baber/WOPTO huggingface dataset:
Patent JP-2002290011-A (JP)
Title: Thick film circuit board and its manufacturing method
Inventor: MATSUMOTO SHUJI
IPC: H05K3/12
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To manufacture a thick film circuit board provided with a copper conductor thick film circuit having high shape accuracy, a low resistance, and a sufficiently high adhesive strength to the circuit board. SOLUTION: After conductive paste containing a conductive component composed of copper powder, glass frit, and a cellulose resin as main ingredients and an organic vehicle is applied to the circuit board, the board is baked. At the time of baking the board, (a) the oxygen concentration is adjusted to 200-500 ppm in the temperature region until the temperature reaches 350 deg.C at temperature rising time, and (b) the baking atmosphere is adjusted to substantially contain no oxygen (for example, a nitrogen atmosphere) in the temperature region of >350 deg.C. Consequently, the cellulose resin can be removed surely and the circuit board can be baked sufficiently while the oxidation of the copper powder is prevented.
Patent JP-2002289741-A (JP)
Title: Semiconductor device
Inventor: KIMURA NAOTO
IPC: H01L21/60
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To solve the problem that malfunction wherein the ball grid of a BGA package is peeled from a wiring terminal occurs in that the deformation of the BGA package does not follow the deformation of a printed circuit board by the difference of rigidity when the printed circuit board receives external force to be warped although the ball grid provided on the BGA package is overlapped with the wiring terminal provided on the surface of the printed circuit board to be heated and melted, so that the BGA package can be fixed on the printed circuit board. SOLUTION: A semiconductor chip 14 and a solder ball 12 are adhered to an area different in a flexible tape 11 by using the flexible tape 11, a silicon resin 18 is sandwiched therebetween as a buffering material, the strain of the printed circuit board 1 mitigates influence exerted on the tape area of the semiconductor chip 14, and the malfunction wherein the solder ball is peeled from the wiring terminal is prevented.
Patent JP-2002286145-A (JP)
Title: Valve structure
Inventor: HIROTA NORIYASU
IPC: F16K31/06
Filed: 2001-03-26
Abstract: PROBLEM TO BE SOLVED: To provide a valve structure to prevent a fluid from leaking by putting a valve element in tight attachment to the whole seat face periphery of the valve seat even if an error exists between a valve element case and valve seat, for example generated at the time of installation. SOLUTION: The valve structure is composed of a valve seat 15, valve element 17, and valve element case 19. The valve element 17 is installed in the valve element case 19 in such a way that its abutting surface 17a to the valve seat 15 is exposed from an opening 19c. If the valve element case 19 is moved up and down, the abutting surface 17a of the valve element 17 abuts to and separates from the seat 15 so that valve opening and closing are conducted. The valve element 17 has a projection 17d in the center of the rear surface 17c. The rear surface 17c of the valve element 17 is supported by the valve element case 19 in such a way that the forefront of the projection 17d abuts to the bottom surface 25a of a rear lid 25. A gap to admit deformation of the valve element 17 is reserved between the rear surface 17c except the projection 17d and the bottom surface 25a of the rear lid 25.
Patent JP-2002286933-A (JP)
Title: Stretched film formation, optical compensation film, elliptically polarizing plate and liquid crystal display device using the formation
Inventor: KUZUHARA NORIYASU
IPC: G02F1/1335
Filed: 2001-03-27
Abstract: PROBLEM TO BE SOLVED: To propose a stretched film formation improving viewing angle characteristics of a TN LCD such as a TN-TFT LCD (twisted nematic-thin film transistor liquid crystal display) and practically giving rise to no deterioration of a viewing angle compensation effect and an optical compensation film, an elliptically polarizing plate and a liquid crystal display device using the formation. SOLUTION: In the stretched film formation with birefringence and stretched in a direction vertical to a conveying direction, the stretched film formation is characterized by laminating a first film after stretching and a second film after stretching stretched under the same condition as that for the first film so as to make an angle between the conveying directions of them mutually be 180 deg..
