baber/WOPTO huggingface dataset:
Patent JP-2003233042-A (JP)
Title: Optical waveguide device
Inventor: DOI MASAHARU
IPC: G02F1/03
Filed: 2002-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To suppress a power consumption by decreasing a driving voltage to be applied on an optical waveguide device which is suitable for a communication system.  <P>SOLUTION: The device is provided with a substrate 12 which is cut in Z-axis and has an electrooptic effect, an interference type optical waveguide 2 which is formed on the substrate 1Z and in which the light beams propagating in a plurality of parallel optical waveguides 2b and 2c are interfered, and a lumped-constant type electrode 4 for applying a voltage for the electrooptic effect for the light propagating in each of optical waveguides 2b and 2c which compose the interference type optical waveguide 2. The lumped-constant type electrode 4 compensates respective electric potentials supplied to adjacent optical waveguides among the plurality of parallel optical waveguides 2b and 2c, the electric voltage which has a same absolute value and a reversed polarity is applied to each of the adjacent optical waveguides.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003091678-A (JP)
Title: Information delivery server, recording medium and information delivery method
Inventor: SUGIMOTO MICHITOSHI
IPC: H04W4/04
Filed: 2002-02-07
Abstract: PROBLEM TO BE SOLVED: To provide an information delivery server that can delivery individual delivery information according to the position of an attendant. SOLUTION: An information delivery system comprises an attendant ID acquiring device disposed in a commercial area to acquire an attendant ID as information for identifying an attendant and to transmit the acquired attendant ID to which a position ID set for the attendant is added, and the information delivery server connected to the attendant ID acquiring device.  The information delivery server has a transmission destination information database for relationally storing transmission destination information for specifying a portable terminal as a target of content delivery and the attendant ID, a receiving means for receiving the attendant ID and position ID transmitted from the attendant ID acquiring device as position information, a content readout means for reading out contents corresponding to the position ID included in the position information received by the receiving means from a content database, and a means for transmitting the readout contents according to the transmission destination information corresponding to the attendant ID included in the position information.
Patent JP-2003235093-A (JP)
Title: Speaker system and information communication apparatus employing the same
Inventor: MORI TETSUYA
IPC: H04R9/02
Filed: 2002-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a speaker system used mainly for an information communication apparatus such as a mobile phone and the information communication apparatus employing the speaker system, wherein the design man-hours, assembling man-hours and the number of components of the information communication apparatus can be reduced.  <P>SOLUTION: A second terminal 6b used to directly receive a voice signal and a third terminal 6c receiving the voice signal via a high pass filter 11 placed in the speaker system 10a are provided to one terminal of a coil of a voice coil 8 of the speaker system 10a, which incorporates the high pass filter 11 required for setting the characteristic of an output mode (reception mode or a loudspeaking mode) of the speaker system 10a as the completed speaker system. Thus, the design man-hours, assembling man-hours and the number of components of the information communication apparatus can be reduced.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003242800-A (JP)
Title: Method for operating semiconductor memory device
Inventor: ICHIKAWA TAKASHI
IPC: G11C29/00
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for operating an SDRAM by which the error of software can quickly be estimated with a comparatively inexpensively tester.  <P>SOLUTION: In the method for operating the SDRAM of a bank switching system in which a plurality of memory array banks are provided in a chip and which is used switching each memory bank, data written in the prescribed address in one memory array bank is read out, a normal/defective condition of read-out data is discriminated based on data information previously written, after discrimination of a normal/defective condition of the data, pre-charge operation is performed for the one memory array bank, after the pre-charge operation, and auto-refresh operation is performed for all banks based on a refresh-address signal generated by the refresh counter.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003237050-A (JP)
Title: Transfer system
Inventor: NISHIKAWA HIDETOSHI
IPC: B41J11/70
