baber/WOPTO huggingface dataset:
Patent JP-2008308909-A (JP)
Title: Opening and closing device
Inventor: IWATA TAMOTSU
IPC: E06B9/82
Filed: 2007-06-15
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a closing-direction end of a rigid body portion from being engaged into a section between a stopper portion and a guide rail during a closing motion.  <P>SOLUTION: This opening and closing device is equipped with an opening and closing body 20 and a guide rail 30; an opening-direction side portion of the opening and closing body 20 is composed of the rigid body portion 21; and a closing-direction side portion of the opening and closing body 20 is composed of a flexible sheet portion 22. When the flexible sheet portion 22 abuts on a seating target region p so as to be fully closed, a closing-direction side end of the rigid body 21 is supported by a stopper portion 40 which is fixed to the guide rail 30, so that a closing motion of the opening and closing body 20 can be stopped. A protrusion 21b is provided on the width-direction end side of the rigid body portion 21; and a part, on the opening-direction side of the opening and closing body, of the stopper portion 40 is equipped with a flat surface portion 41 for supporting the protrusion 21b, and a convexly-curved or tapered guide portion 42 for relieving the flexible sheet portion 22 in the thickness direction of the opening and closing body and leading it in the closing direction.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008308314-A (JP)
Title: Sheet feeding device, image forming apparatus, and image reading device
Inventor: MURAMATSU MOTOYASU
IPC: B65H3/52
Filed: 2007-06-18
Abstract: <P>PROBLEM TO BE SOLVED: To suppress vibration generated when a feed roller is brought into contact with a separation pad to prevent generation of abnormal noise (chattering) caused by the vibration, without reduction in sheet carrying speed or without deterioration in separating/feeding performance of a sheet.  <P>SOLUTION: The sheet feeding device comprises: the feed roller 102 having a feed roller surface 102r formed at a part in a rotational direction thereof; the separation pad 104 separating the sheet at a pinching part between the feed roller surface 102r and the separation pad 104; a separation pad holding member 103 pressing the separation pad 104 against the feed roller 102; and a roller 109 coaxial with the feed roller 102 and abutted with the separation pad 104 while its pinching state between the feed roller surface 102r and the separation pad is released. A boundary 103b between the separation pad holding member 103 and the separation pad 104 in a sheet carrying direction is set so that the feed roller surface 102r is abutted with the separation pad holding member 103 and the separation pad 104 through the sheet S in this order while the feed roller 102 is rotated.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008308950-A (JP)
Title: Door stop
Inventor: MINAMI TAKUJI
IPC: E05F5/06
Filed: 2007-06-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a door stop to be easily and inconspicuously mounted to a door without damaging the door.  <P>SOLUTION: The door stop comprises the door stop body 2 having a magnet 1 disposed on the door D side, and a locking implement body 4 with a stopper piece 3 disposed in a retractably swingable manner on a floor face. When the door D comes to a predetermined position, the stopper piece 3 is projected from the floor face to abut on the door stop body 2 by the attracting action of the magnet 1 to prevent further opening of the door. The door stop body 2 is provided with a locking piece 5 detachably locked to the stopper piece 3, and an operating piece 6 operating the locking piece 5, and a clamp-like mounting part 7 is provided for mounting the door stop body 2 by attaching it to the lower face of the door D.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009005436-A (JP)
Title: Actuator drive system and control method of actuator
Inventor: SHOJI HIDEKAZU
IPC: H02N11/00
Filed: 2007-06-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a control method of an actuator which can avoid the destruction and impairment of an electrode caused by an overvoltage or the like by suppressing a back track phenomenon of the displacement of the actuator, and changing the amount of bending displacement and generation power smoothly without changing a value of an application voltage.  <P>SOLUTION: The actuator drive system comprises an actuator including a film having first and second surfaces and first and second electrodes formed on first and second surfaces of the film, respectively, and a driver connected electrically with the actuator, can apply a positive or negative voltage pulse a plurality of times continuously from the first electrode to the second electrode, and can vary at least a frequency and/or a PWM value of the voltage pulse.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009004451-A (JP)
