baber/WOPTO huggingface dataset:
Patent JP-2004148457-A (JP)
Title: Wafer grinding method and wafer grinding device
Inventor: NUMAO SHINJI
IPC: B24B37/005
Filed: 2002-10-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wafer grinding device which is simple in structure and improves the flatness of a wafer.  <P>SOLUTION: The wafer grinding device functions to grind a grinding surface f by holding the wafer W by a holding surface 31a of a carrier plate 31, by press-contacting the surface f of the wafer W to a grinding surface 13a of a grinding plate 11 by way of a top ring 41 and the carrier plate 31, and by relatively rotating the top ring 41, the carrier plate 31, and the grinding plate 11 by means of driving mechanisms 71, 21. The wafer grinding device thus constructed comprises a jig 35 having pressing protruding portions 38, which is arranged between the top ring 41 and the carrier plate 31, for transferring a load from the top ring 41 via the carrier plate 31 only to the wafers W.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004150379-A (JP)
Title: Air-fuel ratio control system
Inventor: OKABE TAKESHI
IPC: F02D45/00
Filed: 2002-10-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an air-fuel ratio control system capable of suppressing harmful effects due to the aging and stably maintaining highly precise air-fuel ratio control over a long time period when a UEGO sensor is adopted as an oxygen concentration sensor used for the air-fuel ratio control system in a gas engine for GHP.  <P>SOLUTION: The UEGO sensor 32 is applied to the gas engine for GHP. Atmosphere correction operation is performed after the engine is stopped, an aging degree of the UEGO sensor 32 is measured, and the air-fuel control is performed according to an actual excess air ratio in consideration of this aging degree. The atmosphere correction operation is performed every 100 hours until 1000 hours pass after the UEGO sensor 32 is new and is performed every 500 hours after this 1000 hours pass. Cranking for 10 seconds per one time is intermittently performed three times at intervals of several seconds, and the atmosphere correction operation is performed when cranking operation at the final time is finished.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004120988-A (JP)
Title: Inverter device
Inventor: KOBAYASHI MITSURU
IPC: H02M7/48
Filed: 2002-09-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high power factor type inverter device which feeds output of a power supply circuit to an inductive load by converting it to high frequency.  <P>SOLUTION: The inverter device is provided with flywheel diodes 72, 74 connected in reverse parallel with a pair of capacitors 12, 14 for an arm and switching elements 62, 64. Also, a half-bridge type inverter circuit is formed with the capacitors 12, 14 and the switching elements 62, 64. Each end of the inductive load 50 and an auxiliary capacitor circuit 20 is connected to the mid-point between the switching elements 62, 64 and the capacitors 12, 14. A rectification power supply 30 to full-wave-rectify an AC power supply 31 voltage is provided. A DC positive pole side terminal DP of the rectification power supply 30 is connected to a positive pole side terminal of the circuit of both switching elements 62, 64. A DC negative pole side terminal DN is connected to a negative pole side terminal of the circuit of both switching elements 62, 64. Further, a first AC side terminal A1 is connected to the mid-point between a first capacitor 22 and a second capacitor 24 of the auxiliary capacitor circuit 20. A second AC side terminal A2 is connected to the mid-point between a third capacitor 26 and a fourth capacitor 28. By this, AC side terminal potential becomes variable. Power from an AC power supply is fed and a high power factor is obtained. As a result, a high power factor can be realized.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003207306-A (JP)
Title: Capacitance type pixel for fingerprint sensor
Inventor: GOZZINI GIOVANNI
IPC: A61B5/117
Filed: 2002-11-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a improved fingerprint sensor.  <P>SOLUTION: An electrically floating capacitor plate defines a sensing capacitor with a fingerprint sensing surface thereabove. Reference voltage pulse is selectively applied to a pixel input node that is capacitively coupled to the floating plate, which in turn is capacitively coupled to the input node of a charge integrator. During the sensing operation, the charge integrator generates a pixel output signal that is a function of the variable capacitance of the sensing capacitor, which corresponds to crests or valleys of fingerprint characteristics that appears directly above the floating plate.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004157847-A (JP)
