Patent application number | Description | Published |
20090207477 | Electrophoretic display device, method of manufacturing electrophoretic display device, and electronic device - An electrophoretic display device is provided. The electrophoretic display device comprises a first electrode provided on a surface of a first base member; second electrodes provided on a surface of a second base member so that the second electrodes are placed in a facing relationship with the first electrode; and a plurality of microcapsules provided between the first electrode and the second electrodes, the plurality of microcapsules each having an internal space filled with an electrophoretic dispersion liquid, and the electrophoretic dispersion liquid containing electrophoretic particles. The electrophoretic display device is configured so that spaces are formed between the adjacent microcapsules and between the first electrode and the second electrodes. The electrophoretic display device can exhibit superior display performance and can be driven with a low voltage and reduced electricity consumption. A method of manufacturing an electrophoretic display device and an electronic device are also provided. | 08-20-2009 |
20090208730 | Method of manufacturing electrophoretic display device, electrophoretic display device and electronic device - A method of manufacturing an electrophoretic display device is provided. The method comprises: preparing a plate-shaped first electrode provided on a first base portion, and the first electrode having a surface; preparing plate-shaped second electrodes provided on a second base portion; forming a first binder layer on the surface of the first electrode; supplying a plurality of microcapsules on the first binder layer, the plurality of microcapsules each having an internal space, the internal space filled with an electrophoretic dispersion liquid, the electrophoretic dispersion liquid containing electrophoretic particles having different colors, and the plurality of microcapsules including properly-sized microcapsules and improperly-sized microcapsules; fixing the properly-sized microcapsules to the surface of the first electrode through the first binder layer to obtain an electrophoretic display sheet; removing the improperly-sized microcapsules which are not brought into contact with the first binder layer from the electrophoretic display sheet; forming a second binder layer on the first binder layer so as to cover the properly-sized microcapsules; and providing the second electrodes on the second binder layer to obtain the electrophoretic display device. The method is capable of efficiently manufacturing the electrophoretic display device having high display performance by arranging microcapsules on electrodes so that the microcapsules are not overlapped with each other. Further, an electrophoretic display device and an electronic device are also provided. | 08-20-2009 |
20090315824 | Electrophoretic display sheet, electrophoretic display apparatus, and electronic device - An electrophoretic display sheet comprising a display layer, a first electrode, and second electrodes. The display layer has a plurality of reservoir portions filled with a dispersion liquid containing particles. Each of the plurality of reservoir portions has predetermined positions. When an electric field having a direction is generated by applying a voltage to between the first electrode and the second electrodes, the particles are locally gathered to the predetermined positions of each of the plurality of reservoir portions so as to make rows of the particles along the direction of the electric field in the dispersion liquid. The electrophoretic display sheet is capable of exhibiting both superior responsiveness (responsibility) and superior color display performance with high contrast in changing a display color. | 12-24-2009 |
20100097685 | Display device, method of manufacturing display device and electronic apparatus - A display device comprises a microcapsule-containing layer including a plurality of microcapsules. A variation of the outer diameters of the microcapsules can be defined by an average value and a CV value. Each of the microcapsules is comprised of: a shell having an inner surface; contact particles electrically charged and provided within the shell in an contact state that the contact particles are in contact with the inner surface of the shell; and a scattering body for scattering light; or a colored particles having a different hue from the hue of the contact particles. The display device further comprises a pair of electrodes that when an electrical voltage is applied to between the pair of electrodes, electrical fields to act on the contact particles are generated. The average value of the outer diameters of the microcapsules is in the range of 20 to 60 μm, and the CV value of the outer diameters of the microcapsules is 20% or less. In a case where the electrical voltage is applied to between the pair of electrodes, the contact particles are moved along the inner surface of the shell while maintaining the contact state with the inner surface of the shell. | 04-22-2010 |
