baber/WOPTO huggingface dataset:
Patent JP-2003258578-A (JP)
Title: Reception unit
Inventor: SUZUKI TAKEO
IPC: H03G3/10
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reception unit of which the manufacturing cost can be decreased by simplifying the configuration of an inverse automatic gain control amplifier 14 for an intermediate frequency signal and an inverse automatic gain control voltage generating section 13 placed at a pre-stage of a signal strength detection section.  <P>SOLUTION: The reception unit includes: a high frequency automatic gain control amplifier 3 the amplifier gain of a high frequency signal of which is controlled by an automatic gain control voltage; a first frequency conversion stage 4 for applying frequency conversion of an output high frequency signal from the amplifier 3 into an intermediate frequency signal; a second frequency conversion stage 7 for applying frequency conversion of the intermediate frequency signal into a base band signal; the inverse automatic gain control voltage generating section 13 for generating the inverse automatic gain control voltage with respect to the automatic gain control voltage; the inverse automatic gain control amplifier 14 the amplifier gain of the intermediate frequency signal of which is controlled by the inverse automatic gain control voltage; and signal strength detection sections 15, 16 for generating a signal strength detection signal from the intermediate frequency signal outputted from the amplifier 14, and the inverse automatic gain control voltage generating section 13 comprises a common emitter transistor having an emitter resistor and a common collector transistor directly coupled to the common emitter transistor.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003263306-A (JP)
Title: Information storage media, printed matter for storing information storage media and manufacturing method therefor, and print data editing system and method
Inventor: SAITO KAZUO
IPC: G06Q50/04
Filed: 2002-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system allowing a user to upload contents for layout and request the output of the contents into desired printed matter such as books, while at the same time performing a billing process and allowing easy reorders.  <P>SOLUTION: The system includes a user database for storing registration data about users, a contents database for storing data that constitute printed matter, a template database for letting users select and designate the layout templates of the printed matter, and a bill information management database for managing information about the use and purchase of users. The contents data, the layout templates, and output designation information are stored and the data constituting the output printed matter are stored and managed in association with the registration data about the users.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002355997-A (JP)
Title: Method and material for forming multicolor image
Inventor: SHIMOMURA TERUHIRO
IPC: B41M5/40
Filed: 2002-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a method for forming multicolor images whereby images having a good image quality, a stable transfer density and a good approximation of printed matter can be formed on an image-receiving sheet. SOLUTION: In the method for forming multicolor images, the image-receiving sheet having at least an image-receiving layer on a support, and at least four kinds or more different color thermal transfer sheets each having at least a photothermal conversion layer and an imaging layer on a support are used. While the imaging layer of each thermal transfer sheet and the image-receiving layer of the image-receiving sheet are overlapped to be opposed to each other and irradiated with a laser light to transfer the imaging layer of a laser- irradiated region onto the image-receiving layer of the image-receiving sheet, whereby images are recorded.  An OD/film thickness ratio between an optical density(OD) and a film thickness (by a unit of μ) of the imaging layer of each thermal transfer sheet is made not smaller than 1.50, and a resolution of transfer images is made not smaller than 2400 dpi. Moreover, thermal transfer images are passed through a color matching process before recorded to the image- receiving sheet.
