baber/WOPTO huggingface dataset:
Patent JP-2002314132-A (JP)
Title: Semiconductor light emitting diode and epitaxial wafer for semiconductor light emitting diodes
Inventor: SHIBATA KENJI
IPC: C23C16/18
Filed: 2001-04-11
Abstract: PROBLEM TO BE SOLVED: To simplify a process of forming an epitaxial layer, a metal thin film and an ITO film of a semiconductor light emitting diode or an epitaxial wafer for semiconductor light emitting diodes by forming the epitaxial layer and the metal thin film, using the same film forming means, wherein the metal thin film is inserted in a p-n interface defined by the epitaxial layer and the ITO film to flow an electric current at a low resistance. SOLUTION: The epitaxial wafer for semiconductor light emitting diodes or the light emitting diode has at least a lower clad layer 3 of an n-type compound semiconductor, an active layer 4 of a compound semiconductor having a composition having a lower band gap energy than the clad layer, an upper clad layer 5 of a p-type compound semiconductor having a composition having a higher band gap energy than the active layer and a metal oxide transparent conductive film 7 on a conductive substrate. A metal thin film 6 made by the organic metal vapor deposition is provided for a base of the transparent conductive film 7.
Patent JP-2002314596-A (JP)
Title: Packet communication system
Inventor: OGAWA ISAMU
IPC: H04L47/36
Filed: 2001-04-11
Abstract: PROBLEM TO BE SOLVED: To provide a packet communication system that regulates a time required for transmission of a nonreal time packet so as to prevent a transmission delay of a real time packet from being increased. SOLUTION: The packet communication system is provided with a voice detection section 1 that detects input of a voice signal (real time information), a voice coding section 2 that applies high efficiency coding to a voice signal, a voice packet generating section 3 that assembles a voice signal subjected to high efficiency coding into packets, a voice packet storage buffer 4 that stores the generated packets, a data packet generating section 8 that assembles a data signal (nonreal time information) into packets, a data packet storage buffer 9 that stores the generated packets, a channel control section 5 that transmits the packets stored in the packet storage buffers 4, 9 to a communication network,  and a data packet length revision section 7 that decides the length of the packet generated by the data packet generating section 8 on the basis of information of a coded frame period when the voice detection section 1 detects the voice signal and the voice coding section 2 conducts high efficiency coding.
Patent JP-2002310285-A (JP)
Title: Hydraulic control device for automatic transmission
Inventor: UCHINO TOMOJI
IPC: F16H61/12
Filed: 2001-04-16
Abstract: PROBLEM TO BE SOLVED: To securely achieve speed change to a reverse range without generating gear noise or interlock when the reverse range is selected by operation of a select lever when an electric system has failed during travel of a vehicle. SOLUTION: An automatic transmission is provided with an input shaft having a plurality of drive gears, and an output shaft having plural follower gears to be engaged with the drive gears, and it comprises an input clutch to make engagement and disengagement between an engine and the input shaft, and a bypass clutch 31 to make engagement and disengagement between the input shaft and the output shaft. As a change is made to the reverse range by operation of the select lever, speed change gear trains for the reverse range are engaged, and after hydraulic pressure is supplied to the bypass clutch, a shift actuator is changed to a neutral position. At the neutral position, the input clutch makes engagement.
Patent JP-2002307825-A (JP)
Title: Thermal recording medium
Inventor: SATO MICHIHIKO
IPC: B41M5/337
Filed: 2001-04-16
Abstract: PROBLEM TO BE SOLVED: To provide a thermal recording medium which shows good ink receiving characteristics during thermal transfer recording and the capability of recording without generating a sticking phenomenon or printing scums during thermal recording and besides, giving rise to a blocking phenomenon, in the thermal recording medium having at least one kind or more of a thermal recording layer which contains at least one kind or more of an electron-donating and normally colorless or pale-color dye precursor and an electron-receiving developer which makes the dye precursor develop a color through a chemical reaction during heating, laminated on a support. SOLUTION: This thermal recording medium contains polyolefin resin particles in an overcoat layer and also one kind or more of either of an acrylic resin, a urethane resin or an SBR latex. In addition, even during thermal transfer recording, this medium exhibits good ink receiving properties and records data during thermal recording without generating a sticking phenomenon and printing scums. Thus this thermal recording medium shows excellent blocking characteristics.
