baber/WOPTO huggingface dataset:
Patent JP-2002217940-A (JP)
Title: Transmission equipment
Inventor: MATSUURA AKIHIKO
IPC: H04L12/66
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To provide transmission equipment which do not need processing of intermediary framing processing and upper layer termination, such as ATM and solves the problems of making processing circuits complex and transmission delay. SOLUTION: The transmission equipment is equipped with an OTN(optical transport network) interface as defined by ITU-T G.709 and a giga bit LAN (GbE) signal interface as defined by IEEE 802.z, and is provided with a GbE- OTN clock place-change means, which inserts staff bits into signals received from the GbE interface, in order to fill blank capacity on accommodation of the received signals into the OTN and places the signals at an OTN synchronization clock for outputting them to the OTN interface, and an OTN-GbE clock place-change means, which deletes staff bits in signals received from the OTN interface and places the signals at a GbE free-funning block. The transmission equipment accommodates inputted GbE signals to transmit them and outputs signals received from the OTN as GbE signals.
Patent JP-2002215694-A (JP)
Title: Drawing database processor and drawing database processing method
Inventor: WAKAMATSU TADASHI
IPC: G06F17/30
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To provide a drawing database processor efficiently erasing unnecessary drawings. SOLUTION: This drawing database processor is provided with a required drawing extracting means 12 for extracting a path name list of required drawings corresponding to the lowest hierarch drawing name, from a most significant drawing name according to the most significant drawing name inputted from a drawing name input means 11; a related drawing extracting means 13 for extracting a path name list of related drawings corresponding to all the drawing names existing below a most significant directory name out of plural kinds of directory names shown in the same hierarchy on the basis of a plurality of directory name sequences in the path name list;  and an unnecessary drawing erasing means 14 for extracting a path name list of unnecessary drawings according to the path name lists of the related drawings and required drawings and erasing the unnecessary drawings on the basis of the extracted path name list.
Patent JP-2002223565-A (JP)
Title: Dc-to-dc converter
Inventor: KURIO NOBUHIRO
IPC: H02M3/28
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a DC-to-DC converter which enables reduction in switching losses and use of low breakdown voltage MOSFETs of low on-resistance. SOLUTION: In a DC-to-DC converter, having rectifying circuit portions 21, 22 fitted through transformers Tr1-Tr2 on the output sides of conversion circuit portions 11, 12 for converting the source voltage of a DC power source E into Acs, two groups of conversion circuit portions 11, 12 composed by connecting two pairs of switching elements Q1-Q4, Q5-Q8 by full bridge formation are provided for the DC power source E, and series capacitors C1, C2 are inserted and connected between those converting portions 11, 12 and the transformers Tr1, Tr2.  Along with shifting the switching phases of switching elements Q4, Q8 on one side by 1/3n period, with respect to switching elements Q1, Q5 on the other side, from among switching elements which form pairs in each connecting circuit 11, 12, the switching phases of the switching elements Q1, Q5 which correspond between individual converting circuits 11, 12 are shifted by 1/2n period.
Patent JP-2002223287-A (JP)
Title: Calling device
Inventor: OKUYAMA TAKESHI
IPC: H04M1/60
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a calling device in which the circuitry required for talking can be rationalized and reduced by using the speaker, microphone and circuitry provided in a handset commonly for handset talking and hand-free talking, thereby reducing a microphone and a speaker provided for hand-free talking. SOLUTION: Means for detecting the installation state of a handset 10 having an upper speaker section 13 and a lower microphone section 12 with respect to the calling device body 20 serves as a switch between talking through the handset 10 and hand-free talking using the speaker section 13 and the microphone section 12.
Patent JP-2002228920-A (JP)
Title: Main subject detector and automatic focusing camera
Inventor: KISHIDA NAOTAKA
IPC: G03B13/36
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a main subject detector capable of accurately deciding a subject intended by a photographer, and to provide an automatic focusing camera which can focus the subject intended by the photographer. SOLUTION: This main subject detecting device 140 is provided with a focusing part 142 having three or more focusing points and measuring a subject distance for every focusing point, a focusing control part 141 allowing the focusing means to perform focusing operation several times at the predetermined timing, a subject distance storage part 143 in which the subject distance is stored, and a main subject discrimination part 144 discriminating the main subject by using the subject distance. The discrimination part 144 discriminates the main subject by using the plurality of subject distances.
