baber/WOPTO huggingface dataset:
Patent JP-2004091592-A (JP)
Title: Nematic liquid crystal composition and liquid crystal display using the same
Inventor: KURIYAMA TAKESHI
IPC: G02F1/13
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal composition improved in the temperature dependence and frequency dependence of threshold voltage and having a wide temperature range; and a liquid crystal display using the same and having good display characteristics in a wide temperature range.  <P>SOLUTION: The liquid crystal composition contains at least one compound selected from compounds represented by formulas (1), (2), and (3) and has a nematic phase-isotropic liquid phase transition temperature (T<SB>N-I</SB>) of 60°C or higher but not higher than 180°C and an anisotropy (▵n) of refractory index of 0.06-0.30. In formulas (1),(2), and (3), R<SP>1</SP>to R<SP>4</SP>are each a 1-8C alkyl group or the like; rings A to G are each 1,4-cyclohexylene, 1,4-phenylene, pyrimidine-2,5-diyl or the like; and Z<SP>1</SP>to Z<SP>6</SP>are each a single bond, -COO-, -CH<SB>2</SB>CH<SB>2</SB>- or the like. The crystal display uses the composition.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004093454-A (JP)
Title: Rotation angle detection device
Inventor: TANIGAWA JUNYA
IPC: G01D5/24
Filed: 2002-09-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rotation angle detection device for detecting highly accurately the rotation angle of a rotating shaft, hardly influenced mechanically and by a surrounding environmental change.  <P>SOLUTION: This device has a first rotating electrode A1 and a second rotating electrode A2 which are rotated integrally with the rotating shaft, formed concentrically with the rotating shaft to have a flat ring shape respectively, and insulated mutually, and a fixed electrode A0 arranged oppositely to the first rotating electrode A1 and the second rotating electrode A2 at prescribed intervals, for forming a capacitance between the first rotating electrode A1 and the second rotating electrode A2. The first rotating electrode A1 and the second rotating electrode A2 are formed so as to increase gradually the facing area between the fixed electrode A0 and the first rotating electrode A1 and to decrease gradually the facing area between the fixed electrode A0 and the second rotating electrode A2 following the rotation of the rotating shaft.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004093060-A (JP)
Title: Warm/cold storage device
Inventor: OKUMURA YOHEI
IPC: F25D23/02
Filed: 2002-09-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a warm/cold storage device in which a warm storage chamber and a cold storage chamber fill a gap communicating with the outside.  <P>SOLUTION: Fin parts 67 becoming the same plane as a contact surface with a partition wall 15 and integrally extended/formed toward an adjacent door 60A side are provided on a butting part 64B of a packing 64 at a release end side of the packing attached to both doors 60A, 60B. The fin parts 67, 67 of both packing 64, 64 have length corresponding to height of a vertical frame of the door 60 and have a width where the extending ends are superposed each other in the state where both doors 60A, 60B are closed. When both doors 60A, 60B are subsequently closed, the packing 64 is fastened to a metal plate of the partition wall 15 by magnetic force of a magnet 66. Thereby, both fin parts 67, 67 are superposed on an end surface of the partition wall while being urged to the partition wall 15 side and fill the gap between both doors 60A, 60B to close the gap of the warm storage chamber 16 and the cold storage chamber 17 with the outside.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004090850-A (JP)
Title: Structure for rolling stock
Inventor: WATANABE YOSHITOMO
IPC: B61D17/04
Filed: 2002-09-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure for a rolling stock whose weight reduction and high rigidity can be realized.  <P>SOLUTION: In the structure 10 for the rolling stock, a side structure 2 and a roof structure 3 are separately or integrally manufactured by connecting a plurality of hollow members 5 coupling an outside face plate 6 and an inside face plate 7 with an intermediate plate 8, and jointed by installing the roof structure 3 on the side structure 2 vertically provided on a base frame 4, or installing the one integrally manufacturing the side structure 3 and the roof structure 3 on the base frame 4. An outline M of the vehicle body is fixedly kept, and the position of the cross sectional normal direction of the inside face plate 7 is changed based on the stress generated at each part of the structure. The thickness W1, W2 of the structure is made to be thick at the portion (the central position 3 of the structure shoulder 14 or the roof structure 3) having large stress, and the thickness W3 of the structure is made to be thin at the portion (the portion 3b located between the central position 3a of the roof structure 3 and the structure shoulder 14) having small stress.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004103878-A (JP)
