baber/WOPTO huggingface dataset:
Patent JP-2004141878-A (JP)
Title: Lead-free solder material
Inventor: AMANO AKIRA
IPC: B23K35/26
Filed: 2002-10-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lead-free solder material which can easily be made into a foil shape, is good in solderability at a temperature slightly exceeding 300°C, and can join wafers to each other at the heat resistance and joining strength equivalent to or higher than those of the conventional solder materials containing lead.  <P>SOLUTION: The lead-free solder material is prepared by fixing fine powder of a solder material of an Sn-Sb system or Sn-Ag system not containing lead, a solvent, such as isopropyl alcohol, of a weak polarity, and a hydrocarbon compound, such as succinic acid, which is soluble in the solvent and has a carboxyl group (-COOH) at one end to a slurry form.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004146935-A (JP)
Title: Speaker system
Inventor: TOMIZAWA TATSUFUMI
IPC: H04R1/30
Filed: 2002-10-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a speaker system with a simple structure at a low component cost and with a reduced number of components for decreasing a standing wave, cavity vibration and a reflected wave caused in a space among composite speakers.  <P>SOLUTION: The speaker system is provided with: a rear speaker 10 configuring a WF speaker; a MID speaker 22 supported by a front face of the rear speaker 10 via a support 21 and located within the outer shape of the rear speaker 10; and a front speaker 20 configuring a TW speaker, a piezoelectric speaker is employed for the TW speaker 24 of the front speaker 24, an auxiliary diaphragm 24c for increasing a reproduction sound pressure level is located on a front face of a metallic diaphragm 24b joined with a vibrating element 24a of the piezoelectric speaker, and an inverted phase auxiliary diaphragm 24d to apply a sound pressure with an inverted phase to the rear speaker 10 is located on the rear face of the diaphragm 24b in opposition to the rear speaker 10.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004142875-A (JP)
Title: Sheet material supply device
Inventor: UEDA MASAYUKI
IPC: B65H3/54
Filed: 2002-10-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sheet material supply device capable of preventing dispersion of horizontal registration of a sheet material and occurrence of skewing.  <P>SOLUTION: A paper supply tray 1 as the sheet material supply device is furnished with a bottom plate 4, a presser member 5 to pressurize an end surface in the cross direction of a transfer paper bundle, a disc spring 12 to give this pressurizing force to the presser member 5 and a pressurizing force variable means to regulate this pressurizing force. This pressurizing force variable means increases energizing force by the disc spring 12 as a fulcrum moving rack 13 to move a deflection fulcrum of the disc spring 12 moves rightward by proper quantity in the drawing due to rotation of a pinion gear 14 when the number of the transfer paper accumulated on the bottom plate is large and decreases the energizing force as the rack 13 moves leftward by proper quantity when the number of the transfer paper accumulated is small.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004146666-A (JP)
Title: Multilayered circuit board and manufacturing method thereof
Inventor: TOYOSHIMA RYOICHI
IPC: H05K3/46
Filed: 2002-10-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multilayered circuit board having a columnar conductor for interlayer conduction wherein an interlayer insulating layer uses an electrodeposition resin by the electrodeposition method, and to provide a manufacturing method thereof.  <P>SOLUTION: A precipitation mask at the electrodeposition is formed at a part on a copper foil 1 of the part acting like an interlayer connection part 2 by a conventional exposure development process by using a dry film resist 3, and the electrodeposition resin serving as the interlayer insulating layer 4 is precipitated on the exposed face of the copper foil 1 by the electrodeposition method. At that stage, the dry film resist 3 is exfoliated to from the opened interlayer connection part 2. Then, after the columnar conductor 5 is formed on the interlayer connection part 2 by the plating method by using the interlayer insulating layer 4 for a mask, a copper foil 6 is uniformly layered on the interlayer insulating layer 4 and the columnar conductor 5, and required wiring layers 7, 8 are simultaneously formed to the copper foils 1, 6 on both sides by the subtractive method. Then the interlayer insulating layer attached copper foil with the columnar conductor formed by the method above is layered from both sides, and other required wiring layers 9, 10 are formed by the subtractive method to manufacture the multilayered circuit board.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004147191-A (JP)
