baber/WOPTO huggingface dataset:
Patent JP-2007227560-A (JP)
Title: Gain-coupled distributed feedback semiconductor laser
Inventor: TAKAGI KAZUHISA
IPC: H01S5/12
Filed: 2006-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To improve a single-mode yield and obtain a high output efficiency on a side of a front end surface in a gain-coupled distributed feedback semiconductor laser.  <P>SOLUTION: Asymmetric coating is applied to the gain-coupled distributed feedback semiconductor laser; wherein a front end surface 13 for emitting laser light is covered with a coating with low reflectivity, and a rear end surface 15 is covered with a coating with high reflectivity. Further, an absorbing diffraction grating 10 is provided along an optical waveguide, and a phase shift structure 11 is provided on the diffraction grating. The mentioned structure can improve the single-mode yield of an oscillation wavelength, and can improve output efficiency on the side of the front end surface 13.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007224789-A (JP)
Title: Centrifugal compressor
Inventor: NAKAO HIDESHI
IPC: F04D29/58
Filed: 2006-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To prevent fluid such as air circulating in a circulation flow path formed by a centrifugal compressor including a casing treatment from getting high temperature.  <P>SOLUTION: In the centrifugal compressor 10 having the circulation flow path 28 opening toward a shroud part 14a of an impeller 14 and opening to a suction port 22 formed on a shroud wall 24 surrounding a shroud part 14a of the impeller 14 and forming the suction port 22, a cooling means cooling fluid circulating in the circulation flow path 28 is provided. The cooling means has a plurality of heat radiation fins 42.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2006270936-A (JP)
Title: Sign version transmitting device and sign version receiving device
Inventor: ASAHINA TADASHI
IPC: H04B1/7176
Filed: 2006-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a communications system that uses a status information represented by the shifted time of a sign sequence.  <P>SOLUTION: A sign type transmitting device 1 which changes input data into the shift time of the sign pulse train and transmits, has a means 80 of forming a synchronization signal for catching or holding synchronization; a means 50 of forming a sequence pulse train at timing, based on the synchronization signal; a means 70 of form a data processing sign pulse train with shift time settled, according to an input data according to the sequence by using the sequence pulse train; and the means 70 of forming and sending a transmission signal by a signal, based on a pulse train for a transmission signal formation, comprising a basic pulse train which has at least the data processing sign pulse train.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2006245569-A (JP)
Title: Heat dissipation conduit structure for semiconductor chip and its production process
Inventor: HWANG MING-HANG
IPC: H01L23/427
Filed: 2006-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat sink heat dissipation conduit structure for cooling semiconductor chip, and to provide its production process.  <P>SOLUTION: The heat dissipation conduit structure 31 is a hollow blocked tube arrangement in tight contact with a semiconductor chip at the heat source end 14 and being conducted with heat generated therefrom. The heat dissipation conduit structure 31 has a heat exchange surface 314 provided with fine irregularities on the inner wall surface and filled with cooling medium. In the heat dissipation conduit, surface of a metal molding is coated with carbon having a diamond structure or composed of a heat conduction material, i.e. a mixture material of a metal and fine carbon powder having a diamond structure. Carbon of a diamond structure has high thermal conductivity characteristics and can enhance heat conduction effect of the heat conduction material. Coating method of carbon having a diamond structure includes chemical vapor deposition, physical vapor deposition such as ion sputtering, electrodeposition, and other well known methods.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2007225516-A (JP)
Title: Water-stop valve
Inventor: HATANAKA YUKIO
IPC: G01M3/26
Filed: 2006-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water-stop valve for improving reliability of water-tightness of a water tubing system after inspection by facilitating attachment to the end of a synthetic resin tube, without having to use the end of the synthetic resin tube damaged by mounting the water stop valve, as it is.  <P>SOLUTION: A locking ring 14, provided on the inner peripheral side of a ring shell 11, regulates the slip of the synthetic resin tube P, biting in an oblique direction along the axial direction to the outer peripheral face of the synthetic resin tube P inserted from one end opening part of the ring shell 11. A cover-like shell 16, detachable from the ring shell 11, seals the other end opening part of the ring shell 11. The cover-like shell 16 is provided with one end opening part of the ring shell 11 and a small-diameter cylindrical part 19 smaller than the inside diameter of the locking ring 14, and an opening and closing shaft 21.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007224861-A (JP)
Title: Exhaust structure for small watercraft
Inventor: KUMASAKA TSUYOSHI
IPC: F01N13/12
