baber/WOPTO huggingface dataset:
Patent JP-2010035163-A (JP)
Title: Method for estimating, by receiver, likelihood of at least two received symbols assuming symbols transmitted by transmitter through channel, estimator therefor and computer program
Inventor: BRUNEL LOIC
IPC: H03M13/39
Filed: 2009-07-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for estimating, by a receiver, the likelihood of at least two received symbols assuming symbols transmitted by a transmitter through a channel.  <P>SOLUTION: The estimation of the likelihood of received symbols is iterative. A method includes the steps executed at each iteration of: obtaining for each of at least two received symbols, information representative of a channel estimate based on observation on the received symbols; calculating a mean from the obtained information; estimating the likelihood of each of the at least received symbols assuming that the transmitted symbol is a given modulation symbol and assuming that a probability density function of the channel estimate is a Gaussian function having a means which is equal to the calculated means.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011016312-A (JP)
Title: Control method for image forming apparatus, and image forming apparatus
Inventor: IIDA MASARU
IPC: B41J2/44
Filed: 2009-07-09
Abstract: PROBLEM TO BE SOLVED: To effectively prevent degradation of print image quality due to the variation of laser scanning speed on the surface of a photoreceptor resulting from a face tangle error of a polygon mirror.SOLUTION: This control method for an image forming apparatus forming an electrostatic latent image on the surface of the photoreceptor by scanning the surface of the photoreceptor with laser beams deflected on each reflecting surface of the rotating polygon mirror includes varying the forming position of the electrostatic latent image for every reflecting surface along the scanning direction of the laser beams.
Patent JP-2011018418-A (JP)
Title: Optical disk apparatus
Inventor: KIKUKAWA ATSUSHI
IPC: G11B7/004
Filed: 2009-07-10
Abstract: PROBLEM TO BE SOLVED: To provide an optical disk apparatus which detects a tracking error signal from only a space section of a recorded signal in order to avoid tracking instability in writing, wherein power consumption thereof is saved, while a circuit scale thereof is decreased, and a cost thereof is accordingly reduced.SOLUTION: The optical disk apparatus includes push-pull signal detection means having a sufficient operation bandwidth and light-pulse-train insertion means inserting a light pulse train in an optional position of a recording light waveform signal for solving a problem in writing. The apparatus further includes a push-pull signal detection means detecting a push-pull signal in synchronization with an inserted light pulse train. The apparatus further includes a push-pull signal detection means detecting a push-pull signal, during reproduction, from only a space section of a signal recorded on a disk.
Patent JP-2011019203-A (JP)
Title: Radio station, transmitting station, and frequency band sharing method
Inventor: HARADA HIROKI
IPC: H04W48/10
Filed: 2009-07-10
Abstract: PROBLEM TO BE SOLVED: To expand a signal transmission opportunity in a second radio communication system, that is a non-priority system, and to prevent signal quality deterioration in a first radio communication system that is a priority system.SOLUTION: This frequency band sharing method includes: a step where a transmitting station in a second radio communication system determines whether transmission of a second radio communication system signal using a shared frequency band is possible or not based on load information of a first radio communication system broadcast from a base station in the first radio communication system; a step where the transmitting station in the second radio communication system calculates predicted interference power caused in a receiving station in the first radio communication system by the second radio communication system signal transmitted using the shared frequency band; and a step where the base station in the first radio communication system increases an allowable interference level of a first radio communication system signal transmitted using the shared frequency band based on the predicted interference power broadcast from the transmitting station in the second radio communication system.