Title: Transmitter-receiver for high output multimode mobile communication
Inventor: NISHIYAMA IKUMASA
IPC: H04B1/40
Filed: 2002-10-25
Abstract: <P>PROBLEM TO BE SOLVED: To easily construct a high power multimode mobile communication transmitter-receiver capable of corresponding to a power class I as necessary by using a conventional low output multimode mobile communication transmitter-receiver of a power class III.  <P>SOLUTION: A multimode mobile communication transmitter-receiver 1 has a transmitting circuit 7 for outputting at least a transmission signal of an AMPS (advanced mobile phone service) system and a receiving circuit 10 for receiving at least a reception signal of the AMPS system. A booster device 20 is provided with a first terminal 21 for antenna connection, a power amplifier circuit 25a connected to the first terminal 21 and a reception transmitting circuit 26 connected to the first terminal 21. When the booster device 20 is attached, the transmitting circuit 7 is connected serially to the power amplifier circuit 25a and the reception transmitting circuit 26 is connected serially to the receiving circuit 10.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004147202-A (JP)
Title: Dvd-recording and reproducing apparatus
Inventor: OKUYAMA MINORU
IPC: H04N5/85
Filed: 2002-10-25
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the operational procedure of editing, and to immediately enable a reproducing operation necessary at editing to be performed.  <P>SOLUTION: A DVD-recording and reproducing apparatus comprises a control portion, a video voice source, an encoding/decoding portion, a buffer memory portion, and a DVD recoding and reproducing portion. The control portion performs recoding processing, when a recording key is depressed, and it performs reproducing processing and editing processing, when a reproducing key is depressed. The control portion controls for performing selection processing and to perform the reproducing processing and the editing processing subsequently; when a menu key is depressed. When the key for editing is depressed down, the reproducing processing is interrupted, and the editing processing corresponding to the key is performed; and when the editing processing is finished, the reproducing processing is restarted.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004141803-A (JP)
Title: Plasma process apparatus and its chamber seal method
Inventor: NAGAO ISAMU
IPC: C23C16/44
Filed: 2002-10-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plasma process apparatus preventing the generation of particles caused by deterioration of an O-ring and lowering of the sealing property.  <P>SOLUTION: In the plasma process apparatus, a gate valve 3 for shutting off the plasma having the O-ring 4 for shutting off the atmosphere 2 of plasma from a reaction chamber 1 is provided on a piping part 8 between the reaction chamber 1 in which plasma treatment is carried out and a conveying chamber from this reaction chamber 1. The plasma process apparatus is characterized in that the O-ring (4) is provided in, two stages, that is, a metal mesh-like O-ring 4 and a fluorine resin based O-ring 6.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004143867-A (JP)
Title: Supporting device for post and rope and its installation method
Inventor: KITAGAWA MINORU
IPC: E02D5/80
Filed: 2002-10-28
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem that a driving or pressing post requires excessive labor and a construction work for a concrete foundation requires expenses and a construction term in erection of a post or moorage of a rope and the supporting device with a spiral plate is hard to avoid obstacles in the ground and it costs much for expences of various kinds of manufactures.  <P>SOLUTION: The support device of the post and the rope is provided with a support pile 1 provided with a spiral plate 20 at the lower end 10a of an axial body, a fitting fixing part 30 at the head 10b of the axial body, and a support disc 4 having a fixing hole 42 at the disc body 41 and a support 50 supporting the post and the rope. The installation method depends on the support device. An inclined erection to the optimum fixing holes 42(42a) provided with a necessary number of support piles 1 in the extra degree in compliance with the bearing force of the post 7 and the rope 8 or the ground strength, etc. is chiefly used. The kind and scale of the support pile 1, the support disc 4, and using rotary implements are unified and miniaturized. Labor-saving of erection works and waste of the support piles is eliminated. Adjustment of bearing force suitable to the bearing force of the support disc and avoidance from underground obstacles are facilitated.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004146736-A (JP)
