Patent application number | Description | Published |
20080247936 | Method For Producing High Purity Silicon - An object of the present invention is to provide a method for producing a great deal of inexpensive high purity silicon useful in a solar battery. Disclosed is a method for producing the high purity silicon by migrating impurities in molten silicon to slag including the step of feeding an oxidizing agent to the molten silicon together with slag, wherein the oxidizing agent is a material comprising as a primary component at least one of the following materials: alkali metal carbonate, hydrate of alkali metal carbonate, alkali metal hydroxide, alkaline-earth metal carbonate, hydrate of alkaline-earth metal carbonate or alkaline-earth metal hydroxide. | 10-09-2008 |
20080274031 | Method for Producing High Purity Silicon - The invention relates to a method for producing a great deal of inexpensive high purity silicon useful in a solar battery. Disclosed is a method for producing high purity silicon by removing boron from silicon by oxidization including commencing an oxidization reaction between an oxidizing agent and molten silicon, and cooling at least part of the oxidizing agent during the reaction. | 11-06-2008 |
20080311020 | Method for Producing High Purity Silicon - An object of the invention is to provide a method for producing a large amount of inexpensive and high purity silicon useful in a solar battery. The method includes steps of preparing molten silicon, preparing a slag, bringing the molten silicon and the slag into contact with each other, and exposing at least the slag to vacuum pressure. | 12-18-2008 |
Patent application number | Description | Published |
20090089076 | Image forming apparatus, method of registering information of replacement component, and computer program product - An image forming apparatus includes a plurality of replacement components to be replaced according to their lifetimes. An information setting unit sets a replacement type of each of the replacement components, which indicates whether each of the replacement components is to be replaced at failure or replaced periodically, and a replacer who is in charge of replacing each of the replacement components. An information registering unit registers therein the replacement type and the replacer set by the information setting unit for each of the replacement components. | 04-02-2009 |
20090234762 | REMOTE MANAGEMENT SYSTEM - A remote management system includes imaging apparatuses and a central managing apparatus configured to manage the imaging apparatuses. The imaging apparatuses and the central managing apparatus are connected to mutually communicate with each other. The respective imaging apparatuses notify the central managing apparatus of one or more counter values of one or more users, one of the counter values corresponds to a number of images processed by corresponding one of the users by using one of the imaging apparatuses. The central managing apparatus determines a fee to be charged to one of the users according to a total counter value of the one of the users. The total counter value is a sum of the counter values of the one of the users notified by the imaging apparatuses. | 09-17-2009 |
20110010718 | ELECTRONIC DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT HAVING COMPUTER-READABLE INFORMATION PROCESSING PROGRAM - An electronic device includes a status management unit detecting a change in a status of the electronic device and recognizing the status; an added program control unit applying an added program to a program of the electronic device in response to a validation request for the added program, the added program being capable of dynamically interrupting the program of the electronic device with a process; and an application determination information storage unit storing application determination information indicating whether the added program can be applied to the program of the electronic device depending on the status of the electronic device recognized by the status management unit. The added program control unit determines whether the added program can be applied based on (1) the status of the electronic device recognized by the status management unit upon reception of the validation request, and (2) the application determination information. | 01-13-2011 |
20110010719 | ELECTRONIC DEVICE, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM - An electronic device includes a control information storing unit; a setting unit configured to request a user to specify, for each first program in the electronic device, a reception setting indicating whether to allow reception of a second program to be applied to the first program and to store the reception setting as control information for the first program in the control information storing unit, the second program being configured to insert a process in a process of the first program; a reception determining unit configured to determine whether to allow reception of the second program based on the control information for the first program; and a receiving unit configured to receive or refuse to receive the second program according to the determination result of the reception determining unit. | 01-13-2011 |
Patent application number | Description | Published |
20140369235 | AD HOC NETWORK SYSTEM AND ROUTE SELECTION METHOD - An ad hoc network system includes a plurality of nodes that communicate with a specific node. Each of the nodes includes a calculator and a selector. The calculator calculates a cumulative value of the number of communication nodes connected through the node by adding the numbers of communication nodes from an upstream side, which is a side closer to the specific node than the node, to the node. The selector selects a node serving as a connection destination out of the nodes located on the upstream side on the basis of the cumulative value of the number of communication nodes calculated by the calculator. | 12-18-2014 |