Patent JP-2002224806-A (JP)
Title: Exchanger and exchange method for roll segment
Inventor: KAWAMOTO MASASHI
IPC: B22D11/128
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To provide an exchanger and exchange method for roll segments capable of shortening the stop time of the segment exchange truck in the time for hoisting up work from a roll segment exchange truck in the exchange work of the roll segments and the time for hanging down work to the segment exchange truck. SOLUTION: This exchanger 10 for the roll segments 4 has the roll segment exchange truck 12 which is loaded with the ejected roll segments 4 or the roll segments 4' for exchange to be transferred in and travels on truck rails and a first suspension device 13 and second suspension device 14 for hoisting up the roll segments 4 loaded on the roll segment exchange truck 12 or hanging down the roll segments 4' for exchange.
Patent JP-2002229110-A (JP)
Title: Camera
Inventor: KAWAI SUMIO
IPC: G03B17/02
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a camera constituted so that dust sticking to the surface of an imaging device can be removed with a simple structure. SOLUTION: As for the camera provided with the imaging device such as a CCD 15, etc., for photoelectrically converting the optical image of an object formed by an image forming lens 2, the camera is also provided with a dust removing mechanism (an air flow path such as a flow-in hole 151c, etc., an air-flow generating source or the connecting member) which is arranged on the surface of the CCD 15 or between the image forming lens 2 and the CCD 15 and prepared for the purpose of spraying the air-flow on the CCD 15 or the surfaces of the prescribed optical elements (protective glass 152, optical filters 152, 154 and 155, etc.), for transmitting the image forming light of the image forming lens 2 from the transmission extent of the image forming light of the prescribed optical elements so as to remove the dust.
Patent JP-2002232282-A (JP)
Title: Semiconductor relay and production method therefor
Inventor: OKADA HIROSHI
IPC: H03K17/04
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To recover the drain and source of a depression MOSFET for output from a cutoff state to a conducted state at high speed. SOLUTION: In the semiconductor relay provided with a light emitting element 1 for emitting an optical signal corresponding to an input signal, a light receiving element 2 for generating a photovoltaic power on the basis of the optical signal of the light emitting element 1, a pair of depression MOSFET 3 and 3b for output inversely serially connected while connecting gates and sources to the light receiving element 2 and mutually connecting sources so as to impress the photovoltaic power and a charging/discharging control circuit 50 for controlling charging and discharging of electric charges between the gates and sources of a pair of MOSFET 3 and 3b for output,  a charging circuit 70 is provided for discharging the electric charges between the gates and sources of a pair of MOSFET 3 and 3b for output on the basis of a current flowing between the drains and sources of a pair of MOSFET 3a and 3b for output.
Patent JP-2001291682-A (JP)
Title: Plasma treatment of titanium nitride film formed by chemical vapor deposition
Inventor: WANG SHULIN
IPC: C23C16/08
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a method for forming a thick titanium nitride film having a low SOLUTION: A titanium nitride film 204 is formed, using a thermal chemical deposition reaction between ammonia (NH3) and titanium tetrachloride (TiCl4) at a temperature of less than about 600 deg.C and NH3: TiCl4 flow ratio greater than about 5. The deposited TiN film 204 is then treated in a hydrogen- containing plasma 210 generated from molecular hydrogen (H2). A thick titanium nitride film having low resistivity and good coverage, is thereby realized. The deposition and plasma treatment steps may be repeated for additional cycles to form a thick, composite titanium nitride film of desired thickness, which is suitable for use in plug fill or capacitor structure applications.