Patent JP-2002282350-A (JP)
Title: Lubricative medical instrument and manufacturing method therefor
Inventor: KUMAI YUJI
IPC: A61L31/00
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a lubricative medical instrument provided with favorable lubricity on the surface after processing at ordinary temperature without using a crosslinking agent, a catalyst, and the like, and a manufacturing method therefor. SOLUTION: The medical care instrument to be inserted into a living body in use is characterized in that its surface is covered with a crosslinking substance of a copolymer having an ethylene oxide unit of 80-90 mol%, and a monomer unit having an oxirane ring and carbon-carbon unsaturated double bond of 1-20 mol%, or that its surface is stuck with the above copolymer followed by crosslinking the copolymer on the surface by irradiation of radiation.
Patent JP-2002284067-A (JP)
Title: Pillion step holder structure for motorcycle
Inventor: YAGISAWA KATSUICHI
IPC: B62J25/00
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To design a body cover and a pillion step holder integrated together and to support the body cover by the pillion step holder for improving mountability of the body cover. SOLUTION: In this motor cycle, the body cover 20 is arranged continuously to the pillion step holder 310 for mounting a pillion step 300. On the inside of the pillion step holder 310, a cover guide member 302 is arranged at a fixed interval in the vehicle width direction, and between the pillion step holder 310 and the cover guide member 302, the end of the body cover 20 is arranged.
Patent JP-2002295314-A (JP)
Title: Structure of introducing part for exhaust gas recirculating device
Inventor: IKEGAWA ATSUTOSHI
IPC: F02M25/07
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a structure of an introducing part for an exhaust gas recirculating device having a strong structure without increasing a transmitted quantity of heat from an inner tube to an outer tube, while preventing transfer of heat relating to intake air except received heat from EGR gas. SOLUTION: This structure of an introducing part for an exhaust gas recirculating device is constituted by providing an outer tube and an inner tube connected to the outer tube in an intake pipe in one end side of the outer tube, a prescribed clearance is formed between the outer tube and the inner tube in a diametric direction thereof, this clearance is opened in one end side in the internal space partitioned by the intake pipe and the exhaust gas recirculating passage, and a passage constituted by the inner tube and the exhaust gas recirculating passage are provided separately in an axial direction thereof.
Patent JP-2002299161-A (JP)
Title: Composite electronic component
Inventor: MIDO YUJI
IPC: H01G4/40
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a composite electronic component of a thin type, which has superior high frequency response. SOLUTION: In an element where a dielectrics coating film 3, a solid-state electrolyte layer 4 and a current collector layer 5 are arranged on a single side of a porous valve metal sheet body 1 and covered with an insulation part 7, conductor 11 connected with a first connection terminal 2 and a second connection terminal 6 is exposed on at least the single side of the insulating part 7, and a connection bump 12 is formed on the conductor 11, so that an integrated circuit is connected with the other electronic component.
Patent JP-2002299936-A (JP)
Title: Chip antenna
Inventor: SHIBATA MASAKI
IPC: H01Q1/36
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a chip antenna adaptive to a plurality of resonance frequency bands. SOLUTION: One chip antenna 1 is formed by laminating a plurality of unit antenna layers 2 and 3 composed of dielectric materials 6 and 7 provided with a conductive member 4 and a feeding part 5 and having a dielectric constant different from each other, and thereby, it is possible to use a plurality of resonance frequency bands corresponding to the respective dielectric constants of the respective unit antenna layers 2 and 3.
