baber/WOPTO huggingface dataset:
Patent JP-2003026477-A (JP)
Title: Porcelain material for piezoelectric transformer
Inventor: SATO KAORU
IPC: C04B35/49
Filed: 2001-07-11
Abstract: PROBLEM TO BE SOLVED: To provide a porcelain material for a piezoelectric transformer which can be driven even at a high vibrating speed of >=2 times the vibrating speed of the conventional material or large amplitude and has a high specific dielectric constant and electro-mechanical coupling coefficient. SOLUTION: The porcelain material for the piezoelectric transformer is >=0.45 m/s in Vmax, if the vibrating speed when the rising temperature at the vibration node of a piezoelectric vibrator attains 20 deg.C in the state that the piezoelectric vibrator is kept resonantly driven at ordinary temperature is defined as a vibrating speed threshold Vmax in addition, the material described above is >=500 in specific dielectric constant εr and is >=0.50 in the electromechanical coupling coefficient K33 in a longitudinal vibration mode.  The porcelain material for the piezoelectric transformer is expressed by a composition formula aPbZrO3 -bPbTiO3 -cPb(Mn1/3 Sb2/3 )O3 (where a+b+c=1) and the composition range thereof exists within a region (not inclusive of the ranges on lines) enclosed by the lines connecting the composition points W(a=0.59, b=0.40, c=0.01), X(a=0.40, b=0.59, c=0.01), Y(a=0.33, b=0.59, c=0.01) and Z(a=0.52, b=0.40, c=0.08).
Patent JP-2002362634-A (JP)
Title: Bending straw
Inventor: OKADA HIROYUKI
IPC: B65D77/28
Filed: 2001-06-08
Abstract: PROBLEM TO BE SOLVED: To provide a bending straw wherein while the straw is kept in a PET bottle, a sucking port of the straw pops out with a cap opened when taking a beverage and it can be pushed in and received by pushing the straw by the cap when closing. SOLUTION: The bending straw has a bending portion formed of bellows at an arbitrary middle position, and an end of a cylindrical tube of a bending shrinkable tube in which an insertion end of the straw can be inserted is attached to the insertion end. The cylindrical tube is shrunk by heat for fixing, providing the bending straw.
Patent JP-2003028002-A (JP)
Title: Air intake system abnormality determination device of internal combustion engine
Inventor: MURAKAMI AKIRA
IPC: F02D45/00
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To provide an air intake system abnormality determination device of an internal combustion engine capable of determining an abnormality of an air intake system including an abnormality of a blow-by gas passage at high accuracy by a relatively simple constitution. SOLUTION: The air intake system abnormality determination device of an internal combustion engine is provided with a calculation means 5 for calculating a total intake air amount air QTOTAL fed to the internal combustion engine; a calculation means 5 for calculating a by-pass intake air amount QBP by passed and fed via a throttle valve 3 based on a valve-opening controlled variable ICMD of an idle control valve 17; a calculation means 5 for calculating a leak air amount parameter QL of the air intake system 11 corresponding to a comparison result of the total intake air amount QTOTAL and the intake air amount QBP; auxiliary machineries disconnection means 5, 36 for disconnecting an auxiliary machinery 37 and the internal combustion engine 1;  and an abnormality determination means 5 for determining that the intake system 11 is abnormal when an opening of the throttle valve THA is smaller than a predetermined opening THAL and the leak air amount parameter is larger than a determination threshold value QTH.
Patent JP-2002115794-A (JP)
Title: Heat insulating material, and method and device for manufacturing the same
Inventor: KAWAKAMI HAJIME
IPC: B32B5/18
Filed: 2001-07-16
Abstract: PROBLEM TO BE SOLVED: To provide heat insulating material made of plastic and used for walls, which shows heat insulation property equivalent or superior to normally used glass wool insulating material and can be substituted for it and which can be folded and is advantageous in cost. SOLUTION: Foam sheet 1 constituted of three layers of cap film 11 made of plastic and provided with a lot of projections, flat back film 12 fixed to the base of the projections, and flat liner film 13 fixed to the top of the successive projections is used as the material. By forming a corrugation 1A, where Ω-shaped cross sections continue, adjoining one another, when cross-sectionally seen, or a folded corrugation 1C, and attaching each of plastic films 3A, 3B to the base and top surfaces of the corrugation to fix the shape of the corrugation, the heat insulating material is plate-shaped.  In addition to the above single- type material, double-type material is also possible, which is created by forming 2 sheets of corrugations (1A+1B or 1C+1D), attaching each base surface of the two corrugations to each side of one common plastic film 2, and attaching each of plastic films 3A, 3B to each top surface.
