baber/WOPTO huggingface dataset:
Patent JP-2008271620-A (JP)
Title: Motor servo apparatus
Inventor: OKUYAMA YOSHIHIRO
IPC: H02P27/06
Filed: 2007-04-16
Abstract: <P>PROBLEM TO BE SOLVED: To continue servo control in a PWM-control motor servo apparatus of 120°-energization/commutation bootstrap drive type even when a motor stalls.  <P>SOLUTION: A drive unit individually fires/arc-extinguishes the high-side switch elements and the low-side switch elements of a half-bridge of each phase. The drive unit is so constructed as to temporarily fire the low-side switch elements of a quiescent phase that are in a quiescent period without energization. As a result, it is possible to charge a capacitor of a bootstrap circuit without fail and thus fire the high-side switch elements without fail. Therefore, servo control is continued.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008266678-A (JP)
Title: Steel tube for machine structure having excellent machinability, and its production method
Inventor: SHINOHARA YASUHIRO
IPC: C22C38/22
Filed: 2007-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a steel tube for machine structure which is improved in machinability by controlling the metallic structure of a high strength Cr-Mo steel particularly subjected to nitriding treatment for improving surface hardness, and to provide its production method.  <P>SOLUTION: The steel tube for a machine structure having excellent machinability has a composition containing, by mass, 0.15 to 0.45% C, 0.1 to 0.4% Si, 0.5 to 1.0% Mn, 0.5 to 1.5% Cr, 0.05 to 0.5% Mo and 0.001 to 0.03% S, and the balance iron with inevitable impurities and whose metallic structure observed by an optical microscope is a mixed structure of bainite and martensite, and in which the volume fraction of retained austenite measured by an X-ray diffraction method is ≥2%.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008270470-A (JP)
Title: Magnetic sensor
Inventor: SATO HIDEKI
IPC: G01R33/09
Filed: 2007-04-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic sensor which can detect the direction of an external magnetic field accurately by reducing deterioration of soft-magnetic characteristics of a free layer which constitutes an MGR element.  <P>SOLUTION: In the magnetic sensor, a silicon oxide film 11i having a flat plane and a slope face inclined with respect to the flat plane is formed on a substrate 11 and a large magnetoresistance effect element is formed on at least the slope face out of the flat plane and the slope face by stacking the free layer F, a conductive layer S, and a pin layer P. In the magnetic sensor, a base layer 11r made of silicon nitride is formed on the silicon oxide film 11i, and the large magnetoresistance effect element is formed on the base layer 11r.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008265154-A (JP)
Title: Manual type planer having driving unit
Inventor: NOGUCHI SHINICHI
IPC: B27C1/10
Filed: 2007-04-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manual type planer having a driving unit which can more smoothly cut a material to be machined by less labor, and in addition, can further reduce the capacity of the driving unit.  <P>SOLUTION: A planer blade 3 is fitted horizontally movably in the lateral direction which is the perpendicular direction to the longitudinal direction (planning direction) of a planer base 1. The planer blade 3 is reciprocatingly moved in the lateral direction by a prescribed stroke by the driving unit 5 such as a motor, and the cutting sharpness of the planer blade 3 is raised. Thus, a resistance to the force when planning is performed is greatly reduced, and the smooth cutting in the longitudinal direction is made possible. On both ends of a cutting blade 3a on the lower end of the planer blade 3, a cutting blade 3b in the lateral direction is installed, and a slide cutting in the lateral direction is made smoother, and the cutting in the longitudinal direction is made further smoother.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008268659-A (JP)
Title: Image forming apparatus
Inventor: SHIMODO YUYA
IPC: G03G21/00
Filed: 2007-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To prevent formation of a defective image by avoiding continuation of an image forming operation unless a normal nip is formed between a pair of conveyance rollers after resolution of jamming.  <P>SOLUTION: A freely openable/closable cover 17 is provided to a part of a main body 10 of an image forming apparatus 1 and a freely openable/closable movable chassis 18 is arranged inside the cover 17. The movable chassis 18 supports a movable conveyance roller 22. The shaft 24 of a fixed conveyance roller 21 and the shaft 25 of the movable conveyance roller 22 are made of metal and contact pieces 26A, 26B are attached to the shaft 25 via a block 27 made of an insulating material. When the normal nip is formed between the fixed conveyance roller 21 and the movable conveyance roller 22, the contact pieces 26A, 26B are brought into contact with the shaft 24. A control part 30 detects that electric conduction is generated between the contact pieces 26A, 26B and the shaft 24 and continues the image forming operation.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008265841-A (JP)