Filed: 2006-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an exhaust structure for a small watercraft that can cool exhaust gas, reduce a size, weight, and also the cost of a backflow prevention chamber.  <P>SOLUTION: The exhaust structure 21 for a small watercraft is configured to cool exhaust gas in the course of leading the gas to the outside when the exhaust gas of an engine is led to the outside for discharge. This exhaust structure 21 includes a water muffler 54 containing water therein, and provided in the course of leading the exhaust gas to the outside. A backflow prevention chamber 53 is disposed above the water muffler 54 and adapted to prevent water from entering the side of the engine 13 from the side of the water muffler 54. The backflow prevention chamber 53 is provided with a cooling water injecting portion 66 adapted to spray cooling water to the exhaust gas in an internal space 76. An outlet 71 is formed at the bottom 56c of the backflow prevention chamber 53 to communicate with the water muffler 54.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007222135-A (JP)
Title: High humidity cold reserving storage
Inventor: TANIZAKI KAZUHIKO
IPC: F25D23/00
Filed: 2006-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high humidity cold reserving storage storing at low temperature and high humidity preserved objects comprising at least one selected from plants including natural flower, vegetables and fruits and other fresh food articles, and removing ethylene gas generated from the preserved objects to enable long preservation of the preserved objects.  <P>SOLUTION: This high humidity cold reserving storage 10 has a sealing chamber 11 which stores preserved objects (A) comprising at least one selected from plants including natural flower, vegetables and fruit and other fresh food articles, a cold reserving means 12 which is set in the sealing chamber 11 and adjusts temperature in the sealing chamber 11 to exceeding 0°C and ≤10°C, and a humidifying means 13 which is set in the sealing chamber 11 and humidifies to relative humidity of ≥90 %RH through giving moisture to air in the in the sealing chamber 11. The humidifying means 13 is set with an ethylene gas removing material 14 which performs either 1 or 2 of absorption and decomposition of ethylene gas generated from the preserved objects.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007234319-A (JP)
Title: Connector
Inventor: FUKATSU YUKIHIRO
IPC: H01R13/629
Filed: 2006-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connector capable of protecting a lock arm provided to a slider from interference with a foreign material or the like.  <P>SOLUTION: Since a lock arm 33 is covered with a covering part 46 at its rear part, it is protected from interference with a foreign material or the like compared to the case where it is peeled and exposed. The pressing part 43 of the lock arm 33 is provided close to the covering part 46 while set to be the level projecting beyond the periphery of the covering part 46. So, the finger that presses the pressing part 43 when releasing lock is hooked by the periphery of the covering part 46 and supported. This allows operation by hooking the finger on the covering part 46 of a fixed wall, for easy pulling out operation of a slider 30.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007235390-A (JP)
Title: Photograph printing device
Inventor: MINAMI HIROSHI
IPC: G06T3/00
Filed: 2006-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To visually ascertain a composition result on the monitor of a printing unit in a photograph printing device where image data and character data transmitted from an image processing unit are sinthesized and printed out at the printing unit.  <P>SOLUTION: The photograph printing device is equipped with a pre-view forming means 38 for displaying the character data inputted through the keyboard 5 of the image processing unit on a monitor 3 in a form that reproduces the output form of the printing unit. The pre-view forming means 38 judges a character that can't be outputted by the printing unit on the basis of a font table 39, and displays a symbol indicating that the character can't be printed on the monitor 3 when it is found that the character can't be outputted.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007235461-A (JP)
Title: Polar-coordinate modulator
Inventor: NAKAMURA MAKI
IPC: H04L27/36
Filed: 2006-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polar-coordinate modulator capable of improving a power efficiency and widening the control range of the output power of a transmission signal by optimally limiting a power to a radio communication device with a power control means.  <P>SOLUTION: The polar-coordinate modulator 1 has an amplitude limiting means 6 for limiting the amplitude component of an amplitude signal, a D/A converter 7 converting an input digital signal into an analog signal, and the power control means 8 for limiting the power so that the input signal reaches an output signal based on a power control signal. The polar-coordinate modulator is further composed of a voltage control circuit 9 supplying an amplitude modulator 11 with a voltage on the basis of the output signal from the power control means 8, an angle modulator 10 modulating an angle on the basis of a phase signal, and the amplitude modulator 11 modulating the amplitude of an angle-modulated signal on the basis of a supply voltage from the voltage control circuit 9.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007233070-A (JP)
Title: Developer control member and image forming apparatus
Inventor: TOMIZAWA TAKASHI
IPC: G03G15/08
Filed: 2006-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a developer control member which has superior properties such as charging characteristics and can charge a developer as desired, and an image forming apparatus equipped with the same developer control member.  <P>SOLUTION: The developer control member 1 comes into contact with a developer carrier that the electrophotographic image forming apparatus is equipped with to control the layer thickness of a developer and then charge the developer by friction charging, and has a support 2 and a metallic blade 3. The metallic blade 3 has a surface layer 4, which is processed with an organometallic coupling agent and has a 0.5 to 24 (nC) contact charging amount, at a part which is made of an anticorrosive material and comes into contact with the developer carrier. Further, the image forming apparatus is equipped with the developer control member 1.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007175691-A (JP)
