baber/WOPTO huggingface dataset:
Patent JP-2002271431-A (JP)
Title: Low-pass filter
Inventor: NAITO MASASHI
IPC: H04L27/22
Filed: 2001-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a low-pass filter for removing DC offset without employing a multiplier having a complicated structure by providing a DC offset removing circuit employing an adder having a simple structure in a feedback loop in a CIC(Cascade Integrator-Comb) filter. SOLUTION: The low-pass filter is provided with a first processing means, a down sampler and a second processing means. The first processing means is provided with at least one combination consisting of an adder 10, a one sample delay element 15 and a DC offset removing circuit 20. A 1/R down sampler 12 uses a result of down-sampling of an output from the first processing means as an input into the second processing means. The second processing means is provided with at least one combination consisting of an adder 13 and an M sample delay element 17.
Patent JP-2002273615-A (JP)
Title: Surface coat carbonitride titanium thermet made end mill with cutting edge part to display excellent chipping resistance in high speed cutting work
Inventor: FUJISAWA TAKASHI
IPC: C23C14/06
Filed: 2001-03-15
Abstract: PROBLEM TO BE SOLVED: To provided a surface coat carbonitride titanium thermet made end mill with a cutting edge part to display excellent chipping resistance in high speed cutting work. SOLUTION: A tungsten carbide layer having average thickness of 0.1-3 μm is evaporated and interposed as a high speed rotating vibration run-out preventive layer between a carbonitride titanium thermet base body surface and a hard coat layer on the surface coat carbonitride titanium thermet made end mill constituted by physically evaporating the hard coat layer made of composite nitride of Ti and Al having a composition formula: (Ti1- XAlX)N (wherein X shows 0.45-0.75 in an atomic ratio) on a surface of the carbonitride titanium thermet base body in average layer thickness of 0.5-5 μm.
Patent JP-2002281586-A (JP)
Title: Acoustic reproduction device
Inventor: KINOSHITA YOSHIHITO
IPC: H04R3/00
Filed: 2001-03-16
Abstract: PROBLEM TO BE SOLVED: To provide an acoustic reproduction device to which a speaker can be connected without confirming the polarity of a speaker terminal and the polarity of a code connected to the speaker. SOLUTION: The acoustic reproduction device for connecting the speaker terminal 9 provided on the main body of the acoustic reproduction device with the speaker through the code is provided with a microphone for converting sound emitted from the speaker to an electric signal, a phase detection circuit for detecting the phase of the output signal of the microphone, a phase switching circuit 8 for switching the phase of a signal to be outputted to the speaker terminal and a control part 6 to which a signal from the phase detection circuit is inputted for controlling the phase switching circuit. When the speaker is connected to a reversed pole, the circuit 8 switches the phase of the signal to be outputted to the speaker terminal.
Patent JP-2002273820-A (JP)
Title: Laminated plate and its manufacturing method
Inventor: KOSEKI TAKAYOSHI
IPC: H05K1/03
Filed: 2001-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a laminated plate having a good adhesive strength of an insulating layer to a metal foil even when the insulating layer is enhanced in its permittivity in the laminated plate in which the metal foil and the metal foil are integrated via the insulating layer having a thin thickness and a method for manufacturing the same. SOLUTION: The laminated plate comprises the metal foil and the metal foil integrated via the insulating layer obtained by curing a resin layer formed by coating a resin liquid containing an inorganic powder filler and a thermosetting resin on the metal foil and drying the liquid. In this plate, the insulating layer is formed by integrating the resin layers formed by coating on the surfaces of both the metal foils and drying. The method for manufacturing the laminated plate comprises the steps of preparing two metal foils each having the resin layer formed by coating the resin liquid containing the inorganic powder filler and the thermosetting resin on the metal foil and drying the liquid, on one surface, contacting the resin layers with each other, and laminating the two metal foils to manufacture the laminated plate.
