baber/WOPTO huggingface dataset:
Patent JP-2002332814-A (JP)
Title: Four-stroke/cycle engine having piston-type valve
Inventor: MASAI ICHIRO
IPC: F01L5/06
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To extend width of selection of valve material by reducing requirement of impact resistance and abrasive resistance of a valve piston. SOLUTION: This four-stroke/cycle engine has an intake valve 6 and an exhaust valve 7, a piston type valve as the intake valve 6 and the exhaust valve 7, and comprises a valve cylinder 13, having a one-end opening in the axial line direction of connecting to a combustion chamber 10, where a piston 2 connected to a crankshaft 1 compresses intake air and a side opening on the inner peripheral surface near the one-end opening, and a valve piston 14 that is driven by a valve driving means, so as to reciprocate in a valve cylinder in synchronism with the rotation of the crankshaft, has a piston ring in the outer periphery, and opens or closes between the one-end opening and the side opening with reciprocation.
Patent JP-2002345074-A (JP)
Title: Sound collecting device
Inventor: DAIETSU YASUHIRO
IPC: H04N5/225
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a sound collecting device having two microphone functions that collect a sound in matching with the field angle of a lens of a camcorder and collect a narration sound for explaining a state of a photographer with different directivities and frequency characteristics. SOLUTION: In a video camera mode, an electronic switch is used to connect a signal V3 to a signal V1, a signal V5 to a signal V2, allows a subtractor 5 to mix an output V6 of a second high pass filter 7 to an output V4 of a first high pass filter 4 and an equalizer 9 corrects the mixed signal. An output V12 from a microphone amplifier 12 indicates that the sensitivity in front of a camera is high and the sensitivity at the back thereof is low with respect to the microphone directivity principal axis. A microphone output V2 is cut off at a cut-off frequency (fc2) and the resulting output V12 becomes an output signal of a first omnidirectional microphone 1.  In a narration mode, the electronic switch is used to connect the signal V3 to the signal V2, the signal V5 to the signal V1, the output V12 indicates that the sensitivity in front of the camera is low and the sensitivity at the back thereof is high with respect to the microphone directivity principal axis, and becomes an output signal from a second omnidirectional microphone 2 where only the voice band of the output signal passes through a low pass filter 10.
Patent JP-2002339598-A (JP)
Title: Graveyard flower vase
Inventor: OTA YOSHIKO
IPC: A47G33/00
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a graveyard flower vase capable of executing the disposal of wastes without contaminating the earth and the atmosphere when it is not required. SOLUTION: The graveyard flower vase is constituted by having an upper flower pattern drawing a flower picture to the upper part of the circumferential surface of a hollow cylinder section, a family name recording section 7 for recording the family name in the central part of the circumferential surface of the cylinder and a lower flower pattern on the lower part of the circumferential surface of the cylinder, an insert section is consecutively inserted downward of the cylinder, the lower part of the insert section is formed in a tapered shape, at the same time, the lower end is formed in an acute angle, and it is formed of paper as a material.
Patent JP-2002344565-A (JP)
Title: Method of driving vibration actuator
Inventor: ABE YOSHIYUKI
IPC: H04W88/02
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a method of improving the sound quality for simultaneous use of an incoming transmitting function with vibration and an incoming transmitting function with voice in transferring the incoming through a vibration actuator usable for portable telephones, etc. SOLUTION: A controller of a vibration actuator previously records the frequencies and the quantities of distortions caused when a vibration signal and a voice signal are superposed one on the other and inputted to the controller. Based on the data the controller has recorded, distortions are removed from the superposed signals to output vibration signals and voice signals, thus improving the quality of reproduced sounds.
Patent JP-2002336129-A (JP)
Title: Coffee maker
Inventor: OYABU HAJIME
IPC: A47J31/10
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To solve the problem of conventional coffee makers that they can not make tasty coffee because the coffee is extracted by only continuous supplying of hot water. SOLUTION: The coffee maker comprises a hot-water supply tank 13 for containing hot water, a basket 9 arranged thereunder for containing a coffee powder 11 and a control circuit 14 for controlling the supply of hot water contained in the hot-water supply tank 13 to the basket 9. The control circuit 14 (1) at first supplies hot water to the basket 9, (2) then stops supplying hot water for a predetermined period of time, and (3) thereafter supplies hot water to the basket 9 again. As a result, it is possible to realize the optimum supply of hot water in accordance with the number of served persons and thereby provide a tasty coffee extract.
