baber/WOPTO huggingface dataset:
Patent JP-2012160826-A (JP)
Title: Wireless lan access control method, and wireless lan system
Inventor: KISHIDA AKIRA
IPC: H04W84/12
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a wireless LAN access control method capable of performing packet transmission while avoiding collision by waiting for back-off time periods different from each other by a plurality of wireless terminals accommodated in a wireless LAN.SOLUTION: In a plurality of wireless terminals, back-off initial values different from each other and a common back-off cycle are set. Each of the wireless terminals transmits a packet when a wireless channel has been idle over a back-off time period corresponding to a back-off initial value or alternatively, each of the wireless terminals carries over the remaining back-off time period when the wireless channel becomes busy during the back-off time period, and then transmits a packet when the wireless channel becomes idle and further when the wireless channel has been idle over the carried-over back-off time. After the packet transmission, the back-off time period corresponding to the back-off cycle is set, and carrier sense for next packet transmission is performed.
Patent JP-2012159609-A (JP)
Title: Optical scanner, image forming device and control program
Inventor: FUJISHIRO WATARU
IPC: G03G15/04
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To suppress a problem in which a rotary polygon mirror cannot be normally rotated at a constant speed when measuring shift amounts of starting positions of two optical scanning lines.SOLUTION: In a scanner 12, a control circuit 38 measures shift amounts D of starting positions of two scanning lines on a photoreceptor 10 in a main scanning direction based on a first detection timing when a light receiving sensor 32 detects a first laser beam L1 and a second detection timing when the light receiving sensor 32 detects a second laser beam L2. During a measurement non-execution period when the shift amounts D thereof are not measured, the control circuit 38 rotationally controls a brushless motor 33 based on the second detection timing. During a measurement execution period, the control circuit 38 rotationally controls the brushless motor 33 without using the first detection timing used for measuring the shift amounts D thereof.
Patent JP-2012158846-A (JP)
Title: Random mat having superior design
Inventor: KONAGAI YUHEI
IPC: D04H1/542
Filed: 2011-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a random mat that is used as a preform for a molding of a fiber-reinforced composite material.SOLUTION: The random mat comprises reinforcing fibers having a fiber length of 10-100 mm and thermoplastic resin. The reinforcing fibers are substantially randomly oriented in two dimensions in a basis weight of 25-3000 g/m. A reinforcing fiber bundle (A) comprises fibers in an amount equal to or higher than a critical single yarn number which is defined by the formula (1), the content of the reinforcing fiber bundle (A) based on the whole amount of fibers in the mat is from more than 0 Vol% to less than 30 Vol% and an average number of fibers (N) in the reinforcing fiber bundle (A) satisfies the following formula (2): the critical single yarn number=600/D (1); and 1.0×10/D<N<2.5×10/D(2) (wherein D is an average fiber diameter (μm) of the reinforcing fibers).
Patent JP-2012164764-A (JP)
Title: Magnetic material and method for manufacturing the same
Inventor: SATO TAKESHI
IPC: H01F10/10
Filed: 2011-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic material capable of developing high coercive force even without using Dy, etc.SOLUTION: The magnetic material comprises a main phase including a RFeB crystal grain (R: rare earth elements), and a grain boundary phase formed between the crystal grains. The crystal grain has a shape with round corners, and a maximum width of 500 nm or less, and the grain boundary phase include a crystal aggregate with nano size of a minimum width of one nm or more. The magnetic material is obtained, for example, by heating an adhesion amorphous material with a diffusion material (for example, R-Cu) adhered to a R-Fe-B amorphous material to form in parallel the main phase including the RFeB crystal grain, and the grain boundary phase formed between the crystal grains. Thereby, the magnetic material with very high coercive force is obtained even without diffusing Dy, etc. being rare elements into the grain boundary.