Title: Road crossing pedestrian announcing system
Inventor: ADACHI KAZUKIRO
IPC: H04W88/06
Filed: 2002-11-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a road crossing pedestrian announcing system capable of announcing the presence of a road crossing pedestrian to a driver without installing any special device at a road side of an intersection or the like.  <P>SOLUTION: A portable telephone set 1A or 1B carried by a pedestrian or a driver is provided with a current location detecting circuit for detecting his or her current location, and a moving speed is calculated based on the current location detected by the current location detecting circuit, and which of the pedestrian and the driver is carrying the portable telephone is automatically discriminated from the calculated moving speed, and when the portable telephone is carried by the pedestrian, pedestrian mode processing is carried out to detect whether or not the pedestrian has started to cross a road based on the current location information and the moving speed, and when it is detected that the pedestrian has started to cross a road, road crossing announcement information is wirelessly transmitted. When receiving the road crossing announcement information by performing driver mode processing, the portable telephone carried by the driver issues a warning sound to surely make the driver to recognize the existence of the front road crossing pedestrian.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004159231-A (JP)
Title: Digital coding information recording and reproducing apparatus
Inventor: MAEZAWA YOSHIMASA
IPC: H04N5/765
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To solve difficulty in economically and effectively processing a plurality of information even though a plurality of information processing (typically mixing of AV series stream and data) are realized due to performance improvement of a disk media.  <P>SOLUTION: The apparatus is selectively provided with a usage status determination means (13), a scheduling means (14), a transfer volume changing means (15), a schedule transfer volume changing means (16), an error processing changeable means (17), a coding rate information acquisition means (18), a buffer allocation means (19), the number of frames detection means (20), and a transfer processing ratio allotment means (21), etc.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004155486-A (JP)
Title: Toolbox
Inventor: DAVID RIN
IPC: B65D25/04
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a toolbox for instantaneously searching a stored tool without labor or time and enhancing the functionality such as convenience in conveyance.  <P>SOLUTION: The toolbox comprises a first shell body, a second shell body and a tool storage plate. Each of the first shell body and the second shell body comprises a first side surface, a second side surface, a storage space formed at an adequate position of an inner edge, a hole communicated with the storage space, and a transparent cover provided on the hole. The first side surface of the second shell body is connected to the first side surface of the first shell body via a pivot, and the second side surface of the first shell body is removably coupled with the second side surface of the second shell body. The tool storage plate is stored in the storage space, and has upper and lower surfaces having a plurality of tool placement grooves formed therein.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004155153-A (JP)
Title: Laminating apparatus
Inventor: KIKUCHI TETSUO
IPC: B41J2/01
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a laminating device that prevents, in a simple structure, defective separation (non-separation or absence of a film at a tip portion) at a tip portion of a medium which may occur in the separation at a high temperature.  <P>SOLUTION: This laminating device has a blowing air means which is positioned on a downstream side of heating/pressurizing rollers 6a, 6b and is provided to one face side of united media to be fixed. The airflow rate or a timing of on/off of the blowing air means can be changed according to a signal of a detecting means of the media to be fixed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003281798-A (JP)
Title: Tape guide device for magnetic recording/reproducing apparatus
Inventor: LEE SEUNG-WOO
IPC: G11B15/60
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tape guide device for a magnetic recording/reproducing apparatus with reduced components and by simple structure.  <P>SOLUTION: The tape guide device for the magnetic recording/reproducing apparatus includes a pole base arranged to be towards and away from one side of a head drum in loading and unloading of a tape and a pole unit having a spiral flange inclinatorily installed on the pole base in parallel to a read surface of the head drum to guide the tape approaching the head drum such that it is inclined at a predetermined angle and aligned in the horizontal direction to the read surface. Thus, expenses are saved by reduction of components and damages are reduced by reducing area to be brought into contact with the guide device in transportation of the tape.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004162257-A (JP)