Title: Carrier box for ceiling mounted lighting fixture
Inventor: SAITO HIDEFUMI
IPC: B65D85/30
Filed: 2007-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a carrier box for a ceiling mounted lighting fixture by which the lighting fixture can be carried safely in a state of being mounted by extremely simple work.  <P>SOLUTION: The carrier box 1 is used to carry the ceiling mounted lighting fixture 2 having a connector receptacle 21 at the top end that is connected to a connector installed on a ceiling. The carrier box 1 includes a space 5 which can store at least the side wall or top wall open partially or totally and the lighting fixture 2, and an inside fixing member 3 keeps a connection portion 4 that can be connected to or separated from the connector receptacle 21 of the lighting fixture 2 installed at the upper part of the space 5.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008268721-A (JP)
Title: Optical scanner and image forming apparatus
Inventor: HIRAKAWA MAKOTO
IPC: G02B26/10
Filed: 2007-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical scanner reducing deviation of subscanning beam pitch.  <P>SOLUTION: The optical scanner is provided with: a light source having a plurality of light emitting parts; a polygon mirror which deflects a luminous flux from the light source; a cylindrical lens which is arranged on the optical path of the luminous flux emitted from the light source and directed toward the polygon mirror, and focuses the luminous flux from the light source near the polygon mirror in terms of subscanning direction; and a scanning optical system which guides the luminous flux deflected with the polygon mirror to a photoreceptor drum. The optical scanner is so set that respective main light beams ch1 and ch40 approach each other after passing through the cylindrical lens but do not cross with each other between the cylindrical lens and a scanning lens on the side of an image side. Thus, the variation in the subscanning beam pitch is small even when the position Pimg of an image face is deviated with respect to the traveling direction of light.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008255757-A (JP)
Title: Street gutter for suppressing outflow
Inventor: OSHIMA MASATAKE
IPC: E03F5/04
Filed: 2007-03-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a street gutter structure capable of preventing the strength from being lowered since water is penetrated only into the ground under a sidewalk and does not affect the paved road of a lane part by diverting the peak flow into an underground storage part to suppress the outflow in a street gutter for draining the rainwater on the surface of a lane and the pavement permeating water to a sewage system.  <P>SOLUTION: An overflow port communicating with a sidewalk side delivery port is formed in the inner surface of a water permeating part at a height of exceeding an ordinary water-level. Precast concrete drain blocks of such a structure that the enlarged opening part of the delivery port forms a hollow storage part together with the replacement member of a penetrating trench are arranged continuously with each other to form a street gutter. The penetrating trench replaced with a single grain crushed stone with high porosity is deposited closely to the side walk along the extension of the street gutter to maintain the drain capacity of the gutter at the ordinary water-level and the water flow exceeding a high level peak flow is diverged and discharged from the hollow storage part into the penetrating trench. Consequently, the outflow can be suppressed by storing and penetrating the water only into the ground under the walkway.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008106222-A (JP)
Title: Manufacturing process of sulfur-containing cyclic saturated polyolefin
Inventor: YAMAMOTO TOSHIHIDE
IPC: C08G61/06