Patent JP-2012173322-A (JP)
Title: Toner and method of manufacturing the same
Inventor: MAEZAWA YOSHIHIRO
IPC: G03G9/08
Filed: 2011-02-17
Abstract: PROBLEM TO BE SOLVED: To provide toner that contains high amount of rosin derived from biomass, and has excellent hot-offset resistance, charge stability, and cohesion resistance, as well as a method of manufacturing the toner.SOLUTION: Toner contains at least a binder resin, colorant, and a mold release agent. The binder resin contains a polyester resin A obtained by subjecting an aromatic dicarboxylic acid, rosin, and polyalcohol to polycondensation; and a cross-linked resin C obtained by subjecting the polyester resin A and an epoxy resin B having a plurality of glycidyl groups to crosslinking reaction.
Patent JP-2012175330-A (JP)
Title: Wireless communication system, and diagnostic method of the same
Inventor: HAYATA YUKITSUGU
IPC: H04M1/24
Filed: 2011-02-21
Abstract: PROBLEM TO BE SOLVED: To start executing diagnosis of a wireless communication system automatically without missing a chance when conditions are satisfied, independently of installation of a special device.SOLUTION: A wireless communication system has a plurality of wireless communication devices, a plurality of wireless terminals, and a maintenance device communicating with the respective wireless terminals via the respective wireless communication devices. Each wireless terminal holds a first program for controlling communication with a counter device via the wireless communication device and a second program for controlling communication with the maintenance device for diagnosis of the wireless communication system. The maintenance device holds a diagnosis start condition, and when determined that at least one of the plurality of wireless terminals satisfies the diagnosis start condition, transmits a start-up instruction of the second program to at least one of the plurality of wireless terminals. The wireless terminal that receives the start-up instruction executes the second program to diagnose the wireless communication system, and transmits to the maintenance device information indicating diagnosis results of the wireless communication system.
Patent JP-2012175356-A (JP)
Title: Signal detector, signal detection method, optical receiver, and optical reception method
Inventor: YAMAMOTO HIROSHI
IPC: H04B10/43
Filed: 2011-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a technology for operating an optical receiver capable of receiving data with different transmission speeds under suitable conditions for each transmission speed.SOLUTION: A signal detector includes signal power detection means into which an electrical signal showing an average of an amplitude of a received optical signal is input and which issues a predetermined signal when an amplitude of the electrical signal is under a predetermined threshold value, and signal detection threshold value setting means which sets a threshold value based on a transmission speed of the optical signal.
Patent JP-2012171230-A (JP)
Title: Mold releasing sheet
Inventor: SAKAKURA HIROSHI
IPC: B32B27/32
Filed: 2011-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a mold releasing sheet ready in manufacturing, excellent in releasability, suppressed in transition of a release layer to an adherend in high temperature pressing, reduced in contamination of the adherend and environmental load upon discarding, and increased in water tightness.SOLUTION: In the mold releasing sheet constituted by forming the release layer containing an acid-modified polyolefin resin, polyvinyl alcohol and crosslinking agents on a base material. The crosslinking agent A selected from carbodiimide or oxazoline compounds and the crosslinking agent B selected from melamine compounds are contained as the crosslinking agents.
Patent JP-2012172459-A (JP)
Title: Pre-fabricated building
Inventor: OKADA KAZUOMI
IPC: E04B1/343
Filed: 2011-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a pre-fabricated building having a structure in which a roof beam is suspended from a beam or in which a roof beam is placed on a beam, selectively employed when the beam and the roof beam are connected in a parallel direction and when the beam and the roof beam are connected in a cross direction in a plan view.SOLUTION: A pre-fabricated building comprises beams 1, pillars 2, two roofs 3, parallel connectors 4 and cross connectors 5. The beam 1 is laterally bridged on the pillars 2, each roof 3 has roof beams 6, and each of the parallel connectors 4 and the cross connectors 5 may be attached to an arbitrary position along a lengthwise direction of the beam 1, so as to connect the beam 1 and the roof beam 6. The roof beam 6 of one of the roof 3 is connected to the beam 1 in a parallel direction with the parallel connector 4, and the roof beam 6 of the other roof 3 is connected to the beam 1 in a cross direction in a plan view with the cross connector 5.