Patent JP-2003032446-A (JP)
Title: Image reader
Inventor: TAKAHASHI SHOJI
IPC: H04N1/04
Filed: 2001-07-17
Abstract: PROBLEM TO BE SOLVED: To provide an image reader, with which the homing time of a head can be shortened. SOLUTION: A sensor for detecting the home position 26 of a read head 11 for reading an original on contact glass 15 is shared with a CCD21 for reading the original and corresponding to the signal of the CCD element outside an original read area on the CCD21, the position of the read head 11 is detected.
Patent JP-2003032945-A (JP)
Title: Information recording and reproducing device
Inventor: NODA HIROMITSU
IPC: H02K29/00
Filed: 2001-07-18
Abstract: PROBLEM TO BE SOLVED: To provide an information recording and reproducing device that reduces surface deviation and shaft center deviation of a disc, that can be made thinner, and that prevents a dynamic pressure lubricant from being scattered to the outside part of a motor for driving the disc, even if the filling amount of the lubricant varies. SOLUTION: The spindle motor of the information recording and reproducing device is made up of a rotating disc 5, comprising an integrated disc part 3 and a rotating cylindrical part 4 a bearing sleeve 6, a thrust supporting plate 7, a rotor yoke 9, a ring magnet 10 magnetized to a plurality of poles, and the like. Facing the stator 13, a second lubricant pooling part 23 of a ring shape, which comprises a groove of a wedge shape in cross section at the inside circumference side close to the bearing sleeve and near to the disc part 3, is formed on the rotor yoke 9 that fixes the ring magnet 10. A tapered part, whose inside diameter increases as it approaches closer to the disc part 3, is formed from the opening part of the rotor yoke 9, toward the groove that forms the second lubricant pooling part 23.
Patent JP-2003031592-A (JP)
Title: Junction field effect transistor and manufacturing method therefor
Inventor: HOSHINO TAKASHI
IPC: H01L29/80
Filed: 2001-07-19
Abstract: PROBLEM TO BE SOLVED: To provide a junction field effect transistor which has high dielectric strength and low loss, and can operate at high frequencies, and to provide its manufacturing method. SOLUTION: This junction field effect transistor has a vertical type structure and on/off characteristics of a normally off type and uses silicon carbide as a semiconductor material as the main component. A channel layer 3 has a drift layer 21 of high impurity concentration and an intrinsic channel layer 23 with low impurity concentration. The intrinsic channel layer 23 is provided with a recessed part 25 for embedding a gate means, and a gate diffusion layer 5 is embedded in the intrinsic channel layer 23.
Patent JP-2003025306-A (JP)
Title: Tray
Inventor: NAKASHITA KATSUO
IPC: B27M3/24
Filed: 2001-07-23
Abstract: PROBLEM TO BE SOLVED: To reduce a material cost and obtain a sufficient strength in a tray manufactured by bending and boding a wood sheet. SOLUTION: By using and joining joined pieces 15, 16, 24 and 25 wherein a bottom face forming sheet 3 and a first and a second peripheral face forming sheets 4 and 5 which respectively comprise a wood sheet are bent and formed to any side, the tray is assembled. Bent lines 13, 14, 18, 19, 22, 23, 27 and 28 are allowed to extend in a direction crossing a grain direction. A second and a third side face parts 20 and 21 of the first peripheral surface forming sheet 4 are bonded by being piled up to a fifth and a sixth face parts 29 and 30 of the second peripheral face forming sheet 5 so that their moire directions cross mutually. Further, for each of the joined pieces 15, 16, 24 and 25 and a part being piled up that, the grain directions are allowed to cross each other.