Filed: 2007-04-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an efficient manufacturing process of a sulfur-containing cyclic saturated polyolefin which is expected to be used as an optical material having a high refractive index by hydrogenating a sulfur-containing cyclic unsaturated polyolefin difficult to be hydrogenated by conventional processes.  <P>SOLUTION: The manufacturing process of the sulfur-containing cyclic saturated polyolefin comprises hydrogenating a sulfur-containing cyclic unsaturated polyolefin in the presence of an organic solvent, hydrazine and oxygen using a flavin-based compound as a catalyst.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008277992-A (JP)
Title: Communication method and base station device using same
Inventor: KOMURA MAYUMI
IPC: H04W16/02
Filed: 2007-04-26
Abstract: <P>PROBLEM TO BE SOLVED: To securely indicate time alignment from a plurality of base station devices to a terminal device to which a sub-channel can be allocated.  <P>SOLUTION: A base station device 10 forms a frame by time-multiplexing a plurality of time slots while forming the time slots by frequency-multiplexing a plurality of sub-channels. A radio resource allocation unit 38 allocates at least two sub-channels to a terminal device. The radio resource allocation unit 38 determines the two sub-channels to be allocated to the terminal device so that the number of time slots including at least the two sub-channels may decrease. An RF unit 20 a base-band processing unit 22, a modulation and demodulation unit 24 communicate with the terminal device to which the radio resource allocation unit 38 has allocated at least the two sub-channels while performing time alignment.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008278657-A (JP)
Title: Motor driving system and motor driving method
Inventor: SAHASHI YOSHIHIDE
IPC: H02P6/16
Filed: 2007-04-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a motor driving system and a motor driving method for surely detecting a position even when switching noise occurs.  <P>SOLUTION: The motor driving system 100 has an electric motor 9, a motor driver circuit 2 for driving the electric motor 9 by switching-operation, a position detector 10 for detecting a position of the electric motor 9, and a control part 1 for controlling the motor driver circuit 2 on the basis of the detection result of the position detector 10. The control part 1 has a PWM generation circuit 11, which is connected with the electric motor 9 via a transmission path 6 so as to generate a plurality of drive voltages for driving the electric motor 9, a feedback circuit 12 for feedback-controlling the PWM generation circuit 11 on the basis of a position detection signal from the position detector 10, and a switching stop circuit 13 for temporarily stopping switching of the drive voltages in the PWM generation circuit 11.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008277588-A (JP)
Title: Magnetic attractor and manufacturing method thereof
Inventor: KIZAWA RYOSAKU
IPC: H01F7/02
Filed: 2007-04-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic attractor that has excellent attraction force and can be manufactured easily and safely.  <P>SOLUTION: The magnetic attractor 180 has a neodymium magnet 111 and a yoke 181 holding the neodymium magnet 111. The yoke 181 has a back yoke section 183 for attracting the neodymium magnet 111 and a peripheral yoke section 184 that is integrated with the back yoke section 183 and surrounds the neodymium magnet 111. At the back yoke section 183, a screw hole section (through hole) 183a is formed, where the screw hole section passes through the back yoke section 183 to reach the neodymium magnet 111.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008275987-A (JP)
Title: Speech recognition device and conference system
Inventor: HATA NORIYUKI
IPC: G10L15/00
Filed: 2007-05-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a speech recognition device and a conference system, capable of creating a minutes data in which utterance contents for each of a plurality of speakers are accurately regenerated.  <P>SOLUTION: A control section 11 sequentially collects a sound signal in each sound collection direction by using an array microphone 12, and the sound signal of the largest voice level together with the corresponding sound collection direction is stored in a sound collection area of a storage section 13. Then, the control section 11 selects a dictionary corresponding to the sound collection direction stored in the storage section 13 from a dictionary group 13b, by referring to a direction and/or dictionary table 13c. The control section 11 reads out the selected dictionary and a reference dictionary 13a and performs speech recognition processing (speech period detection, phoneme recognition, word recognition and sentence recognition) of the sound signal. Regarding an element which is not described in the selected dictionary, the control section 11 uses the reference dictionary 13a, and additionally records the element to the dictionary, and moreover, a feature specific to the speaker regarding to the sound signal is also recorded.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008277651-A (JP)
