baber/WOPTO huggingface dataset:
Patent JP-2002303794-A (JP)
Title: Image formation optical system
Inventor: TAKAHASHI KOICHI
IPC: G03B13/02
Filed: 2002-02-08
Abstract: PROBLEM TO BE SOLVED: To provide an image formation optical system such as the finder optical system of a camera which can form a clear image with a wide angle of field, has nearly no decrease in the lightness of the image, and is very small- sized and lightweight. SOLUTION: The image formation optical system which has a stop D and forms an object image has at least three surfaces; and the space formed of the three surfaces is filled with a medium whose refractive index is >=1 and composed of an eccentric optical element which is composed of a 1st surface as a refracting surface, a 2nd surface as an internal reflecting surface and a refracting surface which is arranged eccentrically with or slantingly to the optical axis, and a 3rd surface as a reflecting surface which faces the 2nd surface and has positive power in order from the stop D to the object image so that the internal reflection of the 2nd surface is total reflection; and at least one of the 1st, 2nd, and 3rd surfaces is a rotationally asymmetirical and aspherical surface which corrects eccentric aberration.
Patent JP-2003234239-A (JP)
Title: Outside electrode manufacturing method for electronic component
Inventor: TAKASHIMA HIROAKI
IPC: H01G4/30
Filed: 2002-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an outside electrode manufacturing method of a laminated electronic component for improving a shape of an outside electrode in a coating or drying process or the like of a paste-like electrode material quickly.  <P>SOLUTION: The laminated electronic component is composed of a laminated body (chip body part 3) obtained by alternately laminating an inside electrode 1 and a dielectric layer (dielectric porcelain layer 2), and the outside electrode 4 formed on a vertical end face of the inside electrode in the laminated body. In order to form the outside electrode, gas 8 is blown toward the end face 3a when the paste-like electrode material 6 is applied and dried on the end face 3a, and a thickness of the paste-like electrode material 6 becomes uniform by wind pressure of the gas 8. Thus, the shape of the outside electrode can be improved in the coating or drying process of the paste-like electrode material quickly, thereby productivity of the outside electrode is improved and plating adhesion of the electrode material is good, and soldering adhesion of the outside electrode is improved.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003240410-A (JP)
Title: Cooling apparatus
Inventor: ISHIKAWA MASAMICHI
IPC: F25D19/00
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cooling apparatus which detachably holds a filter for a condenser with a simple construction.  <P>SOLUTION: The apparatus comprises a compressor, the condenser 14 and a fan 16 for the condenser arranged on a unit base 13. The apparatus has a fan case 3 forming an air passage leading to the condenser fan through the condenser, an upward wall 31 formed by bending of the unit base lying on an air inlet side of the condenser, a downward flange 36 formed on an upper edge of the fan case lying on the air inlet side of the condenser, the filter 24 provided on the air inlet side of the condenser, and gaps G1, G2 formed between the downward flange, the upward wall and the air inlet side of the condenser for detachable insertion of upper and lower ends of the filter. The filter is held along the air inlet side of the condenser with the upper and lower ends inserted in the respective gaps.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003241104-A (JP)
Title: Edge inspecting device
Inventor: HIMENO KAZUKO
IPC: G01B11/24
Filed: 2002-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an edge inspecting device which is suitably used to check the whetting extent, whetting angle, raising extent, shape, etc., of an edge of a small instrument for, specially, dental treatment.  <P>SOLUTION: The device is equipped with a guide member 7 which is provided on a base board 4 and supports an edge 1f of an object 1 to be inspected or its edge circumference 1b, a magnifier 8 which is supported on the base board 4 and arranged above the guide member 7 to magnify the edge 1f, and a lighting means 11 which is supported on the base board 4 and lighten up the edge 1f.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003241097-A (JP)
Title: High variable power ratio zoom lens
Inventor: YAMADA YASUHARU
IPC: G02B15/20