Patent JP-2002340835-A (JP)
Title: Precision management method for moisture measuring device
Inventor: FURUYA TOKIHARU
IPC: G01N33/24
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a precision management method for a moisture measuring device, capable of always simply confirming whether the precision is good or not usually so as to simplify and facilitate precision management. SOLUTION: In this precision management method for the moisture measuring device, moisture content of material to be measured such as freshly mixed concrete, mortar, and sand is obtained by a means for measuring the electrostatic capacity of the material to be measured. The precision of the moisture measuring device is confirmed by measuring the electrostatic capacity of the material having known electrostatic capacity built in a calibrating reference body 140, and comparing the measured value with a reference value.
Patent JP-2002324448-A (JP)
Title: Key top plate
Inventor: OKAMURA TATSUYA
IPC: H01H13/70
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To provide a key top plate that can easily form a key top, in which a character and the like can be made to be seen as a relief with three- dimensional feeling on the print of a background or characters, etc. SOLUTION: A first film plate 20 made of a flexible transparent resin film is curved upward and a key top 30 made of transparent mold resin is formed in a curved part 23. Furthermore, a second film plate 40 made of the flexible transparent resin film is arranged on the undersurface side of the key top 30, and a print layer 41 is formed. A print layer 21 is, for example, for characters, a graphic or symbols, and the print layer 41 is for a print for use in a background that is printed with the same color as a plane form.
Patent JP-2002342463-A (JP)
Title: Method for providing electronic bulletin board
Inventor: MIHASHI SETSU
IPC: G06Q50/10
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To obtain contents for a Web site for providing a customer service. SOLUTION: A service provider arranges a server in a data center. A service user performs connection to the Internet from a terminal to retrieve the Web site. When the service user designates the URL of a Web site server from the terminal which is access possible to the Internet, data of contents which are stored at the side of the server are read and transmitted to the terminal of the service user. The contents are classified into seven categories, i.e., membership registration, information, of new arrivals, product information, service support, on-line album, on-line shop, and community.
Patent JP-2002349735-A (JP)
Title: Air valve
Inventor: TAJIRI KAZUMI
IPC: F16L55/07
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide an air valve that can prevent external leakage of sanitary sewage and the like by reducing the frequency of opening and closing of a valve element and suppressing splash and dust scatter while maintaining an appreciable exhaust function. SOLUTION: The air valve comprises a valve casing 5 having a connection flange portion 1 for piping in a lower part and having a valve seat 4 in which an exhaust hole 3 is formed in an upper part, the valve element 6 for opening and closing the exhaust hole 3, a cover member 8 disposed over the valve casing 5 and provided with a pressure relief hole 8a, a diaphragm 7 for forming in the cover member 8 a pressure chamber 10 in communication with the atmosphere via the pressure relief hole a, a valve stem part 6a for connecting the valve element 6 and the diaphragm 7 and having a small diameter air hole 9 for interconnecting the pressure chamber 10 and the interior of the valve casing 5,  a shaft 14 engaged at an elongate hole 12 with a pin 13 arranged at a lower end of the valve element 6 and suspended for vertical motion between a position to stop the small diameter air hole 9 and a position to open it, and a float 11 disposed in the valve casing 5 in a coupled relation to the shaft 14 to press the shaft 14 and the valve element 6 in the closing direction by means of buoyancy. The shaft 14 has a needle 18 reciprocated into and out of the small diameter air hole 9 to regulate an opening area of the small diameter air hole 9.
Patent JP-2002351731-A (JP)
Title: Data file transmission and reception system
Inventor: INOUE MANABU
IPC: G06F13/00
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To construct simple mechanism for transmitting and receiving data for transmitting and receiving a file between a personal computer and an FTP server by only dragging and dropping the file in a window shown on the screen of the personal computer, etc. SOLUTION: A data file transmission and reception system includes a Web server, the FTP server, the Internet and a client computer, which constitute a network. In such a system, when the client computer tries to transmit a data file to the prescribed area of an FTP server or when the client computer tries to receive a data file from the prescribed area of the FTP server, a computer program concerning an HTTP protocol operating by a Web server makes data transferred by an FTP protocol between the client computer and the FTP server.
