baber/WOPTO huggingface dataset:
Patent JP-2001257535-A (JP)
Title: Oscillation circuit, electronic appliance and clock
Inventor: NAKAMIYA SHINJI
IPC: G04G3/00
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a crystal oscillation circuit capable of oscillating stably with small power consumption. SOLUTION: This crystal oscillation circuit includes a signal inversible amplifier 30, a crystal oscillator 10 and feedback circuits 14, 16 and 18 for phase- inverting the output signal of the signal inversible amplifier and feedback- inputting it. Then, the sum of the absolute values of the threshold voltage of the first semiconductor switching element 42 constituting the amplifier 30 and the second semiconductor switching element 52 is set to be a value equal to or larger than the absolute value of a potential difference between the first potential and the second potential.
Patent JP-2002243407-A (JP)
Title: Rotation angle detector and its apparatus
Inventor: MATSUZAKI KAZUNARI
IPC: G01B7/00
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To obtain a rotation angle detector which is small and which is superior in productivity. SOLUTION: The rotation angle detector 10 is constituted in such a way that it is composed of a magnetic-field generation means which is turned integrally with a specimen and which generates a magnetic field perpendicularly to a shaft and uniformly in one direction in a standstill and at least two from among magnetic-field detecting elements 41, 42, 43, 44 which are arranged and installed so as to generate one sine wave with reference to one rotation of the magnetic-field generation means and that drive-current terminals 61, 62, 63, 64 of the magnetic-field detecting elements are connected in series.  Alternatively, the detector 10 may be constituted in such a way that at least two signal differential amplification means are arranged on a board on which at least two magnetic-field detecting elements are arranged and that circuit interconnections by which outputs from the magnetic-field detecting elements are passed through the signal differential amplification means are provided. Alternatively, the detector 10 may be constituted in such a way that all drive- current terminals of magnetic-field detecting elements of an apparatus in which a plurality of rotation angle detectors are arranged are connected in series.
Patent JP-2002245078-A (JP)
Title: Device and program for retrieving information using speech and recording medium with program recorded thereon
Inventor: OMORI NOBUYUKI
IPC: G10L15/28
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To provide an information retrieving device using speech for realizing a word cover rate being sufficient to a retrieval service while restricting the deterioration of recognizing accuracy by registering a very frequently used word in a recognition dictionary through the use of the maldistribution property of retrieval keywords and to provide an information retrieving program using speech and a recording medium with the program recorded thereon. SOLUTION: The retrieval keyword inputted by speech from a user terminal 1 is received by a speech recognizing part 3 and a speech keyword is recognized by speech by referring to the speech recognition dictionary 5. With the speech recognition keyword as a retrieval request, information corresponding to the keyword is retrieved by a retrieval engine 8 and outputted to the user terminal, the keyword used for the retrieval is preserved in a retrieval log database 7 and the word being effective for retrieval among the preserved keywords is registered in the speech recognition dictionary 5 as the word.
Patent JP-2002245372-A (JP)
Title: Color order method
Inventor: TANAKA TAKEHISA
IPC: G06Q50/00
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a color order system which is simple and flexible and is not affected by the difference between color reproducing characteristics of an output device on the ordering person side and that on the order receiver side. SOLUTION: From at least one commodity picture in a color and colorimetric values of the other colors, commodity pictures in the other colors are generated, and these commodity pictures are transmitted after their colors are corrected in accordance with color reproducing characteristics of the output device which the ordering person uses.
Patent JP-2002243815-A (JP)
Title: Magnetic detector
Inventor: KUDO TAKAHIRO
IPC: G01R33/02
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive magnetic detector the accuracy of which is not deteriorated by its environmental characteristic nor variation with time. SOLUTION: An output is detected by a detecting circuit 4, when a median of the biassed magnetic field of a magnetic impedance element 1 having magnetic impedance effect is shifted by a predetermined value, by means of a control unit 8 and a bias shift circuit 7. The output is digitised by a converter 5 for a specified correction by means of a correction processor 6. As a result, an appropriate sensitivity can be obtained even under any environmental variation and variation per hour, resulting in highly accurate detection.