20100259813 | DISPLAY DEVICE, METHOD OF MANUFACTURING DISPLAY DEVICE AND ELECTRONIC APPARATUS - A display device having a display surface, comprises: a contact particle-containing layer including a wall portion with an inner surface for defining a space, contact particles electrically charged and provided within the space in a contact state that the contact particles are in contact with the inner surface of the wall portion, the contact particles having a hue, and a scattering medium for scattering light or a colored medium having a different hue from the hue of the contact particles which is provided within the space; and a pair of electrodes that, when applied with an electrical voltage, generate electrical fields to act on the contact particles, wherein the display device is configured so that when the electrical voltage is applied to between the pair of electrodes, the contact particles are moved along the inner surface of the wall portion while maintaining the contact state. | 10-14-2010 |
20110080633 | ELECTROPHORETIC DISPLAY SHEET PRODUCTION PROCESS, ELECTROPHORETIC DISPLAY SHEET, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - Provided is a method of producing an electrophoretic display sheet having a substrate and a microcapsule-containing layer disposed on one surface side of the substrate and including microcapsules and a binder holding the microcapsules, the microcapsules each composed of a shell and an electrophoretic dispersion liquid sealed in the shell and containing at least one type of electrophoretic particles. The method includes the step of forming the microcapsule-containing layer where the microcapsules are arranged in a single layer without overlapping in the thickness direction of the substrate by supplying a microcapsule dispersion containing the microcapsules and the binder onto the substrate and then pressurizing the microcapsule dispersion in the thickness direction of the substrate. | 04-07-2011 |
Patent application number | Description | Published |
20090061333 | CARRIER FOR ELECTROSTATIC LATENT IMAGE DEVELOPMENT, AND DEVELOPER FOR ELECTROSTATIC LATENT IMAGE DEVELOPMENT, METHOD OF FORMING AN IMAGE, DEVELOPER CARTRIDGE FOR ELECTROSTATIC LATENT IMAGE DEVELOPMENT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS USING THE SAME - A carrier for developing an electrostatic latent image includes carrier particles, and the carrier particles include magnetic particles and a coating layer coating the surfaces of the magnetic particles. The BET specific surface area of the magnetic particles is 0.1300 m | 03-05-2009 |
20090067894 | IMAGE FORMING APPARATUS - The present invention provides an image forming apparatus comprising at least an image holding member, an charging unit, a latent image forming unit, a developing unit, an intermediate transfer belt, a primary transfer unit, a secondary transfer unit, a fixing unit, and a cleaning unit, wherein a surface hardness of a side, of the intermediate transfer belt, contacting with the image holding member being 10 to 30, a carrier in the developer having at least two resin-coated layers on a surface of a core material containing ferrite, and the core material having a surface roughness Sm of 2.0 μm or less, a surface roughness Ra of 0.1 μm or more, and an average a circularity degree of 0.975 to 1.000. | 03-12-2009 |
20090109448 | ELECTROSTATIC CHARGE IMAGE DEVELOPING CARRIER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, ELECTROSTATIC CHARGE IMAGE DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS - An electrostatic charge image developing carrier includes: a magnetic particle; and a resin coating layer that covers a surface of the magnetic particle with a resin, the resin coating layer containing an acid having a cyclic diterpene structure and either of carbon black or nigrosine dispersed therein. | 04-30-2009 |
20090111042 | ELECTROSTATIC CHARGE IMAGE DEVELOPER, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - An electrostatic charge image developer includes a toner containing an external additive and a carrier comprising a resin-coated layer formed on a surface of a core material. The average shape factor SF1 of the toner is from 125 to 135, the number of particles having shape factor SF1 of less than 125 is from 5% to 30% by number with respect to the total number of toner particles, the number of particles having shape factor SF1 of greater than 135 is from 5% to 30% by number with respect to the total number of toner particles, the scratch line width in a scratch strength test of the resin used in the resin-coated layer is from 80 μm to 200 μm, and the scratch depth is from 60 μm to 150 μm. | 04-30-2009 |