Patent JP-2012176824-A (JP)
Title: Passenger conveyor
Inventor: KIKUCHI TAKAYUKI
IPC: B66B23/22
Filed: 2011-02-25
Abstract: PROBLEM TO BE SOLVED: To provide a passenger conveyor that can secure a sensor safely and attractively in the passenger conveyor with an inside plate of a parapet formed of a glass plate.SOLUTION: An escalator 10 has the inside plate of the parapet 12, which is formed of the glass plate 14. A notch 20 is provided in the glass plate 14 in a folding part of handrail belt 18, and the sensor 34 for detecting a user is arranged in the interior of the notch 20 so as to be overlapped with a board thickness portion of the glass plate 14.
Patent JP-2012182585-A (JP)
Title: Exciting device and frequency conversion method therefor
Inventor: SHIMIZU IPPEI
IPC: H03F1/32
Filed: 2011-02-28
Abstract: PROBLEM TO BE SOLVED: To provide an exciting device in which a delay function can be implemented at a low cost.SOLUTION: The exciting device which inputs an input signal to a transmission amplifier while converting the frequency comprises an analog/digital converter, a compensation unit, a clock generation unit, and a delay unit. The analog/digital converter converts the input signal into digital data at a sampling frequency higher than four times of the frequency thereof. The compensation unit compensates for the distortion generated in the transmission amplifier by deforming the characteristics of the iput signal represented by the digital data to the reverse characteristics of the gain characteristics of the transmission amplifier. The clock generation unit generates a clock by using the sampling frequency. The delay unit delays the digital data by using the clock generated in the clock generation unit. The compensation unit deforms the characteristics of the input signal in the digital region by using an algorithm for processing the input signal as a signal on the time axis.
Patent JP-2012181127-A (JP)
Title: Pressure sensor
Inventor: ISHIKAWA HIDEKI
IPC: G01L19/14
Filed: 2011-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a technique for forming a stable electrical connection between a pressure detection element and a substrate.SOLUTION: A pressure sensor comprises: a cylindrical first case with a bottom; a cylindrical second case; and a cylindrical connection member having elasticity which is arranged between the first and second cases for connecting the first and second cases. The pressure sensor further comprises: a pressure detection element; a base; a substrate on which a circuit part is arranged; and an electrical wiring path for electrically connecting the pressure detection element with the circuit part. In the connection member, an opening for forming a bonding wire, by wire bonding, from the outside of the connection member is formed.
Patent JP-2012185626-A (JP)
Title: In-vehicle information recording device, driving support device, navigation device and information recording method
Inventor: MAEDA TAKASHI
IPC: G08G1/00
Filed: 2011-03-04
Abstract: PROBLEM TO BE SOLVED: To predict an emergency situation caused by an object other than a user's own vehicle and record information that can be useful in analyzing the emergency situation.SOLUTION: This invention includes a service zone determination unit 31 which determines whether or not a user's vehicle is driving in a driving support zone in which a driving support system provides driving support information and a recording control unit 32 which records vehicle information at intervals that are shorter than the ones for zones other than the driving support zones or vehicle information or driving support information associated with the type of a service to be provided by the driving support system in addition to normal vehicle information that is recorded while the vehicle is driving in zones other than the driving support zones when the service zone determination unit 31 determines that the user's vehicle is driving in a driving support zone.