Patent JP-2001316122-A (JP)
Title: Synthetic quarts glass containing fluorine and process of producing same
Inventor: MAIDA SHIGERU
IPC: C03B8/04
Filed: 2001-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a synthetic quarts glass at a low cost which has a uniform structure and a higher transmittance of vacuum ultraviolet rays than the conventional one. SOLUTION: This process for producing a synthetic quarts glass comprises the steps of supplying a mixed gas comprising a raw material gas for producing silica, hydrogen gas, oxygen gas and a fluorinated compound gas into a reaction area through a burner, generating silica fine particles containing fluorine via flame-hydrolysis reaction of the raw material gas for producing silica in the reaction area, together with producing a porous silica base material containing fluorine by building up the silica fine particles onto the substrate capable to rotate and disposed in the reaction area, and heating and vitrifying the porous silica base material in an atmosphere containing the fluorinated compound gas.
Patent JP-2002246479-A (JP)
Title: Manufacturing method of semiconductor device
Inventor: ARIYOSHI RYUJI
IPC: H01L21/76
Filed: 2001-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of a semiconductor device, having an MOS transistor which enables breakdown by simple writing, without damaging other elements regarding the manufacturing method of a semiconductor device, which realizes desired circuit operations by writing prescribed data in a completed product. SOLUTION: The concentration of second conductivity impurities in a channel region 114 side in at least a part of a P-N junction surface between a drain diffusion layer of a second MOS transistor 110 and a channel region 114 is made higher than the concentration of second conductivity impurities, in a corresponding part of a first MOS transistor, by introducing the second conductivity impurities to a semiconductor region, wherein at least a part of the P-N junction surface is formed.
Patent JP-2002244348-A (JP)
Title: Method for producing toner for electrophotography, toner obtained by the same and electrophotographic developing device using toner
Inventor: EMOTO SHIGERU
IPC: G03G9/09
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing toner with good productivity by which transfer performance is improved and a high-quality full color image having no void is obtained by controlling toner shape, and to provide spherical toner. SOLUTION: This method for producing the toner includes a stage where the master batch of a colorant is previously melted and kneaded together with binder resin being a toner component and a release agent, an electrifying agent controller and other additive as necessary, a stage where substance dissolved in terms of water phase is kneaded in the melted and kneaded substance or kneaded with the master batch, and a stage where mechanical energy is given to the kneaded substance so as to disperse it to toner size and the kneaded substance dissolved in terms of the water phase is dissolved in water so that toner particles deposited under water is obtained. Desirably, the method includes a stage for making the toner shape spherical, where the toner particles obtained under water are heated, stirred and spheroidized.  The method for producing the toner, the toner for electrophotography obtained by the method and the electrophotographic developing device using the toner are provided.
Patent JP-2002251567-A (JP)
Title: Method and system for advertisement
Inventor: NAKAGAMI YASUHIRO
IPC: G06Q10/00
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To improve reliability of an advertisement, precision of an appealing target, and advertisement effect. SOLUTION: In an advertisement system 10 having advertisement information provided from an advertiser, when a user of a mobile communication terminal 21 is registered in membership as an active user 31 (step 200), an acquaintance of the active user 31 is also registered as a passive user 32 at the same time. After permission of the passive user 32 is confirmed (steps 201, 202), existence of the corresponding advertisement information is informed by an advertisement mail to the registered passive user 32 when the active user 31 browses the advertisement information on the advertisement system 10, and transmitted/ browsed mail address is recorded for every advertisement information for preventing overlapping delivery. Double registration of the active user 31 and the passive user 32 is allowed, and penetration of the advertisement information can be performed at a high speed interlockingly without any overlap between them. To the active user 31, a privilege (point) is given every time when the user views an advertisement or when the advertisement mail is transmitted (browsing confirmation) to the passive user 32.