Title: Input and output circuit and method for specifying its discharge breakdown portion
Inventor: YUKI HISANORI
IPC: H01L27/088
Filed: 2002-09-10
Abstract: <P>PROBLEM TO BE SOLVED: To easily specify a discharge breakdown portion in input and output circuits by a method in terms of a circuit.  <P>SOLUTION: By using a first switching means 6 and a second switching means 7 arranged in a protection circuit 1, a third switching means 11 and a fourth switching means 12 arranged in an output buffer 8, and a fifth switching means 17 and a sixth switching means 18 arranged in an input circuit 14, the substrate terminal of each transistor composed of the input and output circuits is connected selectively to a monitor (MON) terminal to monitor if the leakage current path exists between an input/output (PAD) terminal and the monitor terminal, thereby enabling the discharge breakdown portion to be specified.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004106635-A (JP)
Title: Air-conditioner for vehicle
Inventor: NATSUME TAKUYA
IPC: B60H1/00
Filed: 2002-09-17
Abstract: <P>PROBLEM TO BE SOLVED: To maintain appropriate temperature difference between the airs blown from the upper side and the lower side in bi-level mode.  <P>SOLUTION: This air-conditioner comprises a warm air inlet 34 arranged at the upper side, a cool air inlet 33 arranged at the lower side, a face opening 37 arranged at the upper side, a foot opening 38 arranged at the lower side, and a blow mode switching door 39 which is a butterfly door for opening and closing the both openings 37, 38. In the bi-level mode in which both of the foot opening 38 and the face opening 37 are closed by the blow mode switching door 39, a by-pass passage 45 for the bi-level mode for guiding the cool air from the cool air inlet 33 to the face opening 37 is formed between the end of the blow mode switching door 39 and the inner wall surface of the door housing 36.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004112726-A (JP)
Title: Digital camera
Inventor: TAKAHASHI AKIRA
IPC: H04N5/232
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a digital camera which confirms a photographing start time and a photographing time by an operator at a position separated from the camera, and accurately photographs by a self-timer mode for photographing an object in a moving/playing condition in a desired time zone.  <P>SOLUTION: A 1st time T1 until photographing start in which an object makes standby in a photographic view apart from the camera, photographing time T2, corresponding to the move/play form that the object performs in the photographic view, and a number of photographing repetition times N which is set as necessary, are set in an operation part 20 by a number setting device 6. For example, if the object is a person practicing golf, the photographing start time and photographing end time are detected by a photographing start display lamp 11, and a photographing end display lamp 13 in a position apart from the camera; if these are not detected, by blinks discrimination of a strobe lamp 10. Motion picture photographing for club swigs in the photographing time zone, is accurately photographed by the self shooting mode selected by a mode dial 2, and the obtained motion picture image can be used as the material for swing correction for the object.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003158536-A (JP)
Title: Managing of one or more domains in system through network connection
Inventor: WILLIAMS RICKI D
IPC: G06F17/50
Filed: 2002-09-24
Abstract: PROBLEM TO BE SOLVED: To provide a function of managing one or a plurality of domains in a processor-based system through network connection. SOLUTION: An apparatus comprises a first plane adapted to receive a first voltage level and a second plane adapted to receive a second voltage level. The apparatus further comprises a path asymmetrically positioned between the first and second planes. The path is capable of providing the network connection to one or more devices within a processor-based system.