Patent JP-2002347377-A (JP)
Title: Holder mount
Inventor: HASHIZUME YUKARI
IPC: B42D1/08
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a holder mount enabling simple insertion of a print-out paper of a digital camera by the medium of cuts, in regard to intermediate paper of a clear holder. SOLUTION: In regard to the intermediate paper to be inserted into each holding bag of the clear holder prepared by binding a number of holding bags made of a transparent synthetic resin film, a means of making the intermediate paper into the holder paper by disposing a plurality of sets of insertion slits, four slits in one set, into which corner parts of a photograph paper piece or the like can be inserted, corresponding to the sizes of this piece or the like, and by providing also a color mark in the vicinity of each insertion slit, is adopted. Moreover, a means of making the insertion slit be a quarter-circle- shaped cut extended further horizontally or vertically from the end part thereof is adopted.  Besides, a means of providing the position of the insertion slit according to a standard size of series A or B of paper is also adopted, and further a means of making the color mark different in color corresponding to the size of the photograph paper piece or the like is adopted.
Patent JP-2002349725-A (JP)
Title: Flow control valve
Inventor: IMAI DOSHI
IPC: F16K27/04
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a flow control valve 1 that can prolong a product life to a valve lockup owing to a widened clearance between a seat portion 7 of a valve 4 and a housing sealing surface 6. SOLUTION: The flow control valve 1 adopts an offset arrangement of an operational center axis (shaft 5) of the valve 4 for controlling an opening area of a bypass passage 2 formed in a housing 3 and a center axis 9 of the housing sealing surfaces 6, so that a wide clearance is formed between the seat portion 7 of the valve 4 and the housing sealing surfaces 6. An allowable deposition amount of a corrosion product can be increased, and then a product life to a valve lockup can be prolonged. If the flow control valve 1 is used as an engine speed control valve, the valve 4 can be held closed during normal travel to set a low engine speed, improve fuel economy and solve the disadvantage that speed is increased against a driver's intention.
Patent JP-2002354525-A (JP)
Title: Mobile communication system
Inventor: HYO JUNYA
IPC: H04W88/18
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To reduce a load of an exchanging station when a possession of message is noticed in a mobile communication system, by notifying the exchanging station only that the mobile returns from the zone when the mobile returns to the same wireless zone. SOLUTION: In the mobile communication system, a message to the mobile 1 is stored in a message server 7 when the mobile 1 is out of a wireless zone 2 of a wireless station 3. When the mobile 1 returns to the same wireless zone, the information of returning to the original wireless zone is added to the control signal transmitted from the mobile 1 to the wireless station 3 and from the wireless station 3 to the exchange station 5. At the same time, when there is a message to the mobile 1, the information about the message received is added to the control signal from the exchange station 5 to the wireless station 3 and from the wireless station 3 to the mobile 1 to notify the mobile 1 that there is a message without carrying out a positional registration.
Patent JP-2002348737-A (JP)
Title: Hot melt adhesive composite fiber and fibrous formed material by using the same
Inventor: MAEKAWA AKINORI
IPC: D04H1/541
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a fibrous formed material excellent in touch feeling and having a high tensile strength, and a hot melt adhesive composite fiber capable of producing the above fibrous formed material. SOLUTION: This hot melt adhesive composite fiber consisting of a first component and a second component forms at least a part of the surface of the composite fiber with the second component continuously in lengthwise direction of the fiber, and uses a polypropylene fiber as the first fiber and a polyethylene resin containing 0.1-20 wt.% thermoplastic block type elastomer resin as the second component.