Title: Semiconductor optical element and manufacturing method thereof
Inventor: TAKAHASHI MITSUO
IPC: H01S5/227
Filed: 2007-06-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor optical element having diffusion of Zn into an active layer suppressed, and to provide a manufacturing method thereof.  <P>SOLUTION: The semiconductor optical element 1A includes: a substrate 10; a semiconductor mesa portion 2M formed on the substrate 10 and having the active layer 30, a Zn-doped p-type clad layer 40a, and an n-type clad layer 20; and a semiconductor buried layer 70 burying the semiconductor mesa portion 2M, wherein a diffusion prevention layer 42 containing Si impurities is interposed between the active layer 30 and p-type clad layer 40a of the semiconductor mesa portion 2M. In this semiconductor optical element 1A, the diffusion prevention layer 42 containing the Si impurities is interposed between the active layer 30 and p-type clad layer 40a of the semiconductor mesa portion 2M, and traps Zn diffused from the p-type clad layer 40a to the active layer 30. Therefore, the diffusion prevention layer 42 effectively suppresses diffusion of Zn into the active layer 30 in the semiconductor optical element 1A.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009003669-A (JP)
Title: Apparatus and method for testing power supply variation of semiconductor integrated circuit, and program thereof
Inventor: NAKAJIMA HIDENARI
IPC: G06F17/50
Filed: 2007-06-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high-speed and highly accurate power supply voltage variation testing apparatus, a method, and a computer program.  <P>SOLUTION: A determination part 1-5 determines the level of a power supply voltage variation found out by a power supply voltage variation analysis part 1-2 to execute an optimum delay analysis based on a determination result. When the power supply voltage variation is small, a delay analysis based on the detailed power supply variation analysis can be omitted only by adding a fixed margin. Further, a method for performing a highly accurate power supply voltage variation test by using a power supply current expressed as a function of a time is also disclosed.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009002221-A (JP)
Title: Scroll expander
Inventor: IWASHIDA AKIRA
IPC: F01C21/06
Filed: 2007-06-21
Abstract: <P>PROBLEM TO BE SOLVED: To eliminate a problem that viscosity of lubricating oil in a hermetic vessel of an expander gets higher and that causes drop of power collection efficiency due to increase of viscosity loss when viscosity of the lubricating oil is selected from a point of view for securing reliability of a compressor since temperature in the hermetic vessel of the expander is lower than temperature in a hermetic vessel of a compressor.  <P>SOLUTION: This scroll expander has a seal member 5 partitioning a center part and an outer circumference part arranged between an anti-lap side of a turning scroll 13 and a main bearing member facing the same, has high pressure gas or lubricating oil 6 of which pressure is kept high supplied to the center part, and has pressure at an outer circumference part low or delivery pressure. Pressure at the outer circumference part is maintained low or delivery pressure by a communication passage communicating to delivered working fluid. The communication passage is constructed with at least two passages crossing at acute angle.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009002255-A (JP)
Title: Exhaust emission control device of internal combustion engine
Inventor: WAKAO KAZUHIRO
IPC: F02D41/12
Filed: 2007-06-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine capable of restraining lowering of adsorption efficiency in an adsorbing material in the internal combustion engine furnished with the adsorbing material of an unpurified component in an exhaust passage.  <P>SOLUTION: This exhaust emission control device of the internal combustion engine is furnished with a by-pass passage 20 provided in a manner branched from the exhaust passage 14 , a change-over valve 22 to change an inflow destination of exhaust gas between the exhaust passage 14 and the by-pass passage 20, and the NOx adsorbing material 24 arranged in the by-pass passage 20 to adsorb NOx included in the exhaust gas. Execution of purge-treatment is prohibited when fuel cut is executed in a state where the temperature of the NOx adsorbing material 24 is raised higher than a prescribed value in the purge-treatment of adsorbed NOx adsorbed to the NOx adsorbing material 24 in cold starting. Alternatively, the execution of the fuel cut is prohibited when the purge-treatment is executed in the state where the temperature of the NOx adsorbing material 24 is raised higher than the prescribed value.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009002630-A (JP)