Patent JP-2004120057-A (JP)
Title: Broadcast receiver
Inventor: OGAWA TAKAYUKI
IPC: H04N5/44
Filed: 2002-09-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a broadcast receiver with enhanced convenience by minimizing revision of existing user setting information attended with a change in an operating environment.  <P>SOLUTION: The broadcast receiver for receiving a broadcast signal transmitted from a broadcast station and presetting channel data of the broadcast station corresponding to the broadcast signal to a channel preset memory 13, is provided with: a means for detecting whether or not a broadcast signal exists in a channel stored in the channel preset memory 13; a means for detecting a channel other than the channel stored in the channel preset memory 13 and wherein a broadcast signal of a newly receptible broadcast station exists; and a means for replacing the channel data of the newly receptible broadcast station with the channel data wherein the presence of the broadcast signal is not detected and registering the resulting data to the channel preset memory 13.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004120120-A (JP)
Title: Power line communication connection circuit
Inventor: KAMIYANAGI HIDEKI
IPC: H04L12/413
Filed: 2002-09-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power line communication connection circuit capable of avoiding repetition of signal collisions at transmission by increasing the degree of randomness of random numbers on which a transmission wait time to avoid signal collisions is based.  <P>SOLUTION: The power line communication connection circuit is provided with each of a buffer register 201, a transmission register 202, a reception register 206, and a buffer register 207 to transmit / receive data between another power line communication connection circuit and a microcomputer 1 via a communication line 4; a multiplexer 203 for selecting one of the registers above and outputting its output data to a random number generating circuit 209; a random number generating circuit 209 using data outputted from the multiplexer 203 for an initial value to produce random numbers; a wait time counter 210 for down-counting a counter with the random numbers set thereto by a reference clock; and a control circuit 204 for allowing the transmission register 200 to transmit data when a count of the wait time counter 210 is zero.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004119084-A (JP)
Title: Fuel cell
Inventor: HORIGUCHI MUNEHISA
IPC: H01M8/02
Filed: 2002-09-24
Abstract: <P>PROBLEM TO BE SOLVED: To prevent closure of air passage due to invasion of liquid water into the air passage in a fuel cell separator.  <P>SOLUTION: The fuel cell comprises a separator 10B between the mutually adjoining unit cells 10A. The separator comprises the air passage S1 at least on the surface side contacting with the air pole 12 of the fuel cell and a cooling space S2 as a cooling means, on the rear side, where the air and water are supplied, and the cooling space is communicated with the air passage through a communicating hole 143 formed in the separator, and the end part on the entrance side of the air passage is closed to the supply of the air and water by a lid 145 formed in one body at the end part of the separator. Thereby, the invasion of water in liquid state into the air passage is prevented without installing any special member.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004249998-A (JP)
Title: Transport cover device
Inventor: PIEPEREID EDWARD JOHN
IPC: B65D90/22
Filed: 2002-09-25
Abstract: <P>PROBLEM TO BE SOLVED: To surely fix a closure to an opening of a container.  <P>SOLUTION: A transport cover is mounted on the container having an outlet sealed by a valve. A device includes the transport cover adapted to engage with the valve and the outlet for fixing the valve into the outlet. The transport cover can attain decompression or partial decompression between the cover and the valve to fix the cover to a predetermined position. The device further includes a member for causing or canceling the decompression or partial decompression between the transport cover and the closure to move the cover to a fixed position. Thus the closure can be fully rigidly and reliably fixed and released to avoid the accidental loss of a material without being interfered while the closure is fixed or released.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004115207-A (JP)
Title: Safety device of in-vehicle type crane
Inventor: KANAZAWA JIRO
IPC: B66C23/44
Filed: 2002-09-26