Patent JP-2002281053-A (JP)
Title: Communication network system
Inventor: CHIKEDERA TAKAMITSU
IPC: H04L69/40
Filed: 2001-03-16
Abstract: PROBLEM TO BE SOLVED: To easily grasp the existing PVC(permanent virtual circuit) setting situation of a whole ring, and to easily and accurately set a ring PVC. SOLUTION: In an NMS(network management system) 220, an individual PVC information collecting application 205b collects individual PVC information from each node device in a ring network under control, and integrally works the individual PVC information, and generates and manages ring PVC information. A ring PVC display application 205c displays the list of the ring PVC information. Then, a ring PVC setting application 205d sets a ring PVC while viewing the list display. When the ring PVC is set, a ring PVC check application 205e checks the state of a communication path being the target of the ring PVC setting based on the ring PVC information which is already under control, and issues waning corresponding to the path state.
Patent JP-2002276769-A (JP)
Title: Differential gear
Inventor: OKAZAKI MASAHARU
IPC: F16H48/38
Filed: 2001-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a differential device capable of obtaining a sufficient differential limiting action even during high load by increasing a friction pressure-contact area of a clutch plate, and of properly switching between a differential stage and a differential limiting stage. SOLUTION: This differential gear comprises one pair of right and left pressure rings 12L, 12R placed in a differential case 11 to be movable in an axel direction and to be incapable of relatively rotational; and one set of right and left clutch means 16L and 16R placed at both sides of an axel direction of the pressure rings 12L and 12R and capable of limiting differential action of right and left axels by limiting relative rotation between the differential cases 11 and side gears 15L, 15R, clutch plates 31L, 32L being different from clutch plates 31R, 32R in the number of sets and/or outer diameter.
Patent JP-2002272974-A (JP)
Title: Game machine, computer program, and recording medium
Inventor: ICHIKAWA MAIKO
IPC: A63F7/02
Filed: 2001-03-19
Abstract: PROBLEM TO BE SOLVED: To realize a game machine in which a player does not lose interest soon by increasing the variable display patterns of special patterns. SOLUTION: A background image B1 is displayed on a screen of a special pattern display device 32. With the background image B1 as a background, a plurality of special patterns Z1, Z2, Z7, etc., formed after constellation marks appear from an unfixed position and fly about in a group forming a line. The variable display patterns of special patterns can thereby be increased in comparison with a conventional game machine having only a variable display pattern in which a special pattern row are only vertically scrolled in a vertically trisected region on the screen.
Patent JP-2002277522-A (JP)
Title: Magnetic field sensor
Inventor: SASADA ICHIRO
IPC: G01C17/30
Filed: 2001-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a highly sensitive and highly accurate magnetic field sensor constructible out of a simple electronic circuit wherein an induced voltage becomes zero when a magnetic field imposed thereon is zero and the response thereof to the magnetic field is linear. SOLUTION: This sensor has a magnetic wire 1 and a detection coil 2 wound around the wire 1. A voltage induced in the detection coil 2 by passing an AC exciting current through the magnetic wire 1 is used as a detection output. A DC bias voltage is superimposed on the exciting current and the output is taken out from an excitation frequency component included in the induced voltage. A tubular magnetic body can be used in place of the magnetic wire 1, the magnetic wire can be an amorphous magnetic wire of non- magnetostrictive composition, or the magnetic wire can have slightly negative magnetostriction.
Patent JP-2002225299-A (JP)
Title: Ink jet type recording apparatus
Inventor: HAYAKAWA HITOSHI
IPC: B41J2/185
Filed: 2001-03-21
Abstract: PROBLEM TO BE SOLVED: To provide an ink jet type recording apparatus capable of improving reliability of a capping means and a cleaner operation and durability of pump, and of preventing an occurrence of print disturbance. SOLUTION: The driving mechanism 71 of the cleaner 20 contains a driving shaft 43 having a solar gear 72, a gear holding lever 74 rotatably pivotted to this driving shaft 43 between two rotation and stop positions and rotatably holding a planetary gear 78 engaged with the solar gear 72, and a cleaner driving lever 73 having an inner gear 77 which is arranged side by side with this gear holding lever 73, is rotataly pivotted to the driving shaft 43, and is capable of being engaged with the planetary gear 78. The cleaner driving lever 73 rotates by engagement of the inner gear 77 and the planetary gear 78 by rotation of the solar gear 72 in the rotation and stop states of the gear holding lever 74, and is formed by a pivot lever giving a driving force to the cleaner 20.