Patent JP-2011020185-A (JP)
Title: Electric discharge machine and electric discharge machining method
Inventor: KURIKI HIRONORI
IPC: B23H7/02
Filed: 2009-07-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric discharge machine and an electric discharge machining method capable of suppressing corrosion of a workpiece subjected to electric discharge.  <P>SOLUTION: A material discrimination sensor 25 discriminates the kind of a metallic material of a workpiece 1. A liquidity measuring sensor 24 measures the liquidity of machining liquid 60. An anticorrosive agent addition unit 50 adds a plurality of kinds of anticorrosive agents to the machining liquid 60 independently from each other. A machining liquid liquidity changing system 26 controls the anticorrosive agent addition unit 50 based on information on the kind of the metallic material discriminated by the material discrimination sensor 25, and information on the liquidity of the machining liquid 60 measured by the liquidity measuring sensor 24.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2009233362-A (JP)
Title: Card type pachinko game machine
Inventor: NAKATANI NOBUHIDE
IPC: A63F7/02
Filed: 2009-07-14
Abstract: <P>PROBLEM TO BE SOLVED: To avoid wrong operation of signal processing by discriminating between put-out of a prize ball and put-out of a dispensed ball and to achieve quick signal processing in a Pachinko game machine including a put-out function of the dispensed ball using a prepaid card.  <P>SOLUTION: This card type Pachinko game machine includes: a prize ball detecting switch; a ball dispensing operation switch 31 of an external card processing unit 30; and a ball put-out device 80 for putting out a game ball according to the respective switches, wherein the prize ball detecting switch is connected to a main control board 91, and the ball dispensing operation switch 31 and the ball put-out device 80 are connected to a CR put-out control board 88. The CR put-out control board 88 puts out a prize ball by the ball put-out device 80 on receiving a prize ball put-out command from the main control board 91 corresponding to the detecting operation of the prize ball detecting switch, and conducts the control for putting out a dispensing ball by the ball put-out device 80 on receiving a ball dispensing request by the ball dispensing operation switch 32.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011023164-A (JP)
Title: Socket for semiconductor device
Inventor: ISHIBASHI TAKAHIRO
IPC: H01R33/76
Filed: 2009-07-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a socket for a semiconductor device capable of retaining the semiconductor device without giving scratches on an outer peripheral surface of an IC package of the semiconductor device when holding the semiconductor device.  <P>SOLUTION: A pressing member support 18 and a pressing member 20 come in contact with the outer peripheral surface of the IC package of the semiconductor device DVA at designated pressure without making a pressing surface of a pressing part 20T of the pressing member 20 after turning around a connection pin 27 of the pressing member support 18 as the center so as to project into an opening 14H of a holder 14.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011021408-A (JP)
Title: Arch center for tunnel
Inventor: HORI AKIRA
IPC: E21D11/10
Filed: 2009-07-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an arch center, performing efficient secondary lining work, not requiring alteration of a moving mechanism whether the primary lining is a concrete segment or a steel segment.  <P>SOLUTION: This arch center 1 for a tunnel includes: a gantry 2 extending in the axial direction in the tunnel T and supported on an inner peripheral wall T2 of the tunnel T to be movable in the axial direction; and a form 3 supported by the gantry 2 to form an injection space S for lining concrete in a space up to the inner peripheral wall T1. Moving mechanisms 5, 6 movably supporting the gantry 2 on the inner peripheral wall T2 are provided only on the one half part of the gantry 2 outside the form 3.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011012525-A (JP)
Title: Video image communication device for construction sites such as condominium building repair worksite
Inventor: IWANE YASURO
IPC: E04G23/00
Filed: 2009-06-30
Abstract: PROBLEM TO BE SOLVED: To provide an agile processing/communicating system of video image on a construction site, which transmits conditions of the construction site/worksite in a repair work of a condominium building, etc. in a finely-tuned real-time image to a supervisor such as a first-class architect and promoters such as condominium residents physically far away from the site, so as to achieve a "clear and transparent construction site" between the construction site and the supervisor, promoters, while obtaining rational and efficient construction administration by the supervisor being short on staff, qualitative improvement both in administration tasks and the construction work with appropriate instructions and also relief of the promoters.SOLUTION: A video-image processor/transmitter equipped with a video camera and a mobile communication mechanism is agilely brought in the construction site, so that the images taken by the video camera is digitally converted thereby, a JPEG-formatted image file is created, a date/time signal acquired from a timer is synthesized on this image file, and then the images or e-mails are transmitted to a mobile communication terminal device specified by PHS communication or wireless WAN, or otherwise to a wire communication terminal device, over communication networks such as the Internet.
Patent JP-2011029987-A (JP)
Title: Compression distortion elimination apparatus
Inventor: RI SHIN
IPC: H04N19/136
Filed: 2009-07-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compression distortion elimination apparatus capable of reducing the amount of computation.  <P>SOLUTION: The compression distortion elimination apparatus performs filtering on each of a plurality of frames included in an input image signal using any one of a plurality of filters. When a scene change has not occurred in a filtering target frame and a temporal correlation between a local area including the filtering target pixel and a local area including a best match pixel of a reference frame is high, a filtering process is performed on the filtering target pixel using the same filter as a filter used for the best match pixel, thereby reducing the amount of computation accompanying the compression distortion elimination.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011029061-A (JP)