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To constitute a transfer system for realizing optimal transfer through uniform heating rationally.  <P>SOLUTION: A heating unit U comprising a preheating section Hp provided with a preheating roller 41 for heating a recording medium M while pinching, and a main heating section Hm for heating the recording medium M with heated air in a heating space R is mounted removably on the body case 20 of an ink jet printer. The recording medium M being fed out from the body case 20 is heated up to a temperature lower than the sublimation point at the preheating section Hp of the heating unit U and then heated at the main heating section Hm under noncontact state.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003242241-A (JP)
Title: Document discarding system
Inventor: HOSHINO MOTOI
IPC: G06Q50/00
Filed: 2002-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a document discarding system providing knowledge of a state of a discharged document.  <P>SOLUTION: A center server 11 is provided on the Internet 2, and it is composed so that a plurality of discharging company terminals 12, a plurality of collecting company terminals 13 and a plurality of disposal company terminals 14 can be connected with the center server 11. The discharging company terminal 12 is a computer system used by a discharging company discharging discarded documents, and it is provided with a communicating function with the center server 11. The collecting company terminal 13 is a computer system used by a collecting company collecting the discharged documents, and it is provided with a communicating function with the center server 11. The disposal company terminal 14 is a computer system used by a disposal company temporarily holding the discarded documents and recycling them, and it is provided with a communicating function with the center server 11.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003236080-A (JP)
Title: Pachinko game machine
Inventor: TOKUMARU TAKEJI
IPC: A63F7/02
Filed: 2002-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that when a pachinko ball having a static electricity passes a magnetic nearby sensor of a prize winning port, a discharge is generated and noise due to the static electricity is directly applied to a control board through the wiring of the magnetic nearby sensor to generated a malfunction of the control board in a conventional pachinko game machine.  <P>SOLUTION: In the wiring 31 between the magnetic nearby sensor 12s provided in an attacker 12 and the main control board 25 through a relay board 28, a toroidal core 30 made of nickel zinc ferrite material is provided. The toroidal core 30 shows high Q characteristics relative to the frequency band of the noise due to the static electricity. When the electrified pachinko ball winning a prize in the attacker 12 passes the magnetic nearby sensor 12s, the static electricity with which the pachinko ball is electrified is discharged. Even when the noise due to the static electricity is to be propagated through the wiring 31, the noise is removed by the toroidal core 30 provided halfway the wiring 31 so that the noise is not transmitted to the main control board 25.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003244523-A (JP)
Title: Imaging device, camera and device for transferring camera data
Inventor: SEKI JOKON
IPC: H04N101/00
Filed: 2002-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that the confidentiality of data recorded in a camera is not guaranteed, if the camera is lost or the camera is unattended with the recorded data preserved therein, as they are.  <P>SOLUTION: An imaging device which comprises the camera 1 and a camera data transfer device 18 connectable and removable to/from the camera 1 and also connected to a predetermined system, and transfers data from the camera 1 to the system via the camera data transfer device 18, is made unusable if the camera 1 and the camera data transfer device 18 are not the predetermined pair.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002361799-A (JP)
Title: Multilayered molded body
Inventor: OGAWA ATSUKO
IPC: B32B25/14
Filed: 2002-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a multilayered molded body which has at least one layer of a layer consisting of a thermoplastic elastomer composition comprising a specified thermoplastic resin and a polyolefin elastomer composition with specified physical properties, and has excellent strength, heat resistance, appearance, scratch resistance, wear resistance, lightweight properties and impact resilience. SOLUTION: The multilayered molded body which has at least one layer of a layer consisting of a thermoplastic elastomer composition comprising below described resin (A) and copolymer (B) and with a weight ration (A)/(B) of 5/95-95/5 is provided. (A) has a melt flow rate of 0.001-100 g/min measured at 230 deg.C and under a load of 2.16 kg and a die swell ratio (at 190 deg.C and under a shearing velocity of 122 sec<-1> and L/D=10/1) of at least 1.7 measured by means of a capillary rheometer. (B) is a specified olefin copolymer.