Filed: 2002-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high variable power ratio zoom lens which is a four- group zoom system, that is, positive, negative, positive and positive groups, whose photographic viewing angle at a wide angle end is about 75 degrees, whose f-number at the wide angle end is about 3 to 4, whose f-number at a telephoto end is about 6 to 7, whose variable power ratio is about 10, and which is made small in size and light in weight.  <P>SOLUTION: The variable power ratio zoom lens has a 1st lens group having positive refractive power, a 2nd lens group having negative refractive power, a 3rd lens group having positive refractive power and a 4th lens group having positive refractive power in order from an object side. In the case of varying power from the wide angle end to the telephoto end, space between the 1st and the 2nd lens groups is widened, space between the 2nd and the 3rd lens groups is narrowed and space between the 3rd and the 4th lens groups is narrowed, and the 1st, the 3rd and the 4th lens groups are moved toward the object. In the case of focusing, only the 2nd lens group is moved. Then, the zoom lens satisfies a specified condition.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003249810-A (JP)
Title: Multi-frequency antenna
Inventor: KOMUKAI YASUFUMI
IPC: H01Q5/10
Filed: 2002-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-frequency antenna which can be embedded in a housing of radio transmitter and resonated at a plurality of frequency bands.  <P>SOLUTION: Conductive antenna patterns 1a and 1b, divided into two, are formed on a mounting substrate 100 comprising a portable radio transmitter. Each one end of the patterns 1a and 1b is connected with chip component mounting lands 2a and 2b, a reactance component 4 is mounted on the mounting lands 2a and 2b. As a result of this configuration, a multi-frequency antenna which is embedded in the portable radio transmitter and resonated at a plurality of frequency bands is achieved, and the mounting substrate and the antenna of the portable transmitter can be formed in one piece.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003250277-A (JP)
Title: 3-phase power convertor
Inventor: NAGAI SHINICHIRO
IPC: H02M7/48
Filed: 2002-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem of difficulty in soft-switching of a main switch for an inverter circuit with a simple circuit.  <P>SOLUTION: A 3-phase conversion circuit 4 is connected between first and second DC terminals 2 and 3 and first, second, and third AC terminals 5, 6, and 7. The conversion circuit 4 comprises a 3-phase bridge circuit of first - sixth main switches S<SB>1</SB>-S<SB>6</SB>and first - sixth capacitors Cu-Cz connected in parallel to the first - sixth switches S<SB>1</SB>-S<SB>6</SB>. The first - sixth switches S<SB>1</SB>-S<SB>6</SB>incorporate first - sixth main diodes Du-Dz. A bridge circuit 19 of first - sixth auxiliary switches Q<SB>1</SB>-Q<SB>6</SB>is connected to connection points A<SB>1</SB>, A<SB>2</SB>, and A<SB>3</SB>of a bridge 3 of the conversion circuit 4 through first, second, and third auxiliary reactors Lu, Lv, and Lw. First - sixth auxiliary switches Q<SB>1</SB>-Q<SB>6</SB>are turned on/off so that voltages are made to be zero before the first - sixth main switches Q<SB>1</SB>-Q<SB>6</SB>are turned on/off.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003246567-A (JP)
Title: Balance weight for elevator
Inventor: NAKANO YASUSHI
IPC: B66B3/00
Filed: 2002-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To set up an advertisement means on a balance weight, so that the advertisement means is conspicuous from the outside of a hoistway even during the day.  <P>SOLUTION: A transparent opening portion is disposed to the hoistway of an elevator, and the balance weight 7 is arranged on a side facing the transparent opening portion. In the advertisement means in the balance weight 7, a sign 9 indicating advertisement information that is conspicuous in an environment high in intensity of sunlight during the day is detachably attached to a face facing the transparent opening portion of the balance weight 7. In this case, the advertisement information in the sign 9 may be indicated by using a three-dimensional monument, the sign may be provided with an working portion having a working part, or the sign may be constituted of a display. Further, the balance weight may be made in a shape having a function as the advertisement.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002320020-A (JP)
Title: Memo set attached to mobile phone
Inventor: TAKASU TOMOJI
IPC: H04M1/02
Filed: 2002-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a convenient writing tool by which a user can immediately take a memorandum when a mobile phone suddenly receives a phone call from an opposite party. SOLUTION: The memo set is characterized by that a memo pad (1) and a small-sized pen (4) whose size is matched with a flat part behind the phone (2) can be set to the mobile phone (2) itself by using an adhesive (3), a clip (7) and a metallic fixture (10) or the like.