Title: Shunt switch, semiconductor device,module and electronic device
Inventor: AKIBA AKIRA
IPC: H01P1/12
Filed: 2009-07-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shunt switch in which isolation can be improved, and provide a semiconductor device, a module and electronic equipment in which that shunt switch is built-in.  <P>SOLUTION: A transmission line 11 which transmits high frequency signals is grounded to the ground 12 by a shunt line 13. The shunt line 13 is made parallel to two or more impedances Z3 between two or more of those shunt lines 13, which are set higher than an impedance Z2 of the transmission line 11. Generation of returning signal via shunt lines 13A to 13C is suppressed and the impedances Z1 of respective shunt lines 13A to 13C are reduced. Accordingly, isolation in an Off-state (closing operation) is improved.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011030394-A (JP)
Title: Charge pump circuit, and method for controlling operation thereof
Inventor: NISHIDA JUNJI
IPC: H02M3/07
Filed: 2009-07-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a charge pump circuit capable of simultaneously obtaining an output voltage lower than an input voltage and an output voltage higher than the input voltage from one flying capacitor, and moreover enabling setting of the output voltages in both cases, and capable of reducing a fluctuation of the output voltage due to a load change.  <P>SOLUTION: A step-down comparison voltage Vfb1, a step-up comparison voltage Vfb2, a first reference voltage Vr1, and a second reference voltage Vr2 are used to compare the step-down voltage Vbuck with the first reference voltage Vr1 which is the target voltage of the step-down voltage Vbuck, and the step-up voltage Vboost with the second reference voltage Vr2 which is the target voltage of the set-up voltage Vboost by comparators 21 and 22 in an output voltage detection circuit 3, and a control circuit 4 controls the switching of respective switches S1 to S8 in a voltage conversion circuit 2 in accordance with the comparison result, thereby controlling the charging cycles of a step-down output capacitor C1 and a step-up output capacitor C2.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010037657-A (JP)
Title: Method for producing silver nanoparticle
Inventor: LI YUNING
IPC: B22F1/054
Filed: 2009-08-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a more inexpensive method for preparing a silver-containing nanoparticle composition.  <P>SOLUTION: The method provided in the embodiments includes: (a) preparing a reaction mixture which contains a silver salt, a reducing agent containing a hydrazine compound, a stabilizer that can be removed by heat and an optional solvent (where the reaction mixture generates acid) to form a plurality of silver-containing nanoparticles having molecules of the stabilizer on the surfaces of the silver-containing nanoparticles; and (b) removing the acid to produce silver-containing nanoparticles that substantially do not contain the acid.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009260384-A (JP)
Title: Semiconductor device
Inventor: OGIWARA MITSUHIKO
IPC: H01L33/36
Filed: 2009-08-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device capable of easily integrating a plurality of semiconductor thin-films consisting of different materials.  <P>SOLUTION: The semiconductor device has a substrate having an insulating property and conductive layers formed along one surface of the substrate. A plurality of the semiconductor thin-films being mutually isolated in the direction along the surface of the substrate and having crystal structures respectively are joined with the conductive layers. Electrodes are connected to surfaces on the reverse side to joint surfaces with each conductive layer of a plurality of the semiconductor thin-films. Each semiconductor thin-film contains light-emitting elements emitting lights in approximately the vertical direction to the surface of the substrate by applying voltages among the conductive layers and the electrodes. The light-emitting elements contained in each of at least two of a plurality of the semiconductor thin-films emit the lights having mutually different wavelengths.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010215889-A (JP)
Title: Film-forming composition and film using the same
Inventor: ARIMA HIROAKI
IPC: C08L101/12
Filed: 2009-08-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a film-forming composition which has preferable dispersion property to various kinds of organic mediums and is excellent in adhesiveness to a base and gas barrier property.  <P>SOLUTION: The film-forming composition containing: a composite material of a layer inorganic compound and a cationic polymer; and an organic medium is used. Such a film-forming composition can form a film which essentially comprises the layer inorganic compound and has a satisfactory adhesiveness to various kinds of bases because the layer inorganic compound is organized by polymer and is dispersed into the organic medium.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011036971-A (JP)
Title: Guide attachment of electric drill and boring machine including the same
Inventor: HORI KOICHIRO
IPC: B23B49/00
Filed: 2009-08-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a guide attachment of an electric drill capable of simply carrying out boring work in an orthogonal direction to a target to be bored.  <P>SOLUTION: The guide attachment 5 of the electric drill 3 is mounted on the electric drill 3 having a drill bit 2 and guides boring work on the target C to be bored by the electric drill 3. It has an insertion opening 61 to which the drill bit 2 is inserted and includes a nose block 52 to be pushed against the target C and a guide mechanism for guiding relative movement of the electric drill 3 in the boring direction for the nose block 52. The nose block 52 has a pressed guide part 57 which is pressed against the target C and guides the boring of the drill bit 2 in the right-angled direction to the target C.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011044215-A (JP)