Patent JP-2002141294-A (JP)
Title: Improved heat lamp for heating zone
Inventor: STEVENS RONALD R
IPC: C23C16/48
Filed: 2001-07-24
Abstract: PROBLEM TO BE SOLVED: To provide a heat lamp for improving the uniformity of a temperature in an area heated by the array of the heat lamps. SOLUTION: A reactor chamber is positioned between the top array of the heat lamps and the bottom array of the heat lamps. At least one of the heat lamps, forming the top array and the bottom array, has a segmented filament whose power output along the length of the heat lamp differs. The heat lamp has a pair of high energy output regions, spaced mutually by a lower energy output region in one configuration. At least one of the heat lamps forming the top array and the bottom array is non-linear, such as U-shape, in some configurations. The non-linear heat lamp has segmented filament, having the segments or areas of different winding density.
Patent JP-2003036667-A (JP)
Title: Player with remote controller, remote controller, and player
Inventor: KOBAYASHI HIROSHI
IPC: H04N5/00
Filed: 2001-07-24
Abstract: PROBLEM TO BE SOLVED: To provide a remote controller-equipped player from which even a child can take out the remote controller easily. SOLUTION: A remote controller 100 is provided with an operation part 1 where keys 5 to 9 are arranged, and a pair of projecting parts 2 and 2 raised forward from the operation part 1. Magnets 3 and 3 are provided on the rear side surface of respective projecting parts 2 and 2. A recessed part 22 of the same shape as the remote controller 100 is formed in the top plate 21 of a player 200, which attracts the remote controller 100 housed in the recessed part 22 with the magnets 3 and 3. If the operation part 1 of the remote controller 100 is grasped and raised, the remote controller 100 can be easily taken out by the principle of a lever.
Patent JP-2003036030-A (JP)
Title: Thermal adhesive label with no remaining paste and bottle using it
Inventor: YOKOI MASAYUKI
IPC: C09J7/02
Filed: 2001-07-24
Abstract: PROBLEM TO BE SOLVED: To provide a label favorable for a bottle to be recycled as it can be unrolled smoothly when used even after being kept for a long time in summer, it can be rolled and attached to the bottle by using high-speed automatic label attaching machine at the label attaching temperature of 80 to 120 deg.C, and it leaves no adhesive onto the bottle when being exfoliated from the bottle. SOLUTION: This is a heat sensitive adhesive label whose substrate is a plastic film which is heated and rolled and attached to the whole circumference of the bottle. Ethylene-vinyl acetate copolymer 85 to 99 weight % whose vinyl acetate content is 25 to 35 mol% and whose melt index is 5 to 200, and heat sensitive adhesion agent layer which consists of low molecular hydrocarbon resin 15 to 1 weight % are laminated on the plastic film characteristically.
Patent JP-2003037976-A (JP)
Title: Switching power device
Inventor: YAMADA TOMOMI
IPC: H02M3/28
Filed: 2001-07-26
Abstract: PROBLEM TO BE SOLVED: To provide a switching power device in which a surge voltage to be generated in a reverse direction to an output rectifying diode is suppressed. SOLUTION: The switching power device is provided with a transformer 3, a switching circuit 1 provided on the input side of the transformer 3, a diode rectifying circuit provided on the output side of the transformer 3, an output smoothing circuit provided at the post stage of the diode rectifying circuit, a snubber circuit which contains at least serially connected snubber capacitor 59 and snubber diode 57 and suppresses the surge voltage to be generated in the reverse direction to the output rectifying diodes 7, 15 contained in the diode rectifying circuit, and clamp circuits which are connected in parallel between both ends of snubber capacitor 59 and clamp the voltage between the snubber capacitor 59. Thus, the voltage between both ends of the snubber capacitor 59 is clamped with the clamp circuit.
Patent JP-2003043757-A (JP)
Title: Electrophotographic device
Inventor: MIWA KOJI
IPC: G03G15/00
Filed: 2001-07-27
Abstract: PROBLEM TO BE SOLVED: To solve the problem that the life of a contact type temperature detecting member is shortened because the contact part thereof is worn, or temperature can not be measured accurately because of the adhesion of dust to the surface of a measuring member, and further a printed matter is soiled because the contact part of a photoreceptor is also worn and damaged in the case of repeating rotation in a method in which the contact type temperature detecting member is attached to the surface of the photoreceptor, and also an optical temperature detecting member is soiled by the repeated rotation and temperature is changed with the lapse of time and reliability on the measured temperature is lowered in a method in which the optical temperature detecting member is attached to a position where it does not come into contact with a photoreceptor drum. SOLUTION: The temperature of the photoreceptor being a rotating body is not directly but indirectly measured by attaching the contact type temperature detecting member for detecting the temperature of a member fixed near to the photoreceptor.
