Patent application number | Description | Published |
20100270509 | VINYLIDENE FLUORIDE BASED POLYMER POWDER AND USE THEREOF - A method for producing a vinylidene fluoride based polymer powder having a high molecular weight and excellent solubility in an organic solvent, which is useful as an electrode binder for nonaqueous cells, is provided. Methods for producing an NMP solution and an electrode mixture are also provided. | 10-28-2010 |
20100285254 | ADHESIVE VINYLIDENE FLUORIDE RESIN SHEET - An adhesive vinylidene fluoride resin sheet, including: an extruded sheet of a vinylidene fluoride copolymer composition comprising 100 wt. parts of polymerized units of a vinylidene fluoride monomer containing at least 60 wt. % of vinylidene fluoride, and 0.01-0.8 wt. part of polymerized units of a monoester of unsaturated dibasic acid. The vinylidene fluoride resin sheet is excellent in adhesiveness with another thermoplastic resin layer, and provides a lamination extrusion sheet with such another thermoplastic resin layer taking advantage of the good adhesiveness. | 11-11-2010 |
20110124825 | Production Process of Poly(Arylene Sulfide) Whose Content of Terminal Halogen Group Has Been Reduced - The invention provides a production process of a poly(arylene sulfide) which contains a step of polymerizing a sulfur source and a dihalo-aromatic compound in an organic amide solvent, said polymerization step containing a phase-separation polymerization step that the polymerization reaction is continued in the presence of a phase separation agent in a phase-separated state, wherein a monohalo-organic compound is added in a proportion of 0.005 to 20 mol per 100 mol of the charged sulfur source into the polymerization reaction system at the time a conversion of the dihalo-aromatic compound has reached 80 to 99% after initiation of the polymerization reaction and before the liquid phase becomes the phase-separated state to be reacted with a formed polymer, and the liquid phase within the polymerization reaction system is then converted to the phase-separated state to continue the polymerization reaction. | 05-26-2011 |
20120041122 | Polyvinylidene Fluoride Resin Composition, White Resin Film, And Backsheet For Solar Cell Module - A polyvinylidene fluoride resin composition containing a polyvinylidene fluoride resin and titanium oxide, wherein the content of the titanium oxide is 5 to 100 parts by weight per 100 parts by weight of the polyvinylidene fluoride resin, the resin composition contains, as a heat stabilizer, at least one compound selected from the group consisting of calcium polyhydroxymonocarboxylates, calcium salts of aliphatic carboxylic acids having 5 to 30 carbon atoms, calcium carbonate, calcium hydroxide, zinc oxide and magnesium oxide in a proportion of 0.1 to 20 parts by weight, and a weight ratio of the titanium oxide to the heat stabilizer is 100:1 to 3:1. | 02-16-2012 |
20120065361 | Poly(Arylene Sulfide) and Production Process Thereof - The invention provides a production process of a poly(arylene sulfide), comprising a polymerization step of subjecting at least one sulfur source selected from the group consisting of alkali metal sulfides and alkali metal hydrosulfides and a dihalo-aromatic compound to a polymerization reaction in an organic amide solvent; a reaction step of adding a hydroxyl group-containing organic compound containing no bonded halogen atom in a proportion of 0.001 to 20 mol per 100 mol of the charged sulfur source into the polymerization reaction system containing the organic amide solvent and a formed polymer after the polymerization step to cause the formed polymer to react with the hydroxyl group-containing organic compound; and a collecting step of collecting a polymer from the polymerization reaction system after the reaction step, and the poly(arylene sulfide). | 03-15-2012 |
20120208085 | Vinylidene Fluoride Polymer Powder and Vinylidene Fluoride Polymer Solution - Provided is a vinylidene fluoride polymer powder exhibiting excellent solubility in aprotic polar solvents, and a vinylidene fluoride polymer solution obtained from the powder and an aprotic polar solvent. The vinylidene fluoride polymer powder has an NMP penetration rate of 12 to 100% as measured by an NMP penetration test. | 08-16-2012 |
20120213915 | Process for Producing Heat-Treated Vinylidene Fluoride Polymer Powder and Process for Producing Vinylidene Fluoride Polymer Solution - Provided is a process for producing vinylidene fluoride polymer powder that exhibits excellent solubility with respect to aprotic polar solvents, and a process for producing a vinylidene fluoride polymer solution using vinylidene fluoride polymer powder obtained by the polymer powder production process. The process for producing heat-treated vinylidene fluoride polymer powder includes heat treating raw vinylidene fluoride polymer powder at such a temperature that the temperature of the polymer powder is not less than 125° C. to less than the crystal melting temperature (Tm) of the polymer. | 08-23-2012 |
20130022808 | Branched Poly(Arylene Sulfide) Resin and Method for Producing Same - Disclosed are a branched poly(arylene sulfide) resin having a melt viscosity measured at a temperature of 310° C. and a shear rate of 1200 sec | 01-24-2013 |
