Patent application number | Description | Published |
20100038795 | METHOD OF FABRICATING SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE - A method of fabricating a semiconductor device according to an embodiment includes forming a first pattern having linear parts of a constant line width and a second pattern on a foundation layer, the second pattern including parts close to the linear parts of the first pattern and parts away from the linear parts of the first pattern and constituting closed loop shapes independently of the first pattern or in a state of being connected to the first pattern and carrying out a closed loop cut at the parts of the second pattern away from the linear parts of the first pattern. | 02-18-2010 |
20100241261 | PATTERN GENERATING METHOD, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND COMPUTER PROGRAM PRODUCT - Pattern formation simulations are performed based on design layout data subjected to OPC processing with a plurality of process parameters set in process conditions. A worst condition of the process conditions is calculated based on risk points extracted from simulation results. The design layout data or the OPC processing is changed such that when a pattern is formed under the worst condition based on the changed design layout data or the changed OPC processing a number of the risk points or a risk degree of the risk points of the pattern is smaller than the simulation result. | 09-23-2010 |
20110065030 | MASK PATTERN DETERMINING METHOD, MASK MANUFACTURING METHOD, AND DEVICE MANUFACTURING METHOD - According to one embodiment, a mask pattern determining method includes a mask-pattern dimension variation amount of a first photomask is derived. Moreover, a correspondence relationship between a target dimension value of an on-substrate test pattern formed by using a second photomask and a dimension allowable variation amount of a mask pattern formed on the second photomask is derived. Then, it is determined whether pattern formation is possible with a pattern dimension that needs to be formed when performing the pattern formation on a substrate by using the first photomask based on the mask-pattern dimension variation amount and the correspondence relationship. | 03-17-2011 |
20110069531 | NONVOLATILE SEMICONDUCTOR STORAGE DEVICE AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a method of manufacturing a nonvolatile semiconductor storage device includes a memory-cell forming step, a first wire forming step, and a second wire forming step. The memory-cell forming step is forming dummy memory cells arranged at a predetermined space apart from an end memory cell located at an end of a group of memory cells set in contact with the same first or second wire among the memory cells, the dummy memory cells having a laminated structure same as that of the memory cells and being set in contact with no second wire. | 03-24-2011 |
20110154273 | METHOD OF GENERATING MASK PATTERN, MASK PATTERN GENERATING PROGRAM, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - According to one embodiment, in process simulation, it is verified whether sidewall patterns formed on sidewalls of a core material pattern or a transfer pattern formed by transferring the core material pattern form a closed loop. When it is determined as a result of the verification that the sidewall patterns form a closed loop, the mask pattern is changed. When it is determined as a result of the verification that the sidewall patterns do not form a closed loop, the mask pattern is adopted. | 06-23-2011 |
20110307845 | PATTERN DIMENSION CALCULATION METHOD AND COMPUTER PROGRAM PRODUCT - A pattern dimension calculation method according to one embodiment calculates a taper shape of a mask member used as a mask when a circuit pattern is processed in an upper layer of the circuit pattern formed on a substrate. The method calculates an opening angle facing the mask member from a shape prediction position on the circuit pattern on the basis of the taper shape. The method calculates a dimension of the circuit pattern according to the opening angle formed at the shape prediction position. | 12-15-2011 |
20130063707 | PATTERN GENERATING METHOD, PATTERN FORMING METHOD, AND PATTERN GENERATING PROGRAM - One embodiment includes: a step of evaluating an amount of flare occurring through a mask at EUV exposure; a step of providing a dummy mask pattern on the mask based on the evaluated result of the amount of flare; and a step of executing a flare correction and an optical proximity correction on a layout pattern. The layout pattern is provided by the EUV exposure through the mask with the dummy mask pattern. | 03-14-2013 |
20130126959 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - According to one embodiment, there are provided a first shaped pattern in which a plurality of first holes are arranged and of which a width is periodically changed along an arrangement direction of the first holes, a second shaped pattern in which a plurality of second holes are arranged and of which a width is periodically changed along an arrangement direction of the second holes, and slits which are formed along the arrangement direction of the first holes and separate the first shaped pattern and the second shaped pattern. | 05-23-2013 |
Patent application number | Description | Published |
20090283775 | SEMICONDUCTOR DEVICE - Semiconductor elements deteriorate or are destroyed due to electrostatic discharge damage. The present invention provides a semiconductor device in which a protecting means is formed in each pixel. The protecting means is provided with one or a plurality of elements selected from the group consisting of resistor elements, capacitor elements, and rectifying elements. Sudden changes in the electric potential of a source electrode or a drain electrode of a transistor due to electric charge that builds up in a pixel electrode is relieved by disposing the protecting means between the pixel electrode of the light-emitting element and the source electrode or the drain electrode of the transistor. Deterioration or destruction of the semiconductor element due to electrostatic discharge damage is thus prevented. | 11-19-2009 |
20100066653 | DISPLAY DEVICE AND ELECTRONIC DEVICE - It is an object of the present invention to provide a display device in which images can be seen under a dark place to intense external light. In the display device, display is performed by changing the gray scale number depending on external light intensity, and display modes can be switched depending on contents displayed on the screen. An analog mode and a digital mode are switched depending on external light intensity. In an analog digital switching circuit, when a video signal is an analog value, a signal is outputted to a pixel array without any change and, when the video signal is a digital value, the signal is outputted to a circuit that performs a digital operation such as a latch circuit. Consequently, display gray scales of a pixel are changed appropriately. Accordingly, a clear image can be displayed. For example, it is possible to ensure visibility in a wide range of a dark place or under indoor florescent light to outdoor sun light. | 03-18-2010 |
20110012939 | Display Device and Driving Method Thereof - [Problem] In the case where variations of environmental temperature or variations with time occur depending on characteristics of a light-emitting element, variations are generated in luminance. In the invention, a display device for suppressing effects due to variations of a current value of a light-emitting element, which is caused by variations of environmental temperature and variations with time. | 01-20-2011 |
20110057925 | Light Emitting Device and Driving Method Thereof - According to a driving method of applying a reverse bias voltage, capacitance occurs due to a stacked structure of a conductor, an insulator and a conductor, or due to a structure of a TFT. This capacitance prevents normal operation. The invention provides a pixel configuration including at least a driving transistor for driving a light emitting element and a switching transistor for controlling the driving transistor, wherein the switching transistor is turned on in the case of applying a forward bias voltage after applying a reverse bias voltage. As a result, it is prevented that the potential changes due to unwanted capacitive coupling. | 03-10-2011 |
20110122121 | SEMICONDUCTOR DEVICE - The present invention provides a semiconductor device in which a power line is not affected by noise due to a voltage drop caused by instantaneous high-current consumption in the buffer portion and that has no possibility that a logic portion malfunctions. In a case where the same potential is supplied to a logic portion and a buffer portion, by a method in which separate FPC terminals are used for the logic portion and the buffer portion, or by a method in which the FPC terminal is shared but a power line is branched for the logic portion and the buffer portion at a point close to the FPC terminal, a problem that the logic portion is affected by noise generated by a voltage drop of the power line due to instantaneous high-current consumption in the buffer portion can be prevented. | 05-26-2011 |