Patent JP-2003238548-A (JP)
Title: Method for purifying propylene oxide
Inventor: OKU NORIAKI
IPC: C07D301/19
Filed: 2002-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for separating/recovering propylene oxide from a raw material liquid containing water, hydrocarbons and oxygen-containing compounds, wherein the liquid is obtained by reacting cumene hydroperoxide with propylene in the presence of a catalyst.  <P>SOLUTION: This method comprises following steps, wherein the bottom temperature of a distillation column or an extraction distillation column in each step is ≤130°C. The first step: The raw material liquid is treated by extraction distillation using a 7-10C hydrocarbon as the extractant to be separated into a distillate containing almost all of water and oxygen-containing impurities and a bottom product containing propylene oxide, hydrocarbons and the extractant. The second step: The bottom product obtained in the first step is treated by extraction distillation using the 7-10C hydrocarbon as the extractant to be separated into a distillate containing propylene oxide and a bottom product containing hydrocarbons and the extractant. The third step: The extractant used in the first step and/or the second step is treated with a distillation column to be purified.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003242700-A (JP)
Title: Tape guide device
Inventor: ASAI KOJI
IPC: G11B15/61
Filed: 2002-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tape guide device which winds a tape pulled out of a tape cassette around the rotating drum of a video recorder and can generate a satisfactory antirotation torque without needing strict dimensional control while a guide roller is prevented from backlash and the height of the guide roller is not difficult to adjust because it is fixed too strongly.  <P>SOLUTION: The guide roller 6 is erected from a resin base member 10, a screw hole 14 is provided at an upper end of a shaft hole 13 into which the shaft 12 of the guide roller 6 is pressed, ribs 16, 16 are projectingly formed on the inner circumferential surface 17 of the shaft hole 13, and the shaft 12 pressed into the shaft hole 13 and screwed into the screw hole 14 is fitted, slightly crushing the surface 18, 18 of the ribs 16, 16.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003240606-A (JP)
Title: Projection encoder
Inventor: ITO YOSHINORI
IPC: G01D5/347
Filed: 2002-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a projection encoder by a three-lattice theory capable of detecting accurately the origin position.  <P>SOLUTION: On a translation lattice board 6 of this projection encoder 1, a light transmission lattice group 3 for phase A and phase B signal detection, a photodiode group 4 for phase A and phase B signal detection, and a photodiode group 5 for origin position detection are formed, and on a reflecting grating board 9, a reflecting grating group 7 for phase A and phase B signal detection, and a reflecting grating group 8 for origin position detection are formed. In the photodiode group 5 for origin position detection, a photodiode 5z for phase z and a photodiode 5z' for phase z' are arrayed according to an M-series array pattern, and in the reflecting grating group 8 for origin position detection, a reflecting grating 81 and a non-reflecting grating 82 are arrayed following the same M-series array pattern. The origin position of the translation lattice board 6 can be detected accurately based on a differential signal between the photodiode 5z for the phase z and the photodiode 5z' for the phase z'.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003249669-A (JP)
Title: Organic photoelectric transducer
Inventor: KATO SHINJI
IPC: H01L31/04
Filed: 2002-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an organic photoelectric transducer having superior photoelectric conversion ratio.  <P>SOLUTION: The organic photoelectric transducer has a metal complex thin film on an electrode. In the metal complex thin film, metal complex and metal oxide are chemically combined. In the metal complex, cyclic compound having substituent selected from a group composed of phosphonic acid group, phosphoric acid group and a 1-6C alkyl group having phosphonic acid group, and a 1-6C alkyl group having phosphoric acid group is made ligand, and from two to six ligands are coordinated in one molecule. The metal oxide belongs to 4A group of a periodic table.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003294179-A (JP)
Title: Fire resisting bilayer pipe
Inventor: KOJIMA NORIATSU
IPC: F16L59/147