Title: Fluid mixing apparatus
Inventor: KUROSAWA KIYOSHI
IPC: B01F15/04
Filed: 2006-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fluid mixing apparatus capable of mixing fluid in each line at an arbitrary ratio, controlling flow of pulsating fluid and installing in a narrow space with compact structure and is easy for piping and wiring connection at installation.  <P>SOLUTION: Two supply lines are provided with a first and second fluid control valve respectively, each flow rate measuring instrument which measures an actual flow rate in each line and outputs a signal, each control part which outputs a command signal in order to control the each fluid control valve and each fluid flowing in the two supply lines is mixed in the arbitrary ratio. The first fluid control valve controls the pressure of the fluid by a pressure operation of the fluid for control and the second fluid control valve controls the flow rate of the fluid by changing the opening area of the passage. For example, pure water is mixed in the ratio of 10-200 against 1 of hydrofluoric acid or hydrogen chloride in order to obtain a washing liquid for manufacturing a semiconductor.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007233771-A (JP)
Title: Autonomous mobile vehicle guidance system and method
Inventor: HASHIMOTO NAOHISA
IPC: G08G1/16
Filed: 2006-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system and a method, guiding a vehicle while autonomously moving.  <P>SOLUTION: In one embodiment of this autonomous mobile vehicle guidance system, a guidance robot guides the vehicle in a parking lot while autonomously moving. The guidance robot 100 detects the vehicle 110 (the guided vehicle) to be guided, and acquires outer shape data of the vehicle necessary for the guidance by a sensor or the like. Next, the guidance robot 100 calculates a guidance route to a prescribed parking space 120 (for example, designated by a driver) on the basis of environmental data such as empty space information and land form data 130 of the parking lot. The guidance robot 100 remotely operates the vehicle along the guidance route, or provides guidance related to driving operation to the driver, while confirming movement of the vehicle.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007235758-A (JP)
Title: Image coding apparatus and method, and computer program and computer-readable storage medium
Inventor: TAMURA HIROKAZU
IPC: H04N19/126
Filed: 2006-03-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technology of generating coded data from which a natural image is obtained without a sense of incongruity in character parts and line drawing parts by receiving an image wherein natural images, character images and line drawings are intermingled and adaptively switching between reversible coding and irreversible coding without a particular image gamut discrimination technology.  <P>SOLUTION: An image coding apparatus disclosed herein is configured with: a resolution conversion section 106 for applying resolution conversion to M0×N0 pixel blocks of received image data to produce pixel blocks with a size of M1×N1; a first coding section 102 for generating irreversibly coded data in the unit of the pixel block converted by the resolution conversion section; a difference calculation section 107 for calculating an error between the pixel blocks obtained by the resolution conversion section and the pixel blocks before the resolution conversion; a second coding section 103 for generating reversibly coded data in the unit of the M0×N0 pixel block; a number of color information extract section for extracting information of number of color distribution in the M0×N0 pixel blocks; and an image discrimination section 112 for discriminating whether or not the M0×N0 pixel block has a pre-established characteristic on the basis of the number of color distribution information extracted by the number of color information extract section and the error.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2006203234-A (JP)
Title: Silicon nitride ceramic circuit board
Inventor: NABA TAKAYUKI
IPC: H05K1/03
Filed: 2006-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a silicon nitride ceramic circuit board capable of effectively suppressing a leak current when a silicon nitride ceramic substrate is used to constitute various power modules, and capable of improving insulating property and operative reliability even in power modules with greatly increased power and capacity.  <P>SOLUTION: This invention provides the silicon nitride ceramic circuit board 1 composed of a silicon nitride sintered body in which porosity is 2.5% or less in capacity ratio and maximum size of pore existing in grain boundary phase is 0.3 μm or less. A plurality of metal circuit plates 3, 3 are provided on the silicon nitride ceramic substrate 2 having a thermal conductivity of 50 W/mK or more and a three point bending strength of 500 MPa or more, wherein a leak current value is 1,000 nA or less when an alternating voltage of 1.5 kV-100 Hz is applied to a portion between front and back surfaces of the silicon nitride sintered body under conditions of a temperature of 25°C and a humidity of 70%. An interval of the metal circuit plates 3, 3 is in a range of 0.1-2.0 mm.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2007240564-A (JP)
Title: Singing synthesis device and program
Inventor: KENMOCHI HIDENORI
IPC: G10L13/07
Filed: 2006-03-04