20110181786 | DISPLAY DEVICE AND ELECTRONIC APPARATUS - To provide a display device whose display can be recognized even in dark places or under the strong outside light. The display device performs display by controlling the number of gray scales in accordance with the intensity of outside light, which means a display mode can be switched in accordance with the data to be displayed on the display screen. A video signal generation circuit is controlled in each display mode in such a manner that it directly outputs an input video signal with an analog value, outputs a signal with a binary digital value, or outputs a signal with a multivalued digital value. As a result, gray scales displayed in pixels are timely changed. Accordingly, clear images can be displayed while maintaining high visibility in various environments, in the wide range from, for example, dark places or indoors (e.g., under a fluorescent lighting) to outdoors (e.g., under the sunlight). | 07-28-2011 |
20110309368 | SEMICONDUCTOR DEVICE - Semiconductor elements deteriorate or are destroyed due to electrostatic discharge damage. The present invention provides a semiconductor device in which a protecting means is formed in each pixel. The protecting means is provided with one or a plurality of elements selected from the group consisting of resistor elements, capacitor elements, and rectifying elements. Sudden changes in the electric potential of a source electrode or a drain electrode of a transistor due to electric charge that builds up in a pixel electrode is relieved by disposing the protecting means between the pixel electrode of the light-emitting element and the source electrode or the drain electrode of the transistor. Deterioration or destruction of the semiconductor element due to electrostatic discharge damage is thus prevented. | 12-22-2011 |
20120032199 | Element Substrate and Light-Emitting Device - A potential of a gate of a driving transistor is fixed, and the driving transistor is operated in a saturation region, so that a current is supplied thereto anytime. A current control transistor operating in a linear region is disposed serially with the driving transistor, and a video signal for transmitting a signal of emission or non-emission of the pixel is input to a gate of the current control transistor via a switching transistor. | 02-09-2012 |
20120032606 | Light-Emitting Device - The amplitude of a potential of a signal line is decreased and a scan line driver circuit is prevented from being excessively loaded. A light-emitting device includes a light-emitting element; a first power supply line having a first potential; a second power supply line having a second potential; a first transistor for controlling a connection between the first power supply line and the light-emitting element; a second transistor, which is controlled in accordance with a video signal, whether outputting the second potential applied from the second power supply line or not; a switching element for selecting either the first potential applied from the first power supply line or the output of the second transistor; and a third transistor for selecting whether the first potential or the output of the second transistor which is selected by the switch is applied to a gate of the first transistor. | 02-09-2012 |
20120037932 | Display Device and Driving Method of the Same - A problem in that a light emitting element slightly emits light is solved by an off current of a thin film transistor connected in series to the light emitting element, thereby a display device which can perform a clear display by increasing contrast, and a driving method thereof are provided. When the thin film transistor connected in series to the light emitting element is turned off, a charge held in the capacitance of the light emitting element itself is discharged. Even when an off current is generated at the thin film transistor connected in series to the light emitting element, this off current charges this capacitance until the capacitance of the light emitting element itself holds a predetermined voltage again. Accordingly, the off current of the thin film transistor does not contribute to light emission. In this manner, a slight light emission of the light emitting element can be reduced. | 02-16-2012 |
20120056862 | DISPLAY DEVICE AND ELECTRONIC APPARATUS - To provide a display device whose display can be recognized even in dark places or under the strong outside light. The display device performs display by controlling the number of gray scales in accordance with the intensity of outside light, which means a display mode can be switched in accordance with the data to be displayed on the display screen. A video signal generation circuit is controlled in each display mode in such a manner that it directly outputs an input video signal with an analog value, outputs a signal with a binary digital value, or outputs a signal with a multivalued digital value. As a result, gray scales displayed in pixels are timely changed. Accordingly, clear images can be displayed while maintaining high visibility in various environments, in the wide range from, for example, dark places or indoors (e.g., under a fluorescent lighting) to outdoors (e.g., under the sunlight). | 03-08-2012 |
20130070001 | DRIVING METHOD OF LIGHT EMITTING DEVICE - If a potential of a gate electrode of a driving transistor varies after a gray scale signal is inputted into each pixel, a current value of a current supplied to a light emitting element varies so that accurate gray scale display cannot be obtained. In particular, in the case of performing black display, current may flow, which makes clear black display difficult. Accordingly, the invention provides a light emitting device capable of performing accurate gray scale display, and a driving method thereof. According to the invention, a signal for display is inputted plural times within a predetermined timing period, or a writing operation period is lengthened. Consequently, the gate voltage of the transistor is determined after the anode potential of the light emitting element is stabilized, and therefore accurate gray scale display can be performed. | 03-21-2013 |
20140103387 | Display Device and Driving Method of the Same - A problem in that a light emitting element slightly emits light is solved by an off current of a thin film transistor connected in series to the light emitting element, thereby a display device which can perform a clear display by increasing contrast, and a driving method thereof are provided. When the thin film transistor connected in series to the light emitting element is turned off, a charge held in the capacitance of the light emitting element itself is discharged. Even when an off current is generated at the thin film transistor connected in series to the light emitting element, this off current charges this capacitance until the capacitance of the light emitting element itself holds a predetermined voltage again. Accordingly, the off current of the thin film transistor does not contribute to light emission. In this manner, a slight light emission of the light emitting element can be reduced. | 04-17-2014 |
20140110732 | SEMICONDUCTOR DEVICE - Semiconductor elements deteriorate or are destroyed due to electrostatic discharge damage. The present invention provides a semiconductor device in which a protecting means is formed in each pixel. The protecting means is provided with one or a plurality of elements selected from the group consisting of resistor elements, capacitor elements, and rectifying elements. Sudden changes in the electric potential of a source electrode or a drain electrode of a transistor due to electric charge that builds up in a pixel electrode is relieved by disposing the protecting means between the pixel electrode of the light-emitting element and the source electrode or the drain electrode of the transistor. Deterioration or destruction of the semiconductor element due to electrostatic discharge damage is thus prevented. | 04-24-2014 |
20140171155 | Element Substrate and Light-Emitting Device - A potential of a gate of a driving transistor is fixed, and the driving transistor is operated in a saturation region, so that a current is supplied thereto anytime. A current control transistor operating in a linear region is disposed serially with the driving transistor, and a video signal for transmitting a signal of emission or non-emission of the pixel is input to a gate of the current control transistor via a switching transistor. | 06-19-2014 |
Patent application number | Description | Published |
20100202387 | Communication Control Method and Communication System - There is provided a communication control method comprising the steps of: providing an instruction for determining availability of usage of a second communication service using a part or whole of a spectrum assigned to a first communication service from a first communication device to a second communication device; providing an instruction for sensing a communication environment from the second communication device to a communication device located nearby; transmitting sensed data obtained by sensing a communication environment from a third communication device located near the second communication device to the second communication device; determining availability of usage of the second communication service based on the sensed data by the second communication device; transmitting a determination result on availability of usage of the second communication service from the second communication device to the first communication device; and permitting usage of the second communication service in accordance with the determination result received from the second communication device by the first communication device. | 08-12-2010 |
20100271991 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, COMPUTER PROGRAM, AND WIRELESS COMMUNICATION SYSTEM - A wireless communication apparatus includes a packet-generating section and a transmission section. The generating section is provided for generating a packet and characteristically performing symbol repetition on a preamble of the packet. The transmission section is provided for transmitting the packet subjected to the symbol repetition as a wireless signal. | 10-28-2010 |
