baber/WOPTO huggingface dataset:
Patent JP-2001358339-A (JP)
Title: Semiconductor device having insulated gate bipolar transistor
Inventor: OTSUKI MASATO
IPC: H01L29/78
Filed: 2001-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device having an insulated gate bipolar transistor which has high latch up endurance and operates at a low ON-state voltage in the case of normal mode. SOLUTION: This IGBT 100 is a composite IGBT wherein a first IGBT 1 of a PNP type which has a low threshold voltage VTH1 and a second IGBT 2 of a PNP type which has a high threshold voltage VTH2 are connected in parallel. The threshold voltage VTH2 of the second IGBT 2 is set higher by 1V order as compared with the threshold voltage VTH1 of the first IGBT 1. Since the threshold voltage of the IGBT 100 coincides with the threshold voltage of the first IGBT, the ON-state voltage is not increased. When shortcircuitting is generated in a load, the value of a saturation collector current of the IGBT 100 becomes lower than that of the first IGBT 1, so that the load shortcircuitting endurance of the IGBT 100 is improved.
Patent JP-2002048919-A (JP)
Title: Optical retardation film
Inventor: UCHIYAMA AKIHIKO
IPC: G02F1/1335
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To provide an optical retardation film of which the optical retardation gets smaller when a wavelength for measurement gets shorter while using only one sheet of the film. SOLUTION: The optical retardation film is composed of a sheet of a polymer oriented film utilizing a polymer material containing a liquid crystal and is characterized by having retardation at 450 nm and 550 nm wavelengths satisfying following inequalities R (450)/R (550)<1 and/or K (450)/K (550)<1. (In the inequalities, R (450) and R (550) are retardation in a plane of the polymer oriented film at 450 nm and 550 nm wavelengths respectively and K (450) and K (550) are values calculated with an equation K=[nz-(nx+ny)/2]×d of the polymer oriented film at 450 nm and 550 nm wavelengths respectively (in the equation nx, ny, nz are three dimensional refractive indexes of the polymer oriented film corresponding to refractive indexes in the x-, y-, and z-axes directions respectively and d is film thickness).
Patent JP-2002321153-A (JP)
Title: Method of smoothing metallic member and smoothing tool used therefor
Inventor: ABE MITSURU
IPC: B24B39/02
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To provide a method of smoothing a metallic member with making no use of a polishing machine but with an existing cutter, by means of which smoothing of the cut surface of the metallic member to a degree equivalent to or more than that by polishing can be accomplished, and a smoothing tool used for the purpose. SOLUTION: By pressing the smoothing tool 2 having a smooth tip 3 to the uneven part 11 formed on the cut surface of the metallic member 1a which is kept being held on the cutter 50 after the metallic member 1 has been cut, the convex parts 11a on the above cut surface are mashed so that the cut surface is finished to an almost flush surface.
Patent JP-2002325120-A (JP)
Title: Name card reader, its control method, and computer- readable storage medium with its control program stored
Inventor: NIWA HIKOFUMI
IPC: H04W92/08
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a name card reader that can directly transfer character data of character information read from a name card to a mobile phone. SOLUTION: A image read section 2 of the name card reader 100 reads image data of character information described on a name card inserted to the image read section, an OCR function recognizes the character information of the name card based on the image data, a data storage section stores the character data by items of names and telephone numbers, and a display section 8 displays the character data. The name card reader is also provided with a mobile phone I/F(interface) 11 that transfer data to a mobile phone 12 and the mobile phone I/F 11 can transfer the character data of the character information of the name card stored in the data storage section to the mobile phone 12. A configuration of provision of a personal computer I/F to the name card reader and a configuration of provision of a function of charging up the mobile phone 12 to the mobile phone I/F 11 are also provided.