Title: Light-emitting diode
Inventor: NAGAO SATORU
IPC: H01L33/16
Filed: 2007-05-02
Abstract: <P>PROBLEM TO BE SOLVED: To improve the internal quantum efficiency and the external quantum efficiency of a light-emitting element, to provide the light-emitting element that is low in power consumption, high in emission efficiency, and uniform in light distribution characteristics.  <P>SOLUTION: A light-emitting diode includes a substrate 1 which is transparent to light having an emission wavelength and has irregularities on the back face of the substrate 1, a first reflective layer (n-side reflective layer) 2 formed on the main surface of the substrate 1, an n-type group III nitride semiconductor layer 3, a light-emitting layer 4, and a p-type group III nitride semiconductor layer 5 that are formed on the reflective layer 2, and a second reflective layer (p side reflective layer) 6 formed on the p-type group III nitride semiconductor layer 5. The n-side reflective layer 2 and a p-side reflective layer 6 between which the light-emitting layer 4 is formed form an optical resonator (with a length L) in which the light-emitting layer 4 is located at the belly of a standing wave formed in the optical resonator to select and extract only resonance mode light. The irregularities formed on the back face of the substrate 1 scatter and diffuse the light of the standing wave (extracted light) to obtain uniform light distribution characteristics.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008280562-A (JP)
Title: Apparatus and method for working metal surface
Inventor: SATO MASAYASU
IPC: B23K26/352
Filed: 2007-05-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for working a metal surface, which makes the metal surface develop a stable color that is not affected by a viewed direction and angle, without depending on an interference mechanism of light, with a comparatively simple process.  <P>SOLUTION: This working method includes effectively forming a surface-modified layer, by irradiating a metal surface with a laser beam in an ultraviolet region, which is reflected by a metallic material at a lower reflectance. Specifically, the irradiating laser beam has a wave length in the ultraviolet region of 100 to 400 nm, and the surface-modified layer is formed on the metal surface by the steps of condensing the ultraviolet laser beam, and irradiating the metal surface with the condensed laser beam while making the beam scan the metal surface with a two-dimensional shape. In addition, the ultraviolet laser beam is scanned preferably so that the condensed region can overlap with each other. Furthermore, the irradiation energy included in irradiation conditions is preferably 0.1 to 10 J/cm<SP>2</SP>.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008283539-A (JP)
Title: Clock reproducing device for multivalued signal
Inventor: SAITO JUICHI
IPC: H04L7/02
Filed: 2007-05-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a clock reproducing device for a multivalued signal for reproducing a clock from a multivalued serial signal more than a ternary.  <P>SOLUTION: A comparator 132 with hysteresis outputs a high level when a difference Sn-Sd between a multivalued serial signal Sn and a delay signal Sd becomes larger than a prescribed positive value V1, and outputs a low level when the difference Sn-Sd becomes smaller than a negative value V2. Thus, a signal conversion circuit 130 outputs a high level in accordance with a period during which a signal value of the multivalued serial signal Sn starts to rise and the signal value starts to fall, and outputs a low level in accordance with a period during which the signal value of the multivalued serial signal Sn starts to fall and the signal value starts to rise. A clock recovery circuit 140 reproduces a clock CLK from a binary serial signal Sb generated in this way.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008282730-A (JP)
Title: Electric power communication panel and power supply communication system
Inventor: HARAKAWA KENICHI
IPC: H02G3/30
Filed: 2007-05-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric power supply communication system which can supply power easily to wide power supply communication object planes and can secure safety of a user.  <P>SOLUTION: This is an electric power communication panel 10 which is constructed integrally by mutually arranging in superimposed form a plurality of conductive plates 11, 12 and an insulating layer 13 installed between these plurality of conductive plates 11, 12. At least one sheet of the conductive plates 11, 12 arranged at the outside of the power communication panel 10 is made the conductive plate 11 connected to a DC power supply so as to serve as a grounding electrode, and the insulating layer 13 is made a communication path for transmitting a communication signal.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008281864-A (JP)