20100273428 | Wireless Communication Apparatus, Wireless Communication Method, Computer Program, and Wireless Communication System - A wireless communication apparatus includes: a first wireless communication section performing wireless communication on the basis of a first communication mode; a second wireless communication section performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode; a beam learning signal generation section generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section; a response information acquisition section acquiring response information responding to the transmitted beam learning signal; and a preliminary information generation section generating preliminary information so as not to cause interference among a plurality of wireless communications using the second communication mode on the basis of the response information and transmitting the preliminary information from the first wireless communication section. | 10-28-2010 |
20100302948 | COMMUNICATION DEVICE, COMMUNICATION CONTROL METHOD AND PROGRAM - There is provided a communication device including: a data acquisition unit that acquires sensed data related to a signal receiving condition in a spectrum assigned to a first communication service; a determination unit that determines which of a first area inside a service area of the first communication service where a signal receiving condition is suitable, a second area inside or in a peripheral part of the service area where a signal receiving condition is not suitable and a third area outside the peripheral part of the service area the communication device is located based on the sensed data acquired by the data acquisition unit; and a secondary usage starting unit that starts usage of a second communication service using a part or whole of the spectrum assigned to the first communication service by a procedure different depending on a kind of the area where the communication device is located determined by the determination unit. | 12-02-2010 |
20110028179 | TRANSMISSION POWER DETERMINATION METHOD, COMMUNICATION DEVICE AND PROGRAM - There is provided a method for determining an acceptable transmission power for a second communication service making secondary usage of a spectrum assigned to a first communication service, comprising the step of determining the acceptable transmission power based on quality of a radio signal required in the first communication service, an interference level or a noise level in the first communication service, and a path loss on a communication path about one or more secondary usage node that transmits a radio signal of the second communication service. | 02-03-2011 |
20110034204 | COMMUNICATION DEVICE, TRANSMISSION POWER CONTROL METHOD, AND PROGRAM - There is provided a communication device including: a communication unit that receives a beacon for a second communication service making secondary usage of a spectrum assigned to a first communication service; and a control unit that controls a transmission power to be used for transmission of a radio signal of the second communication service from the communication unit based on location data included in the beacon and indicating a location of a transmission source node of the beacon and a location of an interfered node interfered by the second communication service. | 02-10-2011 |
20110039495 | COMMUNICATION CONTROL METHOD, COMMUNICATION DEVICE, AND PROGRAM - There is provided a method of controlling communication of a second communication service making secondary usage of a spectrum assigned to a first communication service, with use of a communication device, including the steps of: receiving a radio signal transmitted for the first communication service in a first period on a time axis; determining a parameter value to be used for controlling communication of the second communication service based on the radio signal received in the first period; sensing a radio signal transmitted for the second communication service in a second period subsequent to the first period; and transmitting a beacon for the second communication service based on the parameter value in a third period subsequent to the second period when a radio signal for the second communication service is not detected in the second period. | 02-17-2011 |
20110275322 | COMMUNICATION CONTROL METHOD, COMMUNICATION DEVICE, AND PROGRAM - To start secondary use of a spectrum without causing an adverse effect on a communication service for primary usage, provided is a communication control method including the steps of acquiring data related to a communication environment surrounding a first communication device at the first communication device, determining that a second communication service using a part or whole of a spectrum assigned to a first communication service is available when the acquired data related to the communication environment satisfies a first condition, and permitting usage of the second communication service when the data related to the communication environment satisfies a second condition at the first communication device or a second communication device. | 11-10-2011 |
20120020420 | COMMUNICATION DEVICE AND COMMUNICATION METHOD, COMPUTER PROGRAM, AND COMMUNICATION SYSTEM - Suitable beam pattern control is performed while performing access control based on physical carrier sense. | 01-26-2012 |
20120039257 | COMMUNICATION APPARTUS, COMMUNICATION METHOD, COMPUTER PROGRAM, AND COMMUNICATION SYSTEM - Even when the lengths of data items to be transmitted to users are not the same, the frames multiplexed at the same time finally have the same frame length and are transmitted. | 02-16-2012 |
20120057622 | COMMUNICATION APPARATUS, COMMUNICATION METHOD, COMPUTER PROGRAM, AND COMMUNICATION SYSTEM - Appropriate communication operation is performed by employing space division multiple access in which wireless resources on a space axis are shared by a plurality of users. | 03-08-2012 |
20120099530 | COMMUNICATION APPARATUS AND METHOD, COMPUTER PROGRAM, AND COMMUNICATION SYSTEM - Communication operations are optimally conducted by applying space-division multiple access in which wireless resources on a spatial axis are shared among a plurality of users. | 04-26-2012 |
20120170481 | RELAY STATION, RELAY METHOD, AND WIRELESS COMMUNICATION DEVICE - To dynamically change an amount of communication resources to be used for relay communication. A relay station for relaying a radio signal between a base station and a mobile station is provided. The relay station includes a wireless communication unit for transmitting or receiving a radio signal in blocks individually divided in at least one of a time domain, a frequency domain, a code domain, and a space domain, and a communication control unit for causing the wireless communication unit to transmit, in one block, data contained in two or more radio signals received in different blocks by the wireless communication unit. | 07-05-2012 |
20120176962 | RELAY STATION, RELAY METHOD, RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION APPARATUS - A relay node in a mobile communication network for relaying communications between a base station and a mobile terminal The relay node includes a first communication unit that communicates with the base station via a backhaul link using at least one of a first modulation method and a first multiplexing method, and a second communication unit that communicates with the mobile terminal via an access link using at least one of a second modulation method and a second multiplexing method. The relay node also includes a communication control unit that selects the at least one of the first modulation method and the first multiplexing method, or selects the at least one of the second modulation method and the second multiplexing method based on a characteristic of a link, a type of link or a type of data included in a communication signal. | 07-12-2012 |
20120224534 | COMMUNICATION APPARATUS, COMMUNICATION METHOD, COMPUTER PROGRAM AND COMMUNICATION SYSTEM - A communication apparatus to transmit a plurality of frames in a network, where each frame includes one or more symbols having a symbol length, includes a data processing unit. The data processing unit acquires an inter-frame space between two consecutive frames from the plurality of frames. The data processing unit further adjusts the inter-frame space between the two consecutive frames upon determination that the inter-frame space is not an integral multiple of the symbol length. The communication apparatus also includes a transmitter unit to transmit the adjusted consecutive frames. | 09-06-2012 |
20120315936 | COMMUNICATION CONTROL METHOD, COMMUNICATION SYSTEM, AND MANAGEMENT SERVER - A management server in a network including a first transmitting device that communicates with a first receiving device and a second transmitting device that communicates with a second receiving device. The management server includes a network interface that receives a parameter corresponding to a level of improvement of communication quality at the second receiving device, and a processor that calculates an allowable interference amount at the first receiving device based on the parameter. | 12-13-2012 |