Patent JP-2002312326-A (JP)
Title: Multiple authentication method using electronic device with usb interface
Inventor: TAKEMURA KAZUO
IPC: G06F21/62
Filed: 2001-04-17
Abstract: PROBLEM TO BE SOLVED: To provide a multiple authentication method capable of easily controlling an account and a password, securing high security level, and being applied to various authentication subjects such as a server and a device. SOLUTION: This multiple authentication method uses an electronic device with an USB interface composed of an account ID authenticating process for reading an account ID from a registry file 15b or a storage means 15a of a target computer 15 and checking the same by the electronic device 10, the computer authentication process, the completion of authentication status information indicating an event that the authentication is completed in both authentication processes, and an access and use rights authentication requiring process for transmitting the account and the password written in a memory unit 10a to the computer 15 as the target of the electronic device or the server 20 or the device 22 connected to the computer 15 by the electronic device 10.
Patent JP-2002312368-A (JP)
Title: Address position indication system
Inventor: ONAKA TETSUO
IPC: G06Q50/16
Filed: 2001-04-18
Abstract: PROBLEM TO BE SOLVED: To provide an address position indication system allowing easy combination of image data of various digital maps. SOLUTION: This address position indication system 1 for indicating a position of a specific address on the digital map has a digital map database 7 generated on the basis of a first coordinate system; a coordinate value database 4 storing a coordinate value of each address in a second coordinate system in connection with each address; a specific address input means 2 for inputting the specific address to be indicated on the digital map; a coordinate value reading means 6 for reading the coordinate value of the specific address in the second coordinate system in response to the input; a corresponding coordinate value specification means 10 finding a corresponding coordinate value in the first coordinate system; a map reading means 8 for reading the digital map;  and a position display means 12 for indicating the position of the specific address onto the digital map on the basis of the corresponding coordinate value.
Patent JP-2002319497-A (JP)
Title: Color-changing illumination device
Inventor: TANABE TETSUO
IPC: H05B44/00
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To enable a user to freely choose illumination colors to his taste in a color-changing illumination device. SOLUTION: The color-changing device 10 selects illumination colors by choosing a point on a chromaticity diagram with the movement of a joystick 1. Movements of the joystick 1 are converted into voltage signals of X-axis and Y-axis directions, which are A/D converted by a microcomputer 7 on an X-Y coordinate on the chromaticity diagram to determine the illumination colors. Brightness ratios of three colors of LED12R, 12G, 12B for displaying the colors, and duty ratios of lighting on and off are found to match each ratio. The three colors of LED12R, 12G, 12B are lit in accordance with their duty ratios. Since signals to be lit are PMW wave, a structure of control circuit by the microcomputer 7 is simplified, which realizes cost reduction of the color- changing illumination device 10.
Patent JP-2002319505-A (JP)
Title: Solenoid drive device
Inventor: SATO KIYOKATSU
IPC: F16K31/06
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a solenoid drive device wherein the amount of wire harness for connecting a solenoid and the number of components can be reduced. SOLUTION: A resistor 32 for current detection is connected with the other end of the solenoid 30 whose one end is connected with ground G, and an NMOS 33 is connected with the resistor 32. The cathode of a diode 34 is connected with the other end of the solenoid 30. The anode of the diode 34 is connected with the ground G. When the NMOS 33 is turned on, a current flows in the solenoid 30 from a battery 31 via the resistor 32. When the NMOS 33 is turned off, a regenerative current flows in the solenoid 30 from the ground G via the diode 34. As a result, current driving of the solenoid 30 is enabled without connecting the anode of the diode 34 with the solenoid 30 by using a lead wire. The regenerative current does not flow in the resistor 32, so that heat generation is little and IC constitution is enabled.