Patent JP-2003260793-A (JP)
Title: Driving method for inkjet recording head
Inventor: YAZAKI SHIRO
IPC: B41J2/045
Filed: 2002-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a driving method for an inkjet recording head which can discharge minute ink drops and realize high-speed printing.  <P>SOLUTION: In the driving method for the inkjet recording head for discharging ink drops from nozzle openings by driving piezoelectric elements additionally set at pressure generation chambers which communicate with the nozzle openings and thereby expanding or contracting the pressure generation chambers, a piezoelectric layer which constitutes the piezoelectric elements has characteristics whereby a piezoelectric strain generated in the piezoelectric layer is inverted in its direction in the vicinity of a coercive electric field. Minute ink drops are discharged by impressing a discharge driving signal 60 to the piezoelectric elements which has a potential rise process 61 for continuously changing a potential from an initial potential V2 as a minus potential lower than a potential V1 generated by the coercive electric field of the piezoelectric layer to a discharge potential V3 as a plus potential for contracting the pressure generation chambers to discharge ink drops.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003262953-A (JP)
Title: Lithographic printing original plate
Inventor: SASAKI FUMIHIKO
IPC: C09K3/00
Filed: 2002-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lithographic printing original plate having high recording sensitivity and excellent printing durability (the number of sheets printable) which is directly recordable from digital data of a computer or the like by recording by using a solid laser emitting IR rays or a semiconductor laser.  <P>SOLUTION: The plate has an image recording layer containing an IR absorbent expressed by general formula (I) on a hydrophilic supporting body and is recordable with IR laser light. In general formula (I), R<SP>1</SP>and R<SP>2</SP>may be mutually the same or different and each represents an aliphatic group, an aromatic group or a heterocyclic group and M represents Ni, Pd or Pt.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003268484-A (JP)
Title: Steel plate with little welding distortion
Inventor: SHIRAHATA HIROYUKI
IPC: C22C38/00
Filed: 2002-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a steel plate which is used in shipbuilding, marine structures, architecture, bridges, civil engineering works, etc., and exhibits little welding distortion in welding work; and high-yield-point high-tensile steel for a welded structure of which the welding distortion is reduced or prevented from occurring.  <P>SOLUTION: This steel plate comprises 0.05-0.20 mass% C, 0.05-0.50 mass% Si, 0.6-1.6 mass% Mn, 0.025 mass% or lower P, 0.010 mass% or lower S, 0.005-0.050 mass% Al, 0.0010-0.0080 mass% N, and the balance being Fe and unavoidable impurities, has microstructures consisting of 20 area% or higher bainite and/or martensite structures of an average particle size of 20 μm or lower and ferrite and/or pearlite structures of an average particle size of 20 μm or lower, and contains 0.1-10 area% carbo-nitride of an average particle size of 0.2 μm or lower.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003004357-A (JP)
Title: Steel belt type cooler
Inventor: YOKOYAMA KOICHI
IPC: F25D13/00
Filed: 2002-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a steel belt type cooler capable of cooling a material efficiently and also simplifying cleaning of a machine, by combining a steel belt with a cooling drum so that space is saved. SOLUTION: In the steel belt type cooler comprising the steel belt 4 stretched between pulleys 2 and 3 and the cooling drum 1 being in contact with the steel belt 4, the pulleys 2 and 3 are disposed so that the angle of contact of the steel belt 4 with the cooling drum 1 is 180 degrees or more, while the cooler is constituted so that the back sides of the steel belt 4 and the cooling drum 1 are cooled.