Patent JP-2002280402-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: ARAI HIROSHI
IPC: H01L23/31
Filed: 2001-03-22
Abstract: PROBLEM TO BE SOLVED: To suppress the occurrence of voids. SOLUTION: A semiconductor device has a semiconductor chip having a square main surface, a wiring board having the chip on its main surface, and a resin sealant which seals the chip and has a square main surface faced to the main surface of the chip. The semiconductor device also has a gate cutting trace section formed on the side face of the resin sealant along the first edge of the main surface of the sealant. The first edge of the main surface of the sealant is extended along the first edge of the main surface of the semiconductor chip, and the second edge of the main surface of the sealant crossing the first edge of the main surface of the sealant is extended along the second edge of the main surface of the chip crossing the first edge of the main surface of the chip.  On the cross section of the chip perpendicular to the second edge of its main surface, the cross-sectional area of the region between the main surfaces of the wiring board and resin sealant on the outside of the side face of the semiconductor chip is smaller than that of the region between the main surfaces of the chip and sealant.
Patent JP-2002276907-A (JP)
Title: Gas cooking stove
Inventor: NISHIMURA KOICHI
IPC: F23D14/84
Filed: 2001-03-22
Abstract: PROBLEM TO BE SOLVED: To raise heating efficiency by heating the central part as well as enabling a gas cooking stove to also heat the side part as much as possible, in a gas cooking stove having a burner 1 provided with a burner port 3 positioned below a substance 12 to be heated. SOLUTION: A flame induction surface 11 is provided to guide a main flow of discharge fluid from the burner port 3 to the approach side. Further, the flame induction surface 11 may be constituted of a part of the gas cooking stove and the flame induction surface 11 may be constituted in a manner to be capable of being brought near to or separated away from the burner port 3.
Patent JP-2002290836-A (JP)
Title: Solid state image sensing device and its driving method
Inventor: HAMADA MINORU
IPC: H04N5/3728
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To reduce power consumption regarding charge amount amplification. SOLUTION: An image pickup part 11i accumulates information electric charges corresponding to photodetected light in respective photodetecting pixels and transfers the accumulated information electric charges to a storage part 11s at a high speed in response to a frame transfer clock ϕf. The storage part 11s transfers the information electric charges transferred from the image pickup part 11i, line by line, to an amplification part 11a in response to a vertical transfer clock ϕv. The amplification part 11a while transferring the information electric charges transferred from the storage part 11i to a vertical direction in response to an amplification transfer clock ϕa synchronized with the vertical transfer clock ϕv, uses an impact ionization phenomenon to amplify the amount of the information electric charges sequentially with a predetermined amplification factor.
Patent JP-2002289597-A (JP)
Title: Heat treatment device and its method
Inventor: SHO JUSEN
IPC: H01L21/31
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To suppress the treatment irregularity in the reforming treatment of a thin film which is performed to a substrate after film treatment. SOLUTION: The substrate is placed within a treatment container, and also at the sidewall of the treatment container, an opening is made on the level where it fronts on the surface of the substrate. This opening and an active speed generation means provided in the vicinity of the treatment container are connected with each other by gas supply path. The inwall of the treatment container is provided with a pair of gas injection means such that they catch the above opening. When activating gas is sent from the active seed generation means to the substrate after film formation, the gas injection means injects carrier gas while regulating the discharge flow rates of both, and it puts the direction of the activating gas into right and left.  As a result, the oxygen radicals within the activating gas are supplied equally to the entire surface of the wafer, thus performing reforming treatment high in under-surface equality.