Title: Refrigerator
Inventor: MIYAMURA HIROSHI
IPC: F25D29/00
Filed: 2007-06-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a refrigerator capable of easily enhancing safety.  <P>SOLUTION: The refrigerator is provided with a resin electrical box 40 storing a control circuit and having an opening part 40a on one face; a non-combustible first electrical cover 41 fitted to the opening part 40a; a non-combustible second electrical cover 42 fitted to a back face opposing to the opening part 40a; and a flange part 43 protruded on the peripheral face of the electrical box 40 and locking the first and second electrical covers 41, 42. The flange part 43 has an inner peripheral side groove 46 provided on the peripheral edge of the opening part 40a and having an opened back face side, to which the second electrical cover 42 is inserted and an outer peripheral side groove 47 arranged adjacent to the outer peripheral side of the inner peripheral side groove 46 and having an opened opening part 40a side, to which the first electrical cover 41 is inserted. Inside the flange 43, the peripheral faces of the first and second electrical covers 41, 42 are arranged in an overlapped manner.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009007426-A (JP)
Title: Conductive fluorine-containing grease
Inventor: FUJITA NOBORU
IPC: C10N20/02
Filed: 2007-06-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fluorine-containing conductive grease excellent in lubrication property and excellent in conductivity without affecting to a peripheral member such as a resin and a metal.  <P>SOLUTION: The conductive fluorine-containing grease contains liquid-like perfluoroalkyl polyether having kinematic viscosity at 40°C of 10-1,000 mm<SP>2</SP>/s and 20-50 wt.% of a fine powder having conductivity and capable of being used as a solid lubricant. As the fine powder, a graphite powder or a mixed powder of the graphite powder and at least one soft metal powder selected from gold, silver, copper, lead, zinc and tin is preferable.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009008936-A (JP)
Title: Imaging device
Inventor: SERIKAWA YOSHIO
IPC: H04N5/232
Filed: 2007-06-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging device capable of performing an accurate camera shake correction control to obtain a clear image, even when a camera shake detecting means is unnecessarily charged due to vibration imparted to the device main body before a camera shake correcting operation.  <P>SOLUTION: The imaging device includes: a camera shake detection part using a gyro sensor and a high-pass filter equipped with a high-pass filter capacitor, configured to cancel DC components in an output voltage from the gyro sensor and take out AC components as camera shake detection data; a camera shake output value evaluation means (step S7) to evaluate the camera shake detection data in a fixed period before exposing on a CCD related to a camera shake output value (d) at the standstill; a camera shake output value correction means (step S8) to correct to remove the output shift amount from the camera shake detection data when evaluating the correction-necessity; and a camera shake correction control means (step S10 to step S12) to perform the camera shake correcting operation by using the corrected camera shake detection data as a camera shake detection value from starting to finishing the exposure.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009007889-A (JP)
Title: Side ditch block and drainage canal constructed by joining the same
Inventor: OTSUKI TAKAYUKI
IPC: E03F5/04
Filed: 2007-06-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a side ditch block having an upper stage waterway and a lower stage waterway.  <P>SOLUTION: In the side ditch block 1, a sectionally U-shaped body 2 extending in a sectionally perpendicular direction and having a bottom face as the lower stage waterway 211, a flange part 3 protruding from one upper edge 221 of the body 2 in the sectional direction of the body 2 and having an upper face as the upper stage waterway 301, and an eave part 4 protruding from the other upper edge 231 of the body 2 in the sectional direction of the body 2 are integrally formed of concrete. The flange part 3 protrudes near the inside face of the body 2 having the other upper edge 231 to form a rainwater drop clearance 31 between the end face of an protruding destination and the inside face of the body 2 having the other upper edge 231. The eave part 4 protrudes right over the rainwater drop clearance 31 to form a rainwater inflow opening 41 between the end face lower edge or the lower face of a protruding destination and the end face upper edge or the upper face of a protruding destination of the flange part 3.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009009518-A (JP)
