baber/WOPTO huggingface dataset:
Patent JP-2008227081-A (JP)
Title: Magnetic coupler element and magnetic coupling type isolator
Inventor: YAMAMOTO MASAAKI
IPC: H01L43/08
Filed: 2007-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic coupler element and a magnetic coupling type isolator which provides a high S/N ratio even in a high frequency.  <P>SOLUTION: A magnetic coupler element 2 comprises a magnetic field generating circuit which contains exciting coils 7a and 7b for generating magnetic fields according to an input current, and a detection bridge circuit which contains at least one pair of magnetoresistive effect elements 9a and 9b that change resistance values when the magnetic field generated at the magnetic field generating circuit is applied, and comprises two outputs 12a and 12b generating voltage differences according to the intensity of the magnetic field generated by the magnetic field generating circuit. Geometrical shapes of the magnetic field generating circuit and the detection bridge circuit are formed in line symmetry or point symmetry.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008227401-A (JP)
Title: Optical transmitter
Inventor: ICHINO MORIYASU
IPC: H01S5/068
Filed: 2007-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical transmitter capable of suppressing temperature variation in LD right after the emission of a laser diode (LD) is permitted, and stabilizing the wavelength of a signal light.  <P>SOLUTION: The optical transmitter is equipped with an LD 10, an input terminal 40 receiving a control signal TX<SB>-</SB>Disable for permitting the emission of the LD 10, an LD driver 18 for driving the LD 10 when the control signal TX<SB>-</SB>Disable permits emission, a thermister 12 for detecting the temperature of the LD 10, an electronic cooling element 14 for cooling the LD 10, a temperature regulator 20 to provide to the electronic cooling element 14 a Peltier current Ip corresponding to the difference of a target signal Sb representing the target temperature of the LD 10 and a temperature monitoring signal Sa, and a wavelength variation suppressor 30A to change the Peltier current Ip based on the control signal TX<SB>-</SB>Disable to enlarge the cooling effect of the electronic cooling element 14 when the status of the control signal TX<SB>-</SB>Disable changes from inhibition to permission.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008226210-A (JP)
Title: Client security authentication system using certificate, authentication method for it, and program for it
Inventor: KAWABATA KENSHO
IPC: G06F21/00
Filed: 2007-03-16
Abstract: <P>PROBLEM TO BE SOLVED: To reduce information transfer between a client and a server for lowering loads of a network and a network apparatus and to keep a condition wherein only a proper client is allowed to connect to the network.  <P>SOLUTION: A PC 220 inquires of all the PCs inside the same segment whether there is a PC having a certificate newer than that of the PC 220 (a). As to the inquiry, a PC 210 transfers a new certificate and inspection item information to the inquiry source PC 220 when the PC 210 has the certificate newer than that of the PC 220 (b). The PC 220 carries out inspection by an inspection processing part 223 based on the new certificate and the inspection item information received from the PC 210 (c). When an inspection result shows conformity, the PC 220 transfers the certificate to a server 101 to notify connection (d). The PC 220 allowed to connect notifies other PCs that it has the latest certificate (e).  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008174700-A (JP)
Title: Surfactant and resin composed of the same
Inventor: MATSUOKA HIDEKI
IPC: C09K23/22
Filed: 2007-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surfactant expressing an outstanding defoaming performance, to a paint, a resin emulsion, a latex and a foaming liquid including a water soluble polymer, and excellent in separation stability.  <P>SOLUTION: The surfactant comprises a partial ester of a polyhydric alcohol, an alkylene oxide adduct of an alcohol and a compound represented by formula (1)-(5).  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007256952-A (JP)
Title: Display driver
Inventor: OTA YUSUKE
IPC: G09G3/20
Filed: 2007-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display driver which can be inspected with increased accuracy and in a shortened time.  <P>SOLUTION: The display driver includes: first to m-th holding circuits 10 for holding and outputting display data; a multiplexer 70; a D/A converter 20 for outputting gradation voltage; and an output selector 50 for receiving the gradation voltage from the D/A converter 20 at the first input terminal IN1 of the selector 50 and outputting drive voltage to the drive voltage output terminal VOUT thereof. In a test mode, serial output data respectively output from the first to m-th holding circuits 10 are input to the second input terminal IN2 of the output selector 50. The output selector 50 outputs voltage based on the data of respective bits of the serial output data input to the second input terminal IN2 to the drive voltage output terminal VOUT.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008081913-A (JP)