Patent JP-2002324587-A (JP)
Title: Cylindrical lithium secondary battery
Inventor: KOISHIKAWA YOSHIMASA
IPC: H01M10/05
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a lithium secondary battery which is highly safe, with large capacity and high output. SOLUTION: A cylindrical lithium secondary battery 20 comprises an electrode group 15 in which a positive electrode 2 and a negative electrode 3 are wound through a separator 1, around a hollow cylindrical shaft 14. An extruding amount A (mm) of the separator 1 which is extruding from the end part of the negative electrode 3 to a safety valve 11 side, is set to be A<2B where B (mm) is thermal contraction amount of the separator 1 in width direction at 80 deg.C or above.
Patent JP-2002328465-A (JP)
Title: Original plate of planographic printing plate
Inventor: SHIMADA KAZUTO
IPC: G03F7/004
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a negative original plate of a planographic printing plate capable of direct recording from digital data of a computer or the like by recording with IR emitting solid and semiconductor lasers, not requiring heating after imagewise exposure, excellent in sensitivity in recording and in storage stability and adaptable to a heat mode. SOLUTION: The original plate has a photosensitive layer containing (A) a photothermal converting agent, (B) a thermopolymerizable compound and (C) a compound of the formula R<1> -SO2 -SO2 -R<2> (where R<1> and R<2> are each alkyl, alkenyl or aryl) and capable of recording with an IR laser on a support.
Patent JP-2002329819-A (JP)
Title: Electronic component heating/cooling device
Inventor: IN EIJI
IPC: H01L23/38
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To provide an electronic component heating/cooling device which does not cause such dew condensation that interrupts the setting and measurement of temperatures on the surface of an electronic part even in a low- temperature environment. SOLUTION: The electronic component heating/cooling device has a heat- conductive block 11 which conducts heat to the electronic component S placed on the block 11 in a contacting state, a thermoelectric element 12 which heats/ cools the component S placed on the block 11 in the contacting state through the block 11, a fin 15 which radiates the heat generated from the element 12 placed on the fin 15 in a contacting state. The heating/cooling device also has an air dryer 19 which supplies a gas that prevents the occurrence of dew condensation in the peripheral sections of the component S and block 11 to the internal space of a cover 18 which includes the block 11 and element 12 and isolates the component S from the outside air by covering the upper part of the fin 15.
Patent JP-2002335382-A (JP)
Title: Image processing unit
Inventor: OKANO TOKIYUKI
IPC: G11C11/407
Filed: 2001-05-08
Abstract: PROBLEM TO BE SOLVED: To provide an image processing unit that controls a memory. SOLUTION: The image processing unit is provided with an image memory 2, an image processing section 3, and a data input output I/F 4. The image memory 2 stores image data and the image processing section 3 applies image processing to the stored data and the data input output I/F 4 outputs the image data. When the image processing section 3 and the data input output I/F 4 read the stored image data from the image memory 2 consecutively in the main scanning direction, the image processing section 3 transmits a signal to reserve reading of the image data to the image memory 2. A buffer in the image memory 2 stores read data in advance by the reservation signal to quicken the reading.
Patent JP-2002332631-A (JP)
Title: Ground improvement device
Inventor: HARA MITSUO
IPC: E02D3/12
Filed: 2001-05-08
Abstract: PROBLEM TO BE SOLVED: To efficiently and uniformly knead an excavated soil with a hardener. SOLUTION: An outside stirring vane mounts both ends thereof on an excavation shaft body at the same time, a middle part is formed in an arc-shape swelled outward and, at the same time, the width of a cross section is gradually narrowed toward the end face on the side of the rotational direction from the central part to make the inside as a tapered face.
Patent JP-2002339242-A (JP)
Title: Method for producing recording sheet
Inventor: ARAI KATSUAKI
IPC: B41M5/52
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a recording sheet, by which the recording sheet having good flexibility, good elasticity, and characteristic touch, and develops good recording images can stably be produced. SOLUTION: This method for producing a recording sheet in which a recording layer is disposed on at least one side of a support, is characterized in that the support is a fabric having a breaking elongation of >=5% and further in that the recording layer is disposed on at least one side of the support by the use of a coating device having a device for controlling the lateral contraction of the support. A spun-laced nonwoven fabric is preferably used as the support. An information recording layer is preferably disposed on at least one surface of the support and then subjected to a heat-calendaring treatment.