Title: Control system and control method
Inventor: FUKUZAWA TOR AKIRA
IPC: G05B13/02
Filed: 2007-06-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a control system and control method, which performs intellectual control including control based on prediction, in addition to preset control.  <P>SOLUTION: To a switching apparatus 23, which controls the driving of solenoid valves 13, 13 for watering in a roof greening area G, and controls opening and closing in accordance with humidity measured by humidity sensors 14, 14 buried in soil, an agent device 3 autonomously acquires weather information in the surrounding including the roof greening area G, and transmits a signal indicating a control value (a control value indicating the propriety of opening), which inhibits the solenoid valves 13, 13 from being opened, to the switching apparatus 23, when the weather information indicates bad weather (high possibility of rainfall).  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009014768-A (JP)
Title: Micro electro mechanical systems device and method of manufacturing the same
Inventor: OMORI YASUHIRO
IPC: G02B26/08
Filed: 2007-06-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an MEMS device with the structure for suppressing the generation of the electric discharge.  <P>SOLUTION: A rotating unit 1 includes a first silicon layer 6, and a first frame 2A includes a first silicon layer 6, a second silicon layer 7 and an insulation layer 8. A pair of first actuators 4-1 for generating the electrostatic force to rotate the rotating unit 1 by supplied voltage are arranged at the edge area of the second silicon layer 7 forming the first frame 2A at the opposite side of the rotating unit 1, and at the edge area of the first silicon layer 6 forming the rotating unit 1 at the opposite side of the first frame 2A, further a first boundary part between the first silicon layer 6 and the insulation layer 8, and a second boundary part between the second silicon layer 7 and the insulation layer 8 at the first frame 2A are chamfered at the edge area where the first actuators 4-1 are installed.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009016391-A (JP)
Title: Optical output shutdown circuit, optical transmitter, and optical output stopping method
Inventor: FURUKAWA TAKAHIRO
IPC: H04B10/564
Filed: 2007-06-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical output shutdown circuit, an optical transmitter, and an optical output stopping method, for quickly and surely stopping an optical output.  <P>SOLUTION: A laser diode 2 generates the optical output. An LD driving circuit 3 drives a laser diode 2 according to an LD driving current control voltage. A switch 1 disconnects the anode of the laser diode 2 from a power source and grounds it according to an optical output shutdown control signal TxENABLE input from outside.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008177522-A (JP)
Title: Aluminum foil for electrolytic capacitor electrode
Inventor: ENDO MASAYA
IPC: H01G9/042
Filed: 2007-07-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide excellently reliable aluminum foil for an electrolytic capacitor electrode capable of electroless etching.  <P>SOLUTION: The aluminum foil for the electrolytic capacitor electrode has a composition containing 0.01-0.30% Si, 0.01-0.30% Fe and 0.0021-0.05% Ni, for which Fe/Si in the Fe content and the Si content is 1-4. Further, it is desirable that the deposits of Al-Fe-Si-Ni system of a circle-equivalent diameter 1-5 μm exist by the density of 10<SP>3</SP>-10<SP>6</SP>pieces/cm<SP>2</SP>. To the Al alloy of the composition, homogenizing treatment is executed at or above 560°C for one hour or longer. An etching property is improved while maintaining high reliability, it becomes possible to adopt electroless etching as well, and the highly reliable electrolytic capacitor electrode is provided at low cost.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009017689-A (JP)
Title: Protection pipe for preventing bird damage, operating rod, and method for attaching/removing protection pipe for preventing bird damage
Inventor: SUZUKI MASAHIRO
IPC: A01M29/00