Patent JP-2003248224-A (JP)
Title: Liquid crystal display device
Inventor: YAMAKITA HIROFUMI
IPC: G02F1/1333
Filed: 2002-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thin liquid crystal display device on which uneven brightness is hardly generated even when pressure is applied thereto from the outside.  <P>SOLUTION: In the liquid crystal display device a liquid crystal panel 1 is supported and fixed by a supporting member 4 at the periphery and a light transmission plate 3 is inserted into the inside of the supporting member 4 and fixed. An upper surface of the light transmission plate 3 has a shape protruding to the liquid crystal panel 1 side and a vertex of the protrusion of the light transmission plate 3 is made to be a point of contact 3a which comes into contact with the liquid crystal panel 1 at the center part thereof. The vertex of the protrusion of the light transmission plate 3 has a shape of a spherical surface whose curvature radius R is made to be larger than at least a length V of the liquid crystal panel 1 in the short edge direction. The distance between the light transmission plate 3 and the liquid crystal panel 1 has a specified space to a great extent except for the center part of the liquid crystal panel 1.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003113938-A (JP)
Title: Error preventing structure in reverse operation for manual transmission
Inventor: KUMAGAI TOSHIJI
IPC: F16H63/36
Filed: 2002-02-27
Abstract: PROBLEM TO BE SOLVED: To improve a recognition when selecting a reverse transmission stage, and prevent an erroneous operation to a side of a reverse transmission stage to be established, avoiding increases in component count and in weight, in a manual transmission in which plural shift pieces including a shift piece for reverse are arranged in parallel in a shift arm selecting direction. SOLUTION: The shift piece 104 for reverse at a neutral position is arranged to be able to contact with a shift arm 90 performing a select operation, and to offset to a shift operation direction 122 from other shift pieces 101-103 in a neutral position. At least one of mutual contact parts of the shift arm 90 and the shift piece 104 for reverse urged against a side of the neutral position is formed at an inclined surfaces 104b, 90b against a select operation direction 123, so that pressing power can work onto a reverse position side from the shift arm 90 to the shift piece 104 for reverse.
Patent JP-2003257488-A (JP)
Title: Polymer gel electrolyte
Inventor: MORI HIDEKAZU
IPC: H01M10/0565
Filed: 2002-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polymer gel electrolyte having high ion conductivity, formation retaining ability under a high temperature and good strength and elasticity.  <P>SOLUTION: The polymer gel electrolyte contains a cross-linked material formed by cross-linking clathrate compounds having cyclic molecules clathrate with linear macromolecules and having substituent groups at both ends of the linear macromolecules, and an electrolytic solution. It is preferable that the cyclic molecules are cyclodextrin and the linear macromolecules are polyethylene glycol.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003252668-A (JP)
Title: Hydraulic sheet for water storage tank wall material and water storage tank wall material using it
Inventor: IWASAKI YOSHIHIRO
IPC: C04B111/20
Filed: 2002-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for suppressing water leakage at a concrete water storage tank by reducing the damage of a crack or break with high strength or high toughness to the tank using a wall material constituting of a tough hydraulic material sheet molding.  <P>SOLUTION: The hydraulic material sheet molding which contains a polyvinyl alcohol base synthetic fiber by 1-10 wt.%/sheet whose fineness is 6-30 dtex, fiber length is 6-20 mm, mightness is 70 cN or more and extensibility is 5-10% is used for the water storage tank wall material.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003253898-A (JP)
Title: Wave making flow generator
Inventor: YAMAGAMI TOSHIKI
IPC: E04H4/00
Filed: 2002-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wave making flow generator that can sharply reduce equipment cost by sending waves in two or more optional directions by one wave making flow generator.  <P>SOLUTION: This wave making flow generator for artificially raising waves in a water reservoir part where water is stored, is composed of a wave making means for raising waves, and a rotatable shutter body for sending the waves raised by the wave making means, in the optional directions.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003259257-A (JP)
Title: Method and device for image data processing
Inventor: NIHEI KANAME
IPC: H04N5/76