Patent JP-2002345190-A (JP)
Title: Apparatus having flat coil of high function in stator part
Inventor: KYO SHUNHO
IPC: H02K1/18
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a means which can adjust easily the number of turns of a coil according to needs of an operation work point, and obtain an accurate counter- electromotive force coefficient Ks and an accurate operation work rotational speed range. SOLUTION: This apparatus consists of a stator tooth part and an insulation material. In the tooth part, a tooth surface end 413 exhibits a circular arc surface, a tooth root end 412 is stretched backward from the circular arc surface, a tooth root tail end 414 is stretched further outward from the end of the tooth root end, and the tooth root tail end 414 will not exceed the maximum width of the tooth root end 412. The apparatus is provided with a longitudinal direction vertical post end, exhibiting a T-shape to which a coil of a motor or a generator is fitted externally.  A hollow shape is constituted in the inside, and mutual engagement and release to the stator tooth root end are enabled; the hollow part is provided with a T-shaped line tank base 21 turning to a line tank base hollow end and a flat coil 31, which is formed in a flat line; and the width of the flat line is determined by obtaining a thickness dividing value from (the depth value of the T-shaped line tank base longitudinal direction vertical post)/(the number of turns of the coil which a constant angular velocity needs).
Patent JP-2002344044-A (JP)
Title: High-output optical pulse fiber, optical amplifier, high- output pulse optical source and optical transmission system
Inventor: YOSHIDA MINORU
IPC: G02B6/00
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To provide a high-output optical pulse fiber which restrains nonlinear phenomena from occurring, propagates high output optical pulses, is manufactured easily, and stably outputs single-mode optical pulses. SOLUTION: High-output optical pulse fibers 11, 14, and 15 are made to have a cut-off wavelength λc which is shorter than the wavelength of signal light, and furthermore, the cut-off wavelength λc is set larger than that when the cut-off wavelength of MFD is set equal to the wavelength of the signal light. Especially, when the wavelength of signal light propagating through with respect to EDF is 1.56 μm, the cut-off wavelength λc is set at 0.5 to 0.75 μm.
Patent JP-2002339557-A (JP)
Title: Flooring and manufacturing method therefor
Inventor: NAKAI YASUO
IPC: E04F15/04
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To provide flooring which prevents socks, stockings, etc., from getting runs, etc., because fibers of the socks, the stockings, etc., get snagged on a groove part and which has the groove part with a sense of depth and excellent design properties, and a manufacturing method for the flooring. SOLUTION: In the flooring, a decorative sheet is stuck on a one-side surface of a wood base material, which is provided with at least one groove part. The flooring is characterized as follows: the decorative sheet is stuck in such a manner as to cover an angular part of the groove part in the one-side surface; and a coating layer is formed in the groove part which is not covered with the decorative sheet.
Patent JP-2002343461-A (JP)
Title: Electrical connector and manufacturing method therefor
Inventor: SEKIGUCHI TORU
IPC: H05K3/32
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide an electrical connector capable of surely stably ensuring electrical continuity, even if compression load is small. SOLUTION: Through-holes 1a are installed formed in a line in the length and width directions in an insulation sheet 1 serving as a base material for the electrical connector 10, and a through-hole electrode 1b, on which a gold plated layer 4 is formed, is formed on the surface the inside which a conductive paste 3 is filled. A hemispherical elastic body 2 is arranged, so as to cover the through-hole electrodes 1b on both surfaces. A large amount of conductive fine particles 2a are included in the elastic body 2. When interposed between upper and lower electrodes of an electronic component and a circuit board, the elastic body 2 is bent and pressure contacted with the upper and lower electrodes to establish electrical continuity.