Filed: 2007-07-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a protection pipe for preventing bird damage which can be attached and detached quickly to/from a wire in use, and to provide an operating rod and a method for attaching/removing the protection pipe for preventing bird damage.  <P>SOLUTION: The protection pipe 1 for preventing bird damage has a tubular body 3 for placing a wire formed of a resilient and electrically insulating material, and a member 10 for holding a cut 4 made over the entire longitudinal length in an opened state is provided in the tubular body 3. On the outer side face of the tubular body 3, a portion 20 for fixing the distal end of the operating rod removably and moving the tubular body 3 while being supported rotatably in the vertical direction and secured selectively for the tubular body 3 while having a predetermined angle is provided. A removable ring 63 used for separating the protection pipe 1 for preventing bird damage from the wire is provided at one end of the tubular body 3, and a cover 50 covering the upper portion of an insulator for supporting the wire is provided removably at the other end of the tubular body 3. The operating rod is provided, at the distal end thereof, with a hook portion having a spiral wire being hooked to the removable ring 63.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2007298180-A (JP)
Title: Oil-pump lubrication structure
Inventor: MANO YASUNORI
IPC: F16H57/04
Filed: 2007-07-09
Abstract: <P>PROBLEM TO BE SOLVED: To increase an amount of lubricating oil supplied to a first sliding face of a radial bearing, which freely rotatably supports a drive shaft of an oil pump acceleratedly rotated with respect to an input shaft, and a second sliding face of a thrust bearing.  <P>SOLUTION: Rotation of the input shaft 17 is transmitted to the drive shaft 31 of the oil pump 30 via gears 45, 43 while accelerating it. A lubricating-oil hole 50 is provided in the oil pump 30 so as to supply a part of the lubricating oil, which is discharged from a discharge-side oil chamber 37, to the first sliding face 32a of the radial bearing 32 via the lubricating-oil hole 50. A part of the lubricating oil supplied from the input shaft 17 side to a bearing 56 via oil paths a, b, and c and an oil reservoir 61 is supplied to the second sliding face 47a, which freely rotatably supports a thrust washer 46, by providing a notched part 61b of the oil reservoir 61 and a first rib 62.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009019893-A (JP)
Title: Sensing method and sensing device
Inventor: FURUSAWA KENTARO
IPC: G01N21/27
Filed: 2007-07-10
Abstract: <P>PROBLEM TO BE SOLVED: To improve the accuracy of sensing using surface plasmon resonance or localized surface plasmon resonance.  <P>SOLUTION: Collimated output light from a light source 101 is condensed onto a plasmon element 105 via a parabolic mirror 104, and reflected light from the plasmon element 105 is collimated again by the parabolic mirror 104. The collimated light from the parabolic mirror 104 is processed by a slit 106, which parallel to the incident surface into the plasmon element 105 and a diffraction grating 107 for imparting dispersion in a direction vertical to the slit 106, and is detected by a two-dimensional detector 108. In an image detected by the two-dimensional detector 108, the dependence on the reflected light by the plasmon element 105 with respect to the wavenumber of incident light into the plasmon element 105 appears in a direction parallel to the incident surface, and dependence with respect to the frequency appears in the direction vertical to the incident surface, and each dependence is analyzed vectorially.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009020214-A (JP)
Title: Developing device, process cartridge and image forming apparatus
Inventor: TAKAHASHI TOMOKO
IPC: G03G15/08
Filed: 2007-07-10
Abstract: <P>PROBLEM TO BE SOLVED: To secure sufficient image density and also to prevent surface staining, and to obtain sharpness of a line image in a cloud developing system.  <P>SOLUTION: A toner carrier arranged to be opposed to a latent image carrier has a plurality of electrodes provided to be arranged in a predetermined direction on the surface of the toner carrier and insulated each other. Voltage is supplied by an AC power source so that electric field between a plurality of electrodes may be temporally switched. In a stage where development is performed by forming a cloud while hopping toner carried on the surface of the toner carrier by the electric field between the electrodes, voltage application to make alternating voltage of cycle T1 act by predetermined number of times (m times) is performed in every specified time T2, thereby satisfying T2>T1×m. Thus, the scumming by excessive hopping of the toner is prevented, and also excessive adhesion of the toner to the line image is prevented.  <P>COPYRIGHT: (C)2009,JPO&INPIT