Patent JP-2002035323-A (JP)
Title: Pattern fluctuation control method for pinball game machine
Inventor: MATSUMOTO KUNIO
IPC: A63F7/02
Filed: 2001-07-27
Abstract: PROBLEM TO BE SOLVED: To simplify signals to be transmitted from a main control means to a pattern fluctuation control means. SOLUTION: When transmitting the signal from the main control means 26 for controlling a game operation to the pattern fluctuation control means 36 and controlling the fluctuation of the pattern of a pattern fluctuation display means 21 on condition that a pattern start means 14 detects a game ball, the plural kinds of pattern fluctuation pattern permutations corresponding to the plural kinds of fluctuation instruction signals transmitted from the side of the main control means 26 are stored in the pattern fluctuation control means 36. On condition that the pattern start means 14 detects the game ball, one of the plural kinds of the fluctuation instruction signals is transmitted from the main control means 26 to the pattern fluctuation control means 36.  One pattern fluctuation pattern permutation stored in the pattern fluctuation control means 36 is selected by a random number processing corresponding to the fluctuation instruction signal and the pattern of the pattern fluctuation display means 21 is made to fluctuate according to the pattern fluctuation pattern permutation corresponding to the fluctuation instruction signal.
Patent JP-2003046416-A (JP)
Title: Broadcast receiver
Inventor: KIMURA SADAHIRO
IPC: H04H60/11
Filed: 2001-07-30
Abstract: PROBLEM TO BE SOLVED: To provide a broadcast receiver that can use an echo canceller function so as to automatically record audio and video of a program by taking into account behaviors and environments of a user and adjust the sound volume. SOLUTION: The broadcast receiver is provided with a broadcast reception means 2 that receives a broadcast program comprising analog signals or digital signals, an echo canceller means 4, and a discrimination means 6 with functions of discriminating that a residual echo amount in the echo canceller means 4 reaches a prescribed level to record audio and video of contents of the broadcast program.
Patent JP-2003047233-A (JP)
Title: Armature winding of superconducting dynamoelectric machine
Inventor: YAMAGUCHI KIYOSHI
IPC: H02K3/14
Filed: 2001-07-30
Abstract: PROBLEM TO BE SOLVED: To solve the problem where an eddy current loss is produced in a cooling pipe for an armature winding conductor of a superconducting generator. SOLUTION: Element conductors and cooling pipes 10 are arranged into a plurality of layers, the cooling pipes 10 are divided circumferentially, and the divided water-cooling pipes 10A and 10B are electrically insulated from each other by insulating layers to reduce eddy current losses produced in the cooling pipes.
Patent JP-2003044464-A (JP)
Title: Layout device and layout program
Inventor: SHIOBARA KEIKO
IPC: B41J5/30
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a layout device in which the allocation of character strings to a plurality of allocation frames is facilitated. SOLUTION: By making a computer comprising the layout device run the layout program, first, the first text file of a configuration dividing a plurality of character strings with divisions is read (S14), the division of character strings is searched from that first text file, and character strings before and after such a division are set as two character string blocks of mutually different references (S15). A plurality of set character string blocks are made correspondent to a plurality of allocation frames preset to a document and a plurality of character string blocks are allocated to a plurality of allocation frames (S16).
Patent JP-2003046654-A (JP)
Title: Home interphone
Inventor: SUZUKI HIDEAKI
IPC: H04B3/54
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a home interphone, with which speaking is performed mutually between respective places for a plurality of arbitrary places in home such as the entrance, a living room and small rooms through simple installation work without being accompanied with the wiring work of a private line. SOLUTION: In a control circuit (CONT) 225, encoding processing is respectively applied to audio data received from an audio system interface circuit (IF-A) 222 and video data received from a video system interface circuit (IF-B) 223, packet data for transmission are generated on the basis of these encoded audio and video data and instruction data, and the relevant packet data are sent to a PLC modem 221 as speech information for transmission. In the PLC modem 221, the speech information for transmission (packet data for transmission) received from the control circuit (CONT) 225 are transmitted through a power source plug P and a power source outlet 12 onto in-house wiring 11.