Patent JP-2002349778-A (JP)
Title: Structure of pipe body connection part
Inventor: UMEZAWA HIDEJI
IPC: E03F3/04
Filed: 2001-05-28
Abstract: PROBLEM TO BE SOLVED: To provide a structure of a connection part wherein an insert is swivel with respect to a socket so as to arbitrarily change or set a connection angle and a pile such as dust, dirt hardly collects at the connection part. SOLUTION: There is provided a socket 3 which is has a diameter-expanding shape and is formed at one end of a pipe 1 so that an insert part 4' or an end of the other pipe 1' is inserted so as to connect the pipes with each other. An axis CR of the socket 3 into which the insert part 4' is inserted is eccentrically located above a center line CL of a pipe body 2. Respective inner bottom surfaces 3a, 2a of the socket 3 and the pipe body 2 are formed continuously and substantially flush with each other. An inner diameter at the socket 3 in a position of a water stop ring 6 to be mounted at an inner periphery of the socket 3 is formed substantially the same as an outer diameter of the insert part 4', and an inner diameter length perpendicular to and from the inner bottom surface 3a is formed substantially the same as an outer diameter length of the insert part 4'.  An inner diameter which is in the horizontal direction beyond the mount position of the water stop ring 6 of the socket 3 and on an end side of the pipe is formed expandedly.
Patent JP-2002347663-A (JP)
Title: Floor structure of car body
Inventor: KUMAGAI RYUTA
IPC: B62D25/20
Filed: 2001-05-28
Abstract: PROBLEM TO BE SOLVED: To improve the aerodynamic characteristic by moderating the uneven shape of a lower surface of a floor without additionally mounting exclusive parts. SOLUTION: A downwardly projecting side member 13 extended in the longitudinal direction of a car body, is mounted on a lower face of a floor panel 11, and a floor panel 11 between the side member 13 and a side sill 17 mounted to an end part on the outside in the car width direction, of the floor panel 11 is downwardly projected to form a lower projecting part 15. The lower projecting part 15 is formed by joining and fixing an end part 15a on the outside in the car width direction to a lower part of the side sill 17, and a height of the lower face 15b is approximately same as that of a lower face 13a of the side member 13. An end part on the front side of the car body, of the lower projecting part 15 is joined and fixed to a lower part of a dash panel.
Patent JP-2002350912-A (JP)
Title: Optical wavelength conversion method and optical wavelength conversion system
Inventor: SEKINE ICHIRO
IPC: G02F1/37
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide an optical wavelength conversion method and optical wavelength conversion system capable of manufacturing a fully solid-state UV laser oscillator which stably achieves high conversion efficiency and can be put to practical use by using a single crystalline lithium tetra borate LB4 which is nonlinear optical crystal. SOLUTION: This system has a green laser oscillator 10 which oscillates coherent light of a wavelength 532 nm and an LB4 crystal box 23 on which the light from the green laser oscillator 10 is made incident as incident light. The single crystalline lithium tetra borate LB4 which converts the incident light and emits exit light of 266 nm is arranged in the LB4 crystal box 23 so as to satisfy a phase matching angle. A heater for heating and holding the LB4 at 200 to 600 deg.C is incorporated.
Patent JP-2002353471-A (JP)
Title: Optical transceiver and production method for the same
Inventor: TANAKA KOJI
IPC: H01S5/022
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide an optical transceiver and a production method for the same, with which improvement of production efficiency and the cost reduction or the like can easily provided, and further high-frequency transmission characteristic or crosstalk characteristic can be improved. SOLUTION: In an optical transceiver 10 and the production method for the same, an optical module part 14, in which optic/electric converting elements 12 and 13 are integrated, and a circuit board 16 are connected by a connecting component 15, located on the rear end of the optical module part 14.
Patent JP-2002357129-A (JP)
Title: Fuel injection equipment for internal combustion engine
Inventor: OKI HISASHI
IPC: F02M61/18
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To satisfactorily operate an internal combustion engine in all the engine operation regions. SOLUTION: This fuel injection equipment for the internal combustion engine is provided with a fuel injection valve 1 provided with a first injection port 5 and a second injection port 6. It is constituted such that ordinary fuel injection control in which fuel is injected from the first injection port only in a low load engine operation region and fuel is injected from the first and second injection ports in a high load engine operation region is performed. If internal friction of the internal combustion engine is smaller than a degree determined in advance, ordinary fuel injection control is performed. If internal friction of the internal combustion engine exceeds the degree determined in advance, fuel is injected from the first and second injection ports.