Title: Garment, and method for attaching garment button
Inventor: KURITA TAKASHI
IPC: A41H37/00
Filed: 2007-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a garment designed so that a button body is prevented from getting slant and can be firmly fixed to the garment even when fixed to the garment by machine.  <P>SOLUTION: The garment includes a button body 11, and a leg part 12 projecting in a ring shape downward relative to the bottom surface of the button body 11. The leg part 12 is provided with projections 17 formed to twine a thread 23 to be fixed to the garment so as to prevent the knot part of the thread 23 from projecting out of the projections 17.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008233535-A (JP)
Title: Optical wiring unit
Inventor: MOMOTSU HITOHIRO
IPC: G02B6/00
Filed: 2007-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical wiring unit that can prevent loss from being generated when an optical fiber cord etc., is inserted into and extracted from an optical component storage case and can be made inexpensive.  <P>SOLUTION: The optical wiring unit has the optical component storage case 10 having on one end surface 12, connection portions to which optical connectors are connected, and a rack 60 which stores the optical component storage case 10. The optical component storage case 10 includes a storage case main body 11, a knob portion 20, a first latch 30 locked to the rack 60 at a storage position P1, and a second latch 40 locked to the rack 60 at a draw-out position.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008229665-A (JP)
Title: Method and apparatus for form-rolling gear
Inventor: OSANAWA TOMOYOSHI
IPC: B21H5/00
Filed: 2007-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for form-rolling a gear which are suitable for extending the service life of a roller die and shortening a forming cycle time.  <P>SOLUTION: The method for applying the form-rolling to the outer peripheral part of a disk-like workpiece W by pushing a form-rolling die 2 provided with a plurality of working teeth 3A-3C for performing the form-rolling into the outer peripheral part of the workpiece W with a prescribed pushing-in speed while synchronizedly rotating to the workpiece W comprises: a first process for forming form-rolling teeth W2 at the intermediate step with the roller die 2A provided with a larger pressure angle of working teeth 3A than a prescribed pressure angle of the finish tooth shape; a second process for forming tooth bottom and tooth shape of the roll-formed teeth W2 with a roller die 2B provided with the form-rolling teeth W2 having a prescribed pressure angle of the finished tooth-shape; and a third process for forming the tooth tip parts of the form-rolling teeth W2 with the roller die 2C provided with the working teeth 3C for forming the tooth tip range of the finish tooth shape.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008234408-A (JP)
Title: Multiple-purpose use ic card system
Inventor: MITOMO YUJI
IPC: G06K19/07
Filed: 2007-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an IC card for reducing the outflow risk of display information due to theft, loss, and peep in a multiple-purpose use IC card.  <P>SOLUTION: In this multiple-purpose use IC card system equipped with an area device for managing the entry/leaving of a user to/from a service area by using an IC card carried by a user, an IC card is provided with a display means for displaying service information provided by an area device; and a deleting means for deleting the service information displayed at the display means when receiving deletion data by the area device.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008236621-A (JP)
Title: Overheat protecting circuit for audio apparatus
Inventor: KAWAGUCHI KOJI
IPC: H03F1/52
Filed: 2007-03-23
Abstract: <P>PROBLEM TO BE SOLVED: To reduce over heat by limiting the signal level of an audio signal input to a power amplifier circuit in overheat in an audio apparatus having the power amplifier circuit, and to prevent a discomfort feeling from being given to a listener during the level limitation.  <P>SOLUTION: In the audio apparatus, when the power amplifier is overheated and a temperature T of a heat sink for cooling the power amplifier circuit exceeds a first reference temperature T1, a gain G of a voltage controlled amplifier (VCA) circuit provided on a pre-stage of the power amplifier circuit is reduced from a maximum gain G1 to an initial limited gain G2. At such a time, the gain G is reduced continuously taking a time D. When the temperature T of the heat sink then exceeds a second reference temperature T2, the gain G is further limited. At such a time, the gain G is also continuously limited. When the temperature of the heat sink then exceeds a third reference temperature T3, the input of an audio signal to the power amplifier circuit is cut off.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008237272-A (JP)