Title: Door lock and its thumb-turn device
Inventor: MORITA HARUO
IPC: E05B13/08
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thumb-turn device, in which a thumb-turn shaft for the thumb-turn device cannot be rotated in the unlocking direction by a malfeasant unlocking means such as a wire, a cord or the like, and a door lock with the thumb-turn device.  <P>SOLUTION: The thumb-turn device 10 has a thumb-turn shaft 14 in which a front end section 14a is connected to a hub 4, an external cylinder 11 rotatably bearing the thumb-turn shaft 14 and a grip 30 installed at the base end section of the thumb-turn shaft 14 and used for turning the thumb-turn shaft 14. The grip 30 can be tilted to the thumb-turn shaft 14. A pair of shaft projecting sections 20 are separated mutually and formed integrally to a flange section 14b at the base end section of the thumb-turn shaft 14 while being projected to the indoor side, and the grip 30 is mounted rotatably on a pin 26 inserted to the bearing projecting sections 20 and 20.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004076716-A (JP)
Title: Plant control system using frequency shaping response designation type control
Inventor: ISHIKAWA YOSUKE
IPC: G05B13/02
Filed: 2002-11-13
Abstract: <P>PROBLEM TO BE SOLVED: To robustly control a plant while suppressing the excitation of an undesired frequency component.  <P>SOLUTION: This plant control system has a controller for controlling the plant modeled in a discrete time system. The controller controls the plant by use of a frequency shaping response designation type control algorithm having filtering function so as to converge the deviation to a target value of the output of the plant. When the plant is an internal combustion engine, the internal combustion engine can be modeled with its input as ignition timing correction quantity and its output as rotating speed. The controller executes the frequency shaping response designation type control algorithm to calculate the ignition timing correction quantity. The frequency shaping response designation type control may be a sliding mode control having filtering function. In one embodiment, the control input may include a correction item for stabilizing the internal variable of a filter, a correction item for stabilizing the deviation to the target value of the output of the plant, and a correction item changed according to a switching function.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004161434-A (JP)
Title: Hall guiding device with car operation function of elevator
Inventor: HANIYUDA TOMOAKI
IPC: B66B3/00
Filed: 2002-11-13
Abstract: <P>PROBLEM TO BE SOLVED: To simplify destination registration operation and secure a smooth operation to an objective story.  <P>SOLUTION: In this hall guiding device with car operation function of an elevator, a guide plate 2 having tenant guide sensors for tenants in which the names of the tenants are written and illumination lamps 13 installed according to these sensors is installed in a car. When the guide sensor corresponding to a specific tenant is selected, the story of the tenant is registered as the destination through a control panel 3, the illumination lamp corresponding to the tenant on the guide plate 2 is lit, and the tenant guide sensor on which the specific tenant name is described is illuminated. Thus, an elevator user can securely check that the specific story of the tenant was registered so that the user can go to the story of the tenant.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003248186-A (JP)
Title: Optical scanning apparatus and image forming device
Inventor: YOSHIZAWA HIROSHI
IPC: B41J2/44
Filed: 2002-11-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical scanning apparatus in which an influence of a polygon scanner of a heating element in the apparatus is reduced and an abrupt change of a positional (color) deviation can be prevented in the apparatus comprising a polygon scanner for scanning to deflect a laser beam, an optical element disposed near the scanner, and an optical housing for supporting the scanner and the element, and to provide an image forming device.  <P>SOLUTION: The optical scanning apparatus comprises heat sink guides 60A, 60B having guide surfaces 60a, 60b inclined to a rotary axis O of the polygon scanner 3 near the scanner 3 and provided integrally with or separately from the optical housing 20a.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004169212-A (JP)