20130084845 | COMMUNICATION DEVICE, AND COMMUNICATION METHOD AS WELL AS COMMUNICATION SYSTEM - A terminal intermittently operates while receiving paging information and other necessary information from a base station. In the terminal cycles of DRX with different lengths are combined in a hierarchy manner to determine an intermittent operation period. Upper DRX in the hierarchy has a longer cycle than lower DRX. A period using a cycle of the immediately lower DRX is determined based on information on the cycle of the upper DRX. An intermittent operation of a communication processing unit is controlled based on information on the cycle of DRX in a period using information on a cycle of the lowermost DRX. | 04-04-2013 |
20130102350 | TRANSMISSION POWER DETERMINATION METHOD, COMMUNICATION DEVICE AND PROGRAM - There is provided a method for determining an acceptable transmission power for a second communication service making secondary usage of a spectrum assigned to a first communication service, comprising the step of determining the acceptable transmission power based on quality of a radio signal required in the first communication service, an interference level or a noise level in the first communication service, and a path loss on a communication path about one or more secondary usage node that transmits a radio signal of the second communication service. | 04-25-2013 |
20130157581 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, COMPUTER PROGRAM, AND WIRELESS COMMUNICATION SYSTEM - A wireless communication apparatus includes: a first wireless communication section performing wireless communication on the basis of a first communication mode; a second wireless communication section performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode; a beam learning signal generation section generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section; a response information acquisition section acquiring response information responding to the transmitted beam learning signal; and a preliminary information generation section generating preliminary information so as not to cause interference among a plurality of wireless communications using the second communication mode on the basis of the response information and transmitting the preliminary information from the first wireless communication section. | 06-20-2013 |
20130163520 | COMMUNICATION DEVICE, COMMUNICATION CONTROL METHOD, AND COMMUNICATION SYSTEM - Provided is a communication device within a communication network including a plurality of communication nodes, including: a reception unit that receives a data packet transmitted from a terminal device or transmitted to the terminal device; a communication control unit that selects a forwarding destination node of the data packet from a plurality of forwarding destination node candidates when the terminal device is a machine-type communication (MTC) terminal; and a transmission unit that transmits the data packet to the forwarding destination node selected by the communication control unit. | 06-27-2013 |
20130163597 | COMMUNICATION DEVICE, COMMUNICATION CONTROL METHOD, AND COMMUNICATION SYSTEM - Provided is a communication device including a communication control unit that inserts, into a destination field of a data packet, intermediate node designation information designating an intermediate node different from a destination node of the data packet on a path to the destination node, and a transmission unit that transmits the data packet into which the intermediate node designation information is inserted. | 06-27-2013 |
20130217429 | COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD, COMMUNICATION DEVICE, COMMUNICATION METHOD, AND COMMUNICATION SYSTEM - Provided is a communication control device including a communication unit configured to make communication with one or more secondary communication nodes operating a secondary system using at least one of a frequency channel allocated to a primary system and a frequency channel adjacent to the frequency channel, a determination unit configured to determine an upper limit number of secondary systems or secondary communication nodes to be allocated with transmission power, and a power allocation unit configured to allocate transmission power to each secondary system or each secondary communication node in each secondary system based on the determined upper limit number and the acceptable interference amount of the primary system. | 08-22-2013 |
20130316756 | COMMUNICATION DEVICE, TRANSMISSION POWER CONTROL METHOD, AND PROGRAM - There is provided a communication device including: a communication unit that receives a beacon for a second communication service making secondary usage of a spectrum assigned to a first communication service; and a control unit that controls a transmission power to be used for transmission of a radio signal of the second communication service from the communication unit based on location data included in the beacon and indicating a location of a transmission source node of the beacon and a location of an interfered node interfered by the second communication service. | 11-28-2013 |
20140044053 | COMMUNICATION CONTROL APPARATUS, COMMUNICATION CONTROL METHOD, PROGRAM AND COMMUNICATION SYSTEM - There is provided a communication control apparatus including a communication controller that controls communication with other communication control apparatuses, the communication exchanging information about terminal grouping to distinguish operations to a specific wireless terminal and to other wireless terminals. | 02-13-2014 |
20140050180 | COMMUNICATION CONTROL APPARATUS, COMMUNICATION CONTROL METHOD, PROGRAM, COMMUNICATION SYSTEM, AND WIRELESS TERMINAL - There is provided a communication control apparatus including a communication controller that controls cooperative communication linked to other communication control apparatuses depending on whether the communication control apparatus or the other communication control apparatuses perform terminal grouping to distinguish an operation to a specific wireless terminal and to other wireless terminals. | 02-20-2014 |
20140057668 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, COMPUTER PROGRAM, AND WIRELESS COMMUNICATION SYSTEM - A wireless communication apparatus includes: a first wireless communication section performing wireless communication on the basis of a first communication mode; a second wireless communication section performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode; a beam learning signal generation section generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section; a response information acquisition section acquiring response information responding to the transmitted beam learning signal; and a preliminary information generation section generating preliminary information so as not to cause interference among a plurality of wireless communications using the second communication mode on the basis of the response information and transmitting the preliminary information from the first wireless communication section. | 02-27-2014 |
20140200044 | COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD, AND COMMUNICATION CONTROL SYSTEM - Provided is a communication control device including an information acquisition unit acquiring first information concerning a position a guard area for a first wireless communication system and second information concerning a position of a master node of a second wireless communication system which is secondarily operated using a frequency channel used by the first wireless communication system, a determination unit determining, using the first information and the second information acquired by the information acquisition unit, whether or not an interval between a reference point of the first wireless communication system and the master node meets a condition which depends on a width of the guard area and a communication distance assumed for the second wireless communication system, and a control unit causing the second wireless communication system to be operated with a given transmission power if the determination unit determines the interval meets the condition. | 07-17-2014 |
20140219235 | COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD, AND COMMUNICATION CONTROL SYSTEM - There is provided a communication control device including a power distribution unit configured to distribute, to one or more secondary systems, a transmission power accepted for a secondary usage of a frequency channel which is protected for a primary system, and a notification unit configured to notify each secondary system of a value of a second transmission power which is decided depending on a value of a first transmission power distributed by the power distribution unit. Upon updating the transmission power, only in a case where a value of the second transmission power which is previously notified and a value of the first transmission power which is newly distributed by the power distribution unit satisfy a predetermined condition with respect to a certain secondary system, the notification unit notifies the secondary system of a new value of the second transmission power. | 08-07-2014 |
20140233438 | ELECTRONIC DEVICE, METHOD AND COMPUTER-READABLE MEDIUM - An electronic device, a method, and a computer-readable medium. The electronic device includes a circuitry configured to receive a radio communication signal for another device, configured to determine, based on the radio communication signal, one or more features that can reflect the difference between an uplink transmission mode and a downlink transmission mode, and configured to judge whether the radio communication signal is for the uplink transmission or the downlink transmission according to the one or more features. | 08-21-2014 |