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a device for image data processing, which easily retrieve an original picture from an index picture and eliminate a need of generating the index picture again even in the case that the original picture has been erased.  <P>SOLUTION: A picture recording means records each photographed picture and each of reduction pictures obtained by reducing photographed pictures in a memory card as independent files. A management file for defining the location on the index picture of each reduction picture is generated, and unequivocal correspondence is given to the page number and location information of the index picture between each photographed picture and each reduction picture.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003261840-A (JP)
Title: Adhesive sheet
Inventor: KUNIHIRO AKIRA
IPC: C09J133/00
Filed: 2002-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tamper-proof adhesive sheet allowing easy detection of forged certificates, unauthorized use of campaign labels, etc., or opened packages through color development in its recording layer.  <P>SOLUTION: The adhesive sheet is prepared by laminating a surface substrate, an adhesive layer and a release sheet. The adhesive sheet has at least one self-coloring pressure-sensitive recording layer which contains a developer and a basic dye-containing microcapsule on the surface substrate and the adhesive layer on the recording layer side.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003263982-A (JP)
Title: Manufacturing method of graphite particle and negative electrode material for lithium ion secondary battery
Inventor: EGUCHI KUNIHIKO
IPC: H01M10/05
Filed: 2002-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide graphite particles which have similar battery characteristics such as initial charge-discharge efficiency to the characteristics of graphite particles obtained by using a dispersing medium of an organic solvent even if obtained by using a dispersing medium of an aqueous solvent, when a negative electrode of a lithium ion secondary battery is formed by mixing graphite particles obtained by heating mesophase pitch, with a binder and the dispersing medium.  <P>SOLUTION: In this manufacturing method of the graphite particles, in the surfaces of graphite precursor particles (such as mesophase microbeads), a different kind of particles (such as silica) having a smaller average particle diameter than that of the graphite precursor particles and harder than the graphite precursor particles are buried by applying mechanochemical treatment using, for example, a compression shearing dry powder composing device or the like, and then the obtained precursor particles are graphitized by vaporizing, sublimating or decomposing the buried hard particles.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003262131-A (JP)
Title: Method and device for controlling supply air temperature of gas engine
Inventor: YAMAMOTO TAKAYUKI
IPC: F02B29/04
Filed: 2002-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a device for controlling supply air temperature of a gas engine capable of restraining change of an air-fuel ratio due to variation of supply air temperature to stabilize combustion, and capable of improving detection accuracy of the supply air temperature to maintain high precision control of the supply air temperature by constantly controlling the supply air temperature without being influenced with variation of outside air temperature and cooling water temperature even when the outside air temperature as well as the cooling water temperature vary such as in summer and winter.  <P>SOLUTION: In controlling the supply air temperature in the gas engine, the supply air temperature in a supply air passage is detected, while the temperature of the cooling water circulated in an air cooler is detected. The volume of the cooling water circulated in the air cooler is adjusted according to the detected value of the supply air temperature to control the supply air temperature to a predetermined temperature, and the volume of the cooling water circulated in a cooling device for cooling the cooling water flowing through the air cooler is adjusted according to the detected value of the cooling water temperature to control the cooling water temperature to a predetermined temperature.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003261975-A (JP)
Title: Sustained-release device
Inventor: NISHIYAMA SHUJI
IPC: A61K8/00