Patent JP-2002230777-A (JP)
Title: Disk recorder
Inventor: SAKANASHI KENTARO
IPC: G11B7/0045
Filed: 2001-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a disk recorder capable of consecutively recording to the end, without ending or temporarily stopping an operation even if a jump error occurs. SOLUTION: When a jump error occurs during recording to lead-in area, an address of a position X returned from an error originating position E by one round of a track is calculated, and the data of track 1a are read returning to the position Y located further four sectors before this position X. Then, when a break of TOC(Table of Contents) data is detected in the reading process, the address of this break is determined as a recording starting position Z, and data are overwritten from the position Z.
Patent JP-2002231517-A (JP)
Title: Processing method of rendering alloy magnet powder harmless
Inventor: AIBA AKIFUMI
IPC: C22C38/00
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To render Nd2O3 contained in alloy magnet powder harmless and to protect a magnet product manufactured by the use of the alloy magnet powder against cracking or chipping. SOLUTION: This alloy magnet powder is obtained through a method where an Nd-Fe-B alloy is melted under vacuum and very quickly cooled down, the solidified alloy is ground into powder, and the alloy magnet powder contains Nd2O3 as an Nd oxide which is produced unavoidably generated in a process of melting and quenching the alloy. Pure water of 0.1 to 15 parts is added to the alloy magnet powder of 100 parts and mixed together. The alloy magnet powder containing a prescribed amount of water is introduced into a vessel, heated at a prescribed temperature for a prescribed time in an atmosphere of inert gas to be dried, and then cooled down to a room temperature. By this processing, Nd2O3 contained in the alloy magnet powder is turned into hydroxide such as Nd(OH)3 by chemical reaction.
Patent JP-2002236044-A (JP)
Title: Flow sensor and its manufacturing method
Inventor: WADO HIROYUKI
IPC: G01F1/692
Filed: 2001-02-06
Abstract: PROBLEM TO BE SOLVED: To provide a flow sensor which can suppress disturbance of the flow of a fluid flowing on the top surface of a substrate, and to provide its manufacturing method. SOLUTION: A lower film 2, a wire 4, and an upper film 3 are formed on the top surface of the substrate 1, and an insulating film 5 is formed on the reverse surface of the substrate 1. When a cavity part 6 is formed, a V-sectioned groove is formed where a belt-like area, extending in the flow direction of the fluid including detection parts 4a to 4c which pass through the border part of the constituting body of a sensor chip 10 on the top surface of the substrate 1. Then the border part of the constituting body and the inside of the groove are cut, to form a sensor chip 10 having its end part removed on the top surface side of the substrate 1. The sensor chip 10 is put in a chamber 21 of a chip pedestal 20, having a projection part 22 conforming with an oblique surface 1c, formed by removal of the end part.
Patent JP-2002237316-A (JP)
Title: Fuel cell gas passageway structure
Inventor: HIGAKI NORIHITO
IPC: H01M8/02
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To moderate accumulation of formed water and accumulation of reaction heat or the like by devising a gas passageway structure, maintain the optimum state for power generation over the entire fuel cell face and improve the whole output characteristics. SOLUTION: In the fuel cell composed of unit cells constituted from an electrolyte and a pair of electrodes, of a separator, and of the gas passageway to partition these unit cells, it has such a fuel cell gas passageway structure that a folding-back part is installed on the way from an entrance to an exit of the gas passageway and that the gas passageway of the downstream side from the folding-back part is formed along and opposing to the gas passageway of the upstream side.
Patent JP-2002236836-A (JP)
Title: Commodity store device using communication network and commodity store program therefor
Inventor: OGAWA KAZUTO
IPC: G06Q30/02
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To promote sales of a commodity including a literary work by exciting buying will for a customer by group registration in network sales, and reduce a load for a checkup by checking up a group member by a server on a network. SOLUTION: When selling the literary work on the network, authentication ID of a buyer is used, and the buyer constructs a registered group member by a registered member. The buyer and the registered group member are registered in a customer DB 201 by a member registering part 20. A sales-use control part 30 executes authentication by referring to the customer DB 201, and when a person belonging to the registered group member buys or uses the same literary work, not only the literary work is bought by a normal rate but also the merits such as a discount and a small present are imparted. An arrangement is set up for charging and demanding a royalty for a copyright holder on the network when a person other than the buyer uses the literary work.