20140369236 | COMMUNICATION SYSTEM AND COMMUNICATION METHOD - A communication system includes: a specific node; and a plurality of nodes that are installed at fixed positions and perform ad hoc wireless communication with the specific node. The nodes each include a link quality evaluating unit, an upstream route constructing unit, a communicating unit, and a downstream route constructing unit. The link quality evaluating unit performs route evaluation using a hello frame based only on a track record of reception of the hello frame in order to perform upstream communication toward the specific node to form a network. The upstream route constructing unit constructs an upstream route based on the route evaluation. The communicating unit performs upstream communication toward the specific node on a regular basis with a predetermined frequency. The downstream route constructing unit constructs a downstream route from the specific node based on a route in the upstream communication toward the specific node. | 12-18-2014 |
20140369342 | NODE AND METHOD FOR COMMUNICATION CONTROL - A node includes a time difference measurement unit and a time setting unit. The time difference measurement unit measures a time difference between a first time based on latest received time information and a second time based on second-latest received time information. The time setting unit calculates an adjustment time difference when the time difference exceeds an allowable range of error that is smaller than an allowable range of maintainable communication, sets a time obtained by adding the adjustment time difference and the second time to the time of the node when the adjustment time difference is within the allowable range of maintainable communication, and sets a time obtained by adding a time difference corresponding to the allowable range of maintainable communication and the second time to the time of the node when the adjustment time difference exceeds the allowable range of maintainable communication. | 12-18-2014 |
20140369359 | COMMUNICATION DEVICE AND COMMUNICATION CONTROL METHOD - A communication device is included in an ad hoc network in a reactive routing scheme. The communication device includes a receiving unit, a selecting unit, and a transfer control unit. The receiving unit receives a route request frame including overall quality information on routes through which the route request frame has passed. The selecting unit selects a route request frame to be transferred to another communication device based on the quality information, from the route request frames received by the receiving unit through a plurality of routes. The transfer control unit transfers the route request frame selected by the selecting unit to the another communication device, and discards the route request frame when a quality value indicated by the quality information of the route request frame is smaller than a predetermined reference value. | 12-18-2014 |
20140372626 | TERMINAL, ROUTE GENERATING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - A terminal used in a network that constructs a communication route with ad hoc communications is connected to a server via a gateway. The terminal generates downstream route information from the server to a specific terminal based on information relating to occurrence of downstream communication from the server to the specific terminal, the information being included in a header of upstream communication from the specific terminal to the server, and preferentially retains the downstream route information. | 12-18-2014 |
20140376359 | DATA COMMUNICATION APPARATUS, DATA COMMUNICATION SYSTEM, AND DATA COMMUNICATION METHOD - A data communication apparatus forms a mesh network together with at least one gateway includes a frame generating unit and a frame transferring unit. The frame generating unit generates a meter data frame to transmit to a gateway. The meter data frame is a frame including meter data. The frame transferring unit transfers the meter data frame received from another data communication apparatus. The meter data frame is addressed to the gateway. The frame generating unit transmits the meter data frame to which number of alternate routing that indicates number of allowable transmission attempts from a data communication apparatus adjacent to a destination gateway of the meter data frame to the gateway is added. The frame transferring unit changes the number of alternate routing added thereto to a value smaller by 1 than a value that has been set and transits the meter data frame to another data communication apparatus. | 12-25-2014 |
20150131480 | APPARATUS AND METHOD FOR DETERMINING AN OPTIMUM GATEWAY NODE IN A COMMUNICATION NETWORK - A network includes node devices each storing a table that manages paths to plural gateway devices for connecting to another network. A node device generates a hello frame for specifying a main gateway device of the node device at a predetermined timing, and transmits the hello frame to adjacent node devices. The node device, upon receiving a hello frame from an adjacent node device operating as a first hop destination of a data frame destined for the main gateway device, determines whether quality of a path to the main gateway device is lowest among paths to the plural gateway devices, based on path quality information included in the hello frame. When the quality of a path to the main gateway device is lowest, the node device changes the main gateway device to a gateway device that is registered in the table and specified by information included in the hello frame. | 05-14-2015 |
