baber/WOPTO huggingface dataset:
Patent JP-2012053096-A (JP)
Title: Variable power optical system and image pickup device
Inventor: ONO KAZUNORI
IPC: G02B13/18
Filed: 2010-08-31
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive variable power optical system having a compact size and a small F value and having high optical performance with favorably corrected chromatic aberration.SOLUTION: This variable power optical system comprises, in order from an object side, a positive first lens group G1 that is fixed when varying power, a second lens group G2 varying the power by moving along an optical axis Z, an aperture that is fixed when varying the power, a positive third lens group G3 that is fixed when varying the power, and a positive fourth lens group G4 that corrects and focuses an image plane position when varying the power. The second lens group G2 is disposed with, in order from the object side, a negative lens, a positive meniscus lens having a concave surface facing the object side, a biconcave lens, and a positive lens. The variable power optical system is configured to satisfy a prescribed conditional expression related to a focal length of the second lens group G2, the Abbe number of the positive meniscus lens of the second lens group G2, and a moving distance of the second lens group G2 when varying the power from the wide end to the tele end.
Patent JP-2012052308-A (JP)
Title: Enclosure for underground structure
Inventor: YOSHIMURA EIJI
IPC: E03B9/12
Filed: 2010-08-31
Abstract: PROBLEM TO BE SOLVED: To provide an enclosure for an underground structure, which enables outer and inner cylindrical bodies to be easily fixed in a desired height position so that a top surface of a lid body can correspond to a road surface level, and which can prevent a rattle by surely maintaining a double nut effect.SOLUTION: An enclosure for an underground structure includes an outer cylindrical body 2 which has an internal thread portion 2d formed on an inner peripheral surface, and an inner cylindrical body 3 which has an outer peripheral surface formed with external thread portions 4d and 5d capable of being screwed into the internal thread portion 2d in the outer cylindrical body 2. The inner cylindrical body 3 comprises upper and lower cylindrical bodies 4 and 5, and the external thread portions 4d and 5d are formed on the outer peripheral surfaces of the upper and lower cylindrical bodies 4 and 5, respectively. A lower end surface of the upper cylindrical body 4 and an upper end surface of the lower cylindrical body 5 are provided with non-horizontal portions 4x and 5x and brought into contact with each other.
Patent JP-2012053160-A (JP)
Title: Detector and lens barrel
Inventor: MITANI YOSHIJI
IPC: G02B7/02
Filed: 2010-08-31
Abstract: PROBLEM TO BE SOLVED: To provide a detector and a lens barrel reducing noise when a slide piece sequentially slides by a conduction section and a non conduction section.SOLUTION: The lens barrel is provided with: the conduction section 53 including a conductor pattern piece 53b; the non conduction section 54; and the first slide piece 52a sliding by them. The non conduction section 54 is provided with a first region 55 of the same material as the conduction pattern piece 53b and formed to be flush with the surface of the conduction pattern piece 53b and a second region 56 formed to surround the first region 55 as well as being formed so that the first slide piece 52a is not slid.
Patent JP-2012052345-A (JP)
Title: Drainage system for work gondola
Inventor: NAKAMURA MISOGI
IPC: E04G3/30
Filed: 2010-09-01
Abstract: PROBLEM TO BE SOLVED: To prevent a hose or the like from being broken by the load of the hose when a draining hose provided in the state of being suspended from a work gondola is long.SOLUTION: A flexible hose 9 for draining is provided in the state of being suspended from the work gondola 1 to be elevated and lowered on the wall surface 2a of a building. A gondola main body 1a includes a flexible linear member 13 in the state of being suspended by connecting the upper end to the gondola main body 1a, and the hose 9 and the linear member 13 are connected to each other at an appropriate interval in the axial directions.
Patent JP-2012055506-A (JP)
Title: Game system
Inventor: KUSUDA KAZUHIRO
IPC: A63F13/55
Filed: 2010-09-09
Abstract: PROBLEM TO BE SOLVED: To provide a game system allowing indirect communication between players.SOLUTION: This game system 100 includes: a plurality of game devices 3; and a storage part 15 storing attribute information and position information of a pet in association with each player ID. Each game device 3 acquires a player ID of a player playing in the game device 3, acquires attribution information corresponding to position information for specifying the game device 3 specified by the acquired player ID from the storage part 15, controls a game, and makes the game device 3 display the pet according to the acquired attribute information. When position information corresponding to a player ID of a player A playing in a game device 3A is changed to position information for specifying a game device 3B specified by a player ID of a player B, the game device 3A does not display a pet PA of the player A, and the game device 3B displays the pet PA.