Title: Method for producing carbon fiber
Inventor: YOSHIDA TAKASHI
IPC: D01F9/145
Filed: 2002-11-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing carbon fibers by using wood tar as a raw material.  <P>SOLUTION: The method for producing the carbon fibers comprises heating purified wood tar in an atmosphere under reduced pressure into pitch, subjecting the obtained pitch to melt spinning to give pitch fibers and carbonizing the obtained pitch fibers into carbon fibers. Preferably the purified wood tar is heated in an atmosphere under reduced pressure of ≥2 mmHg and ≤10 mmHg at ≥100°C and 220°C into pitch. Preferably the pitch thus obtained is ground and subjected to melt spinning at ≥140 °C and ≤180 °C using nitrogen gas pressure into pitch fibers. In a process for carbonizing the obtained pitch fibers into carbon fibers, the same conditions as those of a conventional process using pitch obtained from petroleum or coal as a raw material are applied.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004159269-A (JP)
Title: Apparatus and method for blind joint channel estimation and signal detection
Inventor: CAO LEI
IPC: H04L27/01
Filed: 2002-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To perform synchronization and equalization without using a training sequence in mobile communication.  <P>SOLUTION: A method and system performs blind joint channel estimation and signal detection in a communication system that includes multiple channels for transmitting symbols. The multiple channels are estimated using a small number of symbols initially received through the multiple channels. When the channels have been estimated, a single best channel is selected. From then on, the bulk of the symbols are detected only on the best channel, while the best channel is updated.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003208786-A (JP)
Title: Magnetoresistive random access memory (mram) with on- chip automatic determination of optimized write current method and apparatus
Inventor: PERNER FREDERICK A
IPC: G11C29/50
Filed: 2002-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a means in which data is written surely in a memory cell of a memory cell array, while data stored in other memory cell in the memory cell array can be protected.  <P>SOLUTION: A magnetoresistive access memory (MRAM) cell array device which can realize a resistive intersection memory (RXPtM) device comprises a chip (i.e., substrate) in which an array of the MRAM cells is formed. Preferably, a controller performing set-up algorithm is formed on the same chip, mostly preferably, this set-up program decides a writing current (some times, a writing current is plural) used when binary data bits are written in a memory cell array, simultaneously, a writing current holding data previously written in the other memory cell of the array.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004178310-A (JP)
Title: Automatic notification application system
Inventor: WATANABE TADASHI
IPC: G06Q50/10
Filed: 2002-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To integrate and share information about each notification by automatically creating notification to be applied for some event, without omission and without the need for applicants' judgments.  <P>SOLUTION: This system comprises a computer 1 by which predetermined event application information 20 is input; and a computer 2 with an event registration function 10 by which the event application information 20 is accepted as event acceptance information 21, a notification selection function 11 by which one, two or more pieces of necessary notification information 23 are selected according to the event acceptance information 21 while notification selection requirements 22 set for each event are referred to, a notification information creating function 12 by which notification information 24 is edited for each necessary notification according to the event acceptance information 21 and the selected necessary notification information 23, and a notification application function 13 by which notification application information 25 in a format needed for the application of a notification is output according to the edited notification information 24.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004176422-A (JP)
Title: Reform construction method for opening frame and opening frame
Inventor: YOSHIDA TATSUYA
IPC: E06B1/56
Filed: 2002-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To inexpensively reform a door and an opening frame without impairing aesthetic appearance while keeping a sense of unification in design.  <P>SOLUTION: When an existing opening frame is removed from an opening of a wall 10, an adhesive 28 bonding a visual boundary is left on the surface 18 of the wall as fouling. A new opening frame 34 having a boundary 32 having a larger width than that of the boundary of the existing opening frame is prepared to cover the adhesive 28 by the boundary 32 in order to attach the opening frame 34 to the inner peripheral fringe of the opening.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004186732-A (JP)