20140341150 | COMMUNICATION CONTROL DEVICE, TRANSMISSION POWER ALLOCATION METHOD AND PROGRAM - There is provided a doing apparatus including a communication control device including a power allocation unit configured to allocate transmission power for secondary use of a frequency channel protected for a primary system to a secondary system. The power allocation unit switches power allocation methods between a first group of secondary systems of which a distance from the primary system is less than a prescribed threshold and a second group of secondary systems of which a distance from the primary system exceeds the prescribed threshold. | 11-20-2014 |
20140376504 | COMMUNICATION APPARATUS, COMMUNICATION METHOD, COMPUTER PROGRAM, AND COMMUNICATION SYSTEM - Even when the lengths of data items to be transmitted to users are not the same, the frames multiplexed at the same time finally have the same frame length and are transmitted. | 12-25-2014 |
Patent application number | Description | Published |
20100026660 | TOUCH PANEL AND METHOD FOR OPERATING THE SAME, AND ELECTRONIC APPARATUS AND METHOD FOR OPERATING THE SAME - A touch panel includes n first line electrodes (n is an integer of 2 or greater) to which pulses are applied, m second line electrodes (m is an integer of 2 or greater) for use in detection, the second line electrodes being arranged to cross the first line electrodes, and a pulse generating circuit configured to apply pulses, in a selected order, to first line electrodes (n | 02-04-2010 |
20110148811 | SENSOR APPARATUS AND INFORMATION PROCESSING APPARATUS - A sensor apparatus includes a first capacitance element, a second capacitance element, a ground circuit, and a signal processing circuit. The first capacitance element has a first capacitance. The second capacitance element includes a first electrode and a second electrode that form a second capacitance larger than the first capacitance. The ground circuit includes a third electrode arranged adjacently to the first electrode, and converts the second capacitance into a third capacitance smaller than the second capacitance by connecting the third electrode to a ground potential. The signal processing circuit processes a first signal output from the first capacitance element based on a change of the first capacitance, and a second signal output from the second capacitance element based on a change of the third capacitance. | 06-23-2011 |
20110279406 | CAPACITANCE SENSOR AND INFORMATION INPUT APPARATUS - A capacitance sensor is provided and includes at least one electrode group positioned within a sensor area. The electrode group including a first electrode, a second electrode, and a third electrode. The capacitance sensor also includes a drive section configured to measure capacitances of the first, second and third electrodes, and configured to determine position information of at least one object based on the measured capacitances. At least one of the electrodes includes a portion that both increases and decreases in height along a width direction of the sensor area. | 11-17-2011 |
20120001867 | CAPACITANCE SENSOR AND INFORMATION INPUT APPARATUS - Provided is a capacitance sensor including: a first electrode including a first region gradually larger in height with respect to a width direction parallel to a first direction in parallel with a second direction orthogonal to the first direction, a second region gradually smaller in height with respect to the width direction, and a third region causing the first and second regions to be opposed; a second electrode opposed to the first region in the second direction, and gradually smaller in height with respect to the first direction in parallel with the second direction; a third electrode opposed to the second region in the second direction and gradually larger in height with respect to the first direction in parallel with the second direction; and a support body supporting electrode groups including the first to third electrodes while connected via the third region, and arranging those groups along the second direction. | 01-05-2012 |
20120113071 | INPUT DEVICE, COORDINATES DETECTION METHOD, AND PROGRAM - An input device includes an input operation surface which includes a display region, a display element which displays an operation screen, where an operation region is included in at least a portion thereof, in the display region, a sensor section which has a plurality of electrodes which are individually driven using scanning of electric signals and electrostatically detects an input position in the input operation surface, and a driving section which has a first driving mode where all out of the plurality of electrodes are driven and a second driving mode where a portion of the electrodes out of the plurality of electrodes are driven. | 05-10-2012 |
20120256872 | COORDINATE DETECTION APPARATUS AND DISPLAY APPARATUS - A coordinate detection apparatus includes: electrode arrays each including first/second/third electrodes extending in a first direction; and a processing unit. The first electrode includes first/second regions larger/smaller in dimension, with respect to the first direction, in parallel with a second direction orthogonal to the first direction. The second/third electrodes are smaller/larger in dimension, with respect to the first direction, in parallel with the second direction, and are opposed to the first/second regions in the second direction. The first/second/third electrodes are arranged in the second direction. Each electrode array outputs a capacitance value corresponding to a distance between it and a detection target. The processing unit calculates total sums (first/second/third values) of capacitance values of the respective first/second/third electrodes, and a sum of these total sums, and detects a position coordinate based on a different capacitance ratio depending on whether the second value is above or below the third value. | 10-11-2012 |
Patent application number | Description | Published |
20080294485 | System, method and program for supporting creating a business process - A system supports creating and managing a business process model which creates a business process by: acquiring, based on a selected business, from a business element list that includes a business process template having a basic region in which processing contents are constant for each business and variable regions in which processing defined by a business element vary, as well as business elements included in a business process model, a business process template and a business element corresponding to the selected business; retrieving, based on the selected business element, a business process component that constitutes a portion of the business process model; and allocating the retrieved business process component to a variable region included in the acquired business process template. | 11-27-2008 |
20090193388 | SOFTWARE DEVELOPMENT SUPPORT APPARATUS, PROGRAM AND METHOD - Before design information is published, a consistency state of reference design information referred to by the design information is revealed. By this, it is possible to reduce waste caused by redesign or the like of the design information. | 07-30-2009 |
20100168876 | INFORMATION CONTROL SYSTEM AND INFORMATION CONTROL METHOD - An information control system capable of precisely defining and executing a condition for stipulating a state of an apparatus to be controlled. A storage unit stores an object definition table storing data items of a structure and a state of an object constituting a controlled system, and an actor definition table storing a monitor condition of an object state, an object monitor item and a setting value, as an actor as a control element for monitoring and controlling the object. A processing unit receives an object state from the controlled system, and when the state changes, transmits changed state value to the actor. The actor then refers to the actor definition table to judge whether the monitor condition is satisfied, and if satisfied, changes the setting value of the monitor condition and transmits a control command for setting value change to the object corresponding to the monitor item. | 07-01-2010 |
20120266131 | AUTOMATIC PROGRAM GENERATION DEVICE, METHOD, AND COMPUTER PROGRAM - The present invention is provided to apply a screen mockup developed for prototyping, without any modification, to actual product development for which the architecture differs. An automatic program generation device has: a storage part | 10-18-2012 |
20130125091 | AUTOMATIC PROGRAM GENERATION DEVICE AND AUTOMATIC PROGRAM GENERATION METHOD - A device and method automatically generate a program for buffering differences based on characteristics of a component. A buffer program for buffering differences of the way to use a component during different software environments is automatically generated. The device includes a controller for executing automatic generation of the buffer program, a memory including control information and a processing program, an input device for inputting the processing content of the component, and an output device for outputting the automatically generated buffer program. The memory records a plurality of forms for buffering the component as the control information and the controller extracts characteristic information based on the processing content of the component and records the extracted characteristic information as control information in the memory, selects a specified form based on the characteristic information, and generates the buffer program based on the selected form and the characteristic information. | 05-16-2013 |