20100178603 | DEVELOPER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, DEVELOPER CARTRIDGE FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, PROCESS CARTRIDGE, AND IMAGE FORMATION APPARATUS - The invention provides a developer for developing an electrostatic latent image, the developer having at least: a transparent toner; and a carrier. The carrier contains at least: a magnetic particle; and a resin coating layer. The resin coating layer coats the surface of the magnetic particle and has cyan color. The invention further provides a developer cartridge storing the developer. The invention further provides a process cartridge storing the developer. The invention further provides an image formation apparatus having at least a color toner image-forming unit, a transparent toner image-forming unit that uses the developer to form a transparent toner image, and a fixing unit. | 07-15-2010 |
20110076606 | TONER, DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - There is provided a toner for electrostatic latent image developing, which includes a binder resin; a carbon black-surface treated with an isocyanate compound including a plurality of isocyanate groups which include one or more isocyanate groups that are not bonded to the carbon black; and a release agent having an acid value of about 5 mgKOH/g or higher and/or a hydroxyl value of about 5 mgKOH/g or higher. | 03-31-2011 |
20110229813 | ELECTROSTATIC IMAGE-DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE-FORMING METHOD, AND IMAGE-FORMING APPARATUS - An electrostatic image-developing toner comprising a binder resin, wherein the content of all the chlorine-substituted benzene derivatives in the electrostatic image-developing toner is about 0.01 ppb or more and about 10 ppb or less. | 09-22-2011 |
20120025371 | SEMICONDUCTOR DEVICE - A semiconductor device includes a semiconductor chip, wiring formed thereon, a first insulating film formed on the wiring, provided with a first opening, a pad electrode formed so as to be in contact with the wiring, a second insulating film formed on the pad electrode film, provided with a second opening, and a flip chip bump formed so as to be in contact with the pad electrode film. In this case, the second insulating film exists between the flip chip bump and the pad electrode film, in a region directly underneath the outer edge of the flip chip bump, as seen in a plan view, and the outer edge of the flip chip bump is formed in a region inside the outer edge of the pad electrode film. | 02-02-2012 |
20120077119 | ORANGE TONER AND TONER CARTRIDGE FOR STORING THE SAME, ORANGE DEVELOPER AND PROCESS CARTRIDGE FOR STORING THE SAME, COLOR TONER SET, AND IMAGE FORMING APPARATUS - An orange toner including a binder resin containing a polyester resin having a dodecenyl succinic acid structure as a constituent unit; and C.I. Pigment Orange 38 in a blending amount of from 5% by mass to 18% by mass relative to the whole mass of the toner and a toner storage container for storing the same, an orange developer and a process cartridge for storing the same, a color toner set, and an image forming apparatus. | 03-29-2012 |
20120183894 | MAGENTA TONER, TONER SET, MAGENTA DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A magenta toner includes a binder resin containing a polyester resin having a dodecenylsuccinic acid structure as a constituent unit, and a solid solution of C.I. Pigment Violet 19 and C.I. Pigment Red 122, the magenta toner having an amount of the solid solution of from 2% by mass to 30% by mass based on the total mass of the toner. | 07-19-2012 |
20130164667 | MAGENTA TONER FOR ELECTROPHOTOGRAPHY, DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - A magenta toner for electrophotography, including: toner particles containing, a polyester resin, a coloring agent containing a solid solution of C.I. Pigment Violet 19 and C.I. Pigment Red 122, a release agent, and inorganic particles; and an external additive, wherein an average particle diameter of the inorganic particle is 0.75 times or more the average particle diameter of the coloring agent. | 06-27-2013 |
20130252156 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - An electrostatic charge image developing toner includes toner particles that contain a binder resin having a carboxyl group, in which the carboxyl group in the binder resin present on the surfaces of the toner particles forms an alkaline earth metal salt, and an amount of the alkaline earth metal which is detected through ion chromatography of the toner particles is in a range of from 1.00×10 | 09-26-2013 |
20140106273 | POSITIVELY CHARGEABLE TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS - There is provided a positively chargeable toner including toner mother particles containing a binder resin having an ethylenically unsaturated bond, wherein the amine value of a component extracted with a water phase by the addition of ion exchanged water after mixing the toner with methyl ethyl ketone is from 600 to 1,250 and the weight average molecular weight of the component extracted with the water phase is from 1,000 to 200,000. | 04-17-2014 |