Patent JP-2012185018-A (JP)
Title: Bicycle steerability evaluation method and bicycle steerability evaluation apparatus
Inventor: MURAKAMI KAZUTOMO
IPC: A61B5/0476
Filed: 2011-03-04
Abstract: PROBLEM TO BE SOLVED: To evaluate steerability such as "feelings of ride" or "steering stability" of a bicycle on the basis of objective indices.SOLUTION: According to a bicycle steerability evaluation method, steerability of a bicycle is evaluated using a signal that can be acquired from a rider when the bicycle travels on a road surface. The method includes a signal acquisition step S1 of acquiring an electric signal from an electrode disposed on the back of the head of the rider based on international laws 10-20, an analysis step S21 of executing signal analysis for extracting spectra of frequency components corresponding to Midα, Fastα and β waves from the acquired electric signal, and a classification step S23 of classifying the extracted spectra to any one of a plurality of categories for evaluating steerability of the bicycle on the basis of a criterion associated with the electric signal acquired from the electrode disposed on the back of the head of an examinee steering a reference bicycle traveling on the road surface on the basis of the international laws 10-20 and an evaluation value evaluating steerability of the reference bicycle inputted by the examinee.
Patent JP-2012186310-A (JP)
Title: Photovoltaic power generation film
Inventor: SASAKI MAKOTO
IPC: H01L31/042
Filed: 2011-03-04
Abstract: PROBLEM TO BE SOLVED: To provide a photovoltaic power generation film which has transparency and a heat shielding effect while maintaining high power generation efficiency.SOLUTION: The photovoltaic power generation film comprises a pair of plastic films, an organic solar cell part provided between the pair of plastic films, and an adhesive layer provided outside the plastic films on the light-receiving surface side of the organic solar cell part. The organic solar cell part has a bulk heterojunction photoelectric conversion layer containing a blue or green organic dye and a fullerene derivative. A thickness of the photoelectric conversion layer is 100-200 nm.
Patent JP-2011187962-A (JP)
Title: Light-emitting device
Inventor: PARK KYUNG WOOK
IPC: H01L23/28
Filed: 2011-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light-emitting device which has improved reliability.  <P>SOLUTION: The light-emitting device includes a body; a plurality of electrodes placed on the body, a light-emitting chip which is placed on the body, and is electrically connected to the plurality of electrodes to generate light; and a thermoelectric device (thermoelectric cooler module) which is electrically connected to the plurality of electrodes and cool the light-emitting chip.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011213581-A (JP)
Title: Bismuth iron oxide powder, method of producing the same, dielectric ceramics, piezoelectric element, liquid ejection head and ultrasonic motor
Inventor: YABUTA HISATO
IPC: H01L41/317
Filed: 2011-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a lead-free dielectric ceramics having a low leakage current and to provide a bismuth iron oxide powder as a raw material of the lead-free dielectric ceramics.SOLUTION: The bismuth iron oxide powder is made of a bithmuth iron oxide and comprises at least: grains (A) having a perovskite-type crystal structure; grains (B) having a crystal structure classified to a space group Pbam; and grains (C) classified to a space group I23. The dielectric ceramics are made of bismuth iron oxide in which the bismuth iron oxide crystals having the crystal structure classified to the space group Pbam are distributed at a grain boundary of crystal grains made of the bismuth iron oxide crystals having the perovskite-type crystal structure.
Patent JP-2012191453-A (JP)
Title: Communication method and communication system
Inventor: NISHIYAMA TAKESHI
IPC: H04L12/56
Filed: 2011-03-10
Abstract: PROBLEM TO BE SOLVED: To prevent illegal access in tunnel communication and manage a system in a simple manner.SOLUTION: A server stores a permission terminal identifier for identifying a permission terminal to which tunnel communication in which a first router device is defined as a terminal point is permitted and a terminal point address of a tunnel used in communication by the permission terminal while associating them with each other. A second router device encapsulating packets received from a request terminal requesting the tunnel communication inquires of a server about the terminal point address corresponding to an identifier of the request terminal. The server, when detecting a target address that is the terminal point address corresponding to the identifier of the request terminal, notifies the second router device of the target address. The second router device transmits an encapsulated packet to the target address. The first router device to which the target address is allocated treats a received packet addressed to the target address as a packet to be used in the tunnel communication by the permission terminal, and decapsulates and transfers the packet.