20150137032 | Process For Producing Heat-Treated Vinylidene Fluoride Polymer Powder And Process For Producing Vinylidene Fluoride Polymer Solution - The present invention relates to a process for producing a vinylidene fluoride polymer solution, which involves dissolving heat-treated vinylidene fluoride polymer powder into an aprotic polar solvent. The heat-treated vinylidene fluoride polymer powder is obtained by heat treating raw vinylidene fluoride polymer powder at such a temperature that the temperature of the vinylidene fluoride polymer powder is not less than 125° C. to less than a crystal melting temperature (Tm) of the polymer. | 05-21-2015 |
Patent application number | Description | Published |
20110182556 | PLASTIC-CLADDING OPTICAL FIBER - A plastic-cladding optical fiber is provided. The plastic-cladding optical fiber is provided includes: a core layer made of quartz glass; and a cladding layer formed by hardening a curable resin composition over a periphery of the core layer. Adhesion between the core layer and the cladding layer ranges 1.5 g/mm to 4.0 g/mm. | 07-28-2011 |
20120177329 | COATED PLASTIC CLADDING OPTICAL FIBER AND OPTICAL FIBER CABLE - A coated plastic cladding optical fiber and an optical fiber cable, in which a transmission loss caused when this coated fiber or this fiber cable is bent in a small radius is small, and which can be used sufficiently as a USB cable or a HDMI cable in a high speed transmission, are provided. | 07-12-2012 |
20130084048 | MULTI-MODE OPTICAL FIBER - The present invention relates to a multi-mode optical fiber having a structure to reduce the numerical aperture at the emission end of the multi-mode optical fiber having a length for which practical use is assumed. The multi-mode optical fiber comprises a core portion, a trench portion, and a cladding portion. The multi-mode optical fiber is designed such that the numerical aperture at the emission end thereof is reduced as the fiber length increases, and moreover such that the numerical aperture of the multi-mode optical fiber having a length for which practical use is assumed satisfies a specific condition. By this means, the numerical aperture at the emission end of the multi-mode optical fiber can be kept small, and coupling efficiency of the multi-mode optical fiber with other optical components is drastically improved. | 04-04-2013 |
20130094818 | CONNECTOR ASSEMBLY - A connector assembly capable of efficiently dissipating heat is provided. The connector assembly includes: an optical cable; and a connector module, and the optical cable includes an optical fiber core wire, an outer cover provided around the optical fiber core wire, and a metallic braid provided between the optical fiber core wire and the outer cover, and the connector module includes a housing defining a space, and a circuit board received in the space of the housing and mounted with a photoelectric conversion unit connected with the optical fiber core wire, and the metallic braid of the optical cable and the circuit board of the connector module are thermally connected to each other. | 04-18-2013 |
20130129288 | OPTICAL CABLE - An optical cable comprises an optical fiber ribbon, a tension member and a sheath. The optical fiber ribbon is constructed by integrating a plurality of optical fibers arranged in parallel. The sheath is provided so as to surround the optical fiber ribbon. The sheath is used for protecting the optical cable. One optical fiber ribbon is arranged twistably within an inner space surrounded by the sheath. | 05-23-2013 |
20130266280 | PHOTOELECTRIC COMPOSITE CABLE - The photoelectric composite cable | 10-10-2013 |
20140079362 | OPTICAL FIBER - An optical fiber | 03-20-2014 |
20140119698 | OPTICAL CABLE - An optical cable comprises a coated optical fiber having an optical fiber which includes a core made of glass and a cladding surrounding the core and a jacket made of a thermoplastic resin. The jacket is directly covering the coated optical fiber while in close contact therewith. In the optical cable, the optical fiber has the highest modulus of elasticity in materials constituting the optical cable, a glass diameter of the optical fiber is at least 30 μm but not more than 200 μm while being 5% or less of a cable diameter of the optical cable, and a distortion occurring in the optical fiber when bending the optical cable by 180° is 6% or less. | 05-01-2014 |
20140178019 | OPTICAL CABLE - In an optical cable | 06-26-2014 |
20140219617 | OPTICAL CABLE - An optical cable includes an optical fiber ribbon core wire provided with an optical fiber having a core and a cladding that surrounds the core, a sheath that surrounds the optical fiber ribbon core wire, and a braid arranged inside the sheath. The braid is formed to include wires woven with each other. In the optical cable, the wire that forms the braid is pushed into the sheath so that the sheath is integrated with the braid. | 08-07-2014 |
20140328565 | MULTIMODE OPTICAL FIBER AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a multimode optical fiber which can provide a smooth cut face suitable for fusion splicing between fibers. The multimode optical fiber has at least a core extending along a central axis and having an α-power refractive index profile, and a cladding, and a residual stress distribution in the core along a radial direction from the central axis has a shape with a maximum at a position intersecting with the central axis. | 11-06-2014 |