20140134526 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - An electrostatic charge image developing toner is configured of a polycondensate of a polyol and a polycarboxylic acid including a trimellitic acid, includes a polyester resin with an ethylenic unsaturated bond, and has toner particles including a reaction product of the polyester resin and a compound having an imidazoline structure in a surface part, a molar ratio of the trimellitic acid is from 0.1 mol % to 10 mol % with respect to the entire polymerization components of the polyester resin, and a weight ratio of the compound having an imidazoline structure is from 0.1% by weight to 10% by weight with respect to the total weight of the toner particles excluding the compound having an imidazoline structure. | 05-15-2014 |
20150035080 | Semiconductor Device - Disclosed is a semiconductor device in which a resistance component resulting from wiring is reduced. A plurality of transistor units are arranged side by side in a first direction (Y direction in the view), each of which has a plurality of transistors. The gate electrodes of the transistors extend in the first direction. First source wiring extends between first transistor unit and second transistor unit, and first drain wiring extends between the second transistor unit and third transistor unit. Second drain wiring extends on the side of the first transistor unit opposite to the side where the first source wiring extends, and second source wiring extends on the side of the third transistor unit opposite to the side where the second drain wiring extends. | 02-05-2015 |
Patent application number | Description | Published |
20090087759 | Oxime Ester Photoinitiators - Compounds of the formula (I), (II), and wherein R | 04-02-2009 |
20090221739 | Process for the Post-Modification of Homo and Copolymers Prepared by Controlled Free Radical Polymerization Processes - The instant invention pertains to the preparation of polymers or copolymers wherein in a first step a controlled free radical polymerization process is carried out and in a second step the resulting polymer is modified by transesterification reactions. The final modified polymer or copolymer is useful as a dispersant for pigments. Further aspects of the invention are the thus prepared polymers or copolymers, a pigment concentrate containing the polymer or copolymer and a coating material containing the pigment concentrate. | 09-03-2009 |
20100086881 | OXIME ESTER PHOTOINITIATORS - Compounds of the formula (I), wherein A | 04-08-2010 |
20100136467 | OXIME ESTER PHOTOINITIATORS - Compounds of the formula (I) and (II) M | 06-03-2010 |
20100136491 | OXIME ESTER PHOTOINITIATORS - Compounds of formula (I), (II), and (III), wherein R | 06-03-2010 |
20100188765 | Oxime Ester Photoinitiators - Compounds of the Formula (I) and (II) wherein M | 07-29-2010 |
20110134554 | PHOTOINITIATOR MIXTURES - Photoinitiator mixture comprising at least one alpha-amino ketone compound; and at least one compound of the Formula (I) or (I′) wherein R | 06-09-2011 |
20110170209 | OXIME ESTER PHOTOINITIATORS - Compounds of the formula I or (I′), wherein R | 07-14-2011 |
20110218266 | PHOTOINITIATOR MIXTURES - Photoinitiators mixture comprising (i) at least one compound selected from the group consisting of alpha-hydroxy ketones, monoacylphosphine oxides, bisacylphosphine oxides, ketosulfones, benzil ketals, benzoin ether, phenylglyoxylates, borates and titanocenes; and (ii) at least one compound of the formula (I) or (I′) R | 09-08-2011 |
20130059964 | PROCESS FOR THE POST-MODIFICATION OF HOMO AND COPOLYMERS PREPARED BY CONTROLLED FREE RADICAL POLYMERIZATION PROCESSES - The instant invention pertains to the preparation of polymers or copolymers wherein in a first step a controlled free radical polymerization process is carried out and in a second step the resulting polymer is modified by transesterification reactions. The final modified polymer or copolymer is useful as a dispersant for pigments. Further aspects of the invention are the thus prepared polymers or copolymers, a pigment concentrate containing the polymer or copolymer and a coating material containing the pigment concentrate. | 03-07-2013 |
Patent application number | Description | Published |
20090109901 | WIRELESS DEVICE WHICH SELECTS ROUTES EXCLUDING LOOP ROUTES AND A MESH NETWORK INCLUDING THE SAME - In wireless communication using links with neighbor wireless devices, a wireless device calculates ratios of throughput to maximum throughput for the links and calculates the costs of the links using the calculated ratios. Then the wireless device finds, for each destination, a route in which the sum of such calculated link costs is the minimum, and sends a packet to the destination using the route. As a consequence, routing can be done according to an isotonic, easy-to-implement routing protocol. | 04-30-2009 |
20090146866 | WIRELESS APPARATUS, WIRELESS COMMUNICATION SYSTEM, CONTROL METHOD, AND CONTROL PROGRAM - A wireless apparatus which can realize a DFS function that avoidance of interference with radar is considered in an Ad-Hoc mode under a multihop circumstance is provided. A Beacon frame is transmitted at a shorter interval than a previously set interval when radar is detected by wireless apparatuses N | 06-11-2009 |