20130317879 | WORK PROBLEM ANALYSIS SUPPORT SYSTEM - There is provided a system which analyzes data representative of operation situation of a work system and finds tacit problem hidden in work performed at the a field by a system user. Particularly, the system is to support to find the problem even if the user is not a specialist such as ethnographer. The system includes event examples in which the problems in the work at the field found from user analysis such as observation or interview are classified and expressed as events in operation data when a computer is utilized, analysis menu, analysis function and visualization unit for finding the events. | 11-28-2013 |
Patent application number | Description | Published |
20090233425 | PLASMA PROCESSING APPARATUS AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - By an evacuation unit including first and second turbo molecular pumps connected in series, the ultimate pressure in a reaction chamber is reduced to ultra-high vacuum. By a knife-edge-type metal-seal flange, the amount of leakage in the reaction chamber is reduced. A microcrystalline semiconductor film and an amorphous semiconductor film are stacked in the same reaction chamber where the pressure is reduced to ultra-high vacuum. By forming the amorphous semiconductor film covering the surface of the microcrystalline semiconductor film, oxidation of the microcrystalline semiconductor film is prevented. | 09-17-2009 |
20100216285 | Method for Manufacturing Crystalline Semiconductor Film and Method for Manufacturing Thin Film Transistor - A crystalline semiconductor film is manufactured by a first step in which a crystalline semiconductor film is formed on and in contact with an insulating film and a second step in which the crystalline semiconductor film is grown in a condition where a generation frequency of nuclei is lower than in the first step. The second step is conducted in a condition where a flow ratio of a semiconductor material gas to a deposition gas is lower than in the first step. Thus, a crystalline semiconductor film whose crystal grains are large and uniform can be obtained and plasma damage to a base film of the crystalline semiconductor film can be reduced compared with a crystalline semiconductor film in a conventional method. | 08-26-2010 |
20110020989 | METHOD FOR FORMING MICROCRYSTALLINE SEMICONDUCTOR FILM AND METHOD FOR MANUFACTURING THIN FILM TRANSISTOR - A microcrystalline semiconductor film having a high crystallinity is formed. Further, a thin film transistor having preferable electric characteristics and high reliability and a display device including the thin film transistor are manufactured with high mass productivity. A step in which a deposition gas containing silicon or germanium is introduced at a first flow rate and a step in which the deposition gas containing silicon or germanium is introduced at a second flow rate are repeated while hydrogen is introduced at a fixed rate, so that the hydrogen and the deposition gas containing silicon or germanium are mixed, and a high-frequency power is supplied. Therefore, a microcrystalline semiconductor film is formed over a substrate. | 01-27-2011 |
20110053358 | METHOD FOR MANUFACTURING MICROCRYSTALLINE SEMICONDUCTOR FILM AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - An object of one embodiment of the present invention is to provide a technique for manufacturing a dense crystalline semiconductor film (e.g., a microcrystalline semiconductor film) without a cavity between crystal grains. A plasma region is formed between a first electrode and a second electrode by supplying high-frequency power of 60 MHz or less to the first electrode under a condition where a pressure of a reactive gas in a reaction chamber of a plasma CVD apparatus is set to 450 Pa to 13332 Pa, and a distance between the first electrode and the second electrode of the plasma CVD apparatus is set to 1 mm to 20 mm; crystalline deposition precursors are formed in a gas phase including the plasma region; a crystal nucleus of 5 nm to 15 nm is formed by depositing the deposition precursors; and a microcrystalline semiconductor film is formed by growing a crystal from the crystal nucleus. | 03-03-2011 |
20120021570 | METHOD FOR FORMING MICROCRYSTALLINE SEMICONDUCTOR FILM AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - A seed crystal including mixed phase grains having high crystallinity with a low grain density is formed under a first condition, and a microcrystalline semiconductor film is formed over the seed crystal under a second condition which allows the mixed phase grains in the seed crystal to grow to fill a space between the mixed phase grains. In the first condition, the flow rate of hydrogen is 50 times or greater and 1000 times or less that of a deposition gas containing silicon or germanium, and the pressure in a process chamber is greater than 1333 Pa and 13332 Pa or less. In the second condition, the flow rate of hydrogen is 100 times or greater and 2000 times or less that of a deposition gas containing silicon or germanium, and the pressure in the process chamber is 1333 Pa or greater and 13332 Pa or less. | 01-26-2012 |
20120187408 | MICROCRYSTALLINE SEMICONDUCTOR FILM, METHOD FOR MANUFACTURING THE SAME, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - An embodiment of the present invention is a microcrystalline semiconductor film having a thickness of more than or equal to 70 nm and less than or equal to 100 nm and including a crystal grain partly projecting from a surface of the microcrystalline semiconductor film. The crystal grain has an orientation plane and includes a crystallite having a size of 13 nm or more. Further, the film density of the microcrystalline semiconductor film is higher than or equal to 2.25 g/cm | 07-26-2012 |
20120208360 | METHOD FOR FORMING SEMICONDUCTOR FILM AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - A microcrystalline semiconductor film is formed over a substrate using a plasma CVD apparatus which includes a reaction chamber in such a manner that a deposition gas and hydrogen are supplied to the reaction chamber in which the substrate is set between a first electrode and a second electrode; and plasma is generated in the reaction chamber by supplying high-frequency power to the first electrode. Note that the plasma density in a region overlapping with an end portion of the substrate in a region where the plasma is generated is set to be higher than that in a region which is positioned more on the inside than the region overlapping with the end portion of the substrate, so that the microcrystalline semiconductor film is formed over a region which is positioned more on the inside than the end portion of the substrate. | 08-16-2012 |
20120304932 | METHOD FOR MANUFACTURING MICROCRYSTALLINE SEMICONDUCTOR FILM AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - An object of the present invention is to provide a technique for manufacturing a dense crystalline semiconductor film without a cavity between crystal grains. A plasma region is formed between a first electrode and a second electrode by supplying high-frequency power of 60 MHz or less to the first electrode under a condition where a pressure of a reactive gas in a reaction chamber of a plasma CVD apparatus is set to 450 Pa to 13332 Pa, and a distance between the first electrode and the second electrode of the plasma CVD apparatus is set to 1 mm to 20 mm; crystalline deposition precursors are formed in a gas phase including the plasma region; a crystal nucleus of 5 nm to 15 nm is formed by depositing the deposition precursors; and a microcrystalline semiconductor film is formed by growing a crystal from the crystal nucleus. | 12-06-2012 |
20130071739 | NEGATIVE ELECTRODE FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE - Provided is a negative electrode for a power storage device in which charge/discharge capacity is high and deterioration in battery characteristics due to charge/discharge is small. The negative electrode for a power storage device includes a negative electrode active material having a plurality of protrusions and a bar which serves as a connecting bridge over a first protrusion and a second protrusion among the plurality of protrusions. The bar is provided in a direction perpendicular to a direction in which a current collector is bent. An axis of the first protrusion and an axis of the second protrusion are oriented in the same direction. Further, a graphene covering a side surface of the protrusion or covering the side surface of the protrusion and a top surface of the bar may be provided. | 03-21-2013 |
20130071751 | POWER STORAGE DEVICE - A power storage device in which charge capacity and discharge capacity are high and deterioration in battery characteristics due to charge/discharge is small is provided. A power storage device in which charge capacity and discharge capacity are high and output characteristics are excellent is provided. A power storage device in which charge capacity and discharge capacity are high and cycle characteristics are excellent is provided. A power storage device includes a negative electrode. The negative electrode includes a current collector, an active material including a plurality of protrusions protruding from the current collector and an outer shell in contact with and attached to surfaces of the plurality of protrusions, and graphene in contact with and attached to the outer shell. Axes of the plurality of protrusions are oriented in the same direction. A common portion may be provided between the current collector and the plurality of protrusions. | 03-21-2013 |