20140338969 | OPTICAL-ELECTRICAL COMPOSITE CABLE - An optical-electrical composite cable | 11-20-2014 |
20140376866 | OPTICAL FIBER AND OPTICAL CABLE - An optical fiber includes a core, a clad and a coating layer. The core is made of glass, has a higher refractive index than that of the clad, and can guide propagating light. The clad surrounding the core is made of glass or plastic. The coating layer surrounding the clad is made of plastic. The core has a diameter d1 of from 70 to 105 μm. The clad has a diameter d2 of from 80 to 130 μm. The glass has a diameter of from 70 to 130 μm. The coating layer has a thickness t3 of from 12.5 to 85 μm. The optical fiber has an effective numerical aperture NA of from 0.28 to 0.35. The optical fiber of this embodiment has a transmission loss of 20 dB/km or smaller and a transmission bandwidth of 40 MHz·km or larger at an 850-nm wavelength. | 12-25-2014 |
20150030296 | OPTICAL FIBER RIBBON - An optical fiber ribbon | 01-29-2015 |
20150078716 | OPTICAL FIBER AND OPTICAL CABLE - The present invention relates to an optical fiber and an optical cable which can be used for a long term even under environments in which an oil content migrates into them, and the optical fiber has a glass fiber extending along a predetermined axis, and a coating. The coating is composed of a plurality of layers each of which is comprised of an ultraviolet curable resin or a thermosetting resin, and swelling rates of the respective coating layers are set so that they increase from an outer peripheral surface of the glass fiber to an outer peripheral surface of the cable jacket. | 03-19-2015 |
20150160419 | OPTICAL FIBER WITH FERRULE AND MANUFACTURING METHOD OF THE SAME - An optical fiber with a ferrule, includes an optical fiber having a core part and a cladding part, and a ferrule to which an end of the optical fiber is fixed. The ferrule is formed integrally to the optical fiber and a resin constructing the ferrule directly abuts on the optical fiber. | 06-11-2015 |
20150192734 | OPTICAL FIBER AND OPTICAL FIBER CABLE - An optical fiber comprises a glass portion comprising a core and a cladding surrounding the core, and, a resin portion comprising a non-removable resin layer tightly covering the glass portion and comprising an ultraviolet curing resin and a buffer layer covering the non-removable resin layer and comprising an ultraviolet curing resin. A diameter of the core falls within a range from 20 μm or larger to 80 μm or smaller, and an outer diameter of the non-removable resin layer falls within a range from 120 μm or larger to 127 μm or smaller. In this optical fiber, when flexural rigidity of the glass portion is EI(g) and flexural rigidity of the resin portion is EI(r), EI(g)≧EI(r) is satisfied. | 07-09-2015 |
20150192749 | OPTICAL FIBER CABLE - An optical fiber cable comprises a plurality of optical fibers, tensile strength fibers that accommodate the plurality of optical fibers, and a sheath formed with a thermoplastic resin and covering the tensile strength resin. In this optical fiber cable, when a Young's modulus of the sheath at 0° C. is E [MPa], a cross-sectional area of the optical fiber cable is S [mm | 07-09-2015 |
20150226916 | MULTI MODE OPTICAL FIBER - A multi mode optical fiber includes a core having a refractive index distribution of a curved form, a central part in a radial direction of which protrudes, a cladding provided in the periphery of the core and having a constant refractive index lower than a refractive index of the core and a trench layer provided between the core and the cladding and having a constant refractive index lower than that of the cladding. A width dimension of the trench layer in the radial direction is set to 2 μm or smaller and a ratio of an absolute value of Δ trench that is a refractive index difference between the cladding and the trench layer to an absolute value of Δ core that is a maximum refractive index difference between the cladding and the core is set to 0.5 or larger. | 08-13-2015 |
Patent application number | Description | Published |
20090085516 | Automotive Power Supply System - An automotive power supply system comprises a battery module that includes serially connected battery groups each constituted with serially connected battery cells, integrated circuits each disposed in correspondence to one of the battery groups, a control circuit, a transmission path through which the integrated circuits are connected to the control circuit and a relay circuit via which an electrical current is supplied from the battery module. In response to a start signal instructing an operation start and received via the transmission path, each integrated circuit measures terminal voltages at the individual battery cells in the corresponding battery group and executes an abnormality diagnosis. If abnormality diagnosis results provided by the integrated circuits indicate no abnormality, the control circuit closes the relay, enabling supply of electrical current from the battery module and subsequently, the control circuit receives measurement results from the integrated circuits via the transmission path. | 04-02-2009 |