Patent JP-2002357181-A (JP)
Title: Motor-driven compressor
Inventor: HIGASHIYAMA AKIYOSHI
IPC: H02K19/02
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To provide a motor-driver compressor conducting delicate vehicular air conditioning, and preventing lowering of motor efficiency. SOLUTION: This motor-driven compressor with a compressing portion and a motor integrated is provided with a compressing portion variable displacement mechanism that can be externally controlled. The motor rotates at a constant speed.
Patent JP-2002357363-A (JP)
Title: Hot-water supplier
Inventor: SUZUKI ATSUSHI
IPC: F24H1/20
Filed: 2001-06-01
Abstract: PROBLEM TO BE SOLVED: To provide a hot-water supplier equipped with a heat exchanger, capable of being exchanged simply, eliminating the mixing of hot-water for bathing into hot-water in a hot-water tank and capable of effecting the thermal insulation and re-heating of bathing water in a bathtub. SOLUTION: The hot-water supplier is equipped with the hot-water tank 2, a heat generating body 6 for heating water in the hot-water tank 2 and a circulating unit A for circulating water through a heat exchanger 5 employing the hot-water in the hot-water tank 2, which is heated by the heat generating body 6, as a heat source. In such a hot-water supplier, the heat exchanger 5 is constituted integrally with a water passing tube 30 and a heater 33.
Patent JP-2002363563-A (JP)
Title: Mud caking material
Inventor: NAKANISHI HIROMITSU
IPC: E02B3/18
Filed: 2001-06-01
Abstract: PROBLEM TO BE SOLVED: To provide a mud caking material which does not exert a bad effect on environment, is produced at a low cost, and can be solidified in a short time. SOLUTION: The mud caking material is a mixture of a coherent resin, a sulfate compound and an inorganic material and is practically neutral. Each component is of a powdery or granular state. The sulfate compound is gypsum hemihydrate. The mass ratio of the coherent resin to the sulfate compound is in the range of 1 to 3-1 to 7.
Patent JP-2002128939-A (JP)
Title: Styrenic polymer composition for expansion and expanded sheet
Inventor: IKEMATSU TAKESHI
IPC: B29K105/04
Filed: 2001-06-11
Abstract: PROBLEM TO BE SOLVED: To provide a styrenic polymer composition for expansion which is improved in processability into an expanded sheet and gives an expanded sheet and a food-packing material and a food container, obtained by remolding the expanded sheet, remarkably decreased in elution or volatilization of low- molecular weight components therefrom. SOLUTION: The styrenic polymer composition for expansion comprises 100 pts.wt. of a styrenic polymer (a), 0.1-3.0 pts.wt. of a nucleating agent (b) and 0-3.0 pts.wt. of a liquid paraffin (c), where the styrenic polymer is a polymer mainly composed of a styrene bond unit obtained by an anion polymerization method using an organic lithium initiator, has a weight-average molecular weight ranging from 50,000 to 1,000,000 and contains less than 1,000 ppm of a styrenic low-molecular weight component having a molecular weight within the range of 140-400 (provided that the styrenic low-molecular weight component comprises a styrene oligomer component and a non-styrene oligomer component) containing less than 500 ppm of the non-styrene oligomer component.
Patent JP-2002363301-A (JP)
Title: Polyester molding
Inventor: NAGO SATOSHI
IPC: C08J5/00
Filed: 2001-06-11
Abstract: PROBLEM TO BE SOLVED: To provide a polyester polymer having controlled mol.wt., mol.wt. distribution, and morphology and a clean molding which is prepared by using the polymer, has high strengths/high modulus, and contains no impurity. SOLUTION: The polyester polymer mainly comprises repeating units derived from ethylene terephthalate, has a number average mol.wt. [by gel permeation chromatography(GPC), in terms of polystyrene] of 25,000 or higher, does not substantially contain a branched structure, and has a half value width of crystal melting peak of 10 deg.C or narrower and a cyclic trimer content (by GPC) of 0.8 wt.% or lower. Moldings such as fibers, films, and injection molded items are prepared from the polyester polymer.