Patent JP-2012189294-A (JP)
Title: Coating material drying device and recording apparatus
Inventor: TOYA AKIHIRO
IPC: B05C9/14
Filed: 2011-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a coating material drying device capable of effectively preventing the occurrence of a drying spot without enlarging the device.SOLUTION: The device dries a coating material applied on a surface 12a of a base material 12 in a drying space 61. The device includes a first air supply unit 64 for supplying a drying gas W1 into the drying space along a first direction Z substantially perpendicular to the surface, and a second air supply unit 69 for supplying a drying gas W2 into the drying space along a second direction X substantially parallel to the surface.
Patent JP-2012192317-A (JP)
Title: Strainer
Inventor: KUBO HIDENORI
IPC: B01D29/62
Filed: 2011-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a strainer not requiring a separate valve attachment to an inlet side of the strainer, and allowing foreign objects fixed to a screen of the strainer to be surely removed.SOLUTION: A strainer body 3 has an inlet 1 and an outlet 2, and is equipped with a filter 4 inside. A valve seat 5 is formed at a midsection between the inlet 1 and the outlet 2, and a valve element 7 is arranged facing the valve seat 5. A handle 9 is connected to the valve element 7 through a connection rod 8. An extension rod 10 to which cleaning members 6 are attached, is connected with an under part of the valve element 7. The filter 4 can be cleaned by rotating the handle 9 to rotate the extension rod 10, thereby causing radial ends of the cleaning members 6 to rotatingly contact an inner circumferential surface of the filter 4. Fluid from the inlet 1 can be prevented from reaching the filter 4 by rotating the handle 9 to seat the valve element 7 on the valve seat 5 when needed.
Patent JP-2011182640-A (JP)
Title: Charging stand
Inventor: NAKAYAMA SHOJI
IPC: H01M10/44
Filed: 2011-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To simultaneous charge a plurality of electric vehicles while ensuring safety during charging.  <P>SOLUTION: A charging stand is provided with a plurality of storage spaces 8 aligned vertically within a stand body 1. The storage spaces, each provided with an outlet 20, can be individually enclosed by a door 13 (within a casing 11 of an outlet unit 10 within the storage space 8). Therefore, a plurality of electric vehicles EV can be simultaneously charged while ensuring safety, such as preventing theft and mischief of a charging cable 100.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012197528-A (JP)
Title: Silicon carbide-based fiber sewing thread and method for manufacturing silicon carbide-based fiber sewing thread
Inventor: SATO AKIHIRO
IPC: D02G3/16
Filed: 2011-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a silicon carbide-based fiber sewing thread that keeps high mechanical strength of silicon carbide-based fiber and has high durability against abrasion with a pinhole caused when used for sewing.SOLUTION: A silicon carbide-based fiber sewing thread comprises: a core yarn obtained by arranging a meltable yarn on a surface of a silicon carbide-based fiber yarn; and a synthetic fiber winding yarn covering the core yarn. A method for manufacturing a silicon carbide-based fiber sewing thread comprises the steps of: obtaining a core yarn by arranging a meltable yarn on a silicon carbide-based fiber yarn; covering the core yarn with a synthetic fiber winding yarn; and heating the resultant yarns.
Patent JP-2012196343-A (JP)
Title: Kitchen counter structure, and method for forming the same
Inventor: ISHIKI SHIGERU
IPC: E03C1/18
Filed: 2011-03-22
Abstract: PROBLEM TO BE SOLVED: To provide a kitchen counter structure that can prevent a sink from being corroded or rusted even if water, or the like, is intruded into a part between a joint part and a flange of the sink, and maintains a good appearance.SOLUTION: The kitchen counter structure is configured such that an inner circumferential edge 22 of an opening 21 of a counter 2 and the flange 31 of the sink 3 are placed opposite each other, the joint part 4 filled with a room temperature curable resin 41 is provided between the inner circumferential edge 22 of the opening 21 of the counter 2 and the flange 31 of the sink 3, and a water expandable resin 5 is embedded in an abutting part 7 of the joint part 4 and the flange 31.