20090149222 | WIRELESS BASE STATION, COMMUNICATION SYSTEM, BELONGING INFORMATION MANAGEMENT METHOD AND STORAGE MEDIUM FOR STORING PROGRAM - The present invention is to allow prompt and reliable synchronization of belonging information management table even in environments where there is a possibility of receiving update notification information from a plurality of wireless base stations, without needing unnecessarily large traffic for synchronization of belonging information management table. Wireless base station stores belonging information management table, to which belonging information of a terminal belonging to the base station is associated with, to new/old judgment information for judgment of new/old of update. Belonging information update unit performs update of belonging information including the new/old judgment information thereof. Further, upon receiving update notification information from other wireless base station, the belonging information update unit updates the belonging information management table based on the update notification information. The update notification information includes at least updated portion in the belonging information and new/old judgment information. | 06-11-2009 |
20120157128 | WIRELESS COMMUNICATION TERMINAL - A wireless communication terminal includes a communication status measurement element for measuring communication status data representing a communication status of the self terminal at the time of wireless communications; a reference data storage element for storing respective pieces of preset reference data representing communication statuses of a terminal which can be measured at respective locations at the time of wireless communications, in association with respective pieces of location data identifying the respective locations, and a location specifying element for comparing the communication status data measured by the communication status measurement element with the respective pieces of reference data stored in the reference data storage element, and based on the comparison result, specifying a location corresponding to the location data associated with a particular piece of reference data as a location of the self terminal. | 06-21-2012 |
20120244037 | SENSING DEVICE AND BIOSENSOR - Provided are a sensing device and a biosensor that are capable of achieving stable performance in sensing saccharides or hydroxyl group-containing polymers, and that can be stored for a long time. The biosensor | 09-27-2012 |
20120258638 | CONNECTOR AND CONNECTOR SET - A connector etc. that prevents wrong insertion and does not require large rotation of plug etc., when inserting a plug to a socket, is provided. Plug-in connector | 10-11-2012 |
20120283403 | Phenylboronic Acid Monomer and Phenylboronic Acid Polymer - Disclosed are a phenylboronic acid monomer and a phenylboronic acid polymer, each of which can have a pKa value suitable for the use under physiological environments and can be used for various applications. The pheanylboronic acid monomer has a structure represented by formula (13) and therefore has high hydrophilicity, can have a satisfactorily low pKa value when the phenyl ring is fluorinated, and can have a polymerizable unsaturated bond. The phenylboronic acid monomer has high hydrophilicity at a pKa value of 7.4 or less which is a physiological level, and can be polymerized with a wide variety of monomers to produce polymers suitable for the intended purposes. | 11-08-2012 |
20120320759 | WIRELESS COMMUNICATION DEVICE THAT IS CAPABLE OF IMPROVING DATA TRANSMISSION EFFICIENCY - A wireless communication device includes a data transmission and reception section that wirelessly transmits a plurality of test packets; a signal sensing section that senses a power of a spatial radio wave signal on a frequency channel that is the same as the plurality of test packets and outputs sample data of the sensed spatial radio wave signal; a calculation processing section that converts the sample data into time series sample data; a collision detection section that calculates a packet collision rate based on the number of packet collisions and the number of the plurality of test packets if there is a packet collision due to interference of the plurality of test packets with another communication; and a control section that adjusts a parameter that the data transmission and reception section uses based on a calculation result of the collision detection section. | 12-20-2012 |
20130066264 | SUGAR-RESPONSIVE GEL AND MEDICINE ADMINISTERING DEVICE - Disclosed are a sugar-responsive gel and a medicine administering device having a pKa more suitable for use in a body environment and capable of administering medicine more autonomously than before. A sugar-responsive gel and an insulin administering device having a pKa more suitable for use in a body environment and capable of administering insulin more autonomously than before, wherein under a body condition of pKa of 7.4 or less and temperature of 35° C.-40° C., when the glucose concentration increases, insulin can be released from a gel body in response thereto, and when the glucose concentration decreases, insulin release from the gel body can be suppressed. | 03-14-2013 |