Patent JP-2002249686-A (JP)
Title: Ink for ink jet and method for producing color filter
Inventor: YAMASHITA YOSHIHISA
IPC: C09D11/328
Filed: 2001-02-26
Abstract: PROBLEM TO BE SOLVED: To prepare ink for ink jet printing, specifically ink for producing a color filter efficiently, which ink affords high accuracy with which microfine droplets of the ink are ejected onto a filter substrate and amount of ejection is uniformized even when ejected from a nozzle that has not been used for a long time in such cases as those to produce the color filter by an ink jetting method. SOLUTION: The ink for ink jet, which contains a compound represented by formula I, is used [wherein R<1> represents a >=8C acyl group; R<2> and R<3> represent each H and a >=8C acyl group; (n) represent an integer of 1-20].
Patent JP-2002252466-A (JP)
Title: Wiring board and manufacturing method thereof
Inventor: FURUYA AKIHIKO
IPC: H05K3/46
Filed: 2001-02-27
Abstract: PROBLEM TO BE SOLVED: To fill a via hole with a plating layer whose main component is copper in a void-free state, regarding a wiring board and manufacturing method thereof. SOLUTION: An activating region 5 in a catalytic activity state is provided on the surface of a conductive layer 2 of exposed copper of copper compound as a main component in the via hole 4 provided to an organic insulating layer 3. An initial embedding layer 6 contacting at least the activating region 5 of a via 7 that embeds the via hole 4 comprises an electroless copper plating layer.
Patent JP-2002249527-A (JP)
Title: Addition copolymer, hydrogenated addition copolymer, and their production methods
Inventor: KISHI NAOYA
IPC: C08F8/04
Filed: 2001-02-27
Abstract: PROBLEM TO BE SOLVED: To provide a conjugated diene/cycloolefin addition copolymer which can be designed as a rubbery polymer or as a plastic. SOLUTION: This addition copolymer at least has repeating units derived from a conjugated diene monomer and repeating units derived from a cycloolefin monomer. The repeating units derived from a conjugated diene monomer accounts for 10-99 mol% of the total repeating units, and the repeating units derived from a cycloolefin monomer, 90-1 mol%. The copolymer has a wt. average mol.wt. (in terms of polystyrene, by gel permeation chromatography) of 5,000 to 1,000,000 and a glass transition temperature of -100 deg.C to 200 deg.C.
Patent JP-2002261588-A (JP)
Title: Comparison drive circuit and triangular waveform voltage generating circuit
Inventor: SUGAWARA SATOSHI
IPC: H03K5/08
Filed: 2001-02-27
Abstract: PROBLEM TO BE SOLVED: To turn on or off constant current sources IS1 and IS2, which charge or discharge oscillation capacitors Cosc without delays for extracting a stable triangular-waveform voltage Vosc of high frequency from the capacitors Cosc. SOLUTION: A comparison drive circuit 1 is composed of switched comparators SP1 and SP2, which are provided with internal capacitors C1 and C2, high-speed switchable CMOS inverters IV1, IV2 and IV4, IV5 and others respectively, charge the internal capacitors C1 and C2 with a voltage corresponding to a reference voltage in a charging time, and compare the triangular waveform voltage Vosc with the reference voltage in a comparison time; the SP1 compares the triangular-waveform voltage Vosc with a reference voltage Vref1, which determines the upper limit value of the Vosc.  The SP2 compares the triangular-waveform voltage Vosc with a reference voltage Vref2 which determines the lower limit value of the Vosc, the SP1 and SP2 communicate their outputs to each other, and a process where one is kept in a charging period, while the other is kept in a comparison period is repeatedly carried out, and the outputs of the comparators SP1 and SP2 are partially outputted as a drive output 1a to the constant-current sources IS1 and IS2.
Patent JP-2002260930-A (JP)
Title: Stacked balun transformer
Inventor: MARUYAMA YUJI
IPC: H01F17/00
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a balun transformer which can be made compact and can improve insertion loss by optimizing the electromagnetic coupling of strip lines. SOLUTION: This standard balun transformer 11 is provided with a dielectric layer 12c where a spiral strip line 33 is formed, a dielectric layer 12b where a spiral strip line 32 is formed, a dielectric layer 12a where a spiral strip line 31 is formed, and a dielectric layer 12e where an earth electrode 40 is formed. The dielectric layers 12a and 12e are stacked in the transformer 11. In this case, the dielectric layer 12a and 12b are formed adjacent to each other.