Patent JP-2012063830-A (JP)
Title: Input device
Inventor: ABE YOSHI
IPC: G06F3/0488
Filed: 2010-09-14
Abstract: PROBLEM TO BE SOLVED: To provide an input device allowing a driver to grasp situations of a vehicle front side or a vehicle rear side even when a sight line of the driver is moved to a display unit.SOLUTION: An input device 2 includes: an imaging section 20 for imaging a front side or rear side of a vehicle 1 to output imaging information; a display section 23 for displaying an image; an input section 22 capable of performing operation input; an image superimposition information generating section 24 for acquiring first image information containing image information in an area where the operation input can be performed by the input section 22 and the imaging information to generate image superimposition information formed by superimposing a first image based on the first image information on a captured image based on the imaging information; and a controller 25 for controlling to allow the display section 23 to display a second image based on the image superimposition information.
Patent JP-2012061881-A (JP)
Title: Platform fence device
Inventor: SHIRATORI RIKIO
IPC: B61B1/02
Filed: 2010-09-14
Abstract: PROBLEM TO BE SOLVED: To provide a platform fence device capable of surely preventing metal powder, dust or the like from flowing into a platform fence body, and protecting electronic components and a drive mechanism of the platform fence body.SOLUTION: This platform fence device includes: a platform fence body 4 installed on a platform 3 of a station; a door body 5 installed in the platform fence body 4 and moved forward and backward from an end of the platform fence body 4; an inlet 6 arranged on a platform-side surface of the platform fence body 4; an outlet arranged on a railway track-side surface of the platform fence body 4; and a filter unit 7 including a filter 10 installed inside the inlet 6.
Patent JP-2012064839-A (JP)
Title: Crystal silicon based solar cell and method of manufacturing the same
Inventor: KOIZUMI GENSUKE
IPC: H01L31/04
Filed: 2010-09-17
Abstract: PROBLEM TO BE SOLVED: To provide a crystal silicon solar cell having excellent photoelectric conversion efficiency and enhanced productivity by decreasing the electric resistance of a collector electrode thereby reducing resistance loss of the collector electrode in a photovoltaic device using a single crystal silicon substrate.SOLUTION: The crystal silicon solar cell comprises intrinsic silicon based thin film layer, and a p-type silicon based thin film layer in this order on one side of a single crystal silicon substrate, and has a substantially intrinsic silicon based thin film layer, and an n-type silicon based thin film layer in this order on the other side. The single crystal silicon substrate has a texture structure on the surface thereof, and the texture structure has different heights at a light-receiving part on the light incident surface side and at a collector electrode. The height is 3-15 μm at the light-receiving part, and 0.1-0.5 μm at the collector electrode.
Patent JP-2012070063-A (JP)
Title: Transmitter and distortion compensation method
Inventor: ISHIKAWA HIROYOSHI
IPC: H03F1/32
Filed: 2010-09-21
Abstract: PROBLEM TO BE SOLVED: To mitigate acceleration of a sampling frequency in analog/digital conversion processing of a feedback signal in compensating for a distortion of an intermodulation distortion component.SOLUTION: A transmitter 1 includes: a modulator 12 for modulating a baseband signal containing a plurality of signals that are spaced in frequency; an amplifier 14 for amplifying a modulated signal; a demodulator 20 for demodulating a part of an output signal of the amplifier 14; an analog/digital converter 23 for sampling a demodulated signal by a lower sampling frequency than that of a predetermined intermodulation distortion component and converting the demodulated signal into a digital signal; a detection section 25 for detecting a return component of the predetermined intermodulation distortion component produced by the analog/digital conversion; a compensation coefficient generation section 32 for generating a compensation coefficient corresponding to the detected return component; and a distortion compensation section 10 for multiplying an input signal by the compensation coefficient.