Title: Bamboo charcoal panty liner
Inventor: CHIU PEI-CHENG
IPC: A61F13/15
Filed: 2007-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bamboo charcoal panty liner suppressing bacteria and having a deodorization effect.  <P>SOLUTION: This bamboo charcoal panty liner 1 consists of an upper surface layer 12, an absorbent layer 13 and a lower surface layer 14, wherein the circumferential edge of the upper surface layer is tightly sealed with the lower surface layer and has liquid permeability; the absorbent layer has the liquid absorbency and is positioned between the upper surface layer and the lower surface layer, and the lower surface layer is a thin film having no liquid permeability. The characteristics of this panty liner is that, the upper surface layer is a woven net containing the bamboo charcoal or the absorbent layer is added with bamboo charcoal powder so as to suppresses the proliferation of the bacteria and exert the effects of deodorization and blood circulation promotion by sticking efficacy of the bamboo charcoal itself and generated far infra-red rays.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008237421-A (JP)
Title: Portable shopping bag
Inventor: ABE KIYOSHI
IPC: A45C7/00
Filed: 2007-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shopping bag foldable into a compact shape for carrying in a non-use state and self-sustained in use.  <P>SOLUTION: This shopping bag is formed of a thin sheet-like material with its whole body constituted foldably and deformably. This shopping bag is provided with: elliptical side members 3 storing wire materials 2 having a spring property around their circumferences and stretching a sheet material 1 between the wire materials 2; and an upper face member 6 formed with an opening part 5 by wrapping the annular wire materials 2 with spring property with a circumferential material 4, wherein the three side members 3 and the single upper face member 6 are relatively swingably connected at circumferential edge parts in the minor axis of the ellipse, film bodies 7 formed of the same material to that of the sheet material 1 are stretched in parts formed in the major axis side of the side members 3 and the upper member 6 so as to form a shopping bag body B having the opening part in its upper face, and grip belt clothes 10 are attached across the front/rear face and the base formed of the side members 3 formed by stretching the sheet-like material 3.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2007266606-A (JP)
Title: Fluoropolymer insulating composition for circuit board, and circuit board including same
Inventor: JAPP ROBERT M
IPC: H05K1/03
Filed: 2007-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an insulating composition which can be utilized to form an insulating layer in a circuit board and which can be produced successfully using conventional manufacturing process.  <P>SOLUTION: The fluoropolymer insulating composition includes: first fluoropolymer having a first melting point, second fluoropolymer having a second melting point lower than the first melting point, a first inorganic filler having a first thermal conductivity, a second inorganic filler having a thermal conductivity lower than the first thermal conductivity, and further a supporting member formed of a fiber-glass cloth.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008251220-A (JP)
Title: Backlight unit and display device
Inventor: NAKADO HIROYUKI
IPC: G02F1/1333
Filed: 2007-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a backlight unit in which difference of luminance on the surface is reduced by arranging an LED in an appropriate position, and a display device using this.  <P>SOLUTION: The liquid crystal display device 1 has a backlight unit 3 which is provided with a holder 8, a light guide plate 9 installed inside the holder 8, and a flexible board 11 on which the LED 10 is mounted. The holder 8 has an LED housing frame 15 provided with a recessed part 14 which is open on the side of the light guide plate 9 and houses the LED 10. The recessed part 14 is formed in a size to restrict movement of the LED 10 housed in it. Light emitted from the LED 10 housed in the recessed part 14 is introduced into the light guide plate 9 from the side face 9a of the light guide plate 9, and thereafter emitted from one of the main surface of the light guide plate 9.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008249818-A (JP)
Title: Optical device and pressing member
Inventor: YAGI SHIGEYUKI
IPC: G02B6/293