Patent JP-2002316155-A (JP)
Title: Electrolytic water making apparatus
Inventor: OKA KOJI
IPC: C02F1/46
Filed: 2001-04-23
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that a malodor or an irritant odor is generated from acidic or alkaline water according to circumstances at the time of drainage after electrolysis. SOLUTION: In an electrolytic cell 2 equipped with at least a pair of electrodes, an anode chamber 13 and a cathode chamber 14, a water feed means 36 for feeding anode water made by electrolysis to the cathode chamber 14 is provided. Therefore, anode water and cathode water can be mixed and neutralized in the cathode chamber 14 to be drained and the generation of a malodor or an irritant odor of acidic water and alkaline water from a drain tank 28 can be suppressed at the time of drainage. Further, a scale component contained in tap water, which is bonded to and accumulated on the cathode chamber, a cathode and a diaphragm on the side of the cathode chamber, can be dissolved and discharged by feeding anode water to the cathode chamber.
Patent JP-2002324894-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: TAKAMATSU TOMOHIRO
IPC: H01L21/8246
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To make a semiconductor device having a ferroelectric capacitor fine without deteriorating electrical characteristics of the ferroelectric capacitor, and further to provide a multilayer interconnection structure. SOLUTION: An upper electrode formed on a ferroelectric film is constituted of a first conductive oxide film and a second conductive oxide film, and the second conductive oxide film is formed nearer to stoichiometric composition than the first conductive oxide film.
Patent JP-2002324715-A (JP)
Title: Inverter transformer
Inventor: FUSHIMI TADAYUKI
IPC: H01F38/08
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a thin type inverter transformer which can be easily manufactured and assembled and in which magnetic joint between primary and secondary windings can be easily adjusted, no leakage of magnetic flux from the joint part of a pair of cores occurs, and a function to radiate heat producing in the core is provided. SOLUTION: This transformer is provided with primary and secondary windings that are arranged on the same plane, and a pair of cores that are arranged opposite to each other and form a closed magnetic circuit. At least one of the cores is provided with a central leg and an external wall, as well as a partition between the central leg and external wall. The sides opposite to the external wall are respectively provided with an opening, and the partition forms a discontinuous partition that is cut out at a position corresponding to the opening. Then, the primary and secondary windings are arranged concentrically to the central leg, in a groove formed between the central leg and partition and a recessed part formed between the central leg and partition, respectively.
Patent JP-2002329400-A (JP)
Title: Non-volatile semiconductor memory
Inventor: YAMANO KANAME
IPC: G11C29/12
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To detect shorted circuit in a sub-bit line while suppressing increase of chip area in memory array constitution having main bit lines and sub-bit lines. SOLUTION: Main bit lines BLM0-BLM3 are arranged continuously, two selection transistors (T0E-T3E, T0O-T3O) are connected respectively to the main bit lines BLM0-BLM3. Sub-bit lines BLS0E-BLS3E for even number are connected to the main bit lines through the selection transistors T0E-T3E respectively. Sub-bit lines BLS0O-BLS3O for odd number are connected to the main bit lines through the selection transistors T0O-T3O respectively. The sub-bit lines for even number are arranged adjacently in order to BLS0E-BLS3E. The sub-bit lines BLS0O for odd number intersected with the sub-bit lines BLS1E- BLS3E in a electrical insulation state are arranged adjacently to the sub-bit lines BLS3E. Succeedingly, other sub-bit lines are arranged in a state of intersecting each other in the same way.
Patent JP-2002040263-A (JP)
Title: Tool for separating coated fiber of tape fiber
Inventor: OMURA KENJI
IPC: G02B6/00
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a tool for separating coated fibers of a tape fiber capable of easily separating a two-fiber separation type four-tape fiber into two fibers without damaging the coated fibers. SOLUTION: Each of pairs of tools which are butted against each other is divided, a notched groove 5 for holding the tape fiber is formed in butting surfaces of these divided tools striding the divided part, and the coated fibers are separated by a relative deviation in the direction of the tape fiber thickness of the divided tool. The notch is formed in each arc surface of the pairs of tools (6, 7), (8, 9), and the notch groove is formed by butting these notches. A fine notch 10 may be provided in the divided part within the notched groove. The fine notch is composed of four sides of 0.05-0.15 mm. Also, a mechanism, wherein the notched grooves 5 for holding the tape fiber are respectively deviated left and right when a vertical operation is applied to, is provided.