Patent JP-2012066263-A (JP)
Title: Molten metal pouring ladle and molten metal pouring method
Inventor: KUSAKA HIROO
IPC: B22D17/30
Filed: 2010-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a molten metal pouring ladle which has simple configuration and effectively prevents molten metal from being scattered upon pouring, and which shortens the cycle time upon pouring, and to provide a molten metal pouring method.SOLUTION: The molten metal pouring ladle 10 includes a storage part 11 for storing molten metal M, a molten metal feed port 12 opened in a rear upper side of the storage unit 11, a lid part 11a for closing the front upper side of the storage unit 11, and a cylindrical pouring part 13 which is communicated with a front portion of the storage part 11, and forms a passage for pouring the molten metal M stored in the storage unit 11 upon pouring. The pouring ladle 10 is formed in such a way that a fore end of the pouring unit 13 is horizontal in a pouring state.
Patent JP-2012069189-A (JP)
Title: Reproducing device, and optical path length servo control method
Inventor: SUMI YOJIRO
IPC: G11B7/005
Filed: 2010-09-22
Abstract: PROBLEM TO BE SOLVED: To provide a method capable of increasing the amplitude of an AC component of a reproduction signal based on signal light without increasing the output of a light source in the case of performing signal reproduction by homodyne detection for an optical recording medium.SOLUTION: The reproducing device that adopts a homodyne system includes an optical path length servo control part for performing driving control of a one-axis actuator such that phase difference between signal light (first light) and reference light (second light) becomes zero, and gives an offset for expanding the amplitude of the AC component of the reproduction signal to an optical path length servo loop formed in accordance with servo control by the optical path length servo control part. This can increase the amplitude of the AC component of the reproduction signal without increasing the output of the light source.
Patent JP-2012067883-A (JP)
Title: Electromagnetic coupling device
Inventor: TAMURA HIDEKI
IPC: F16D27/115
Filed: 2010-09-27
Abstract: PROBLEM TO BE SOLVED: To provide an electromagnetic coupling device that can prevent and suppress an unnecessary impact which may be generated while a brake force acts and that rotational torque is transmitted without causing the complication of structure and a cost increase.SOLUTION: The electromagnetic coupling device includes: a magnetic pole body having an exciting coil in a yoke; an armature which can slide in the axial direction of a shaft and can form a magnetic circuit together with the magnetic pole body; a plate arranged in a position opposing the armature; and a first plate 4 which is arranged between the armature and the plate and has, at axial both end faces, friction faces 4Sa which are pressed against the armature or the plate when the exciting coil is in a non-excited state. A large number of holes 43 are formed at the friction faces 4Sa, respectively, and solid lubricants 42 are press-inserted into the holes 43.
Patent JP-2011100112-A (JP)
Title: Image forming apparatus
Inventor: MATSUMOTO RYOTA
IPC: G03G15/02
Filed: 2010-09-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which can suppress unevenness in potential on the surface of a photoreceptor drum by carrying out an effective and optimal voltage control by applying suitable voltage to a charging sleeve in the image forming apparatus having a plurality of charging sleeves.  <P>SOLUTION: The image forming apparatus has the plurality of rotatable charging sleeves 31, 32 carrying magnetic particles on the peripheral surface along the rotational direction of the photoreceptor drum 1, and includes: an electrometer 8 for detecting the surface potential of the photoreceptor drum 1; and a reflective type photosensor 308 for detecting a rotational phase of the charging sleeve 32. Wherein, voltages respectively applied to charging sleeves 31 and 32 are controlled based on a phase difference between a phase indicating the change in surface potential of the photoreceptor drum 1 obtained by the electrometer 8 and a phase showing the change in position due to rotation on an outer peripheral surface of the charging sleeve 32 obtained by the reflective photosensor 308.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012071313-A (JP)
Title: Cam device
Inventor: TAKEYAMA SHINICHIRO
IPC: B21D37/08
Filed: 2010-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a forcible restoration mechanism capable of detecting abnormality in an operation of a cam slider, while holding an inherent forcible restoration function.SOLUTION: This cam device 5 is provided in a press die 1 including a lower side half 2 and an upper side half 3, and includes the cam slider 10 displaced from a position before working to a working position in accompaniment to going-down of the upper side half 3, an energizing member 15 for energizing the cam slider 10 to the position before working, and the forcible restoration mechanism 12 for restoring the cam slider 10 from the working position to the position before working. The forcible restoration mechanism 12 includes a forcible restoration part 37, an abnormality generation detecting part 38 connected engageably and disengageably with the forcible restoration part 37, a microswitch 40 abutting on the abnormality generation detecting part 38, and an engagement part 41 provided to be engaged and disengaged with the forcible restoration part 37 and the abnormality generation detecting part 38.