Patent JP-2002344897-A (JP)
Title: Video display device
Inventor: KUWABARA NAOKI
IPC: H04N5/765
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To obtain a video display device capable of deciding that a video is not displayed on a screen resulting from no existence of video data and preventing useless time from being spent by keeping observing a section with no video data without knowing that the video data do not exist. SOLUTION: A first display means 21 for synchronously reproducing many pieces of camera video data 10 photographed by a plurality of cameras and subjected to time synchronization with one another on the basis of photographing times, and a second display means 22 for displaying time sections of the video data photographed with the respective cameras are provided, and the first and second display means are interlocked with each other.
Patent JP-2002337378-A (JP)
Title: Equipment and method for checking head of thermal printer
Inventor: ABE KEIICHI
IPC: B41J2/35
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To provide an equipment and a method for checking the head of a thermal printer in which disconnection of heating elements is checked and the print quality can be guaranteed depending on a human readable print or a machine readable print, e.g. a bar code, even if a heating element is disconnected while eliminating the waste in cost. SOLUTION: While taking account of the fact that some degree of print quality can be guaranteed by setting the number of disconnecting lines through head check and an error is required to be displayed only when the set value is exceeded, the number of disconnected heating elements in a thermal head is detected and counted, and an error signal is delivered when the number of disconnected heating elements exceeds a specified set value.
Patent JP-2002339050-A (JP)
Title: Method for manufacturing extra-fine wire
Inventor: MATSUI RYO
IPC: C22F1/00
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing extra-fine wire by which kinds of hard extra-fine copper or copper-alloy wire can be prevented. SOLUTION: In the method for manufacturing the extra-fine wire where metal wire is heat treated after wire drawing, the heat treatment is carried out so that the tensile strength and electric conductivity of the metal wire satisfy inequalities 0.95T0 <=T<=1.05T0 and 1.00R0 <R<=1.10R0 (wherein, T0 is tensile strength (MPa) before the heat treatment; T is tensile strength (MPa) after the heat treatment, R0 is electric conductivity (%IACS) before the heat treatment; and R is electric conductivity (%IACS) after the heat treatment).
Patent JP-2002343028-A (JP)
Title: Information encoder, method and program for encoding information, recording medium with the program recorded thereon, information reproducing device, method and program for reproducing information and recording medium with the program recorded thereon
Inventor: ENDO KATSUHIRO
IPC: G11B7/0065
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To provide an information recorder, etc., which can code the information to be recorded two-dimensionally and with higher information density. SOLUTION: An input information dividing means 11 divides input information consisting of arranged bits into each information bit by making 2 bits as the information bit. A recording bit string generating means 12 and a basic block generating means 13 generate a coded block of 2×2 bits in which only bit correlated to the value of the information bit is set to 1 among the 2×2 coded blocks as a basic block, based on the information bit. An expansion basic block generating means 14 generates a coded block of 3×3 bits in which only the bit located in a position being 1 when the basic block is arranged in one predetermined corner is set to 1 among the 3×3 coded blocks as an expansion basic block for each generated basic block.  A recorded image generating means 15 arranged each generated expansion basic block in the predetermined recording area according to the order of the information bit in the input information.
Patent JP-2002341661-A (JP)
Title: Image forming device
Inventor: MATSUMOTO KENTARO
IPC: G03G15/08
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device capable of forming an image of stable quality by reducing a load torque applied on the initial drive of a toner carrying member in a toner storing part and maintaining a stable toner supply. SOLUTION: A developing device 21 mounted on the image forming device is provided with a developer carrier 3, a 1st control member 4 and a 2nd control member 6 for controlling the quantity of developer, a developer storing part 13 for storing the developer, and a toner storing part 11 for supplying the toner 8 to the developer carrier 3, and the toner carrying member 7 in the toner storing part 11 is stopped so as to be positioned in a nearly vertical state after the end of forming the image. Thus, the load torque applied on the initial drive of the toner carrying member 7 is reduced.