20130091137 | INFORMATION CLASSIFICATION SYSTEM - An information classification system | 04-11-2013 |
20130278056 | DC Power Supply System and Control Method - A DC power supply system and a control method, which can continue charging of a storage battery with a constant current even if an assist current is needed due to, for example, overload during charging of the storage battery and can suppress a current output from the storage battery as much as possible. In a power supply system, when a charger operates at a potential of an output voltage smaller than the potential of the output voltage of a rectifier during charging of the storage battery, the output current of the charger is controlled so that a charging current Ie supplied from the charger to the storage battery is kept at a predetermined value, and when a load requires a current larger than the current supplied by the rectifier during charging of the storage battery, the potential of the output voltage of the rectifier is reduced smaller than the potential of the output voltage of the charger by a current drooping operation, and the diode is electrically connected, the output current of the charger is controlled so that the charger outputs the assistant current Ic supplied toward the load while the charging current Ie is kept at a predetermined value. | 10-24-2013 |
20130336188 | WIRELESS BASE STATION AND WIRELESS COMMUNICATION SYSTEM USING THE SAME - A wireless base station ( | 12-19-2013 |
20140072079 | DC BALANCE OFFSET ADJUSTABLE CIRCUIT AND SEMICONDUCTOR DEVICE INCLUDING THE SAME - A mechanism is provided for dynamically adjusting DC offset at the time of deviation from DC balance ½ (DC level) in a data pattern including long-period consecutive bits generating DC offset in a section of data. A receiver circuit unit of an LSI having a serializer/deserializer arrangement for performing high-speed serial transmission includes an offset adjusting circuit. The offset adjusting circuit calculates DC balance in an arbitrary section of data by averaging received serial data. Based on comparison between a DC level and the DC balance obtained by averaging the received data, offset is shifted toward the H side when the DC balance exists on the H side from the DC level, and shifted toward the L side when the DC balance exists on the L side. | 03-13-2014 |
20140124383 | ELECTRODE CHIP FOR DETECTING BIOLOGICAL MOLECULE, AND METHOD FOR DETECTING BIOLOGICAL MOLECULE - An electrode chip for detecting a biomolecule includes a substrate; and an electrode that includes an electrode substrate, at least one of a metallic salt or a metallic oxide provided on an outermost surface on an opposite side of the electrode substrate from a side provided with the substrate, and a biomolecular probe-immobilizing material which is provided on the outermost surface and to which a biomolecular probe is fixed. | 05-08-2014 |
20150023181 | WIRELESS COMMUNICATION DEVICE THAT IS CAPABLE OF IMPROVING DATA TRANSMISSION EFFICIENCY, ASSOCIATED NETWORK, AND METHOD - A wireless communication device includes a data transmission and reception section that wirelessly transmits a plurality of test packets; a signal sensing section that senses a power of a spatial radio wave signal on a frequency channel that is the same as the plurality of test packets and outputs sample data of the sensed spatial radio wave signal; a calculation processing section that converts the sample data into time series sample data; a collision detection section that calculates a packet collision rate based on the number of packet collisions and the number of the plurality of test packets if there is a packet collision due to interference of the plurality of test packets with another communication; and a control section that adjusts a parameter that the data transmission and reception section uses based on a calculation result of the collision detection section. | 01-22-2015 |
20150051347 | BLOCK COPOLYMER HAVING PHENYLBORONIC ACID GROUP INTRODUCED THEREIN, AND USE THEREOF - A block copolymer includes a polyamino acid chain segment and a hydrophilic polymer chain segment. The polyamino acid chain segment includes at least one amino acid residue having a side chain that contains a cationic group and at least one amino acid residue having a side chain that contains a substituted phenylboronic acid group. In the substituted phenylboronic acid group, at least one hydrogen of the phenyl ring is substituted so that the phenylboronic acid group has a pKa of less than 8. Such a block copolymer serves as a carrier that simultaneously imparts stability to a biotechnology-based drug in blood and provides suitable drug-releasing properties of the drug at an affected area. | 02-19-2015 |