Patent JP-2003271523-A (JP)
Title: Electronic mail transmitter-receiver
Inventor: OTA KAORU
IPC: G06F13/00
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic mail transmitter-receiver, enabling transmission and receiving of a mail to and from application having a mail transmit- receive function on an arbitrary header rule without remodeling an arbitrary application having a mail transmit-receive function.  <P>SOLUTION: This electronic mail transmitter-receiver includes a transmitted mail analysis part 11 for analyzing the header part of a mail originated by an arbitrary application having a mail transmit-receive function, a transmit mail creating part 12 for correcting the transmit mail according to the header rule of a mail transmitter-receiver at the other end of line, a received mail analysis part 15 for analyzing the header part of the received mail, a received mail creating part 16 for correcting the received mail to a mail to be recognized by the concerned application, and a mail transmit-receive part 14 for controlling transmission and receiving of the mail.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003266989-A (JP)
Title: Writing instrument with cap
Inventor: SAITO MITSUKI
IPC: B43K23/08
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To structurally allow a fitting assisting member to be firmly and easily mounted on a cap body by arranging the fitting assisting member in the cap body.  <P>SOLUTION: Characteristically, an external thread part is formed on the outer peripheral surface of the cylindrical fitting assisting member; an elastically deformable protrusive piece-shaped elastic part is formed at one end; the internal thread part is formed on the inner peripheral surface at the opening-side end of the cap body; and a cap, which is constituted by fixing the fitting assisting member to the cap body by screw-fitting so that the elastic part can be located on the other side of the opening of the cap body, is mounted on a writing instrument body by embracing the writing instrument body with the elastic part of the fitting assisting part.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003268562-A (JP)
Title: Treatment solution for forming black, hexavalent chromium-free chemical conversion coating on galvanizing and galvannealing, and method for forming black, hexavalent chromium-free chemical conversion coating on galvanizing and galvannealing
Inventor: INOUE MANABU
IPC: C23C22/10
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a treatment method for forming a black, hexavalent chromium- free chemical conversion coating having corrosion resistance equal to or larger than that of the conventional hexavalent chromium-containing coating on galvanizing and galvannealing.  <P>SOLUTION: The treatment solution is used for forming a black, hexavalanet chromium-free coating on galvanizing and galvannealing. In the treatment solution, the molar ratio between nitric ions and tervalent chromium (NO<SP>3-</SP>/Cr<SP>3+</SP>) is <0.5, and the tervalent chromium is present in the form of a water soluble complex with a chelating agent. The treatment solution contains cobalt ions and/or nickel ions, and the cobalt ions and/or nickel ions form a hardly soluble metal salt with the chelating agent, and are stably present in the treatment solution without undergoing precipitation. When galvanizing and galvannealing are brought into contact with the treatment solution, the treatment solution is reacted with zinc, so that a black, hexavalent chromium-free chemical conversion coating containing the zinc, chromium, cobalt and/or nickel, and chelating agent is formed on the galvanizing and galvannealing.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003273953-A (JP)
Title: Communication terminal and communication system
Inventor: TANAKA TAKAHIRO
IPC: H04L29/06
Filed: 2002-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a communication terminal that enables data communication with the opposite communication terminal by automatically selecting one protocol among a plurality of protocols.  <P>SOLUTION: The communication terminal 1 with a plurality of the protocols has data communication means 7, 10 that perform the data communication by one of a plurality of the protocols, a protocol switching means 11 that switches protocols to be used, communication terminal detection means 6, 9 that detect the communication terminal by using the protocols and a timer 2 that informs elapse of fixed time.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003268703-A (JP)
Title: Repair structure and repair device for bolt tightened part in railroad rail
Inventor: SHIBANO YOSHIICHI
IPC: E01B9/48
Filed: 2002-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a repair structure and a repair device for a bolt tightened part in a railroad rail repairable by replacing the damaged bolt tightened part 4 by re-using an existing sleeper 3 without removal or replacement and capable of shortening a working time and performing a work at good timing even if portions requiring a repair in a line occur unspecified and dispersedly in a wide range.  <P>SOLUTION: An anchor hole drilling drill 5 is installed in the repair device 1 running on a unit rail 2, and swung relative to a bolt tightened part 4 buried in the sleeper 3 laterally disposed, as necessary, on the lower side of the rail. The circumferential area including the outer periphery of the bolt tightened part is hollowed out in cylindrical shape and anchor holes are 302 are drilled in the sleeper 3. Chemical material is filled in the anchor holes 302 and anchors are buried therein. Thus, the damaged bolt tightened part 4 can be repaired, by replacement, while the repair device 1 is running.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003055741-A (JP)
Title: Oil tempered steel wire for cold formed coil spring
Inventor: YOSHIKAWA HIDETOSHI
IPC: C22C38/00
Filed: 2002-03-18
Abstract: PROBLEM TO BE SOLVED: To provide an oil tempered steel wire for a cold formed coil spring which has performance equal to or above that of a hot formed coil spring, and to provide a cold formed spring using the same wire. SOLUTION: Steel containing, by weight, 0.35 to 0.55% C, 1.8 to 3.0% Si, 0.5 to 1.5% Mn, 0.5 to 3.0% Ni and 0.1 to 1.5% Cr is used as the stock. The fraction of ferrite in the steel sheet of the stock is controlled to <=50%, and the hot rolled wire rod is subjected to cold wire drawing at a prescribed reduction of area. After that, heat treatment by high-frequency induction heating is performed thereto. Desirably, the maximum heating temperature is controlled to 900 to 1,020 deg.C (more desirably, to 950 deg.C), and the holding time is controlled to 5 to 20 sec. As the stock after oil tempering treatment, desirably, the crystal grain size number is controlled to >=9, and its tensile strength is controlled to 1,830 to 1,980 MPa.