Patent JP-2002300727-A (JP)
Title: Voltage fluctuation compensation device
Inventor: SUZUKI AKIHIRO
IPC: G05F1/24
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To reduce the cost and size of a voltage fluctuation compensation device that comprises a detection control part for monitoring a voltage decrease in a power system and suppresses the fluctuation of a voltage supplied to a load and performing feed control based on the monitoring, and to attain high- accurate voltage compensation. SOLUTION: A plurality of voltage compensation circuits P1 to P3, N1 to N3 for converting and outputting a DC voltage stored in a capacitor 11 having different charging voltages (2K times of a minimum voltage (K=0, 1, 2, etc.)), respectively, are connected to a power system in series. When a system voltage decreases, a desired combination is selected from the voltage compensation circuits P1 to P3, N1 to N3 and performs voltage compensation with the total sum of the output voltage and, when the voltage is normal, a device loss is reduced by bypassing by a short-circuit switch 8 of a high-speed machine type. A means for delaying the start of a voltage compensation operation is provide, to prevent the occurrence of a short-circuited current by starting the voltage compensation operation after the completion of a release of the short-circuit switch 8.
Patent JP-2002293754-A (JP)
Title: Method and plant for isolating and recovering alcohol from waste gas containing the same
Inventor: TAWARA HIROSHI
IPC: C07C31/12
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a method for isolating and recovering an alcohol from a waste gas containing the alcohol comprising isolating and recovering the alcohol from 'the waste gas containing the alcohol coexisting with water' by applying an adsorption method to reuse the alcohol as a water-free alcohol, particularly isolating the alcohol in high purity and efficiency, and to provide a plant for performing the above method. SOLUTION: This method comprises using 'an adsorption unit including an adsorbent bed' where adsorption and desorption operations are made alternately, using as the adsorbent bed precoated synthetic zeolite and/or hydrophobic silica gel or similarly precoated active carbon, passing 'an alcohol-containing waste gas where the alcohol and water exist in a mixed condition' through the adsorbent bed to adsorb the alcohol, and isolating and recovering the objective alcohol substantially containing no water.
Patent JP-2001311947-A (JP)
Title: Liquid crystal display device
Inventor: CHIJO HIROHISA
IPC: G02F1/13357
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display device excellent in visibility which can display emergency message or the like and incurs no increase of power consumption. SOLUTION: A red filter 50 and a shutter 48 are disposed between the entrance face 44a of light guide plate 44 and a white back light source 46. The shutter 48 switches the illumination light from the white back light source 46 to transmit through the red filter 50 to enter the entrance face 44a of the light guide plate 44 or to make the light incident on the entrance face 44a of the light guide plate 44 without transmitting through the red filter 50.
Patent JP-2002011243-A (JP)
Title: Storage medium, program, entertainment system and entertainment device
Inventor: MASUDA YASUTAKA
IPC: A63F13/52
Filed: 2001-04-03
Abstract: PROBLEM TO BE SOLVED: To further enhance the entertainment property in a game advancing according to a story recorded in a program by a character confronting a difficulty and overcoming it. SOLUTION: In this system, a movie scene MS automatically executed by CPU and a play scene PS advanced by the operation of a controller by a player are alternately repeated, and the character can be optionally changed in the play scene, so that a riddle is read (a problem solved) having the changed character for a hero. Therefore, since a scene can be enjoyed similarly to a movie in the movie scene MS, and interactivity is further added to the enjoyablity of movie in the play scene PS, an image or game with higher entertainment property can be obtained.
Patent JP-2002304246-A (JP)
Title: Tactile presenting device, and imaginary space system
Inventor: SUZUKI YURIKO
IPC: A63F13/812
Filed: 2001-04-04
Abstract: PROBLEM TO BE SOLVED: To permit the tactile presentation to an operator under the environment of an imaginary space by fitting a lightweight and wearable device to a wrist or the like of the operator. SOLUTION: A tactile presenting means having a holding part, a supporting point part and a variable length connection part under the environment for expressing the imaginary space is fitted to the operator, and the tactility is given to the operator according to an imaginary tactile reception object in the imaginary space and/or the state of the imaginary object.