Title: Image forming apparatus
Inventor: KAIMA NOBUKANE
IPC: G03G15/00
Filed: 2007-05-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus for shortening a compensation period by forming a displacement detection pattern while forming a process control pattern.  <P>SOLUTION: The image forming apparatus 1 compensates itself using a displacement detection pattern image and a color compensation pattern image formed by two-dimensional scanning on a photoreceptor. Also, the apparatus 1 includes a light quantity controlling means for changing the light quantity of a radiation in forming an electrostatic latent image corresponding to the displacement detection compensation pattern image so that the displacement detection pattern image and the color compensation pattern image are formed on the same sub-scanning position of the photoreceptor.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008279201-A (JP)
Title: Vacuum cleaner
Inventor: MATSUO KAZUNORI
IPC: A47L9/20
Filed: 2007-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner removing dust adhering to a filter in an inexpensive constitution.  <P>SOLUTION: In this vacuum cleaner, an air current is generated by a motor-driven blower 5 provided in a vacuum cleaner body 2, the air current is sucked from a nozzle 3 and introduced into a cyclone cylinder 28 as a dust collecting chamber, and dust is separated from the air current by a main filter 38. A fan 34 provided with a claw 54 as an abutment part coming into contact with the main filter 38 is provided on the downstream side of the main filter 38. An air current passage 35 is provided for guiding the outside air to the fan 34 not through the main filter 38, and an opening and closing means 56 for optionally opening and closing the air current passage 35 is provided. Thus, the fan 34 is rotated by the air current introduced from the air current passage 35, and at this time, the dust adhering to the main filter 38 is shaked off by vibration generated by moving the claw 54 in contact with the main filter 38.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008286244-A (JP)
Title: Forward/reverse travel change-over mechanism
Inventor: YAMASHITA TOSHIYA
IPC: F16H61/662
Filed: 2007-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a forward/reverse travel change-over mechanism more reliably holding a neutral condition without complicating the construction.  <P>SOLUTION: The forward/reverse travel change-over mechanism 2 for a vehicle comprises: a pump impeller 63 to which power is transmitted; a turbine runner 64 for outputting power; a stator 65 whose rotation is adjusted; a brake mechanism B1 for adjusting the rotation of the turbine runner 64 while adjusting the rotation of the stator 65; and a brake unit for stopping the vehicle when the brake mechanism B1 makes the turbine runner 64 into a neutral condition. Thus, When the brake mechanism B1 adjusts the rotation of the stator 65 to make the turbine runner 64 into the neutral condition, the brake unit stops the vehicle to more reliably establish the neutral condition. As the brake unit, an existing brake unit which is provided for a conventional vehicle is used. As a result, the neutral condition is more reliably held without complicating the construction.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008286972-A (JP)
Title: Method for manufacturing reflection optical element
Inventor: ISHIZUKA KEIICHI
IPC: G02B5/08
Filed: 2007-05-17
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the generation of strain in an optical reflection surface due to the anisotropic deformation caused by rotation or sliding of crystal or crystal orientation during plastic deformation, in a process for press-forming a reflection optical element composed of an amorphous metal.  <P>SOLUTION: After heating a mold having an upper mold member 3 and a lower mold member 4 to a temperature in a supercooled liquid range (ΔT=Tx-Tg) of an amorphous metal having a glass transition point (Tg) and a crystallization temperature (Tx), hot molding is started, and then stress is released at a (Tg-10K) point or lower. The shape of a blank W in the mold is maintained and at the same time, the surface roughness of the mold is transferred in atomic level during heating. Thereby, a molding having high shape accuracy and surface accuracy can be obtained.  <P>COPYRIGHT: (C)2009,JPO&INPIT