Title: Electrostatic sensor and portable electronic apparatus
Inventor: TSUNODA TOSHIO
IPC: G01C22/00
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrostatic sensor capable of sensing vibrations of an acoustic signal and a rocking signal with different frequencies and to provide a portable electronic apparatus employing the electrostatic sensor.  <P>SOLUTION: The electrostatic sensor 1 is provided with: a fixed electrode 6; a first vibration electrode 9 disposed in opposition to one side of the fixed electrode 6; and a second vibration electrode 12 disposed in opposition to the other side of the fixed electrode 6, an electret member is formed on any electrode between the fixed electrode 6 and the first vibration electrode 9 and on any electrode between the fixed electrode 6 and the second vibration electrode 12, and the electrostatic sensor 1 senses the vibration of the first vibration electrode 9 in response to sound by measuring a change in a static capacitance between the fixed electrode 6 and the first vibration electrode 9, and senses the vibration of the second vibration electrode 12 in response to rocking with a frequency lower than the frequency of the sound by measuring a change in a static capacitance between the fixed electrode 6 and the second vibration electrode 12.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004180760-A (JP)
Title: Vacuum cleaner
Inventor: SUZUKI HITOSHI
IPC: A47L9/10
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner in which air path loss is small compared to cyclone type separation, clogging of a dust separation part is easily suppressed and an air capacity decline is easily suppressed as well.  <P>SOLUTION: The vacuum cleaner is provided with an air flow control means 91, an air path forming body 62 is provided in an air path from the suction port of a cleaner body to the intake port 33A of a motor-driven blower 33, and the dust separation part 61 for inertially separating air and dust flowing in the inside is provided. The air path forming body is provided with a separation opening 64 between an opening 62A at one end communicated with the suction port and the opening 62B at the other end communicated with the dust separation part and a filter F2 covering the opening. The air flow control means 91 controls an air flow inside the air path forming body 62 so as to remove the dust stuck to the filter F2 and is provided in an inflow air path 44a of air to the dust separation part 61. By turbulence generated in the means 91, the dust stuck to the filter F2 is removed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004182790-A (JP)
Title: Lubricating oil composition for sliding guide surface
Inventor: HATA MASAHIRO
IPC: C10N30/06
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a lubricating oil composition for a sliding guide surface which wholly achieves friction properties, stick-slip prevention and separation from a water-soluble cutting liquid in a high level in excellent balance.  <P>SOLUTION: The lubricating oil composition for a sliding guide surface comprises at least one kind of a base oil selected from a mineral oil, oils and fats and a synthetic oil, at least one kind selected from a phosphorus compound and a sulfur compound and a polyalkylene glycol derivative represented by general formula (1) R<SP>1</SP>O-(EO)<SB>l</SB>-(R<SP>3</SP>O)<SB>m</SB>-(EO)<SB>n</SB>-R<SP>2</SP>(1) [R<SP>1</SP>and R<SP>2</SP>are each a hydrogen atom or a 1-6C alkyl group; EO is an oxyethylene group; R<SP>3</SP>O is a 3-6C oxyalkylene group; l, m and n are each an integer of 1-50].  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003249919-A (JP)
Title: Two-way communication method
Inventor: NOMURA YOSHIHIDE
IPC: H04L5/16
Filed: 2002-12-02
Abstract: <P>PROBLEM TO BE SOLVED: To easily automate processing that quarantees the uniqueness of a message by enabling two-way transmission acknowledgment with a one-way communication protocol and preventing the denial of the fact of transmission and reception.  <P>SOLUTION: In a system using only one-way request/response synchronous communication from a request side 11, when a message is transmitted from a response side 12 to the request side 11, the request side requests reception of the message, and the response side continues to transmit the same message including a signature and an ID to the request side until the request side notifies the response side that it has received the message in another communication.  <P>COPYRIGHT: (C)2003,JPO