Patent application number | Description | Published |
20090010307 | Receiver, Receiving Method, Program and Information Recording Medium - When a receiver ( | 01-08-2009 |
20090034643 | Communication System, Transmitter, Receiver, Transmitting Method, Receiving Method, and Program - A transmitter | 02-05-2009 |
20100020763 | COMMUNICATION TERMINAL AND COMMUNICATION NETWORK SYSTEM - To provide a technology with which a large number of wireless communication networks can be efficiently used while the size of a device operated by a user is reduced and power is saved by providing a communication terminal whose connection with a different wireless communication network can be dynamically reconfigured. A communication terminal | 01-28-2010 |
20100128698 | Communication Terminal Device, Communication System and Method of Selecting Base Station Thereof - To provide a method of selecting an optimal base station for each application when accumulating communication quality in response to an application type for a base station and a communication terminal switches base stations. A communication quality database | 05-27-2010 |
20100130224 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM AND METHOD OF WIRELESS COMMUNICATION - A method in which communication quality of a base station is accumulated according to type of an application and when a communication terminal device switches a base station, an optimal base station for each application is selected is provided. A wireless communication device of the present invention is provided with priority notifying means storing priority information of communication conducted by the local device and notifying it to the other wireless communication devices so that the priority can be notified to the outside. A priority information collecting means collects the priority information notified by the other devices, and a priority information comparing means compares the priority information of the local device with the collected priority information. Wireless communication control means is provided so that as the result of comparison, if the priority of the other devices is higher than the priority of the local device, the wireless communication means is controlled. | 05-27-2010 |
20100135214 | WIRELESS COMMUNICATION SYSTEM AND METHOD OF WIRELESS COMMUNICATION - A technique that can effectively utilize unused wireless link and realize high-quality wireless communication between a communication terminal and a base station and enables efficient distribution of radio resources over an entire wireless communication system is provided. A wireless communication system in which a base station and a communication terminal can conduct wireless communication by detecting a usable wireless link and changing a wireless link used for the connection is also provided. On the communication network side, in addition to a plurality of wireless communication networks and a base station, a server device is provided. Connection-method reconstruction management means for determining a connection method of the wireless communication on the basis of communication condition information including information on usable wireless link at current locations of the base station and the communication terminal and connection-method reconstruction control means for controlling the connection method of the wireless communication for the corresponding base station are provided. | 06-03-2010 |
20100195562 | MOBILE COMMUNICATION RELAY DEVICE - The present invention provides a user-carriable mobile communication relay device that relays communication between an internal network and an external network, in which even when the device is moved, the device dynamically selects and connects the external network depending on a surrounding radio wave environment or a communication content. The device is provided with an internal network communication adapter 13 compatible with the internal network connecting to a specific terminal device 4; external network communication adapters 11, 12 compatible with external networks with a mobile telephone network and with a wireless LAN at an installation site; a network selection processing portion 102 automatically selecting one or more networks to be connected, out of the external networks, according to stored profile information 141; an internal network connection processing portion 104 establishing or reconfiguring the connection to an internal network selected for a predetermined opportunity; an external network connection processing portion 105 establishing or reconfiguring the connection to an external network selected for a predetermined opportunity; and a communication relay processing portion 101 relay-processing communication between the internal network and the external network. | 08-05-2010 |
20100195608 | COMMUNICATION CONNECTION DEVICE - The present invention provides a technique capable of processing to automatically and optimally select types of external networks and a communication system, and at the same time, capable of switching network selection upon a user's arbitrary opportunity. A communication connection device | 08-05-2010 |
20100197396 | GAME APPARATUS, GAME CHARACTER DISPLAYING METHOD, AND RECORDING MEDIUM - An object of the present invention is to provide a game apparatus that can display an avatar matched to any kind of games that the avatar participates, without changing clothes or decorations worn by the avatar to new clothes or decorations. | 08-05-2010 |
20100246529 | WIRELESS COMMUNICATION TERMINAL AND WIRELESS COMMUNICATION SYSTEM - To reduce power consumption for scanning and maintain communication quality by reducing the time for scanning or connection when a wireless communication terminal switches between networks or base stations. A wireless communication terminal | 09-30-2010 |
20100254497 | COMMUNICATION DEVICE - Improving the accuracy of estimation of channel responses in receiving signals from a plurality of antennas is disclosed. A transmitting device of a base station includes a preamble A generating unit | 10-07-2010 |
20100294544 | Bending-Type Rigid Printed Wiring Board and Process for Producing the Same - This invention provides a bending-type rigid printed wiring board that can easily realize mounting of electric components (can realize a plated circuit having high productivity and assembling properties), can realize space saving, and can realize easy production. The bending-type rigid printed wiring board comprises a hard cure material ( | 11-25-2010 |
20110069638 | COGNITIVE COMMUNICATION NETWORK SYSTEM AND COMMUNICATING METHOD THEREOF - Object: To provide a mechanism and a function of a system that can determine a communication method and the like effectively utilizing frequency resources, considering priority of each communication, in a cognitive communication network system of a frequency shared type or the like assuming that a given frequency band is shared by a plurality of systems in use. | 03-24-2011 |