Patent JP-2003039299-A (JP)
Title: Floor polishing device
Inventor: FUJIWARA TAKAYUKI
IPC: B24B55/10
Filed: 2001-08-01
Abstract: PROBLEM TO BE SOLVED: To provide a floor polishing device which allows slight dust scattered on the floor or dust generating in a polishing process to be sucked and the polished condition (accuracy) of the floor to be enhanced. SOLUTION: The floor polishing device P1 is provided with a polishing brush 2 on the outer rotor R of an outer rotor motor M. A hollow casing 1 of a hollow pipe shape is placed vertically at the center of the motor M, a stator S is fixed outside the hollow casing 1, and the outer rotor R is mounted outside the stator S rotatably through bearings 9. The polishing brush 2 whose center section only corresponding to the outer diameter of the hollow casing 1 is scooped out, is integrated with the outer rotor R as a body being placed horizontally at the bottom of the hollow casing 1, and a suction hose 4 is connected with the hollow casing 1 at the top.
Patent JP-2003045570-A (JP)
Title: Connector device for card
Inventor: KURODA YOSHINARI
IPC: B42D15/10
Filed: 2001-08-02
Abstract: PROBLEM TO BE SOLVED: To provide a connector device for a card enabling insertion of cards which have different lengths by longitudinally arranging a connector terminal in the card-inserting direction, and allowing smooth insertion of the respective cards, when inserting the cards. SOLUTION: A slide member 6 forms a presser plate part 6f for regulating a first connector terminal 2 from projecting in a housing part 1a in a card discharge position, first locking parts 6c and 6d for abutting to only a first card 10, without abutting against a second card 11, and a second locking part 6e for abutting against only the front end part of the second card 11. When inserting the second card 11, after the second card 11 abuts to the second locking part 6e, by passing through the first locking parts 6c and 6d, the slide member 6 moves to a card-inserting position from the card discharge position, so that the first connector terminal 2 is released from regulation of the presser plate part 6f, and projects in the housing part 1a.
Patent JP-2002346271-A (JP)
Title: Washing machine
Inventor: LEE JOON YEOP
IPC: D06F37/30
Filed: 2001-08-02
Abstract: PROBLEM TO BE SOLVED: To provide a washing machine in which damage to the cloth of laundry is reduced by rotating a washing blade together with a spin-drying tub and, at the same time, large washing power is obtained through the stream of water which is circulated inside and outside the spin-drying tub. SOLUTION: The washing machine comprises a water tub for storing washing water, a washing tub which is arranged inside the water tub so as to be freely rotatable, is formed with many through-holes are on the side surface and the lower surface and is provided with the washing blade rotated together on an inner surface, a water stream generating blade which is disposed in a space between the lower part of the washing tub and the water tub so as to be rotatable and a driving means for rotating the washing tub and the water stream generating blade.  The driving means comprises a motor arranged in the lower part of the washing tub and a power transmitting device which transmits the rotary force of the motor to the washing tub and the water stream generating blade and permits the washing tub and the water stream generating blade to be mutually rotated in the same direction or in an opposite direction.
Patent JP-2003042984-A (JP)
Title: Thermal analysis method and device thereof
Inventor: OGINO TAKASHI
IPC: G01N25/18
Filed: 2001-08-02
Abstract: PROBLEM TO BE SOLVED: To provide a thermal analysis method and a device, capable of determining temperature distribution in a widely usable way, regardless of the shape of object body. SOLUTION: In this thermal analysis device, object region segmentation for segmenting the object shape for thermal analysis into a finite number of finite elements or cells is performed, and the thermal analysis of the object region is conducted by using the segmentation result. In the device, the temperature distribution in the object is determined as follows: the temperature distribution in the object is determined using a thermal conductivity by a temperature distribution calculation part 22; the temperature at a specific point is determined, based on the determined temperature distribution by a specific point temperature calculation part 23; deviation between the determined temperature at the specific point and a target temperature, set beforehand at the specific point, is determined by a deviation calculation/determination part 24;  it is discriminated whether or not the deviation is within a prescribed range; when the deviation is discriminated to be out of the prescribed range, the thermal conductivity is changed by a thermal conductivity renewal part 25; and such an operation is repeated, until the deviation falls within the prescribed range.