Patent JP-2011044225-A (JP)
Title: Sputtering target for reflection layer of optical medium, and method for manufacturing the same
Inventor: KAWAGUCHI YUKIO
IPC: G11B7/259
Filed: 2010-09-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sputtering target for a reflection layer of an optical medium excellent in surface smoothness which is composed mostly of relatively inexpensive aluminum and does not use rare earth metal, and a method for manufacturing thereof.  <P>SOLUTION: The sputtering target for a reflection layer of an optical medium is mainly composed of Al and contains 1-10 at% of one or two species of elements selected from the group consisting of Ta and Nb, and 0.1-10 at% of Ag. The method for manufacturing the sputtering target for a reflection layer of an optical medium includes a process for firing raw material powder having a composition that is mainly composed of Al and contains 1-10 at% of one or two species of elements selected from the group consisting of Ta and Nb, and 0.1-10 at% of Ag.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012071330-A (JP)
Title: Method for measuring surface temperature of cast piece within continuous casting machine
Inventor: NAKASEKO MAKOTO
IPC: B22D11/16
Filed: 2010-09-29
Abstract: PROBLEM TO BE SOLVED: To measure a surface temperature of a cast piece casted by a continuous casting machine with high accuracy by infrared sensor type surface temperature measuring equipment without being influenced by a secondary cooling water remained on a surface of the cast piece, moisture generated from the secondary cooling water and white smoke which is condensation of the moisture.SOLUTION: In a method for measuring the surface temperature of the cast piece which measures the surface temperature of the cast piece 10 being continuously casted in the continuous casting machine by the infrared sensor type surface temperature measuring equipment 13 having a measuring wavelength of 5.0 μm or smaller and infrared light absorption of 20% or lower, a distance between a condensing lens 16 of the surface temperature measuring equipment and the surface of the cast piece is made within a range between 100-800 mm, 10 NL/min or greater of gas is jetted out of the surface temperature measuring equipment to the cast piece, the secondary cooling water and vapor are excluded from a portion between the condensing lens and the surface of the cast piece and a portion of the cast piece where a temperature is measured by the gas.
Patent JP-2012079467-A (JP)
Title: Manufacturing method of polymer electrolyte membrane
Inventor: WATANABE MASAHIRO
IPC: C08J5/22
Filed: 2010-09-30
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of a polymer electrolyte membrane with excellent properties such as simpleness and flatness.SOLUTION: A manufacturing method of a polymer electrolyte membrane comprises: A) a step of casting an organic solution of the polymer electrolyte onto a base material; B) a step of producing a polymer electrolyte membrane on the base material by evaporating an organic solvent in the organic solution of the polymer electrolyte casted on the base material in the A) step; C) a step of immersing the polymer electrolyte membrane produced on the base material in the B) step in a liquid in which the organic solvent is soluble without peeling the polymer electrolyte membrane from the base material; and D) a step of evaporating the liquid in which the organic solvent is soluble from the polymer electrolyte membrane after the C) step.
Patent JP-2012075534-A (JP)
Title: Pachinko game machine
Inventor: NOGUCHI TOYOHIRO
IPC: A63F7/02
Filed: 2010-09-30
Abstract: PROBLEM TO BE SOLVED: To secure amusement by conducting performance according to a state of a movable gimmick.SOLUTION: A Pachinko game machine 100 includes a movable gimmick 130 that is disposed on a game board, has a drive unit 200, and is driven by the drive unit 200. The Pachinko game machine 100 includes: a drive control unit 501; a determination unit 503; and a performance execution unit 504. The drive control unit 501 controls the drive unit 200 to drive the movable gimmick 130 in a predetermined manner. The determination unit 503 determines whether the gimmick has been driven or not. When the determination unit 503 determines that the gimmick has not been driven, the performance execution unit 504 conducts a performance so as to reduce drive distance of the movable gimmick 130 as compared with when it is determined that the gimmick has been driven, or to reduce the opportunities to drive the movable gimmick 130.