20110076512 | HIGH-STRENGTH STEEL SHEET AND METHOD OF PRODUCING MOLTEN STEEL FOR HIGH-STRENGTH STEEL SHEET - A high-strength steel sheet includes: 0.03 to 0.20% of C, 0.08 to 1.5% of Si, 0.5 to 3.0% of Mn, 0.05% or less of P, 0.0005% or more of S, 0.008 to 0.20% of acid-soluble Ti, 0.0005 to 0.01% of N, more than 0.01% of acid-soluble Al, and 0.001 to 0.04% of one or both of Ce and La in terms of mass %; and the balance including Fe and inevitable impurities. The ratio of (Ce+La)/acid-soluble Al is equal to or more than 0.1 and the ratio of (Ce+La)/S is in the range of 0.4 to 50 in a mass base, and the density of the number of inclusions, having a circle equivalent diameter of 2 μm or less, which are present in the steel sheet is equal to or more than 15/mm2. | 03-31-2011 |
20120038353 | DEVICE AND METHOD FOR MEASURING SURFACE TEMPERATURE OF CAST PIECE - A cast piece surface temperature measuring device includes: a magnetic field exciting device which applies an AC magnetic field substantially perpendicular to a surface of a cast piece; a magnetic field detecting device which detects the AC magnetic field to detect a magnetic flux varied in response to a surface temperature of the cast piece; and a surface temperature deriving device which derives the surface temperature of the cast piece based on an induced electromotive force obtained by detecting the AC magnetic field by the magnetic field detecting device and a predetermined relation data. The magnetic field exciting device includes a solenoidal excitation coil, the magnetic field detecting device includes a solenoidal detection coil interposed between the surface of the cast piece and the excitation coil, and the relation data indicates a correspondence relationship between the surface temperature of the cast piece and the induced electromotive force in a temperature range including a predetermined Curie point. | 02-16-2012 |
20120135770 | METHOD FOR ADJUSTING CHANNELS IN COGNITIVE WIRELESS COMMUNICATION, AND COGNITIVE WIRELESS COMMUNICATION SYSTEM CAPABLE OF IMPLEMENTING THE METHOD - There is disclosed a channel adjusting method capable of suppressing the occurrence of interference between a cognitive pilot channel (CPC) and an auxiliary control channel (ACS) in cognitive wireless communications. According to the channel adjusting method for use in cognitive wireless communications, initially, a connection using a cognitive pilot channel (CPC) is set up. Thereafter, it is determined whether or not a spectrum sensing channel (ACS) is to be utilized. If yes, it is then determined whether or not any interference occurs between the spectrum sensing channel (ACS) and the set-up cognitive pilot channel (CPC). This allows an adjustment to be performed such that no interference occurs between the cognitive pilot channel (CPC) and the spectrum sensing channel (ACS). | 05-31-2012 |
20120135772 | INFORMATION SHARING METHOD IN COGNITIVE RADIO COMMUNICATION, COGNITIVE RADIO COMMUNICATION DEVICE, AND COGNITIVE RADIO COMMUNICATION SYSTEM - In a cognitive radio communication device, before a communication link for the cognitive radio communication is established, a control channel which is a common channel which can be used by a plurality of cognitive radio communication devices is detected. By exchanging sensing information and sensing control information among the plurality of radio communication devices using the detected common channel, the information is shared. The plurality of cognitive radio communication devices share the sensing information and the sensing control information, and use the information for determining a channel used for spectrum monitoring and data communication, and the like. | 05-31-2012 |
20120135780 | POWER CONTROL METHOD IN COGNITIVE RADIO COMMUNICATION, COGNITIVE RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION DEVICE - Provided is a power control method, etc., in cognitive radio communication, by which power control can be effectively performed without a large indirect cost. In the power control method, a target value of SNR is estimated on the basis of the control information relating to interference. Subsequently, communication power used for the cognitive radio communication is adjusted on the basis of the estimated target value of SNR. Thereby, power control can be effectively performed without a large indirect cost. | 05-31-2012 |
20120140793 | SPECTRUM SENSOR FOR COGNITIVE WIRELESS COMMUNICATION AND METHOD FOR COGNITIVE WIRELESS COMMUNICATION - Provided is a spectrum sensor for cognitive wireless communication whereby it is possible to improve communication efficiency. In a cognitive wireless communication system, a spectrum sensor senses spectra in multiple frequency bands. A spectrum sensor is configured to be able to operate in one operation mode selected from among a spectrum sensing mode for sensing spectra, and a communication mode for communicating with a wireless communication device. Further, the spectrum sensor is provided with a controller for controlling the operation mode. The controller switches between the above-mentioned operation modes during the symbol period of an ultra-wideband physical layer (UWB PHY). | 06-07-2012 |
20120263112 | WIRELESS COMMUNICATION SYSTEM, AND INTERFERENCE PREVENTING METHOD - Where two or more wireless communication networks having mutually different physical layers coexist, and wireless communication is performed between a plurality of devices and a coordinator in each one of the wireless communication networks, the coordinator of one wireless communication network generates coexistence notification frame data to notify coordinators of the other wireless communication networks of existence of the coordinator. This first coordinator encodes the generated coexistence notification frame data, inserts source data so as to be set as FEC data, modulates the FEC data through a Gaussian frequency shifting keying system (GFSK) so as to be set as a GFSK modulated wave signal, and transmits the GFSK modulated wave signal to the coordinators of the other wireless communication networks. | 10-18-2012 |
20120269130 | WIRELESS COMMUNICATION SYSTEM, AND INTERFERENCE PREVENTING METHOD - To prevent communication interference between two or more wireless communication networks that have mutually different physical layers. | 10-25-2012 |
20130070867 | COMMUNICATION DEVICE - Improving the accuracy of estimation of channel responses in receiving signals from a plurality of antennas is disclosed. A transmitting device of a base station includes a preamble A generating unit | 03-21-2013 |