin composition for semiconductor sealing contains as essential components, an epoxy resin which is formed by glycidyl etherification of a mixture of a bisphenol A (a) represented by formula (1) and a compound (b) represented by formula (2), a modified novolak type phenol resin formed by condensing a phenol and a cresol via an aldehydes, an inorganic matter, and a curing accelerator, and the weight ratio of a to b is 0.1-10, an equivalent ratio of the phenolic hydroxyl group of the total phenol resin to the epoxy group of the total epoxy resin is 0.5-2.0, and the content of the curing accelerator is 0.4-20 pts.wt. to the total 100 pts.wt. of the total epoxy resin and the total phenol resin.
Patent JP-2002241454-A (JP)
Title: Production method for novolak
Inventor: WADA MASARU
IPC: C08G8/10
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently producing a novolak which is excellent in strengths and in which fluidity is compatible with rapidly curing properties. SOLUTION: In this production method, a phenol is reacted with formaldehyde or its compound in the presence of a catalyst comprising a divalent-metal oxide and an acid having a dissociation constant pKa of 1.5-5.0.
Patent JP-2002241404-A (JP)
Title: Process for preparation of depolymerized chitosan in heterogeneous system
Inventor: ODANAKA SUSUMU
IPC: C08B37/08
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a process for efficient preparation of a depolymerized chitosan which has a higher quality and safety than conventional one. SOLUTION: The process for the preparation of depolymerized chitosan comprises the hydrolysis of chitosan granules in the presence of hydrochloric acid. The hydrolysis is carried out without dissolving the chitosan, while stirring the heterogeneous system. After the hydrolysis, the separation and purification are carried out in an organic solvent to give a hydrochloride of a depolymerized chitosan. After the hydrolysis the separation and purification are carried out by adjusting the pH to 7-12 in an organic solvent to give free depolymerized chitosan.