Title: Manufacturing method for circuit board and circuit board
Inventor: KUBO KAZUAKI
IPC: H05K3/38
Filed: 2002-10-28
Abstract: <P>PROBLEM TO BE SOLVED: To easily and inexpensively manufacture a reliable junction for a power module circuit board by increasing the connection area between a ceramic substrate and a metal plate.  <P>SOLUTION: When the ceramic substrate and the metal plate M are brought into contact with each other and pressed and joined at a high temperature to manufacture a circuit board, they are subjected to blast processing with brazing material powder B to increase the junction area of the metal plate M, and the metal plate M is joined with the ceramic substrate.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004150820-A (JP)
Title: Test vector generator, test vector generating method, failure analyzer for semiconductor integrated circuit, and program for generating test vector
Inventor: URATA KOJI
IPC: G01R31/319
Filed: 2002-10-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a test vector generator for generating a test vector used to test a specific domain by naming the specific domain in a semiconductor integrated circuit.  <P>SOLUTION: Retrieval conditions are named for selecting a path allowing a signal to be transmitted therethrough in the semiconductor integrated circuit. Timing analysis is executed based on circuit information on the integrated circuit, a path is retrieved satisfying the retrieval conditions, and a path list is prepared in which cells constituting the retrieved path are put in the order of execution of timing analysis. Based on the path list, a test vector is generated for testing path delay failure of the integrated circuit. A termination condition is named for terminating the generation of the test vector. The preparation of the path list is terminated when the termination condition is satisfied.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004147706-A (JP)
Title: Apparatus and method for determining non-invasive biomedical component
Inventor: OKUNO KANAME
IPC: G01N21/35
Filed: 2002-10-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for determining non-invasive biomedical components with a smaller size and the saving of power.  <P>SOLUTION: An optical apparatus which determines the biomedical components in an invasive fashion comprises an irradiation means which irradiates a subject sequentially with lights with a plurality of different wavelengths in the near infrared wavelength range of 1,000 nm to 2,500 nm, a photodetecting means 12 for receiving the reflected light from the subject or the transmission light through the subject and an arithmetic means 14 for calculating the concentration of the biomedical components by the arithmetic processing from the absorbance per the wavelength obtained by the photodetecting means 12. The subject 8 is irradiated sequentially with the lights with varied wavelengths.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004153419-A (JP)
Title: Satellite communication apparatus
Inventor: HATAKEYAMA AKIHIRO
IPC: H04B7/155
Filed: 2002-10-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a satellite communication apparatus with a simple configuration for attaining high speed transmission of control information and improving the extendability, flexibility and a development efficiency of a satellite communication system.  <P>SOLUTION: In the satellite communication apparatus performing data transfer by using a satellite communication channel controlled by a central control station, a hub 55 being a standard LAN interface interconnects: a CSC modem 51 and a plurality of data modems 52-1 to 52-n of the satellite communication apparatus 100; and an adaptor 54 converting interfacing of a router 60 of a LAN system 70, and transmission / reception of information between the CSC modem 51 and a plurality of the data modems 52-1 to 52-n and the adaptor 54 is performed via the hub 55.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004150928-A (JP)
Title: Device and method for controlling output of nuclear reactor
Inventor: KUROE YUUKI
IPC: G21C17/10
Filed: 2002-10-30