Filed: 2007-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pressing member which certainly pressurizes an optical fiber positioned diagonally with respect to the edge of a substrate against the substrate and to provide an optical device having the pressing member.  <P>SOLUTION: The optical device (1) has: the optical fiber (8) positioned on the substrate (2) and diagonally extending with respect to the edge (38a) of the substrate (2); and the pressing member (28) arranged on the optical fiber (8) to pressurize the optical fiber (8) against the substrate (2). The pressurizing member (28) has: a groove (20) to hold the optical fiber (8) along the optical fiber (8); and an edge part (44a) of a parallel side face (42a) supported by the substrate (2) in a region (40) between the edge (38a) of the substrate (2) and the optical fiber (8), wherein the edge part (44a) is located on the line parallel to the axis line (8a) of the optical fiber (8).  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008252259-A (JP)
Title: Electronic equipment
Inventor: MATSUDA YOSHIKAZU
IPC: H04M1/02
Filed: 2007-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide electronic equipment in which a part to be operated such as a display part and an operation part are separated, a remote operation to the part to be operated such as the display part is made possible by the operation part and the operation of the part to be operated is controlled while suppressing an increase in costs.  <P>SOLUTION: The electronic equipment 40 is provided with casings 41 and 42 freely attachable and detachable to/from each other. The casing 41 is provided with a power source part, can input information for controlling the casing 42 and transmits the input information by electromagnetic waves. Also, in the casing 42, the control is performed on the basis of the transmitted information. The casing 42 is mounted on a mounting device 50 when detached from the casing 41 and is supplied with power from the mounting device 50. By using the casing 41 as a remote control means, the display part 42a of the casing 42 is controlled through the mounting device 50 provided with a reception part.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008249944-A (JP)
Title: Image forming apparatus
Inventor: YAMAMOTO NAOKI
IPC: G03G15/20
Filed: 2007-03-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fixing device of an image forming apparatus, the fixing device being designed so as to exert correct temperature control using a non-contact thermistor disposed in a paper passage area through a contact thermistor disposed outside of the paper passage area.  <P>SOLUTION: The image forming apparatus includes: a heat roller 10; a heater 16; a non-contact temperature detection device 30 disposed in the paper passage area of the heat roller without being in contact with it, and used to detect the non-contact temperature of the heat roller; a contact temperature detection device 40 disposed outside of the paper passage area of the heat roller so as be in contact with it and used to detect the contact temperature of the heat roller; a temperature correction means for changing to the corrected non-contact temperature of the heat roller; and a temperature control device that exerts temperature control so that the corrected non-contact temperature of the heat roller falls in a set temperature range including a predetermined temperature and the upper and lower limit temperatures. Based on the corrected non-contact temperature of the heat roller, the temperature controller specifies the temperature of the heat roller. Based on the contact temperature of the heat roller, it determines an increase or decrease of the temperature of the heat roller.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008251366-A (JP)
Title: Sealed battery
Inventor: KASHIMURA AKIRA
IPC: H01M2/04
Filed: 2007-03-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sealed battery which has a structure in which liquid pressure of an electrolytic solution is not imparted to a gas exhaust valve provided at a gas exhaust port and from which the electrolytic solution is not leaked even by occurrence of falling or the like.  <P>SOLUTION: In the sealed battery 10, a negative electrode 11, a positive electrode 12, a separator 13 for separating these both electrodes, and the electrolytic solution are provided in a sheath can 14, and an opening part of this sheath can 14 is hermetically sealed by a sealing plate 15. Then, at the sealing plate 15, the gas exhaust port 17 is installed which has the gas exhaust valve 17a for exhausting gas generated in a battery, and at the tip part into which the gas generated in the battery of this gas exhaust port 17 flows, an auxiliary valve 18 is provided which inhibits the electrolytic solution from moving into the gas exhaust port except when the gas is generated.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008249037-A (JP)