Patent JP-2002315367-A (JP)
Title: Rotary mechanism
Inventor: OKAMOTO TAKUJI
IPC: B25J19/00
Filed: 2001-04-06
Abstract: PROBLEM TO BE SOLVED: To provide a low-price, light-weight, small-sized rotary mechanism using a vibration-wave motor which can prevent the threading of the transfer line and assures stable operation, without using expensive transfer mechanism. SOLUTION: This rotary mechanism comprises a base for fixing a motor, a rotating shaft to transfer the rotating force of the motor, a member to be rotated which swings depending on rotation of the rotating shaft, and a transfer line for transfer of message and signal to connect between the member to be rotated and the base. Moreover, a rotating angel limiting means is provided to limit the rotating angle of the rotating shaft, and the transfer line is extended via almost the same path as the rotating shaft and has a flat shape with respect to the rotating direction of the rotating shaft.
Patent JP-2001352784-A (JP)
Title: Commutatorless dc motor
Inventor: GOTO MAKOTO
IPC: H02P6/182
Filed: 2001-04-06
Abstract: PROBLEM TO BE SOLVED: To provide a commutatorless DC motor which has dispensed with a position detecting element such as a Hall element. SOLUTION: This is a commutatorless DC motor which detects counter- electromotive force generated in three-phase stator windings (11, 12, and 13), and supplies currents in both directions, based on the results of that detection, and this includes means (1+2+3+6) which generate the pulses of pulse signal train (m) each time it performs the detecting action of the counter-electromotive force generated in the stator winding, and means (2+4+5) which operate a counter (81) in response to the occurrence of the pulses of the pulse signal train, and switch the conditions of current application to the three-phase stator windings, based on the output signal of the counter.
Patent JP-2001352259-A (JP)
Title: Apparatus and method for disconnecting and/or replacing a plurality of power amplifiers provided in transmitter during operation thereof
Inventor: LUU KY THOAI
IPC: H03F3/68
Filed: 2001-04-09
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and a method for disconnecting and/or replacing power amplifiers provided in an operating transmitter without shutting down the operation. SOLUTION: Each of a plurality of amplifier modules has first and second outputs being connected with the primary winding of M transformers, respectively. Secondary windings of the transformers are connected in series with a load. Each amplifier module has a control input for receiving a disable signal. A controller provides a disable signal in response to a switch in a disabled state. A short circuit switch can be connected with the primary winding of an amplifier module to be disconnected and/or replaced. A short driver switch drives the short circuit switch into a short circuit state in response to the disable signal and short-circuits the primary winding associated with the amplifier module to be disconnected from the transformer and/or replaced.
Patent JP-2002311162-A (JP)
Title: Electronic control type mechanical clock
Inventor: MOGI MASATOSHI
IPC: G04C10/00
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To provide an electronic control type mechanical clock for using electric energy obtained by generation for uses other than the drive of a control means. SOLUTION: The electronic control type mechanical clock comprises a pointer 30 for displaying time while being driven by mechanical energy from a weight pull 10, a mechanical escapement 40 in linking with the pointer 30, a pendulum 50 in linking with the mechanical escapement 40, a generator 60 for supplying electric energy via the pendulum 50, a control section 120 that is driven by the electric energy for controlling the vibration period of the pendulum 50, a time comparison circuit 203, and a signal generation means having a control circuit 204 and a signal generator 205.  Mainly the mechanical escapement 40 and the pendulum 50 regulates the speed of the pointer 30, and the control section 120 auxiliary controls the vibration period of the pendulum 50 for regulating speed, so that a surplus is generated in electric energy that is generated by the generator 60 to drive the signal generation means.
Patent JP-2002244134-A (JP)
Title: Liquid crystal device and electronic apparatus
Inventor: MAEDA TSUYOSHI
IPC: G09F9/00
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal device, in which the blurring (out-of-focus state) of display or decrease in the contrast can be improved to improve the display quality and sharp display is possible, and to provide an electronic apparatus equipped with the liquid crystal device. SOLUTION: The liquid crystal device is equipped with a pair of substrates 17, 28, a liquid crystal layer 15, a reflection layer 31 and a directional forward scattering film 18. When the light from a light source K disposed in one side of the film 18 enters the film 18, the parallel transmitted light, excluding diffused transmitted light among the whole transmitted light through the film 18, is observed by a light-receiving part J disposed in the other side of the film 18. The film 18 is disposed on a liquid crystal panel 10, in such a manner that the direction in the polar angle θ showing the minimum transmittance determined by the above observation is in the side where light enters and that the direction in the polar angle, showing the maximum transmittance is in the observation side. Moreover, the directional forward scattering film 18 is disposed, in such a manner that the diffused transmitted light entering the film 18 from the light source K in the direction of a polar angle θand an azimuth ϕ showing the minimum transmittance shows a hue represented by b*<0 in the L*a*b* color chart system.