Patent JP-2003268001-A (JP)
Title: Cellulose ester and method for producing the same
Inventor: MATSUMURA HIROYUKI
IPC: C08B3/22
Filed: 2002-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a cellulose ester having high releasability from a support and high spinnability and to obtain a method for producing the cellulose ester and to obtain the molded product of the compound.  <P>SOLUTION: The carboxyl groups of a raw material cellulose or a cellulose ester produced by acylation of the cellulose are blocked to produce the cellulose ester reduced in carboxy group concentration. The carboxy group concentration of the cellulose ester is e.g. ≤1 meq/100 g expressed in terms of cellulose. The molded product such as a film or a fiber can be formed by using the cellulose ester.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003272225-A (JP)
Title: Apparatus and method for evaluating optical pickup adjustment
Inventor: HIRAI KAZUMASA
IPC: G11B7/22
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To consistently carry out by using a single apparatus, work from the adjust ment to the evaluation of various kinds of items including an inclination adjustment for bringing out necessary and sufficient performance of an optical pickup, and to carry out the centralized data management of an adjustment result and an evaluation result.  <P>SOLUTION: An optical pickup to be incorporated in an optical disk unit is removably attached as a separate item to an apparatus for evaluating optical pickup adjustment. In the apparatus for evaluating optical pickup adjustment, the identification number of the optical pickup is recognized and stored into a data storage part 12, optical power measured by an optical power measuring part 8 is adjusted, an inclination adjustment part 10 adjusts the inclination of the optical pickup in a tangential direction and a radial direction, a circuit adjustment part 13 optimally adjusts the signal input and output characteristics of the optical pickup, a control part 14 evaluates reading and writing performance for a plurality of recording media after the adjustment, and stores optical power adjusted values, inclination adjusted values, circuit adjusted values and evaluation values which are obtained by the adjustment, by making them correspond to the identification numbers stored in the data storage part 12.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003278507-A (JP)
Title: Method for effectively utilizing exhaust heat in gas turbine plant
Inventor: YOKOI MASAMI
IPC: F02C6/18
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for effectively utilizing gas turbine exhaust heat in a gas turbine plant which utilizes exhaust heat from a gas turbine more effectively than ever at low cost.  <P>SOLUTION: The method, effectively utilizing exhaust heat in a gas turbine plant equipped with a gas turbine 1 and a steam generator 3 for generating steam by utilizing exhaust heat from the gas turbine 1, provides the first pressure steam generated by the steam generator 3 to other equipment I or a device II except the gas turbine 3, and provides second pressure steam different from the first pressure to gas turbine 3 from the outside of the gas turbine 3 and the steam generator 3. The second pressure may be set to be smaller than the first one.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003018297-A (JP)
Title: Method for providing local area information and its system
Inventor: MARUYAMA TERUYOSHI
IPC: H04M3/493
Filed: 2002-03-22
Abstract: PROBLEM TO BE SOLVED: To provide a method for providing real-time and useful local area information and its system by collecting information closely related to a local area. SOLUTION: An information user 4 request desired local information to an information providing client 3. This request is distributed to an area information database 1 through a network 2 and required local area information is provided to the user 4 through the network 2. The database 1 has the local area information recorded therein by layer structure by each class. The local area information is collected at the place by an information collector 6 and transmitted through a mobile terminal 7 and information waves 29. The local area information is also added with GIS and GPS information to improve precision and reliability.