Abstract: <P>PROBLEM TO BE SOLVED: To enable the stable power generating operation of a nuclear reactor by monitoring plant parameters as disturbances to the output of the reactor and restraining it from fluctuating through the suppression of the influence from the disturbances.  <P>SOLUTION: A device has an automatic reactor output regulating means 6 which evaluates the output of the reactor 1 on the basis of signals showing the pressure of it and outputs a load requirement deviation signal D showing the deviation between the output of the reactor 1 based on the pressure of it and a set value of reactor output, a reactor output fluctuation prediction component 16 which inputs a feed-water signal J showing the flow rate or temperature of feed-water and outputs a reactor output fluctuation prediction signal K from the fluctuation of the feed water signal J, a reactor output fluctuation compensation component 17 which inputs the load requirement deviation signal D and the reactor output fluctuation prediction signal K and outputs a correction load request deviation signal L based on the reactor output fluctuation prediction signal K and a recirculation flow rate controlling means 11 which controls the recirculating flow rate on the basis of the correction load request deviation signal L.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004151565-A (JP)
Title: Image printing device
Inventor: MORI MASAO
IPC: G02B13/24
Filed: 2002-10-31
Abstract: <P>PROBLEM TO BE SOLVED: To suppress the generation of a color slurring due to a chromatic difference of magnification of a lens.  <P>SOLUTION: An optical system 12 is constituted of a Fresnel lens 17 which makes image light from a color display unit 11 nearly telecentric, a correcting lens 18 which is formed by cementing a concave lens 18a and a convex lens 18b together and corrects the power chromatic aberration etc., and a master lens 19 for forming an image on printing paper 21. The correcting lens 18 and master lens 19 satisfy ¾f/f<SB>m</SB>¾>20, where (f) is the composite focal length of the correcting lens 18 and the fm is the focal length of the master lens 19. Further, the concave lens 18a and convex lens 18b satisfy 0.03<¾N<SB>n</SB>-N<SB>p</SB>¾<0.18 and ¾ν<SB>n</SB>-ν<SB>p</SB>¾<20, where N<SB>n</SB>and N<SB>p</SB>, and ν<SB>n</SB>and ν<SB>p</SB>are their refractive indexes and Abbe numbers respectively.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004154971-A (JP)
Title: Method for producing lightweight cellular concrete panel
Inventor: SUDA MITSUO
IPC: E04C2/06
Filed: 2002-11-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a lightweight cellular concrete panel in which the occurrence of a cavity part in the upper part of a reinforcing bar is controlled.  <P>SOLUTION: In the method, the reinforcing bars mainly comprising vertical reinforcing bars embedded in the length direction of the panel and horizontal reinforcing bars embedded in the width direction are laminated in parallel to a bottom surface in a form, and the height of the reinforcing bar of the uppermost part is 280-420 mm from the bottom surface of the form. The height of a semi-cured body in the form is made to be 115-160% of the height of the reinforcing bar in the uppermost part.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004129473-A (JP)
Title: Inverter
Inventor: FURUYA YUKIO
IPC: H02M7/12
Filed: 2002-09-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high-power-factor discharge lamp lighting device, by making an input current close to the sine wave of the same phase of a power supply voltage with an enlarged conduction angle.  <P>SOLUTION: This inverter is provided with a rectifier power supply 10 that rectifies a voltage of an AC power source 11; a first switching element 21 and a second switching element 22 in forward series that are controlled in such a way as to be switched on and off alternately in order to impress the voltage of the power supply 10 to both of the switching elements 21, 22 in a forward direction; a fist flywheel diode 31 that is connected anti-parallel to the first switching element 21; a second flywheel diode 32 that is connected anti-parallel to the second switching element 22; an inductive load 40; a first main capacitor 51 and a second main capacitor 52 to form a closed circuit that includes the first switching element 21, the inductive load 40, and the first and second capacitors 51, 52 connected in series; an auxiliary inductor 60 that connects the first capacitor 51 at the side of the power supply 10 parallel to the power supply 10; and an auxiliary capacitor 70 that is connected parallel to either the power supply 10 or the auxiliary inductor 60.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004156754-A (JP)
Title: Vibration control mount and its manufacturing method
Inventor: UEHARA SHIGETAKA
IPC: F16F1/36