20150134786 | SYSTEM, METHOD, AND MEDIUM - A system includes first and second apparatuses configured to communicate with a server apparatus; and a third apparatus configured to transmit data to the first apparatus and record number of transfer of the data in the system, the data including information on a destination of the data and the number of transfer, wherein the first apparatus is configured to set the destination to the second apparatus and update the number of transfer, when receiving the data and not being allowed to communicate with the server apparatus, and transmit an updated data including information on the set destination and the updated number of transfer, to the third apparatus, and the third apparatus is configured to transmit the updated data to the second apparatus based on the set destination when the updated number of transfer is equal to or smaller than the recorded number of transfer when receiving the updated data. | 05-14-2015 |
20150139030 | NODE APPARATUS, RECORD MEDIUM FOR STORING CONTROL PROGRAM, WIRELESS COMMUNICATION SYSTEM, AND METHOD FOR DATA COMMUNICATION - First node stores completion information on second node that is adjacent to the first node, the completion information indicating whether or not a route between a target destination and the second node has been constructed using an address with a specified size; acquire a first address with the specified size that specifies the first node, and transmits to adjacent nodes the completion information on the first node indicating that the route between the target destination and the first node has been constructed using an address with a specified size, when the completion information on the second node has indicated that the route between the target destination and the second node has been constructed using the address with the specified size and when the first address has been acquired; and transmits a data frame by using the first address, when the completion information on the first node is transmitted. | 05-21-2015 |
20150139237 | NODE DEVICE AND DATA RELAYING METHOD - A node device includes: a communication unit to transmit a data frame containing frequency information and receive the data frame; a storage unit to store a table in which frame identification information and the frequency information are associated; and a control unit to: determine whether a destination of the received data frame is its own node device; determine whether the frame identification information of the received data frame is registered in the table; determine whether the number of transmission times is less than or equal to the number of transmission times corresponding to the frame identification information registered in the table; update the frequency information corresponding to the frame identification information registered in the table with the frequency information of the received data frame; and increase the number of transmission times, wherein the communication unit transmits the data frame for which the number of transmission times is increased. | 05-21-2015 |
20150143104 | APPARATUS, SYSTEM, METHOD, AND MEDIUM - An apparatus includes a memory; and a processor coupled to the memory and configured to generate a first common key whose key value varies based on a first elapsed time when a notification of the first elapsed time after a start-up of another apparatus to which a data frame to be encrypted is to be transmitted has been made, generate a second common key whose key value varies based on a second elapsed time after a start-up of the apparatus when a notification of the first elapsed time has not been made, and encrypt the data frame by any one of the first common key and the second common key as a common key and transmit the encrypted data frame to the another apparatus. | 05-21-2015 |
20150271053 | ROUTE SELECTING METHOD AND NODE APPARATUS - A node apparatus calculates the arrival rate in a link, discretizes the calculated arrival rate according to thresholds that are set so that the intervals between thresholds in the range in which a large number of the arrival rates in the links with a high frequency of usage exist become narrower, and calculates the link cost according to the value after the discretization. The node apparatus then obtains, from adjacent node apparatuses, the route cost for each route to each final destination that may be reached, and integrates the obtained route cost by the calculated link cost to calculate the route cost to each final destination that can be reached from the local node apparatus via the adjacent node apparatus. The node apparatus then selects the adjacent node apparatus to be the transmission destination according to the route cost of the route to the final destination of a data frame. | 09-24-2015 |
20150271054 | ROUTE SELECTION METHOD, NODE DEVICE AND RELAY SYSTEM - Node device calculates reception rate of frames of particular frame type transmitted from adjacent node device, calculates arrival rate of unicast frames on the basis of calculated reception rate and frame length, and calculates inverse number of calculated arrival rate as link cost. Node device obtains from adjacent node device route cost for each route from adjacent node device to each node device that is reachable final destination, calculates route cost of route from node device itself to each node device that is final destination reachable via adjacent node device by integrating calculated link cost and obtained route cost. Node device selects adjacent node device that is transmission destination of data frame on the basis of route cost of route from node device itself to node device that is final destination of data frame when data frame is transmitted. | 09-24-2015 |