Patent JP-2002327405-A (JP)
Title: Marker for road
Inventor: TANAKA FUMIO
IPC: E01C23/24
Filed: 2001-05-02
Abstract: PROBLEM TO BE SOLVED: To carry out works so as to confirm whether or not the works have been completed while automatically marking the road surface when a service car is driven to carry out the works on a street. SOLUTION: A writing disk (3) formed of abrasive writing instruments such as chalk is arranged so as to be rolled on the road surface with the traveling of the service car (2), and a brake mechanism (4) intermittently stopping the rolling of the writing disk (3) during the traveling of the service car (2) is installed.
Patent JP-2002329937-A (JP)
Title: Semiconductor device and manufacturing method therefor
Inventor: TAKAGI KAZUHISA
IPC: B82Y20/00
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To provide an optical modulator-integrated semiconductor laser which suppresses a high frequency current from leaking to a semiconductor laser part with a high frequency voltage applied to optical modulators. SOLUTION: The semiconductor device for emitting light from an active layer 7 with a voltage applied between semiconductor layers opposed through the active layer comprises an anode electrode 3 formed on one semiconductor layer to which a specified voltage is applied, an insulation film 16 formed on the anode electrode 3, and a shield electrode 17 formed so as to cover at least a part of the anode electrode 3 through the insulation film 16. The electrode 17 is electrically connected to the other grounded semiconductor layer. The electrode 17 shields the anode electrode 3 from outside to suppress a current from leaking between both semiconductor layers due to electromagnetic waves, etc.
Patent JP-2002331572-A (JP)
Title: Molding method for foamed polypropylene resin sheet, and foamed molded body
Inventor: SHIMIZU TAKESHI
IPC: B29K23/00
Filed: 2001-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a molding method for a foamed polypropylene resin sheet which causes no drawdown nor waviness in heating of the foamed sheet and causes no fault of external appearance in a product, such as nonuniformity in a section or a wrinkle, and a foamed molded body excellent in a shape obtained by the method. SOLUTION: The molding method has a heating process of softening the foamed polypropylene resin sheet by heating and a molding process of bringing the heated foamed polypropylene resin sheet into contact with a molding tool and molding it in a prescribed shape. The foaming multiplication rate of the foamed polypropylene resin sheet is 1.1-6 and the open cell percentage thereof is 70% or below, while the thickness thereof is 0.5-5 mm. In the heating process, the sheet is heated in a state of being supported by a plate-shaped sheet support. The foamed molded body is obtained by this method.
Patent JP-2002335355-A (JP)
Title: Communication terminal
Inventor: TACHIBANA MASAKI
IPC: G06F3/048
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a communication terminal with excellent operability that can easily find out an object setting item among a huge number of setting items. SOLUTION: When a request of setting items is received, a main control section 1 detects a kind of functions selected among a plurality of kinds of functions such as a facsimile function, a copy function, a network printer function and a network scanner function on the basis of a selection state of a changeover key of e.g. an operation section 3, allows a display section 2 to display only setting items with respect to the function as a choice and accepts the setting of parameters of the setting items selected among the displayed setting items.
Patent JP-2002333222-A (JP)
Title: Heat carrier apparatus
Inventor: SATO KENJI
IPC: F24F5/00
Filed: 2001-05-10
Abstract: PROBLEM TO BE SOLVED: To utilize a sub tank effectively by preventing a liquid refrigerant that is sucked into the sub tank from flowing out to a gas pipe. SOLUTION: A pump circuit (30) for carrying heat that is given to a refrigerant by a main heat exchanger (HEX2) to an indoor heat exchanger (HEX1) comprises a cooling heat exchanger (HEX4) for reducing the pressure in the main tanks (T1, T2) of the liquid refrigerant, a heating heat exchanger (HEX3) for applying pressure to the main tanks (T1, T2) by evaporating the liquid refrigerant, and the sub tank (ST) for feeding the liquid refrigerant that is sucked from the main tanks (T1, T2) to the heating heat exchanger (HEX3). Circulation drive force is given to the refrigerant in a circulation circuit (20) by the collection of the liquid refrigerant in the main tanks (T1, T2) and the push-out of the liquid refrigerant from the main tanks (T1, T2).  An opening at the side of the sub tank (ST) in a liquid suction pipe (35) for guiding the liquid refrigerant from the main tanks (T1, T2) to the sub tank (ST) faces the lower side of the sub tank (ST).