Patent JP-2002237460-A (JP)
Title: Plasma cvd apparatus
Inventor: KURIBE YOSHIFUMI
IPC: H01L21/205
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a plasma CVD apparatus for depositing a semiconductor thin film having uniform, improved characteristics at a higher speed without depending on a plane position on a large substrate. SOLUTION: The plasma apparatus comprises a substrate-supporting electrode for supporting a film-formed substrate in a plasma CVD reaction chamber, and a counter electrode that opposes the substrate. The counter electrode is hollow and includes a gas discharge surface plate 3a having a plurality of gas discharge holes 3b for discharging reaction gas toward the substrate. Also, a plurality of plasma acceleration holes 3h for accelerating the generation of plasma are formed on a surface where the gas discharge surface plate 3a opposes the substrate. The plasma acceleration holes 3h do not pass through the gas discharge surface plate 3a.
Patent JP-2002240596-A (JP)
Title: Section insulator
Inventor: SATO HIROKI
IPC: B60M1/18
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a section insulator for reducing the lopsided wear of a slider by smoothing the passage of a pantograph. SOLUTION: A slider set 4 for supplying power to an electric car between trolley lines T, T, instead thereof, consists of a pair of long and short sliders 11, 12 formed in an approximately Y-shape and fixed to the trolley lines T, respectively, with the long and short ones alternately opposed to each other at both ends of an insulating rod 3. The sliders 11, 12 are fixed to the trolley lines T with two joint fittings 13 and supported on arms 9 of connection fittings 5 with fixed supporting brackets 14 and movable supporting brackets 15. Spider gripping portions of the joint fittings 13 allows the sliders 11, 12 to be vertically adjusted at their supporting positions by changing the positions of screw stems threaded to the arms 9.  The movable supporting brackets 15 can be moved up in a relatively movable range to the arms 9 of movable shafts locked by a locking ring while gripping the slider 12.
Patent JP-2001290303-A (JP)
Title: Toner coated with conductive polymer
Inventor: EVERAARS MARCEL DIALMA
IPC: G03G9/083
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a toner having better durability against mechanical load and showing little change in the resistarice. SOLUTION: This toner particle consists of a conductive surface layer containing a doped conductive polymer derived from thiophene, an intermediate layer present between the surface layer and the core and the core particle containing a magnetizing pigment, dye and fixing polymer, and in particular, the intermediate layer has >=70 deg.C glass transition temperature.
Patent JP-2002239729-A (JP)
Title: Welding method and welding system
Inventor: AOKI YOSHIAKI
IPC: B23K9/12
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a welding method and system in which the same welding accuracy as conventional one can be secured, through an inexpensive and simple structure, without lowering linearly excursion accuracy, by using a general-purpose articulated robot as a welding robot. SOLUTION: As movable base 16 is installed movably along the direction of the weld line a-d of a positioned workpiece, with welding robots 13A, 13B (articulated robots) mounted on the movable base 16, so that these robots 13A, 13B are provided with a traveling axis in the moving direction of the movable base 16. Through the extension/contraction of the robot arm 42 of the welding robots 13A, 13B, a welding torch 14 is transferred to the starting point of welding, with the extension/contraction of the robot arm 42 controllably regulated by a robot controller during the welding. In this controlled state, if the movable base 16 is moved, the welding torch 14 is transferred along the weld line a-d of the workpiece with superior linearly controlled accuracy.
Patent JP-2002243225-A (JP)
Title: Humidifier and hot air heater provided with humidifier
Inventor: KASUKAWA NOBUYUKI
IPC: F24F6/08
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a humidifying material having an excellent water absorption property and heat resistance in a humidifier having the humidifying material a part of which is dipped in water of a humidifying tray to absorb the water and supplying air to the humidifying material to vaporize water with which the humidifying material is impregnated or in a hot air heater in which the humidifier is incorporated. SOLUTION: The hot air heater 10 comprises a main body 10A provided with an air inlet port 15 and a hot air outlet port 14, a fan 31 for hot air provided in the main body 10A, a heat exchanger 20 provided in an air supply passage 18 downstream the fan 31 for the hot air, the humidifying tray 40 provided in the air supply passage 18 downstream the heat exchanger 20 and the humidifying material 38 a part of which is dipped in the water of the humidifying tray 40 so as to absorb the water. The humidifying material 38 is composed of a sintered member of natural inorganic fibers.