Filed: 2002-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mechanism which allows a chemical agent to be stably released in a sustained state even in the case of a flow rate of the order of 1 L/min and changes a sustained-release concentration.  <P>SOLUTION: A nozzle or a water-flow resisting body is provided in a channel pipe, so that hydraulic pressure, exerted on a sustained-release membrane, of the chemical agent can be enhanced. In terms of the nozzle, the concentration of the chemical agent is adjusted by restriction of an inside diameter of the nozzle. In terms of the water-flow resisting body, the concentration of the chemical agent is adjusted by being slid in a water-flow direction, moved in a direction perpendicular to a waver flow by being integrated with an elastic body, and rotated by being integrated with the rotating mechanism. Otherwise, the sustained-release membranes, different in coefficient of water permeability from one another, and a shielding plate are installed, and the sustained-release membrane is selected by the opening/closing of the shielding plate, so that the concentration of the chemical agent can be adjusted.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003259933-A (JP)
Title: Seat and pad material for the same
Inventor: MURATA YOSHIYUKI
IPC: A47C7/00
Filed: 2002-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a seat pad material with improved vibration absorbing properties.  <P>SOLUTION: The seat pad material has a resonance frequency of ≤3.6 Hz, an amplitude ratio of ≤3.0, an amplitude magnification of ≤0.9 at 6.0 Hz, a core density of ≥48 kg/m<SP>3</SP>and ≤60 kg/m<SP>3</SP>, an air permeability of ≤30 ml/cm<SP>2</SP>s, and an impact resilience of 65±5%. The seat pad material satisfactorily absorbs lower frequency vibration of vertical movement or the like and also higher frequency vibration or microvibration. Therefore, the seat pad material reduces transmission of vibration which is felt by the human body. Urethane foam made from polyol with an average molecular weight of 4,500-5,300 is preferably employed for such a seat pad material to easily attain the vibration absorbing properties.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003271510-A (JP)
Title: Home page providing device
Inventor: SHINOHARA JUNICHI
IPC: G06F13/00
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem wherein although a home page of the Internet is effective as a means for transmitting information, the procedure for opening the home page is complicated, so technical knowledge is needed.  <P>SOLUTION: A home page providing device is provided with a means for arbitrarily selecting and specifying configuration, background color, images and characters of a screen appearing on the home page and a means for automatically generating data for the home page according to the selection and designation and automatically registering the same in a WWW server.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003267772-A (JP)
Title: Grout composition
Inventor: ISHIDA YASUYUKI
IPC: C04B111/23
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a grout composition used at a civil engneering and construction area and having high corrosion resistance to various chemicals.  <P>SOLUTION: The grout composition contains 5-70 wt.% (A) alumina cement, 2-40 wt.% (B) a fused slag powder having a CaO/SiO<SB>2</SB>molar ratio of ≥1.20, 5-40 wt.% (as solid content) (C) water glass, 5-60 wt.% at least one kind of (D) a fused slag powder having a CaO/SiO<SB>2</SB>molar ratio of 0.10-1.20 and/or (E) an SiO<SB>2</SB>-Al<SB>2</SB>O<SB>3</SB>reactive powder, 5-60 wt.% (F) reactive siliceous particle having ≤3,000 cm<SP>2</SP>/g particle size as specific surface area and 1-30 pts.wt. (per 100 pts.wt. (C) water glass solid content) one or more kinds selected from (G) alcohols and 5-200 pts.wt. (per 100 pts.wt. sum amount of (A)-(G)) (H) aggregate.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003273672-A (JP)
Title: Differential amplifier circuit
Inventor: OKUMURA NAOO
IPC: H03F3/45
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a differential amplifier circuit which is normally operated even when a power supply voltage and the voltage of a differential input are low voltages.  <P>SOLUTION: The differential amplifier circuit is composed of P channel type transistors 1 and 2 of constant current sources, P channel type transistors 3 and 4 in which gates are applied with voltages Vin- and Vin+ of differential inputs, and an N channel type transistor 7 of an output stage. In such a case, low voltage resistance transistors are used as N channel type transistors 5-7. Besides, N channel type transistors 8 and 9 are provided for relaxing the voltages with which the N channel type transistors 5-7 are applied.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003265293-A (JP)
Title: Pillow
Inventor: IWAMOTO MASATAKA
IPC: A47G9/10
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pillow that can stably support the back of the head and can easily adjust the thickness, the moderateness, and the elasticity of a support part of the pillow in accordance with the favorance and the physique of a user.  <P>SOLUTION: This pillow is composed of support bodies 2, 3 that support and immobilize the back of the head and a pillow body 1. The support bodies 2, 3 are provided on the pillow body 1 in a detachable manner.  <P>COPYRIGHT: (C)2003,JPO