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To manufacture a vibration control mount at a low cost by abolishing an adhesion structure of both mounting plates 10, 20 and an elastic body 30.  <P>SOLUTION: The elastic body 30 is interposed in a non-adhesion manner between an outer cylinder 12 of one mounting plate 10 and an inner cylinder 22 of the other mounting plate 20. The elastic body 30 is bent along projections 12a, 22a formed at a position corresponding to the outer cylinder 12 and the inner cylinder 22 each other. Radial pre-compression is imparted to the elastic body 30 by plastically deforming the inner cylinder 22 or the outer cylinder 12 radially after the elastic body 30 is interposed between the outer cylinder 12 and the inner cylinder 22.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004156876-A (JP)
Title: Hot-water supply system
Inventor: TANIOKA NOBUHIRO
IPC: E03C1/02
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hot water supply system for surely supplying a hot water of desired flow rate to a hot water supply appliance using a large amount of hot water such as a shower, even in a case where a plurality of hot water supply appliances are simultaneously used.  <P>SOLUTION: This hot water supply system is constituted so that a control means 10 performs the control to reduce a flow rate by a flow rate adjusting means 11 of branched pipes 31, 41 to the hot water supply appliances 3, 4, in a case where a flow rate detecting means 12 of a branched pipe 21 to the hot water supply appliance 2 detects the flow rate. Thereby, the hot water of desired flow rate can be surely supplied to the hot water supply appliance 2 using a large amount of hot water such as a shower.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004100429-A (JP)
Title: Door lock drive unit
Inventor: NAKAMURA HIROSHI
IPC: E05B83/36
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a door lock drive unit which is thinned in thickness and reduced in cost by dispensing with an engaging member fixed to a mechanical reduction gear as an individual body, and providing an output cam 2 having both an opener function and a closer function.  <P>SOLUTION: The mechanical reduction gear of the door lock drive unit functions to reduce the rotational speed of a motor shaft 71 of a driving motor 1 so as to be set at a predetermined reduction ratio. The output cam 2 of this drive unit, which is made of a metal and has an opener cam surface for driving an opener mechanism and a closer cam surface for driving a closer mechanism, is formed only on the surface of a second reduction gear 15 of the mechanical reduction gear in one body therewith. Therefore an engaging member individually arranged on the mechanical reduction gear and a fixing member for fixing the engaging member to the mechanical reduction gear are dispensed with, so that the number of assembling steps and the number of component parts are reduced, resulting in cost reduction. Further, the engaging member and an operating space for the same become unnecessary, and therefore the door lock drive unit can be thinned by a value equal to the operating space in a width direction in which the engaging member is elastically deformed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004165257-A (JP)
Title: Organic thin film transistor element
Inventor: HIRAI KATSURA
IPC: H01L51/30
Filed: 2002-11-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an organic semiconductor material having a high mobility and capable of producing a TFT element in a wet process.  <P>SOLUTION: The organic thin film transistor element contains a compound represented by formula (1) in a semiconductor layer.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004165436-A (JP)
Title: Method of manufacturing semiconductor light emitting device
Inventor: SAI HIRONOBU
IPC: H01S5/22
Filed: 2002-11-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a semiconductor light emitting device with high yield which is excellent in emission properties and equipped with a current constriction layer of high performance.  <P>SOLUTION: The method of manufacturing the semiconductor light emitting device 1 provided with the current constriction layer comprises processes of successively laminating a lower clad layer 5, a lower spacer layer 6, an active layer 7, an upper spacer layer 8, a current constriction layer 10a, and an upper clad layer 9 on a substrate; irradiating the current constriction layer 10a with a laser beam whose wavelength is specified so as to enable only material forming the current constriction layer to absorb the laser beam as the laser beam is focused on the current constriction layer; and forming a current constriction part by modifying the crystal structure of a part irradiated with the laser beam.  <P>COPYRIGHT: (C)2004,JPO