20090087722 | Integrated Circuit For Controlling Battery Cell and Vehicle Power Supply System - A vehicle power supply system comprises a battery module that includes a plurality of battery cells, battery cell control devices and a signal transmission path through which signals are transmitted. The battery cell control device comprises a voltage measurement circuit that measures terminal voltages at the battery cells, an abnormality diagnosis circuit that diagnoses an abnormality in the battery cell control device, a timing control circuit that outputs a signal for instructing measurement phase and a signal for instructing diagnosis phase, and a communication circuit that outputs a signal indicating the terminal voltage and a signal based upon a diagnosis result by the abnormality diagnosis circuit. | 04-02-2009 |
20090091332 | Vehicle power supply device - A vehicle power supply device comprises a lithium battery module that includes a plurality of lithium battery cells, first control devices, voltage detection harnesses via which terminal voltages at individual lithium battery cells are input to the first control devices, a second control device and a signal transmission path through which signals are transmitted. The first control device comprises a selection circuit that selects terminal voltages at individual lithium battery cells, a voltage measurement circuit that measures the selected terminal voltages, balancing switches used to discharge individual lithium battery cells, a balancing switch control circuit that controls open/close of the balancing switches, and a diagnosis circuit for detecting an electrically abnormal connection in the detection harnesses. | 04-09-2009 |
20090130541 | Multi-Series Battery Control System - A multi-series battery control system comprises battery cell groups each having a plurality of serially connected battery cells, a plurality of integrated circuits each disposed in correspondence to one of the battery cell groups and a battery control device that exchanges signals with the individual integrated circuits. Each integrated circuit includes an address setting means that receives a message unique to the integrated circuit, different from messages sent to other integrated circuits, from the battery control device, writes over an initialized address of the integrated circuit with the message and alters the message to a message with which an initialized address of another integrated circuit cannot be overwritten in a step assigned with an ordinal number matching the position of the integrated circuit with regard to the connection order. | 05-21-2009 |
Patent application number | Description | Published |
20110313613 | Electric Storage Device - An electric storage device including a state detection unit managing and controlling the state of a battery unit, wherein the state detection unit captures an inter-terminal voltage of each of a plurality of batteries measured by a battery management unit in a no-load state where the battery unit is separated from a load, and calculates variation information about the states of charge of the batteries. In addition, the state detection unit, taking into consideration the variation information about the states of charge of the batteries, calculates allowable charge and discharge information required for controlling the charging and discharging of the battery unit in a loaded state where the battery unit is connected to a load and charged or discharged, and outputs the allowable charge and discharge information to a charge and discharge device in the battery unit. | 12-22-2011 |
20110316520 | Battery Control Circuit - A battery control circuit includes a voltage detection circuit for measuring voltages of electric cells, balancing circuits for balancing the voltages or SOCs of the electric cells, a signal input/output circuit for communicating with the outside, a power supply circuit having two modes: a normal mode and a low consumption mode, and a time management circuit. It receives a signal containing a period of time until the shift of the power supply circuit from the normal mode to the low consumption mode, and stores it in the time management circuit. If a command from the outside has not been sent for a predetermined period of time or when an operation stop command has been sent from the outside, the time management circuit causes the power supply circuit to continuously operate in the normal mode. Then, the battery control circuit monitors an operation continuation period in the normal mode, and causes the power supply circuit to shift to the low consumption mode when the operation continuation period matches the stored period of time. | 12-29-2011 |
20130106356 | BATTERY CONTROL CIRCUIT AND BATTERY DEVICE | 05-02-2013 |
20130260213 | Battery System - Provided is a battery system including battery modules each having a plurality of batteries and a battery module control unit for controlling the plurality of batteries, and battery pack control units for controlling a plurality of the battery module control units, wherein the plurality of the battery module control units are connected in serial by wires between modules, wherein each battery module control unit includes a first input/output terminal for inputting or outputting information to or from a battery module control unit of one adjacent battery module and a second input/output terminal for inputting or outputting information to or from a battery module control unit of another adjacent battery module, and wherein an input impedance of the first input/output terminal is smaller than an input impedance of the second input/output terminal. | 10-03-2013 |