Patent JP-2002259248-A (JP)
Title: System, method and device for processing information, portable telephone set, recording medium and program
Inventor: NAKADA KENJI
IPC: G06Q30/06
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To conveniently receive various services. SOLUTION: A user inputs a code carried on an advertisement to a portable telephone set 10 when the user is interested in information carried on the advertisement, etc. The code inputted to the portable telephone set 10 is received by a server 7. The server 7 provides a service corresponding to the code. The code consists of a store code for identifying an affiliated store 71 and a merchandise code for identifying merchandise provided by the affiliated store 71. Various pieces of data can be made to correspond to the merchandise code and as a result, various services can be provided.
Patent JP-2002254010-A (JP)
Title: Adhesive coating device
Inventor: SUZUKI TAKUMI
IPC: B05D3/00
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To provide an adhesive coating device that can easily detect existence of adhesive. SOLUTION: In an adhesive coating device which arranges an adhesive 4 to an inner surface 5 of a cylindrical aluminum drum 1, the surface roughness of the inner surface 5 of the cylindrical aluminum drum 1 is at least 0.5 μm. The device is equipped with an adhesive delivery port 2 which coats the adhesive 4 to the inner surface 5 of the cylindrical aluminum drum 1 and a reflective light detector 3 which detects whether or not the adhesive exists by the amount of its reflective light by obliquely irradiating a razor light to the adhesive coated face 5 from outside of the cylindrical aluminum drum.
Patent JP-2002258614-A (JP)
Title: Image forming apparatus
Inventor: IWATA NAOTAKA
IPC: G03G21/00
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To always enable the detection of the electrostatic charge state of a developer (toner) by detecting the electrical potential of a developer (toner) layer while controlling the potential by electrification of an image carrier (photoreceptor) by using an electrometer in the image forming apparatus of a electrophotography system. SOLUTION: The image forming apparatus is provided with an image carrier 5-2 (photoreceptor), an electrostatic charging device 5-3 to electrify the image carrier, an exposure device 5-1 to form an electrostatic latent image on the image carrier, a developing device 5-4 which develops and sensitizes the electrostatic latent image on the image carrier with a developer, and a transferring apparatus 5-5 which transfers a sensible image on the image carrier to the transfer body. An electrometer 5-13 is provided at the circumference of the image carrier 5-2 to detect the potential by electrification on the image carrier. In such a case, the electrometer 5-13 is installed at a position between a development process and a transfer process. The electrometer reads the potential by electrification of the image carrier and the electrical potential of the developer layer.
Patent JP-2002254982-A (JP)
Title: Room illumination lamp
Inventor: OTSUBO TAKAYUKI
IPC: B60Q3/02
Filed: 2001-03-05
Abstract: PROBLEM TO BE SOLVED: To illuminate a ceiling surface ranging from an opening portion of a decorative member covering a room illumination lamp to a far position. SOLUTION: The room illumination lamp 1 covered with the decorative member and arranged near the opening portion 7 of the decorative member 3 provided at the side of a ceiling comprises a light source 6 and a reflection plane 8 for reflecting a light from the light source. The ceiling surface 4 is illuminated with the light emitted from the reflection plane and then emitted from the opening portion by intersecting the opening portion at its vicinity F in the vertical direction.
Patent JP-2002254460-A (JP)
Title: Method for producing copper-clad phenol resin laminated plate and laminated plate produced by the method
Inventor: ITO SHINJI
IPC: B29C43/18
Filed: 2001-03-05
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a laminated plate which has a small difference in warpage of the laminated plate, stable dimensional properties, and stable punching processability and the laminated plate produced by the method. SOLUTION: After a hot plate side unit reaches the highest temperature or a desired temperature, the heating of a hot plate is stopped with the temperature difference between it and a middle side unit kept within 30 deg.C, the temperature of the hot plate is decreased gradually, and the middle side unit is heated by the reserved heat of the hot plate side unit.