Patent JP-2001337332-A (JP)
Title: Liquid crystal electrooptical device
Inventor: YAMAZAKI SHUNPEI
IPC: G02F1/1333
Filed: 2001-03-26
Abstract: PROBLEM TO BE SOLVED: To realize simplification of a process forming projections and a process scattering spacers which have been essential until now in the conventional manufacturing process of a multi-domain vertically aligned liquid crystal display device. SOLUTION: A space (cell gap) between substrates is held by wall-like spacers 15 formed in the liquid crystal display device. The wall-like spacers 15 have inclined side faces, and can control the switching direction of liquid crystal molecules. Thus, the liquid crystal display device of multi-domain vertically aligned wide viewing angle display with the uniform space (cell gap) between substrates is obtained by the wall-like spacers 15. Furthermore, when the manufacturing process of this liquid crystal display device is used, the omission of a rubbing process is realized, and also the omission of the spacer scattering process is realized.
Patent JP-2001342150-A (JP)
Title: Medicinal composition for suppressing unintentional behavior and use of running neuron-suppressing material for producing the same medicinal composition
Inventor: TAKAHASHI MICHIO
IPC: A61P25/28
Filed: 2001-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a medicinal composition capable of suppressing an unintentional behavior and not suppressing an intentional behavior, especially capable of treating wandering around, hyperkinesis, etc., and also a method for using a material capable of suppressing running neuron. SOLUTION: This medicinal treating composition for treating symptoms accompanying unintentional behaviors such as wandering around, hyperkinesis, etc., containing a material capable of performing a presynapse suppression or a postsynapse suppression of the running neuron, and the use of such material for producing the medicinal treating composition for the symptoms accompanying the unintentional behaviors such as wandering around, hyperkinesis, etc., are provided. Especially the medicinal treating composition for treating the above symptoms and the use of such composition for treating the above symptoms including a substance selected from a group consisting of GABAB receptor agonists, GABAA receptor agonists and GABAA receptor-reinforcing substances, or a combination of them, are provided.
Patent JP-2002293848-A (JP)
Title: Water-absorbing material
Inventor: TANAKA HISAKAZU
IPC: A01G7/00
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a water-absorbing material having excellent water- absorbing properties (water-absorbing magnification, water-absorbing rate, etc.), even in salt-containing solutions with high concentration such as sea water, a calcium chloride deliquescent aqueous solution, blood, body fluid (urine, sweet) or the like without deteriorating water-absorbing magnification and water- absorbing rate in purified water, in low ionic water or the like. SOLUTION: The water-absorbing material is characterized by obtaining it by reacting a polyacidic amino acid anhydride having at least one ethylenically unsaturated bond in the molecule (A) with a ethylenically unsaturated compound containing a sulfonic acid group and/or a ethylenically unsaturated compound containing a sulfonate group (B).
Patent JP-2002283043-A (JP)
Title: Method for producing turbine blade having unidirectional solidified columnar crystal structure and turbine blade produced by the method
Inventor: TANIGUCHI KENICHI
IPC: B22D27/08
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a turbine blade in which a structure in a cross section perpendicular to the direction of an unidirectionally solidified columnar crystal growth has the fine unidirectionally solidified columnar crystal structure. SOLUTION: In the method for producing the turbine blade, a horizontal rotational vibration is given to a mold while solidifying molten metal charged into the mold from the lower part toward the upper part and thus, the turbine blade is produced in which the structure in the cross section perpendicular to the direction of the unidirectionally solidified columnar crystal growth has the unidirectionally solidified columnar crystal structure. The horizontal rotational vibration of the mold is a continuously repeated vibration or an intermittent normally rotational vibration having >=5π rad/sec<2> the maximum angular acceleration and the rotating angle is 45 deg. or larger.
Patent JP-2002143555-A (JP)
Title: Formation control method, program, recording medium and game device
Inventor: TAKEDA TOMOKAZU
IPC: A63F13/45
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a control method that can handle many characters in a combat of group characters and can express omnipresence of an attacking capability or the like of the group. SOLUTION: A formation formed by many characters displayed on a three- dimensional virtual space is selected from among a group of formations previously determined (S104). As the formation is split into a plurality of small groups having a specific formation, a player can interfere with them (S120 and 128). The position of each of the characters on the three-dimensional virtual space is computed, the attack value and/or defense value of each character is computed on the basis of density with other ally characters present near the character (S130), and the omnipresence of the strength of the attack power of the entire formation is shown (S132).