Patent JP-2012075697-A (JP)
Title: Surgical guide and burial hole drilling tool
Inventor: TAKEBAYASHI AKIRA
IPC: A61C8/00
Filed: 2010-10-01
Abstract: PROBLEM TO BE SOLVED: To provide a surgical guide which allows the viewing of the distal end of a drill during cutting and does not easily generate an error in the drilling direction of a drill, even though it is simply configured.SOLUTION: The surgical guide 10 includes: a freely detachable guide member 21; a first indication member 22 for indicating the position of the proximal end part 31b of the projection part 31a of a wire; a second indication member 12 having a second positioning hole 12g drilled at a part corresponding to the distal end 31c of the projection part 31a of the wire; and a guide pin 51 inserted into the center hole 41d of a drill 41 for drilling the burial hole having the center hole 41d drilled along a rotary axis. By engaging the distal end of the drill 41 with a positioning cavity 61a formed in the cortical bone 61 of a patient on the basis of the first indication member 22 and inserting, in parallel with it, the guide pin 51 into the second positioning hole 12g of the second indication member 12 and then inserting it into the center hole 41d of the drill 41, the drilling direction of the drill 41 is positioned.
Patent JP-2012077568-A (JP)
Title: Drainage system with backflow preventing function
Inventor: ASANO TAKESHI
IPC: E03F7/04
Filed: 2010-10-05
Abstract: PROBLEM TO BE SOLVED: To provide a drainage system with a backflow preventing function which is easy to attach and is also inexpensive.SOLUTION: The drainage system with the backflow preventing function includes: an elbow pipe 10 which is provided with an entrance side connection part 12 for making drainage water flow in, a drainage side connection part 14 for discharging the drainage water that flows in from the entrance side connection part 12, and an elbow part 16 between the entrance side connection part 12 and the drainage side connection part 14, and is disposed turning the entrance side connection part 12 upwards; a soft ball 50 arranged inside the elbow pipe 10; a circular ring plate 30 provided in the entrance side connection part 12, for narrowing the diameter of the entrance side connection part 12 to be smaller than the diameter of the ball 50; and a fence 40 provided on the side of the drainage side connection part 14 inside the elbow part 16, for regulating the movement of the ball 50.
Patent JP-2012082087-A (JP)
Title: Single crystal pulling device and crucible supporting device
Inventor: KAMIZUMA TOSHIFUMI
IPC: C30B15/30
Filed: 2010-10-08
Abstract: PROBLEM TO BE SOLVED: To provide a single crystal pulling device, capable of further accurately measuring weight.SOLUTION: The single crystal pulling device A1 is configured to pull up a single crystal 1 in a sealed container 2 by moving a support 5 having a weight detection means 541 to move a pulling shaft 3 and a shaft support unit 4. The shaft support unit 4 includes a body portion 41 supporting the pulling shaft 3 and a supported portion 43 connected to the body portion 41. The support 5 includes a support portion 54 supporting the supported portion 43, an extension portion 53 disposed to be located above the supported portion 43 in axial direction z, a first cylinder 71 which is provided between the extension portion 53 and the supported portion 43 and is expansible and contractible in the axial direction z, a second cylinder 72 which is configured to surround the pulling shaft 3 and is expansible and contractible in the axial direction z with the upper end in the axial direction thereof being fixed to the body portion 41, and a pipe 74 connecting the first cylinder 71 to the second cylinder 72.
Patent JP-2011025247-A (JP)
Title: Water-soluble coating agent having initiator group and coating method
Inventor: SWAN DALE G
IPC: B05D7/24
Filed: 2010-10-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reagent and a method which are used for improving initiation of photopolymerization to grow a polymer from a support surface.  <P>SOLUTION: A polymer layer is formed on the support surface by using a coating agent and a polymeric compound. The coating agent provides a photoreactivity group which is applied to adhere the coating agent to the support surface so that the polymer layer is formed on the support surface, and a photoreactivity group which remains as unadhered to the support surface, and therefore is applied to act as a photoinitiator for activating the polymeric compound.  <P>COPYRIGHT: (C)2011,JPO&INPIT