Abstract: <P>PROBLEM TO BE SOLVED: To prevent falling and damage due to overload and improve safety.  <P>SOLUTION: The device is equipped with a boom length detector 12, a boom angle detector 13, a load detector 15, ground load detectors 16, 17, and an operation control part 18. The operation control unit has two means. In a first means, a working radius R is calculated based on the detected value of the boom length detector 12 and the boon angle detector 13, and the limited load WL for preventing damage with respect to the working radius R is determined. The detected value of the limited load WL and the load detector 15 are compared. When the detected value of the load detector 15 arrived at the limited load WL, the first means outputs a damage preventive signal. In a second means, a memorized limited ground load RL for preventing falling and the detected value of the ground load detectors 16, 17 are compared. When the detected values of the ground load detectors 16, 17 arrive at the limited ground load RL, the second means outputs a falling preventative signal. The operation control part 18 restrains an operable load range of the crane between a rated load and a limited load based on the limited ground load arrival load changed depending on load condition of a cargo.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004115874-A (JP)
Title: Quenching method for steel
Inventor: SUZUKI HIROYOSHI
IPC: C21D1/76
Filed: 2002-09-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a quenching method for steel in which the reduction of intergranular oxidizing layers and the prevention of their formation are attained.  <P>SOLUTION: In the quenching method for steel, quenching is performed in an atmosphere obtained by adding gaseous hydrocarbon and gaseous ammonia to a gaseous nitrogen atmosphere. Preferably, the amount of the gaseous hydrocarbon to be added is ±0.2% to a carbon potential on the surface of the object to be treated, and the amount of the gaseous ammonia to be added is 0.5 to 1.5% of the amount of the gaseous nitrogen to be added.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004115334-A (JP)
Title: Method of manufacturing high alpha-type silicon nitride fine powder
Inventor: ICHIKAWA KOKI
IPC: C01B21/068
Filed: 2002-09-27
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently manufacture a high α-type silicon nitride fine powder having excellent sintering property for a short period of time by a direct nitriding method.  <P>SOLUTION: The method of manufacturing the high α-silicon nitride fine powder is performed by making a reaction furnace form a reaction field containing gaseous nitrogen and gaseous ammonia and heated to 1,400-1,700°C, supplying a fine powdery raw material composed of metal silicon powder or a powdery mixture of metal silicon powder and silicon nitride powder and having ≤20μm maximum particle diameter while dispersing the raw material with a carrier gas under ≥0.2MPa pressure difference between the pressure in a furnace and the carrier gas pressure, retaining in the reaction field for 2-10 sec to nitride the metal silicon. In such a case, the total quantity of Fe, Al, and Ca in the fine powdery raw material is preferably ≤50ppm.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004114131-A (JP)
Title: Work roll for cold rolling metal strip and method and machine for cold rolling metal strip using it
Inventor: KIJIMA HIDEO
IPC: B21B1/22
Filed: 2002-09-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a work roll for cold rolling metal strips capable of preventing both seizure and chattering at the high rolling speed and manufacturing metal strips having high glossiness with high efficiency and stability, and to provide a method and a machine for cold rolling metal strips by using it.  <P>SOLUTION: The work roll for cold rolling a metal strip is formed lots of recessed parts on the trunk surface, and the surface roughness Ry measured to the trunk direction is 0.3-5 μm, and 2,000-20,000/mm<SP>2</SP>of the recessed parts are formed per the unit surface area seen from the upper surface of the work roll trunk, and the biggest recessed part is stored in a circle with 2-30 μm of the diameter and many recessed parts are surrounded with the comparatively flat trunk surface at the same time. The method and a machine for cold rolling metal strips use the work roll.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004122483-A (JP)
Title: Thermosensitive recording element
Inventor: TSUZUKI YUJI
IPC: B41M5/26
Filed: 2002-09-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermosensitive recording element having high recording sensitivity and satisfactory image quality.  <P>SOLUTION: In the thermosensitive recording element comprising an undercoat layer and a thermosensitive recording layer sequentially laminated on a paper support, the layer thickness difference of the undercoat layer between the thickest part and the thinnest, is not more than 60 % of the intermediate value.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004134858-A (JP)
Title: Broadcast receiver and program retriever
Inventor: NOZAWA KAZUHIRO
IPC: H04N5/44
Filed: 2002-10-08