Patent JP-2002330738-A (JP)
Title: Heat-treated food material and method for producing the same
Inventor: KUNO MASARO
IPC: A23L19/00
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To obtain a heat-treated food material cookable in a short time as a tasty product without causing garbage such as vegetable waste, etc., when a boiled food is produced. SOLUTION: A food material composed of ingredients each selected from root vegetables 2, 2... and meat 3, 3... is boiled with a bouillon 4 without adding salt, sterilized and packed in a packaging material to give a sterilized heat- treated food material having <=0.5% salt content and a flavor of bouillon soaked into the food material. In the case where a transparent bag made of a synthetic resin is adopted as the packaging material, an emulsifying agent such as lysolecithin, etc., is preferably added to the bouillon 4.
Patent JP-2002344120-A (JP)
Title: Flexible circuit board and its manufacturing method
Inventor: MATSUDA FUMIHIKO
IPC: H05K3/28
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To provide a flexible circuit board on which a circuit wiring pattern can be narrowed in pitch and lowered in dielectric constant, and to provide a method of manufacturing the circuit board. SOLUTION: A required circuit wiring pattern 2 is formed on at least one surface of an insulating base material 1 and an electrodeposited polyimide resin layer 4 is formed on the whole surface of the pattern 2 except openings 5 which become outside connecting terminal sections in the pattern 2.
Patent JP-2002302843-A (JP)
Title: Method for making jacquard card pattern for ornamental use and the resulting ornamental product
Inventor: YAMAMOTO YUKINOJO
IPC: D03C19/00
Filed: 2001-04-05
Abstract: PROBLEM TO BE SOLVED: To provide a method for making a jacquard card pattern for ornamental use, and to provide the resultant ornamental product. SOLUTION: For a method of software transformation comprising transforming the current image processor software and making a transformation by combining the recombination of picture element distribution scheme and pattern data in a pattern constitution, using a crest fabric weave jacquard card making method A having the function of a pattern planning color simulator used in jacquard card making for a jacquard machine in current use, an enlarging projector, a pattern divider, an electronic camera for fabric dividing design, an image processor, and an electronic automatic crest making system for making recording media to be inputted as jacquard card into a jacquard, the image processor software incorporated is transformed, and through a means of software transformation comprising transformation by combining the recombination of picture element distribution scheme and pattern data in a pattern constitution, a judgment from the aspect of software is made based on a pattern shown on the image processor, and the objective jacquard card art ornamental product is made by individually punching with an automatic crest carving device.
Patent JP-2002021394-A (JP)
Title: Convertible top for vehicle
Inventor: REINSCH BURKHARD
IPC: E05B65/12
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a convertible top for a vehicle having an improved mechanism for control and operation of a lock device. SOLUTION: The convertible top for a vehicle includes a roof frame having roof side members, a lock device 9 for lockingly fixing the roof side members to a windshield frame, and a drive for locking and unlocking the lock device. The drive includes power transmission mechanisms 71 and 75 comprising at least two portions, and a coupling device 74. The power transmission mechanisms extend along the roof side members from a frame main section to a locking portion 9 which can be fixed to the windshield frame; at the outer oscillating positions of the roof side members, the coupling device can couple the front power transmission mechanism part 71 supported on the roof side members with the rear power transmission mechanism part 75 which can be driven for locking and unlocking. Also, the coupling device is separable for the inward oscillation of the roof side members.
Patent JP-2002354823-A (JP)
Title: Pwm system inverter
Inventor: OURA HISAHARU
IPC: G02F1/133
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To provide a PWM light control system in which occurrence of incomplete beat can be suppressed. SOLUTION: In a PWM light control system inverter circuit for driving a multi-lamp back light becoming the light source of a liquid crystal display, each inverter output corresponding to each lamp of the back light is turned on/off while shifting the phase.