Patent JP-2001241362-A (JP)
Title: Cylinder direct injection internal combustion engine
Inventor: TSUKAMOTO HIROAKI
IPC: F02M25/07
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To improve an output and to reduce fuel consumption, by recirculating exhausted gas at a high temperature under high pressure in a cylinder at the first half of a compression stroke. SOLUTION: Exhaust reflux ports 3 connecting insides of cylinders C1 to C4 with an exhaust chamber 5 are provided with exhaust reflux valves 8. The exhaust reflux valves 8 are opened during the period from the second half of an expansion stroke of a corresponding cylinder to the following bottom dead center BDC or the vicinity thereof to take in part of a combustion gas at a high temperature under high pressure into the exhaust chamber 5, and then the valves 8 are opened during the period of the first half of the compression stroke to recirculate the exhausted gas from the exhaust chamber 5 to the cylinder.
Patent JP-2002242856-A (JP)
Title: Scroll type fluid device
Inventor: FUJITA KATSUHIRO
IPC: F01C17/06
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a scroll type fluid device capable of attempering interference of a key of an Oldham link and a key groove, remarkably reducing abrasion caused by it and practically and sufficiently reducing mechanical loss. SOLUTION: Chamfer parts 71a, 72a are provided on head end parts of the keys 71, 72 of the Oldham link 7 fitted to the key groove 65 free to slide and/or inlet sides of the keys 71, 72 on the key groove 65 on the scroll type fluid device having the Oldham link 7 interposed between the key groove provided on a scroll member and the key groove 65 provided on a fixed side member to support the scroll member, to allow revolution of the scroll member, and to avoid autorotation of the scroll member.
Patent JP-2002243072-A (JP)
Title: Pipe connecting structure
Inventor: INOUE TOMOHITO
IPC: F16L15/04
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a pipe connecting structure having a small wall thickness of a pipe and easily handled. SOLUTION: The end part of a thin connected pipe 1 has a male screw part 2 formed by plastic working. The male screw part 2 is engaged with a female screw part 4 on the pipe joint 3.
Patent JP-2002247700-A (JP)
Title: Sound image localizing signal processing unit
Inventor: YAMADA YUJI
IPC: H04S1/00
Filed: 2001-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a sound image localizing signal processing unit that can localize a sound image in an arbitrary direction using a simple configuration. SOLUTION: The sound image localization signal processing unit is provided with a 2nd sound source data storage section, that stores 2nd sound source data 11-1n subjected to preliminary signal processing to 1st sound source data, so as to localize the sound image in a prescribed direction and with a sound image localization control processing section 8 that changes the summing ratio of data of the same channel of the 2nd sound source data to shift the sound image, when sound localization processing is applied, on the basis of position information from a sound image control input section 4 to the 2nd sound source data 11-1n, when reading the 2nd sound source data from the 2nd sound source data storage section and reproducing them by headphones 7R, 7L and controls the position of the sound image localization of reproduction output signals D1-1-Dn-1 and D1-2-Dn-2.
Patent JP-2002239147-A (JP)
Title: Game machine
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2001-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a game machine deciding whether a predetermined game value is given or not according to a combination of either of two or more pieces of identification information already led and displayed and identification information to be decided finally. SOLUTION: After all the display patterns are stopped temporarily, a character 54 of a wizard is indicated on a display area of a special pattern display device 4 for switching a screen. Different patterns are displayed as an upper pattern 51 and a lower pattern 52, while the same two display patterns are displayed as intermediate patterns 53. The same two intermediate display patterns 53 are moved synchronously. When the intermediate patterns 53 become identical with the upper pattern 51 or the lower pattern 52, an odd different display pattern is moved to the end of the screen. After a stopped pattern form is established, all the display patterns are stopped completely.