Title: Electronic equipment
Inventor: MIYAUCHI KUNIHIRO
IPC: G11C11/406
Filed: 2009-08-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide electronic equipment which can set up an appropriate refresh rate regardless of temperature changes in a case due to cooling capability of a cooling device, and prevent data loss in SDRAMs of the electronic components mounted on a circuit board in the case.  <P>SOLUTION: A CPU3 in this electronic equipment has a temperature range determination function to determine a set value setup of the SRT which is a mode register to determine the refresh rate in a self-refresh mode based on temperature information obtained by a temperature sensor 10 through a DRAM controller 2 before the SDRAM1 shifts to the self-refresh mode, and specifies a graphic/memory controller 2a of the DRAM controller 2 to change the set value of the SRT of the SDRAM1. Thus, the SDRAM1 shifts to the self-refresh mode following the refresh rate established depending on the SRT set up by the temperature range determination function of the CPU3.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011049628-A (JP)
Title: Earplug and hearing aid using the same
Inventor: IWANO KENJI
IPC: H04R25/00
Filed: 2009-08-25
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a feeling of the occlusion of a hearing aid, and to make howling hardly occur.  <P>SOLUTION: An earplug mounted in the hearing aid includes a cylindrical portion 30 which forms a sound path extending from a base 32 toward a front end 31 and emits a sound from the front end, a first annular flange 10 formed so as to roughly hemispherically spread from the front end 31 of the cylindrical portion 30 toward an intermediate part 33, and a second annular flange 20 formed so as to roughly hemispherically spread from the intermediate part of the cylindrical portion 30 toward the base. The first annular flange 10 has a first through hole 11, and the second annular flange 20 has a second through hole 21, and the first through hole 11 and the second through hole 12 are disposed without overlapping in an axial direction from the front end to the base of the cylindrical portion 30.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011049755-A (JP)
Title: Filter, duplexer, communication module, and communication device
Inventor: TSUTSUMI JUN
IPC: H03H9/72
Filed: 2009-08-26
Abstract: <P>PROBLEM TO BE SOLVED: To improve the degree of suppression of a balanced filter by canceling an imbalance in bridging capacitance that exists between an input terminal and two output terminals.  <P>SOLUTION: The balanced filter is provided with the input terminal 2c, filter elements 21 and 22 for filtering a signal input to the input terminal 2c, and a first output terminal 2a and a second output terminal 2b for differentially outputting the signals from the filter elements 21 and 22. A capacitor C3 is connected between the input terminal 2c and the output terminal of one of the first output terminal 2a and the second output terminal 2b.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011048887-A (JP)
Title: Substrate for suspension, suspension, suspension with head, and hard disk drive
Inventor: HIRATA KENRO
IPC: G11B21/21
Filed: 2009-08-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a substrate for suspension of which the whole thickness can be reduced, and which can be manufactured efficiently.  <P>SOLUTION: A substrate 1 for suspension includes an insulation layer 2, a first conductor 3 provided at one side plane of this insulation layer 2, a second conductor 4 provided at the other side plane of the insulation layer 2, and a metal substrate 5 laminated on the second conductor 4. Grooves 6 are formed at the second conductor 4 and the metal substrate 5 out of the above, the second conductor 4 comprises a plurality of second conductor part 4a and 4b separated through the groove 6. Also, the metal substrate 5 comprises a plurality of metal substrate parts 5a corresponding to respective second conductor parts 4a, 4b.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011053432-A (JP)
Title: Image forming apparatus
Inventor: MAEDA HIROAKI
IPC: G03G15/16
Filed: 2009-09-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which does not cause deterioration of image quality of black and color images and can also use recycled toner.  <P>SOLUTION: The image forming apparatus includes: at least a plurality of image forming parts to form images with toner of a plurality of colors; a means to reuse waste toner collected from the image forming parts; and an intermediate transfer body to collectively transfer the respective images formed by the image forming parts to a recording medium. The image forming apparatus includes: three or more image forming parts 12Y, 12M and 12C to form the images onto the intermediate transfer body 6; and two or more image forming parts 12B and 12RE to directly transfer the images onto the recording medium.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011052343-A (JP)
Title: Men's underwear
Inventor: OKADA SHIRO
IPC: A41B9/02
Filed: 2009-09-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a men's underwear by which the penis, scrotum and testes of the wearer can be firmly and stably secured to the body.  <P>SOLUTION: The men's underwear 1, which is to be used to press and secure the penis to the space between legs, comprises: a penis-supporting member 10 in the form of a cloth tube which is located in the lower part of the space between legs, when worn by the wearer, so that the penis is inserted from a front-side opening thereof into the inner space; a bag-shaped scrotum-supporting member 20 which includes the penis-supporting member 10, when worn by the wearer, and covers over the whole scrotum from a front-side opening 22 to thereby totally cover the penis, testes and scrotum; front-side connecting cords 31, 33 which are fixed at one end to the front side part of the penis-supporting member 10 and the scrotum-supporting member 20; and back-side connecting cords 32 which are fixed at one end to the back side part of the penis-supporting member 10 and the scrotum-supporting member 20. When the men's underwear is worn by the wearer, the front-side connecting cords 31, 33 and the back-side connecting cords 32 are fixed to the wearer's body or a member having been worn by the wearer.  <P>COPYRIGHT: (C)2011,JPO&INPIT