Abstract: <P>PROBLEM TO BE SOLVED: To synthesize singing voice with natural feeling, including pitch variation according to change of notes, without spoiling a tone which is included in an original speech element.  <P>SOLUTION: When pitch conversion of the speech element is performed, nonlinear compression or expansion to a frequency axis direction is performed on an amplitude spectrum of the speech element, and level adjusting processing is performed on the amplitude spectrum after the compression or expansion processing. Thereby, the pitch conversion is performed while maintaining a shape of the amplitude spectrum distribution near a local peak in the amplitude spectrum of the original speech element, and maintaining a spectrum envelope ENV of the original amplitude spectrum.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007241394-A (JP)
Title: Division processing management device, division processing management system, arithmetic processing execution system and division processing management method
Inventor: KITAKUBO TAKAMITSU
IPC: G06F9/50
Filed: 2006-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To distribute arithmetic processing according to a minute attribute of each terminal device when distributing the arithmetic processing to the plurality of terminal devices, for example.  <P>SOLUTION: In a mobile grid management server device 111, a processing reception part 113 receives processing requested from a client device 101 through a communication part 112, and a processing division part 114 divides the processing received by the processing reception part 113. A terminal selection control part 118 selects the processing already divided in the processing division part 114, and a processing request part 117 transmits the processing selected in the terminal selection control part 118 to a mobile terminal device 131. An attribute condition management part 116 manages an attribute condition of each mobile terminal device 131. A processing result control part 115 receives a result of the processing transmitted to the mobile terminal device 131 in the processing request part 117 through the communication part 112, confirms the result of the processing, and updates the attribute condition managed in the attribute condition management part 116 according to the result of the processing.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007242088-A (JP)
Title: Magnetic recording device, and magnetic recording and reproducing device
Inventor: SAKURAI MASATOSHI
IPC: G11B5/65
Filed: 2006-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method additionally recording information to a pattern area with a recording head even in a magnetic recording device which is provided with a magnetic recording medium having a pattern area corresponding to a ROM area.  <P>SOLUTION: A magnetic recording medium has a pattern area in which magnetically rewritable magnetic segments and magnetically non-rewritable nonmagnetic segments are arranged. First-type modulation information is recorded as the first-type segment arrangement. Prescribed magnetic segments in the first-type segment arrangement are magnetized and rewritten to be magnetized segments, and second-type modulation information is magnetically recorded to the pattern area in second-type segment arrangement of magnetized and non-magnetized segments.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007237464-A (JP)
Title: Liquid droplet jetting apparatus
Inventor: HARA KOICHIRO
IPC: B41J2/045
Filed: 2006-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid droplet jetting apparatus which can carry out gradation recording in a wider range than conventionally or can jet liquid droplets by a higher frequency than conventionally.  <P>SOLUTION: Throttling parts 34b are formed in the shape of grooves in a supply plate 34 disposed above common ink chambers 35a. The throttling part 34b communicates with the common ink chamber 35a via a communication hole 34a, and communicates with a pressure chamber 31a via a communication hole 32a. A ratio (L2/L1) between a length L2 of the throttling part 34b corresponding to a flow direction of the ink and a length L1 of the pressure chamber 31a corresponding to the flow direction of the ink is set to be not smaller than 0.34. Thus, a ratio between the maximum liquid droplet volume and the minimum liquid droplet volume can be made not smaller than 10, enabling the gradation recording in the wider range than conventionally.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007239533-A (JP)
Title: Ignition coil for internal combustion engine
Inventor: MORIYAMA NO
IPC: H01F38/12
Filed: 2006-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ignition coil for an internal combustion engine, supplying high voltage to an ignition plug of the internal combustion engine in an automobile or the like, having a capacitor for removing noise generated when spark discharge is generated or for improving resistance to the noise, with reduced stress on the capacitor.  <P>SOLUTION: The circumference of the capacitor for removing the noise or improving the noise resistance is covered with silicon resin with elasticity higher than that of an insulating member used for insulation of the ignition coil for an internal combustion engine. Therefore, the stress on the capacitor caused by secular change can be absorbed.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007238229-A (JP)
Title: Elevator device
Inventor: SAKAI MASAYA
IPC: B66B1/30
Filed: 2006-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an elevator device improved in controllability by synchronizing rotating speeds of a plurality of hoisting machines, while securing a necessary traction force.  <P>SOLUTION: A control device 19 has a first control section 20 for controlling the operation of a first hoisting machine 4 and a second control section 21 for controlling a second hoisting machine 5. The first control section 20 controls the operation of the first hoisting machine 4 based on a speed command related to the travelling speed of an elevator car 1. The second control section 21 controls the operation of the second hoisting machine 5 based on a torque command generated separately from the speed command.  <P>COPYRIGHT: (C)2007,JPO&INPIT