20130071762 | POWER STORAGE DEVICE - A power storage device which has high charge/discharge capacity and less deterioration in battery characteristics due to charge/discharge and can perform charge/discharge at high speed is provided. A power storage device includes a negative electrode. The negative electrode includes a current collector and an active material layer provided over the current collector. The active material layer includes a plurality of protrusions protruding from the current collector and a graphene provided over the plurality of protrusions. Axes of the plurality of protrusions are oriented in the same direction. A common portion may be provided between the current collector and the plurality of protrusions. | 03-21-2013 |
20130084495 | POWER STORAGE DEVICE - Provided is a power storage device in which charge/discharge capacity is high, charge/discharge can be performed at high speed, and deterioration in battery characteristics due to charge/discharge is small. The power storage device includes a negative electrode including an active material including a plurality of prism-like protrusions. A cross section of each of the plurality of prism-like protrusions, which is perpendicular to the axis of each protrusion, is a polygonal shape or a polygonal shape including a curve, such as a cross shape, an H shape, an L shape, an I shape, a T shape, a U shape, or a Z shape. The active material including the plurality of prism-like protrusions may be covered with graphene. | 04-04-2013 |
20130084496 | POWER STORAGE DEVICE - Provided are an electrode for a power storage device having much better charge/discharge characteristics and a power storage device using the electrode. A plurality of cavities is provided in a surface of an active material layer over a current collector. A graphene covering the active material layer facilitates rapid charge/discharge and prevents breakdown of the current collector caused by charge/discharge. With improved charge/discharge characteristics, an electrode for a power storage device which does not easily deteriorate and a power storage device using the electrode can be provided. | 04-04-2013 |
20130149605 | NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY, AND MANUFACTURING METHODS THEREOF - A lithium secondary battery which has high charge-discharge capacity, can be charged and discharged at high speed, and has little deterioration in battery characteristics due to charge and discharge is provided. A negative electrode includes a current collector and a negative electrode active material layer. The current collector includes a plurality of protrusion portions extending in a substantially perpendicular direction and a base portion connected to the plurality of protrusion portions. The protrusion portions and the base portion are formed using the same material containing titanium. A top surface of the base portion and at least a side surface of the protrusion portion are covered with the negative electrode active material layer. The negative electrode active material layer may be covered with graphene. | 06-13-2013 |
20130164611 | POWER STORAGE DEVICE - Disclosed is a power storage device including a negative electrode and a positive electrode. The negative electrode includes a negative electrode current collector including a common portion and a plurality of protrusions protruding from the common portion, and a negative electrode active material layer which covers a side surface of the protrusion. The positive electrode faces the negative electrode with an electrolyte provided therebetween. In the plurality of protrusions, a distance between adjacent protrusions is a distance with which adjacent negative electrode active material layers are in contact with each other before the capacity of the negative electrode active material layer reaches the theoretical capacity of the negative electrode active material layer by insertion of carrier ions from the positive electrode. | 06-27-2013 |
20130236781 | NEGATIVE ELECTRODE FOR SECONDARY BATTERY AND SECONDARY BATTERY - A negative electrode for a secondary battery and a secondary battery using the negative electrode are provided. The negative electrode includes a current collector, an active material layer, and a high molecular material layer. The current collector includes a plurality of protrusion portions extending substantially perpendicularly and a base portion which includes the same material as the plurality of protrusion portions and is connected to the plurality of protrusion portions. The protrusion portions and the active material layer covering the protrusion portions form negative electrode protrusion portions. The base portion and the active material layer covering the base portion form a negative electrode base portion. Part of side surfaces of the negative electrode protrusion portions including basal portions thereof and a top surface of the negative electrode base portion are covered with the high molecular material layer. | 09-12-2013 |
20130249054 | POWER STORAGE ELEMENT, MANUFACTURING METHOD THEREOF, AND POWER STORAGE DEVICE - Disclosed is a power storage element including a positive electrode current collector layer and a negative electrode current collector layer which are arranged on the same plane. The power storage element further includes a positive electrode active material layer over the positive electrode current collector layer and a negative electrode active material layer over the negative electrode current collector layer. An electrolyte layer in contact with at least the positive electrode active material layer and the negative electrode active material layer is provided. The electrolyte layer may be a solid electrolyte layer. | 09-26-2013 |
20130252064 | POWER STORAGE ELEMENT, MANUFACTURING METHOD THEREOF, AND POWER STORAGE DEVICE - Disclosed is a power storage element including a positive electrode current collector layer and a negative electrode current collector layer which are arranged on the same plane and can be formed through a simple process. The power storage element further includes a positive electrode active material layer on the positive electrode current collector layer; a negative electrode active material layer on the negative electrode current collector layer; and a solid electrolyte layer in contact with at least the positive electrode active material layer and the negative electrode active material layer. The positive electrode active material layer and the negative electrode active material layer are formed by oxidation treatment. | 09-26-2013 |
20130323585 | NEGATIVE ELECTRODE FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE - A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound. | 12-05-2013 |
20140023920 | SECONDARY BATTERY - A secondary battery in which graphite that is an active material can occlude and release lithium efficiently is provided. Further, a highly reliable secondary battery in which the amount of lithium inserted and extracted into/from graphite that is an active material is prevented from varying is provided. The secondary battery includes a negative electrode including a current collector and graphite provided over the current collector, and a positive electrode. The graphite includes a plurality of graphene layers. Surfaces of the plurality of graphene layers are provided substantially along the direction of an electric field generated between the positive electrode and the negative electrode. | 01-23-2014 |
20140087251 | ELECTRODE MATERIAL FOR POWER STORAGE DEVICE, ELECTRODE FOR POWER STORAGE DEVICE, AND POWER STORAGE DEVICE - Irreversible capacity which causes a decrease in the initial capacity of a power storage device is reduced and the electrochemical decomposition of an electrolytic solution is suppressed. The decomposition reaction of an electrolytic solution as a side reaction of a power storage device is reduced or suppressed to improve the cycle performance of the power storage device. An electrode material for a power storage device includes active material particles and coating films covering part of surfaces of the active material particles. Carrier ions used for the power storage device can pass through the coating film. The product of the electric resistivity and the thickness of the coating film at 25° C. is greater than or equal to 20 Ωm·m. | 03-27-2014 |
20140099539 | NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM-ION SECONDARY BATTERY - To provide a lithium-ion secondary battery which has high charge and discharge capacity, is capable of being charged and discharged at high rate and has good cycle characteristics. A negative electrode includes a current collector and a negative electrode active material layer. The current collector includes a plurality of protrusion portions extending in the direction substantially perpendicular to the current collector and a base portion connected to the plurality of protrusion portions. The protrusion portions and the base portion are formed using the same material containing titanium. At least side surfaces of the protrusion portions are covered with the negative electrode active material layer. In the negative electrode active material layer, silicon layers and silicon oxide layers are alternately stacked between a plane where the protrusion portions are in contact with the negative electrode active material layer and a surface of the negative electrode active material layer. | 04-10-2014 |