Patent JP-2002315314-A (JP)
Title: Voltage-converting control method and dc-dc converter device
Inventor: OTOMO MASANOBU
IPC: H02M3/155
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To eliminate the problems generated during voltage conversion at conversion to voltage next to a first reference voltage for outputting, when voltage is supplied from either a first power system where the voltage fluctuates around the first reference voltage or a second power system where voltage fluctuates around a second reference voltage, and when the voltage is supplied from the second power system. SOLUTION: This device has an input means 13, where voltage is supplied from either the first power system with the voltage fluctuating around the first reference voltage or the second power system with voltage fluctuating around the second reference voltage, voltage-converting means 14, 15 for performing conversion to voltage next to the first reference voltage, when voltage is supplied from the second power system for outputting, and a control means 11 for controlling the voltage for starting the voltage conversion with the voltage converting means, so as to exclude the range in which the voltage from the first power system fluctuates.
Patent JP-2002314184-A (JP)
Title: Optical semiconductor module
Inventor: KAWAI MOTOYOSHI
IPC: H01S5/12
Filed: 2001-04-11
Abstract: PROBLEM TO BE SOLVED: To provide an optical semiconductor module which can suppress the distortion and the deformation of an active layer to be minimum when an active layer-side on the opposite side of the substrate of a semiconductor laser element is fixed to the other substrate by solder. SOLUTION: The semiconductor laser element 102 is fixed on an electrode pattern 106 by solder layers 107 by turning a side where the active layer 103 exists to a silicon substrate 104-side. An SiO2 film 105 is formed on a silicon substrate 104. Both sides of the active layer 103 are cut. The solder layers 107 and 107 are filled in a state where a part just below the active layer 103 including mesa parts 108 is avoided, and a gap 109 is formed. Thus, influence by the distortion of the active layer 103 and remaining stress can remarkably be reduced. Consequently, a distribution feedback-type optical semiconductor module 101 can execute an operation by the single mode of a stable oscillation wavelength.
Patent JP-2002311682-A (JP)
Title: Semiconductive roller for electrophotographic device
Inventor: ASAOKA KEIZO
IPC: C08L71/02
Filed: 2001-04-11
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductive roller suitable to be used for an electrophotographic member in which changes in the resistance due to the environmental changes are significantly suppressed. SOLUTION: The semiconductive roller consists of a metal supporting member, a semiconductive elastic layer formed on the peripheral surface of the supporting member, and a surface layer consisting of one or more layers formed on the peripheral surface of the elastic layer. The semiconductive elastic layer contains inorganic metal salts and polyoxyethylene compounds.
Patent JP-2001353232-A (JP)
Title: Rehabilitation implement
Inventor: NAKASAKI FUMITOMO
IPC: A63B24/00
Filed: 2001-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a rehabilitation implement and its use program capable of recovering performance function by imparting subjects such as physically challenging persons, dementia patients, and aged with voluntarily and enough interested feeling in training for recovering physical function, motivation and the power of concentration, and efficiently relearning the action and the posture control of the whole body required for daily life. SOLUTION: This rehabilitation implement is formed of a structure constructed by connecting plural rods to form a frame, and plural musical instruments having a flexible arm having a securing part at one end, and the musical instruments are mounted in arbitrary positions and directions of the structure. The physical function recovery training program is such that the subjects play musical instruments of the implement arbitrarily or according to the instruction.