Filed: 2002-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fire resisting bilayer pipe wherein an outside diameter of a socket is reduced into a smaller size than a conventional pipe, while ensuring a fire resisting function and a seal function.  <P>SOLUTION: The fire resistance bilayer pipe 10 of the invention comprises an inner pipe 11 formed at an end with the socket 13 for pipeline connection, a fire-resistance outer pipe 44 covering a periphery of the inner pipe 11, a seal element 20 formed of a seal body 22 and a rim 21 and covering an end surface 13f of the socket 13 and a peripheral end surface 13s of the socket 13 by the rim 21, and a fire resisting cover 30 formed of material having higher toughness than the outer pipe 44 with thinner thickness than the outer pipe 44 and covering the rim 21 of the seal element 20 and the peripheral end surface of the outer pipe 44. The bilayer pipe is characterized in that the rim 21 of the seal element 20 is fixed to the end surface 13f of the socket connection 13 and the fire resisting cover 30 is fixed at its portion covering the peripheral end surface of the outer pipe 44 to the outer pipe 44.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003246058-A (JP)
Title: Inkjet head
Inventor: ISONO HITOSHI
IPC: B41J2/16
Filed: 2002-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To prevent generation of cracks between a conductive resin and a channel wall in an inkjet head having the conductive resin for filling an interior of a channel groove at a rear end.  <P>SOLUTION: The inkjet head 1 is provided with a base member 1 formed to couple front ends and rear ends of a plurality of channel grooves 4 separated by channel walls 3 with each other, a cover member 2 disposed in contact with the base member 1 to be opposite to a face of the base member 1 where the plurality of channel grooves 4 are present, electrodes 5 as driving electrodes arranged at least at a part of inner faces of the channel grooves 4, and the conductive resin 26 arranged to fill the interior of the channel grooves 4 at the rear ends to be electrically connected to the electrodes 5. A depth of the channel groove 4 is made smaller at the rear end than at the front end.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003246129-A (JP)
Title: Printer, computer program, computer system and printing method
Inventor: KOMATSU SHINYA
IPC: B65H1/00
Filed: 2002-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To realize a printer in which the print sheet, the ink and the time can be prevented from being wasted due to mismatch between a print sheet set by a user and a print sheet set in a printer.  <P>SOLUTION: The printer comprises means for judging the type of a print sheet, and means for informing a user of an event to be informed upon occurrence thereof wherein the type of a sheet being used is set by the user. When the type of a print sheet set by the user is different from the type of a print sheet judged by the judging means, that even is informed by the informing means and dealt with by informing the fact that the print sheet can be replaced, printing suitable for the judged print sheet can be carried out, and printing can be stopped.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003252682-A (JP)
Title: Method for burning titanium nitride sintered compact
Inventor: NAKASUGA MINORU
IPC: C04B35/58
Filed: 2002-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a burning container made of a titanium nitride sintered compact which is inexpensive and can be used repeatedly.  <P>SOLUTION: The titanium nitride sintered compact is kept in the separable container comprising 80 wt.% or more of aluminum oxide in the total weight. By using this burning container, the titanium nitride sintered compact having a beautiful color can be obtained. The procurement and management costs of the burning container can be suppressed, and the workability can be improved.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003255955-A (JP)
Title: Method and system for sound field control
Inventor: OTA YOSHIKI
IPC: H04M9/08
Filed: 2002-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a system for obtaining a reproduced sound while reducing a difference in presence feeling although the difference in presence feeling is generated owing to a difference in reverberation from a source sound field when a sound is listened to in a reproduced sound field.  <P>SOLUTION: Reverberation characteristics of the source sound field and reproduced sound field are measured and the difference between the reverberation characteristics is found. A reflected sound pattern to be added to a reproduced sound is found from the found difference between the reverberation characteristics so that the reverberation characteristic of the reproduced sound field approximates that of the source sound field; and the pattern is added and reproduction is carried out in the reproduced sound field. To obtain a more effective presence feeling, frequencies are divided into specified bands, reflected sound patterns to be added in the respective bands are found and added to corresponding frequency bands of the reproduced sound, and reproduction is performed. The reverberation characteristics are measured by inputting, for example, an impulse signal to a speaker, picking up a generated sound wave by a microphone 3 provided at a position corresponding to the head of a listener, and analyzing it by an analyzer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003256795-A (JP)