20140099554 | MATERIAL FOR ELECTRODE OF POWER STORAGE DEVICE, POWER STORAGE DEVICE, AND ELECTRICAL APPLIANCE - To improve the reliability of a power storage device. A granular active material including carbon is used, and a net-like structure is formed on part of a surface of the granular active material. In the net-like structure, a carbon atom included in the granular active material is bonded to a silicon atom or a metal atom through an oxygen atom. Formation of the net-like structure suppresses reductive decomposition of an electrolyte solution, leading to a reduction in irreversible capacity. A power storage device using the above active material has high cycle performance and high reliability. | 04-10-2014 |
20140127566 | POWER STORAGE DEVICE ELECTRODE, METHOD FOR FORMING THE SAME, POWER STORAGE DEVICE, AND ELECTRICAL DEVICE - Irreversible capacity which causes a decrease in the charge and discharge capacity of a power storage device is reduced, and electrochemical decomposition of an electrolyte solution and the like on a surface of an electrode is inhibited. Further, the cycle characteristics of the power storage device is improved by reducing or inhibiting a decomposition reaction of the electrolyte solution and the like occurring as a side reaction in repeated charging and discharging of the power storage device. A power storage device electrode includes a current collector and an active material layer that is over the current collector and includes a binder and an active material. A coating film is provided on at least part of a surface of the active material. The coating film is spongy. | 05-08-2014 |
20140127567 | ELECTRODE FOR POWER STORAGE DEVICE, POWER STORAGE DEVICE, AND MANUFACTURING METHOD OF ELECTRODE FOR POWER STORAGE DEVICE - To improve the long-term cycle performance of a lithium-ion battery or a lithium-ion capacitor by minimizing the decomposition reaction of an electrolytic solution and the like as a side reaction of charge and discharge in the repeated charge and discharge cycles of the lithium-ion battery or the lithium-ion capacitor. A current collector and an active material layer over the current collector are included in an electrode for a power storage device. The active material layer includes a plurality of active material particles and silicon oxide. The surface of one of the active material particles has a region that is in contact with one of the other active material particles. The surface of the active material particle except the region is partly or entirely covered with the silicon oxide. | 05-08-2014 |
20140370379 | SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - To increase the capacity and energy density of a secondary battery by using a novel material as a material for a negative electrode in order to increase the amount of lithium ions transferred in charge and discharge. In the case where the negative electrode includes a current collector and a negative electrode active material layer, gallium is used as the negative electrode active material, and the negative electrode active material layer contains resin at 2 wt % or more, preferably 10 wt % or more, adhesion between the current collector and the negative electrode active material can be increased. This inhibits separation between the current collector and the negative electrode active material due repeated expansion and contraction, resulting in longer lifetime of the secondary battery. | 12-18-2014 |
20150017541 | POWER STORAGE DEVICE - A power storage device which has high charge/discharge capacity and less deterioration in battery characteristics due to charge/discharge and can perform charge/discharge at high speed is provided. A power storage device includes a negative electrode. The negative electrode includes a current collector and an active material layer provided over the current collector. The active material layer includes a plurality of protrusions protruding from the current collector and a graphene provided over the plurality of protrusions. Axes of the plurality of protrusions are oriented in the same direction. A common portion may be provided between the current collector and the plurality of protrusions. | 01-15-2015 |
20150086868 | SECONDARY BATTERY - An object of one embodiment of the present invention is to provide a secondary battery in which deterioration of charge-discharge cycle characteristics is suppressed, to suppress generation of defects caused by expansion and contraction of an active material in a negative electrode, or to prevent deterioration caused by deformation of a secondary battery. To prevent deterioration, a material that can be alloyed with lithium and fluidified easily is used for a negative electrode. To hold a negative electrode active material over a surface of a current collector, a covering layer that covers the negative electrode active material is provided. Furthermore, a portion where the current collector and the negative electrode active material are in contact with each other is alloyed. In other words, an alloy that is in contact with both the current collector and the negative electrode active material is provided in the negative electrode. | 03-26-2015 |
Patent application number | Description | Published |
20080291005 | TERMINATING DEVICE FOR INSTALLATION AT A TERMINATION OF A POWER LINE USABLE FOR POWER LINE COMMUNICATION - A terminating device enables power line communication to be performed while suppressing degradation of the communication quality without decreasing the communication efficiency. The terminating device includes power supply plugs, a terminating circuit, a changeover switch, and power jack terminals, which are housed in an adapter case. The terminating circuit has an impedance corresponding to the impedance between power lines in the used frequency band of power line communication and is connected or disconnected between the power supply plugs by the changeover switch. | 11-27-2008 |
20120092141 | POWER SUPPLY DEVICE - There is provided a power supply apparatus capable of supplying information as a power line communication signal superimposed on a voltage of a commercial frequency, although currents of the commercial frequency are not supplied to power receiving side external equipment, and capable of supplying power to a specific external apparatus together with the power line communication signal, by controlling supply of the currents of the commercial frequency to the external apparatus. This apparatus includes at least a power receiving section that receives the supply of the power from a power line; a power line communicating section that superimposes the power line communication signal on the voltage, which is supplied to the power receiving section, and transmits the power line communication signal to the equipment; and a power supply limiting section which is installed between the power receiving section and the equipment, allows the power line communication signal to pass and limits the supply of the power to the equipment. | 04-19-2012 |
20120181878 | DIRECT CURRENT POWER LINE COMMUNICATION SYSTEM AND DIRECT CURRENT POWER LINE COMMUNICATION APPARATUS - Disclosed is a direct current power line communication apparatus, by which communication between electronic apparatuses with a direct current voltage line there between can be stabilized. The direct current power line communication apparatus, i.e., a direct current power line communication apparatus that transmits signals using the direct current voltage line ( | 07-19-2012 |
20120193983 | POWER SOURCE DEVICE AND VEHICLE - Disclosed are a power source device and a vehicle having increased reliability as backup in the event of a power cut, even when the power of the vehicle is used during a power cut. A power source device ( | 08-02-2012 |
20120206092 | CHARGING APPARATUS AND VEHICLE - A charging apparatus that enables power line communication to be performed even via a charging apparatus. This charging apparatus is provided in a vehicle having an electrical storage apparatus that stores power supplied to a power supply inlet, a wheel driving section that rotates a wheel by means of power stored in the electrical storage apparatus, and an in-vehicle device that is connected to the storage apparatus via a power line; and has an AC/DC conversion section that converts power supplied from the power supply inlet from alternating-current to direct-current and outputs this to the electrical storage apparatus, and a capacitor that causes a power line communication signal input from the power supply inlet to bypass the AC/DC conversion section. | 08-16-2012 |
20130009599 | CHARGING CONTROL APPARATUS, CHARGING SYSTEM, AND CHARGING CONTROL METHOD - A charging control apparatus ( | 01-10-2013 |
20130234516 | ELECTRICITY GENERATION CONTROLLER, ELECTRICITY GENERATION CONTROL SYSTEM, AND ELECTRICITY GENERATION CONTROL METHOD - An electricity generation controller for controlling an electrical energy production of a photo voltaic panel is provided. The electricity generation controller includes a control section that controls an output of the photo voltaic panel within a first range, a signal processing section that processes a predetermined signal., and an output range change section that changes an output range of the photo voltaic panel controlled by the control section from the first range to a second range in accordance with the predetermined signal processed by the signal processing section, wherein the second range is broader than the first range. | 09-12-2013 |
20140161201 | POWER LINE COMMUNICATION DEVICE, SOLAR POWER GENERATION SYSTEM, POWER LINE COMMUNICATION METHOD, AND POWER LINE COMMUNICATION PROGRAM - Provided are a power line communication device and the like capable of keeping attenuation of electric power of a control signal to a minimum. The power line communication device includes a communication unit ( | 06-12-2014 |