Abstract: <P>PROBLEM TO BE SOLVED: To surely retrieve a desired program even after omission of program names contained in an EPG as the time elapsed.  <P>SOLUTION: The broadcast receiver 1 extracts and collects character signals superposed on broadcast waves sent from a broadcast station to acquire an EPG. It previously registers program names acting as keywords for automatically retrieving programs to be recorded, acquires the name and time information of a program corresponding to the keyword from the acquired EPG and stores them in a program name memory 14h. When the EPG is updated, the receiver acquires the name of a program corresponding thereto, based on the time information, and, if the program name is omitted, it relates the program name before updating the EPG to that after updating the EPG and stores the name in the memory 14h.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004134299-A (JP)
Title: Carbon monoxide removing device and solid polymer fuel cell system
Inventor: HOSHINO MAKI
IPC: B60L11/18
Filed: 2002-10-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compact solid polymer fuel cell system in which carbon monoxide can be removed efficiently and in which wasteful consumption of hydrogen can be reduced, and provide a carbon monoxide removing device suitable for the system.  <P>SOLUTION: These are the carbon monoxide removing device for the solid polymer fuel cell and the solid polymer fuel cell system containing the device wherein a carbon monoxide selective oxidation catalyst I and a carbon monoxide selective oxidation catalyst II that have different adsorption amount of carbon monoxide are filled. The catalyst for carbon monoxide removal is used in which the adsorbed amount of carbon monoxide is adjusted, and by this, carbon monoxide can be removed efficiently and wasteful consumption of hydrogen can be reduced even in high temperature conditions without cooling the shifting reformed gas.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004138949-A (JP)
Title: Image forming apparatus
Inventor: EDAHIRO KAZUHISA
IPC: G03G15/20
Filed: 2002-10-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus that prevents paper from being wrapped round a roller on the toner side even when a large amount of toner is transferred to thin paper or a full-color image is formed, thereby hindering the occurrence of paper separation failure or curling.  <P>SOLUTION: A fixing roller 51 has a metal core 57a and a first elastic layer 58a formed round the metal core 57a. A pressure roller 52 has a metal core 57b and a second elastic layer 58b formed round the metal core 57b. The relationship between the stiffness c1 of the first elastic layer 58a and the stiffness c2 of the second elastic layer 58b is c1<c2. The thickness n1 of the first elastic layer 58a and the thickness n2 of the second elastic layer 58b are substantially the same. The outside diameter h1 of the fixing roller 51 and the outside diameter h2 of the pressure roller 52 are also substantially the same.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004146524-A (JP)
Title: Semiconductor device
Inventor: TAKAHASHI MAKOTO
IPC: H01L23/60
Filed: 2002-10-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device which can acquire resistivity to ESD even if an input bump is allocated in the place far from an input/output circuit near to the external circumference of a semiconductor chip.  <P>SOLUTION: The semiconductor device comprises the input/output circuit 13 formed in the place near to the external circumference of the semiconductor chip 11, a function module 14 formed in the center side of the input/output circuit 13 of the semiconductor chip 11, an electrostatic discharge protection circuit 15 which is formed within the function module 14 of the semiconductor chip 11 to protect the circuit in the subsequent stage from breakdown due to the electrostatic discharge, and a bump 12A which is allocated on one main surface of the semiconductor chip 11 near the function module 14 and is connected to the function module 14 via the electrostatic discharge protection circuit 15.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004144270-A (JP)
Title: Rolling bearing with sensor
Inventor: AOKI MAMORU
IPC: F16C41/00
Filed: 2002-10-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rolling bearing with a sensor, to which the sensor can be accurately fitted even in the case of a small size bearing and which normally operates in the environment wherein electric noise is generated by a motor or the like.  <P>SOLUTION: This rolling bearing with a sensor has an inner ring, an outer ring, a rolling body interposed between the inner ring and the outer ring, a magnetization detecting unit fitted to one of the inner ring and the outer ring, and a magnetism sensor fitted to the other of the inner ring and the outer ring, facing to the magnetization detecting unit. Any one of the magnetization detecting unit and magnetism sensor is fixed to the inner ring or the outer ring through a fitting member formed from a magnetic body.  <P>COPYRIGHT: (C)2004,JPO