Title: Rolling bearing with rotation sensor
Inventor: ITO HIROYOSHI
IPC: F16C41/00
Filed: 2007-03-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rolling bearing with a rotation sensor, allowing the use of a standardized rolling bearing having seal grooves in the bearing ring and having a less number of components.  <P>SOLUTION: A fixed bearing ring is an outer ring 1 having the annular seal grooves 1b in both sides of a raceway surface 1a. A protruded strip 7a formed on an annular sensor holding member 7 is fitted into one of the seal grooves 1b and mounted on the outer ring 1. At the axial end of the sensor holding member 7, a collar portion 7b is provided which is protruded radially to the axial outside of a magnetic encoder 8 mounted in an inner ring 2 as a rotary bearing ring for covering the axial outside of an annular gap 9 where a magnetic sensor 6 is opposed to the magnetic encoder 8. Thus, the rolling bearing allows the use of a standardized rolling bearing having the seal grooves 1b in the outer ring 1 and has a less number of components while eliminating a core metal for the sensor holding member 7.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008255175-A (JP)
Title: Thermoplastic polymer and its manufacturing method
Inventor: MORISHITA TAKUYA
IPC: C08F8/48
Filed: 2007-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermoplastic polymer containing a glutarimide ring structural unit having high heat-resistance, more excellent in a colorless property, transparency, tensile strength and a staying stability as compared with a conventional thermoplastic resin and having excellent moist heat-resistance, and to provide its manufacturing method.  <P>SOLUTION: The thermoplastic polymer contains the glutarimide ring structural unit, has a content of an unsaturated carboxylic acid unit of 2.0 wt.% or lower and has a glass transition temperature of 110°C or higher. A yellow degree of a film having thickness of 40 μm consisting of the thermoplastic polymer is 2.0 or less and a haze value is 2.0% or less. Further, in the manufacturing method, a specific raw polymer is intramolecularly cyclized by melting kneading, to manufacture the thermoplastic polymer containing the glutarimide ring structural unit.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008258294-A (JP)
Title: Forming method of conductor layer, manufacturing method of circuit board and circuit board
Inventor: MATSUMURA YASUSHI
IPC: H05K3/10
Filed: 2007-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a forming method of a conductor layer capable of forming a conductor layer excellent in bonding strength with an insulative base material without requiring a non-electrolytic plating step.  <P>SOLUTION: The forming method of the conductor layer has a coating film forming step (S1) of coating a coating liquid containing a polyimide precursor resin and a metal compound on the surface of an insulative base material, and drying it to form a coating film; a first reducing step (S2) of immersing the insulative base material into a solution containing a reducing agent to precipitate a particle-like metal on the coating film; an immersion step (S3) of immersing the insulative base material into a solution containing a metal compound; and a second reducing step (S4) of re-immersing the insulative base material into a solution containing the reducing agent after the immersion step to precipitate the particle-like metal into the coating film, thereby forming a metal precipitation layer as the conductor layer; and an imidizing step (S5) of performing heat treatment to imidize the polyimide precursor resin in the coating film to form a polyimide resin layer.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008258849-A (JP)
Title: Source follower circuit
Inventor: SUZUKI TADASHI
IPC: H03K17/687
Filed: 2007-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a source follower circuit which is capable of reducing the variance of an output voltage due to temperature characteristics of a MOS transistor, inexpensively.  <P>SOLUTION: In a source follower circuit 10, a temperature characteristic correction circuit 11 for correcting temperature characteristics of an output circuit 12 is connected to a preceding stage of an output circuit 12 being a current mirror circuit wherein transistors MN2 and MP4 are combined to complement temperature characteristics of both of them. A resistance ratio of resistances R1 and R2 constituting a temperature characteristic correction circuit 11 is set to 0.5 to flatten a temperature characteristic of an output voltage VOUT of the source follower circuit 10, so that the variation of the output voltage VOUT due to the temperature characteristic can be eliminated. A reduced cost is achieved because of a simple configuration of the temperature characteristic correction circuit 11.  <P>COPYRIGHT: (C)2009,JPO&INPIT