Patent JP-2002342396-A (JP)
Title: Automatic floor plan system for semiconductor integrated circuit, floor plan method therefor, and computer program therefor
Inventor: OKAMOTO TAKUMI
IPC: G06F17/50
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To enable to design an optimal block set configuration and floor plan therefor in logical and physical views by organically merging the generation (logic circuit division) of blocks for floor plan and that floor plan (physical provision). SOLUTION: A logic hierarchical structure tree is generated by extracting a logic hierarchical structure from an inputted design object circuit. Next, an initial block set is generated by respectively collecting the sets of gates included in the least significant logic hierarchy of the logic hierarchical structure tree into one block, and the rough initial floor plan of the initial block set is performed. Next, a new block set is generated by respectively collecting the sets of initial blocks proximately located in the initial rough floor plan. Next, the initial floor plan solution of the newly generated block set is generated. Finally, the final floor plan (block locating position or form determination) is performed by successively improving the initial floor plan.
Patent JP-2002340887-A (JP)
Title: Cleaning degree detection method for recycling resin piece
Inventor: SHIMIZU YOSHIHIRO
IPC: G01N33/44
Filed: 2001-05-21
Abstract: PROBLEM TO BE SOLVED: To provide a simple method for detecting a cleaning degree in cleaning a resin piece for its recycling. SOLUTION: In formation of a testpiece, a cleaned resin piece is used as a material for molding the testpiece. A tensile force is applied to the testpiece to tear it, and according an expansion degree produced in the broken testpiece, the cleaning degree is detected. When a resin with high ductility such as polypropylene is tested, high-speed tensile force is applied so that brittleness appears.
Patent JP-2002344315-A (JP)
Title: Rubidium atomic oscillator
Inventor: SUZUKI HIROSHI
IPC: H01S1/06
Filed: 2001-05-21
Abstract: PROBLEM TO BE SOLVED: To provide a Rb atomic oscillator having a reduced peak current required for a rapid rise and required mechanism components suppressed from enlarging. SOLUTION: In the rubidium atomic oscillator, a part of a lamp house therein is raised locally to high temperatures by semiconductor elements (heating elements such as TR and three-terminal regulator) in the prior art and the temperature is monitored to control the heating temperature of the semiconductor, thereby keeping a Rb lamp settled in the lamp house at a constant temperature of about 100 deg.C. This oscillator comprises a filmy heater using a semiconductor, instead of the semiconductor elements at the heater part.
Patent JP-2002350272-A (JP)
Title: Tire dynamic balancing device
Inventor: MATSUMOTO SHIGERU
IPC: G01M17/02
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a dynamic balancing device capable of more accurately measuring a dynamic balance of a tire from a change in a vibration condition and the like when a tire is rotated. SOLUTION: By means of a piezoelectric element arranged in contact with a spindle housing surface, an exciting force is measured. The tire and the spindle are rotationally driven by means of a rotation drum rotating while perpendicularly pressing the tire with a first pressing load in the predetermined direction to the rotational axis of the spindle. In this way, the dynamic balance can be measured more accurately. When the first pressing load is set to 40-60 kgf, more accurate measurement can be carried out.
Patent JP-2002350571-A (JP)
Title: Wristwatch
Inventor: KANEKO HIROSHI
IPC: G04G99/00
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a wristwatch which prevents a switching device from being damaged even when the switching device is installed on the side of a band so that a wristwatch body is miniaturized and that a mounting space inside the wristwatch body is widened and which obtains a stable switching operation. SOLUTION: A component housing part 10 composed of a rigid synthetic resin is installed near a connection part to a watch band 3 on the side of six o'clock at least in a watch band 2 on the side of 12 o'clock from among a pair of watch bands 2, 3 attached to the wristwatch body 1. A plurality of pushbutton switches 23 are installed on both side faces along the longitudinal direction of the watch band 2 in the part 10. Consequently, when the pair of watch bands 2, 3 are curved so as to mount the wristwatch body 1 on an arm, the part 10 is not deformed. Even when the pushbutton switches 23 are installed on the side of the watch band 2, the pushbutton switches 23 are not damaged, the stable switching operation is obtained, the wristwatch body 1 can be miniaturized, and the mounting space inside the wristwatch body 1 can be widened.