Patent JP-2002266463-A (JP)
Title: Wall material
Inventor: MASAWAKI KEIZO
IPC: E04C2/20
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a lightweight wall material excellent in muffling performance, the humidity adjusting function, and heat insulating performance, and having durability. SOLUTION: This wall material is composed of a porous hardening material particle aggregate having a fine continuous pore by bonding spherical resin particles by hardening an O/W type aqueous dispersive body composed of a radical polymerization type thermosetting resin. This wall material is composed of a porous body having an effective pore diameter of 0.1 to 1.0 μm, and porosity of 10 to 40 volume %, and is an aggregate by bonding mutual resin particles in the contact part. The resin particles are put in an easily vibration state, and are excellent in absorption efficiency of vibrational energy, and are excellent in a muffling characteristic of a low frequency not more than 400 Hz.
Patent JP-2002079136-A (JP)
Title: Process for producing recyclable asphalt mixture
Inventor: FUKUI HIROMITSU
IPC: B09B5/00
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a recyclable recycled asphalt mixture production process by which a high recycled material utilization rate such that the waste material content of a produced recycled asphalt mixture is nearly 100% can be obtained and most of the waste material can also be subjected to recycle use as a recycled material and such a recyclable recycled asphalt mixture giving a quality of paving work and a finished state of the pavement equal to those of a new asphalt mixture can be produced. SOLUTION: A raw material consisting of an asphalt waste material is subjected at least once to a crushing stage and a screening stage. Thereafter, the thus treated crushed material is supplied to a crushing equipment for further crushing the crushed material by utilizing striking/colliding actions, or to a grinding equipment for grinding the crushed material by utilizing an ore grinding action to remove pitch existing as coating films on the crushed material. Then the resulting material is supplied to a screening equipment to separate the material into fractions each having grain size of a range different from those of other fractions and the separated fractions are recovered as different kinds of recycled single grain size crushed stone, respectively.  Of these recovered fractions, any fraction having a >=3% oil content is indirectly heated and other fractions are directly heated, and both indirect-heated fractions and the direct-heated fractions are supplied, together with additives, asphalt and a stone powder, to a mixer to mix them together to produce the objective asphalt mixture.
Patent JP-2002269842-A (JP)
Title: Device and method for optical disk marking
Inventor: INOUE TAKASHI
IPC: G11B7/24094
Filed: 2001-03-09
Abstract: PROBLEM TO BE SOLVED: To provide an optical disk marking device capable of surely recording marks to be sequentially written in a separate step and position information of the marks on the same optical disk. SOLUTION: The marking device for feeding a recessed part 5 installed in an optical disk 4 to be processed in a fixed direction and for conveying the optical disk 4 in the recessed part 5 sequentially to a marking means 1, a mark position information detecting means 2 and a mark position writing means 3 is provided with a hole part 27 varied in arrangement from one recessed part 5 to another. A reflective beam sensor 28 is installed such that the position of the recessed part 5 for each feeding operation, and the feeding of the recessed part 5 arranged in the mark position information writing means 3 by one position from the mark position information detecting means 2 of a previous stage are verified. Thus, the conveying mistake of the optical disk 4 from the mark position information detecting means 2 to the mark position information writing means 3 is avoided.
Patent JP-2002269799-A (JP)
Title: Optical head and optical pickup device
Inventor: FUKUDA HIROAKI
IPC: G11B7/135
Filed: 2001-03-09
Abstract: PROBLEM TO BE SOLVED: To solve the problem that in a near field optical probe formed on a glass substrate and having a pyramid-shaped silicon protrusion, it is difficult to change the tapered angle of the probe, since the probe is formed by performing anisotropic etching of a Si substrate, and it is difficult to form a cone shape since a plane corresponding to a crystal orientation remains at the outer shape of the probe. SOLUTION: The near field optical probe 5 is characterized in that it is obtained by forming, on a transparent quartz substrate 2, a plurality of fine protrusions 5' whose tip parts have diameters not larger than the wavelength of incident light and which is made of a silicon nitride film 6 consisting of a material having a refractive index higher than that of the transparent quartz substrate 2 and covering the surfaces of the fine protrusions 5' with a metal thin film 4.