Patent JP-2003283594-A (JP)
Title: Testing device for communication protocol
Inventor: OGISHI TOMOHIKO
IPC: H04L69/40
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a testing device for a communication protocol with which an internal variable on the communication protocol of a device to be tested is estimated and the communication protocol is evaluated on the basis of the estimated result.  <P>SOLUTION: In the testing device for the communication protocol with which data are exchanged by communicating with the device to be tested and the communication protocol packaged in the device to be tested is evaluated, the testing device is provided with an estimation means for estimating the internal variable on the communication protocol of the device to be tested, and an evaluation means for evaluating the communication protocol of the device to be tested on the basis of the estimated internal variable. The estimation means estimates the internal variable on the basis of data transmitted from the device to be tested to the testing device and data transmitted from the testing device to the device to be tested.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003278438-A (JP)
Title: Bracing and fixing structure in hanging-down type sliding door
Inventor: KOYAMA TSUGINAKA
IPC: E05F7/04
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure enabling bracing and fixing of a sliding door having such a style that it is hund down right under the a rail to make it transfer thereunder.  <P>SOLUTION: A magnet 3 retractable from one end face of either door 1 or frame body 2 is arranged at one side of either door 1 or frame body and an adsorptive plate 4 is arranged at the other end face. When the end face of the door 1 approaches the end face of the frame body 2 in accordance with the closing door 1, the magnet 3 arranged in either door 1 or frame body 2 is attracted to the opposite adsorptive plate 4 and protrudes from the end face and the door 1 is fixed to the frame body 2 by the attractive force. Hence, the door 1 is prevented from shifting to either right hand or left hand. The door 1 is firmly stuck to the frame body 2 by the attraction force of the magnet 3 and the adsorptive plate 4.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003277009-A (JP)
Title: Membrane reactor
Inventor: NAGAYA SHIGEO
IPC: B01D53/22
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a membrane reactor for obtaining synthesis gas having about 2 H<SB>2</SB>/CO molar ratio while avoiding that the size of a plant is made larger and the cost is increased.  <P>SOLUTION: This membrane reactor contains a main body 1, a first region 3 which is formed in the body 1, has a gas supplying port 4 and a discharge port 5 and is divided by a partition wall containing a tube-structured part 2 at least a part of that is formed by using an oxygen-permeable membrane and a second region 6 which is also formed in the body 1, has a gas supplying port 7 and a discharge port 8 and is separated from the region 3 by the partition wall. This apparatus is constituted so that the oxygen, which is contained in the oxygen-containing gas to be supplied to one of the regions 3 and 6, permeated through the oxygen-permeable membrane and made to flow in the other of the regions 3 and 6 can be reacted with the gaseous raw material to be supplied to the other of the regions 3 and 6 together with steam.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003282864-A (JP)
Title: Method for manufacturing schottky barrier diode
Inventor: AKINO MASARU
IPC: H01L29/872
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that a small forward voltage VF is desired as a SBD element for a low power consumption, and methods for reducing the forward voltage VF contain a technique for adopting a barrier metal layer 4 having a small work function ΦB, a method for increasing an impurity concentration of an epitaxial layer 2, or the like, and accordingly an increase in a Schottky contact area is an effective means, but an increase in the contact area leads to an increase in a chip area, thereby causing drawbacks of leading to high cost.  <P>SOLUTION: In a Schottky barrier diode, a metal layer for forming a Shottky barrier is provided on a surface of a silicon layer, and a surface of the metal is coated with an electrode material. A plurality of steps are provided on the surface of the silicon layer to increase an area of a Schottky contact.  <P>COPYRIGHT: (C)2004,JPO