Patent JP-2002299692-A (JP)
Title: Reflection type led light source
Inventor: YAMADA KENICHI
IPC: H01L33/50
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To solve the problem that the conversion efficiency is low, especially, in a transmission type for the wavelength conversion of a radiant light from a LED chip through phosphor and a combined light of a light emitted from the LED chip with a light emitted from the phosphor has a chromaticity change increased with the increase of the thickness of the phosphor layer or the phosphor content, this needing a restrict control of the thickness of the phosphor layer or the phosphor content. SOLUTION: The reflection type LED light source comprises a rectangular base having a phosphor layer covering a reflective material laid on the surface of a recess formed into the upside center of the base, a LED chip disposed above the recess of the base and an approximately spherical transparent resin dome projecting up from the base upside in the form of covering the recess of the base and the LED chip.
Patent JP-2002293178-A (JP)
Title: Folding seat of vehicle
Inventor: KATO JUNJI
IPC: B60N2/36
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a vehicular folding seat that dispenses with preliminary disengagement of a headrest from a seat back. SOLUTION: An upper bracket 7 turns on two pivots 10a and 10b at opposite ends of intermediate links 10, so that a forward movement of a seat cushion 2 in a raised state is increased to keep the headrest 6 from interference with the undersurface of the raised seat cushion 2 even if the seat back 3 is folded forward with the headrest 6 kept mounted on the top.
Patent JP-2002294753-A (JP)
Title: Cab for construction machine
Inventor: HIRAOKA YUKIO
IPC: E02F9/16
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To overcome an inconvenience of a conventional cab for a small hydraulic shovel, the cab being formed narrow at a front portion, having a small lateral width W of a front surface, and having narrow upper and lower front windows arranged in the front surface, resulting in interruption of the operator's field of view by a front left support and degradation in the operator's field of view. SOLUTION: There is provided a cab mounted on a construction machine, having a ceiling portion formed so as to be narrower in a rearward direction as viewed in a plan, and a front surface portion having an upper front window which is vertically movable and can be housed in the ceiling portion on an indoor side thereof. According to the cab thus formed, at least one of upper right and left corner portions of the upper front window has a chamfered portion in a direction that reduces the width of the upper front window.
Patent JP-2002300224-A (JP)
Title: Receiver
Inventor: IDE TERUJI
IPC: H04L27/38
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To select a sampling rate of a signal in a demodulation processing regardless of the sampling rate of A/D conversion of an input side in a receiver of an orthogonal demodulation system. SOLUTION: A receiver is provided with a clock oscillator 105 that can select the output frequency of A/D conversion independently of the sampling rate of the A/D conversion, interpolation filters 101 and 102 perform rate conversion of the common mode and orthogonal components of a band-limited baseband by using resample processing by this output clock to be the signal of a desired sampling rate, and demodulation processing is subsequently carried out.
Patent JP-2002292204-A (JP)
Title: Crystallization reaction apparatus provided with means for controlling amount of raw water to be supplied and crystallization method to use the same
Inventor: YANO RIE
IPC: C02F1/62
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a crystallization reaction apparatus provided with a means for controlling the amount of raw water to be supplied and a crystallization method to use the crystallization reaction apparatus. SOLUTION: This crystallization reaction apparatus is provided with a crystallization reaction tank 1 in which a seed crystal 2 is packed so that the crystallization reaction is promoted for removing the component to be crystallized from raw water, a raw water supplying means for supplying the raw water to the tank 1, a crystallizing liquid chemical supplying means for supplying a crystallizing liquid chemical to the tank 1 and a treated water circulating means for returning at least a part of the treated water discharged from the tank 1 to the tank 1, concentration measuring means 5, 5' for measuring the concentration of the component to be crystallized in the treated water and/or that of the component to be crystallized in the raw water and raw water supply controlling means 12,  12' for controlling the amount of the raw water to be supplied to the tank 1 from the raw water supplying means.