20130271146 | BATTERY SYSTEM - A battery system includes an assembled battery having a plurality of batteries connected in series, a discharge circuit having a first resistor and a discharge switch connected in series, which is connected in parallel to the respective batteries to discharge the respective batteries, a comparator that compares voltages of the respective batteries with a given voltage through the first resistor, and a diagnostic circuit that conducts a fault diagnosis of the discharge switch on the basis of comparison results of the comparator. | 10-17-2013 |
20140159671 | Battery Control Circuit for Reducing Power Consumption - A battery control circuit includes a voltage detection circuit for measuring voltages of electric cells, balancing circuits for balancing the voltages or SOCs of the electric cells, a signal input/output circuit for communicating with the outside, a power supply circuit having two modes: a normal mode and a low consumption mode, and a time management circuit. It receives a signal containing a period of time until the shift of the power supply circuit from the normal mode to the low consumption mode, and stores it in the time management circuit. If a command from the outside has not been sent for a predetermined period of time or when an operation stop command has been sent from the outside, the time management circuit causes the power supply circuit to continuously operate in the normal mode. Then, the battery control circuit monitors an operation continuation period in the normal mode, and causes the power supply circuit to shift to the low consumption mode when the operation continuation period matches the stored period of time. | 06-12-2014 |
Patent application number | Description | Published |
20090060143 | Rotating anticathode x-ray generating apparatus and x-ray generating method - A rotating anticathode X-ray generating apparatus includes: a rotating anticathode; an electron beam source for irradiating an electron beam onto the rotating anticathode so that an irradiating direction of the electron beams is set equal to a direction of a centrifugal force caused by a rotation of the rotating anticathode; and a material for forming a film so as to cover at least an electron beam irradiating portion of the rotating anticathode and to suppress an evaporation of a material making the rotating anticathode from the electron beam irradiating portion. | 03-05-2009 |
20100080359 | X-ray generating method, and x-ray generating apparatus - An energy beam is irradiated onto a rotating anticathode so as to heat a portion irradiated by the energy beam under the condition that a vapor pressure at equilibrium state of the portion is set to 0.1 Torr or more, thereby generating an X-ray. The portion irradiated by the energy beam is kept at the rotating anticathode by a centrifugal force to the portion it a direction outward from a surface of the portion. | 04-01-2010 |
20100135465 | Rotating anticathode X-ray generating apparatus and X-ray generating method - A rotating anticathode X-ray generating apparatus, includes: a rotating anticathode; an electron beam source for irradiating an electron beam onto the rotating anticathode so that an irradiating direction of the electron beams is set equal to a direction of a centrifugal force caused by a rotation of the rotating anticathode; and a first material for forming a film so as to cover at least an electron beam irradiating portion of the rotating anticathode and to suppress an evaporation of a second material making the rotating anticathode from the electron beam irradiating portion, wherein the first material is disposed in a path of the electron beam so that the first material is configured so as to be converted into the film through an irradiation of the electron beam. | 06-03-2010 |
20100290596 | Rotating anticathode X-ray generating apparatus and X-ray generating method - A rotating anticathode X-ray generating apparatus which is configured such that an X-ray is generated by an irradiation of an electron beam emitted from a cathode includes a rotating anticathode with an electron beam irradiating portion to generate the X-ray through the irradiation of the electron beam so that a direction of the electron beam is set equal to a direction of a centrifugal force caused by a rotation of the rotating anticathode; and a film for covering at least the electron beam irradiating portion so as to prevent an evaporation of a material making the rotating anticathode. | 11-18-2010 |
20120087475 | X-RAY GENERATING METHOD, AND X-RAY GENERATING APPARATUS - A method for generating an X-ray includes the steps of: disposing at least a target in a chamber; irradiating an electron beam onto the target from an electron beam source disposed in or outside the chamber so as to satisfy a relation of β≦60 degrees if an incident angle of the electron beam is defined as “β”; and generating and taking an X-ray out of the target so as to satisfy a relation of −30 degrees≦β−α≦60 degrees if an output angle of the X-ray relative to a surface of the target is defined as “α”. | 04-12-2012 |