Title: Image seal with non-contact system ic tag
Inventor: MANABE HITOSHI
IPC: G09F3/00
Filed: 2002-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image seal P with a higher added value by providing the image seal with a non-contact system IC tag.  <P>SOLUTION: An adhesive seal S having an image forming layer 2 formed on the front surface of a base material sheet 1 and an adhesive layer 4 formed on the rear surface thereof is formed on a separation sheet 5. The non-contact system IC tag 3 having stored information data such as character data, image data, and voice data capable of being read and outputted by the reading means of a computer terminal machine such as a cell phone is installed on the adhesive seal S.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003253351-A (JP)
Title: Process for producing highly pure copper from hydrous impure copper powder
Inventor: ANSAKI MASAAKI
IPC: C22B9/10
Filed: 2002-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a process for producing highly pure copper from a hydrous impure copper powder containing chlorine compounds and oxides of copper, such as deteriorated copper etchant generated upon etching a copper-clad laminate.  <P>SOLUTION: A highly pure copper ingot is produced by charging the hydrous impure metallic copper powder which contains chlorine compounds of copper and has an average grain size of ≤500 μm into a furnace, coating its surface with carbon or a carbon-containing substance and heat treating it at 1,083-1,300°C.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003258895-A (JP)
Title: Content distribution device and content receiver
Inventor: HIRANO MITSUNORI
IPC: H04N21/2389
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a content distribution device capable of transmitting data by each prescribed unit even in the case of performing live distribution.  <P>SOLUTION: The content distribution device for performing the live distribution of contents to a content receiver to be connected via a network comprises: a division part for dividing the contents for performing live distribution into data of a previously decided unit; a transmission part for transmitting data to the content receiver via a plurality of communication paths; and a transmission control part for transmission by switching the communication path of the transmission part every time data divided by the division part are transmitted.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003157922-A (JP)
Title: Connector, terminal fitting and releasing jig
Inventor: TSUJI KENJI
IPC: H01R43/20
Filed: 2002-03-04
Abstract: PROBLEM TO BE SOLVED: To lead a tab terminal smoothly into an insertion hole and to reinforce a releasing jig. SOLUTION: At the undersurface of a cavity, arranged a lance 31 supported at both its ends and lockable with terminal fittings. The lance 31 is equipped with an arm section 32 and a locking section 33 arranged protruding from a top surface of the arm section 32. At a front wall 27 and the arm section 32, formed a first die-drawing hole 35 opened toward the front to be used for drawing out the locking section 33 with a metal mold pin when a housing is molded. Above the first die-drawing hole 35 at the front wall 27, a tab insertion hole 28 is formed open-mouthed allowing a tab terminal T to be inserted and a guide face 29 to invite the tab terminal T is formed at the front part of the brim of the hole. At the part of the locking section 33 where its height overlaps with that of the guiding face 29, a pair of narrow sections 38 are formed with narrowed width at the tip.  The part of the first die-drawing hole section 35 corresponding with both of the narrow sections 38 are formed nearly in M-shape when seen from the front.
Patent JP-2003258161-A (JP)
Title: Printed wiring board for mounting electronic component
Inventor: MATSUMOTO NORIO
IPC: H05K3/34
Filed: 2002-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a printed wiring board in which failure of joint can be prevented by enhancing the bonding strength of solder and a pad at the time of connecting an electronic component with pads on the board through solder.  <P>SOLUTION: In the printed wiring board for mounting an electronic component, the pads being solder jointed to the terminals of the electronic component are subjected to nickel plating and gold plating wherein the surface roughness of nickel plating particles of a nickel plating layer underlying a gold plating layer is in the range of 10-100 nm.  <P>COPYRIGHT: (C)2003,JPO