Patent application number | Description | Published |
20090067356 | WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION SYSTEM - A wireless communication device includes: a packet detection part detecting presence/absence of a reception of a packet; a judgment part judging whether or not temporal change of presence/absence of the reception of the packet detected in the packet detection part corresponds to a predetermined identifier; and a power source control unit controlling power supply from a power source based on a result of a judgment in the judgment part. | 03-12-2009 |
20090132836 | POWER-SAVING CONTROL APPARATUS AND METHOD - A power-saving control apparatus includes a memory storing first to Nth different authentication codes, determines, every time a signal including an authentication code is received, whether the authentication code in the received signal is a valid code which matches one of the authentication codes in the memory, outputs an operation signal to a main apparatus when the authentication code in the received signal is determined to be the valid code, and generates a new authentication code, when (a) the number of times the authentication code in each received signal matches a first authentication code of the authentication codes in the memory is equal to a predetermined value or (b) the authentication code in the received signal matches a second or subsequent authentication code of the authentication codes in the memory, to delete one of the authentication codes in the memory, and to store the new authentication code in the memory. | 05-21-2009 |
20090195353 | CONTROL DEVICE AND CONTROLLED DEVICE - A control device being a control device communicating with a controlled device to control the controlled device includes: a first memory to store first authentication information for authenticating the controlled device; a second memory to store second authentication information for making the controlled device authenticate itself; a determination unit to compare third authentication information sent from the controlled device for specifying the controlled device with the first authentication information; a calculator to perform calculation processing on the first authentication information or the third authentication information using the second authentication information to generate a calculated value; a transmitter to transmit, when the determination unit determines that the first authentication information and the third authentication information are the same, the calculated value to the controlled device; and a memory controller to update the first authentication information. | 08-06-2009 |
20090199292 | CONTROL DEVICE, CONTROLLED DEVICE, AND CONTROL METHOD - A control device communicating with a controlled device to control the controlled device includes a first memory to store first authentication information for activation of the controlled device, a second memory to store a key for encryption, a generator to generate third authentication information by encrypting second authentication information transmitted by the controlled device in response to the first authentication information using the key stored in the second memory, a transmitter to transmit the first authentication information or the third authentication information to the controlled device, and a memory controller to store the second authentication information or the third authentication information as first authentication information for next authentication in the first memory. | 08-06-2009 |
20100039159 | CONTROL DEVICE AND CONTROL METHOD - This control device includes: a rectifier to rectify a received signal; an amplifier having an amplifying element to amplify the signal rectified by the rectifier and an assisting element being connected to the amplifying element to assist the amplifying element; a determination unit to determine presence or absence of the signal amplified by the amplifier; and a controller to control the connection of the assisting element with the amplifying element at a predetermined timing. | 02-18-2010 |
20100125710 | DEVICE AND METHOD FOR REWRITING MAIN MEMORY DATA - A main memory data rewriting device includes a rewrite condition analysis unit configured to analyze a rewrite condition for target data in main memory data stored in a main memory before deactivation of an information processing device, and create a first processing content to acquire environment data substituting the target data from outside of the information processing device and a second processing content to rewrite the target data to the environment data, an environment data processing unit configured to acquire the environment data according to the first processing content when the information processing device is temporarily activated at an activation time set to rewrite the target data during a deactivating period of the information processing device, and a rewrite processing unit configured to rewrite a region of a nonvolatile storage medium in which the target data is stored with the environment data according to the second processing content. | 05-20-2010 |
20100142426 | WIRELESS TERMINAL, BASE STATION, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD - In a wireless terminal having a wireless transceiver and a wireless receiver which operates with lower power than the wireless transceiver, when the wireless receiver receives, from a base station, a notification message notifying that data addressed to the terminal is existent, the wireless transceiver is turned on to acquire the data. | 06-10-2010 |
20100183005 | RELAY DEVICE AND REMOTE STARTUP SYSTEM - A relay device includes a reception unit which receives a startup packet including a first ID for starting up controllable equipment. The relay device also includes a transmission unit which transmits a first electric signal indicating the first ID to all link-downed Ethernet ports. | 07-22-2010 |
20100250752 | COMMUNICATION APPARATUS, METHOD OF STARTING COMMUNICATION APPARATUS, AND COMPUTER READABLE STORAGE MEDIUM - A communication apparatus, comprising has a generator which generates format information of a start instruction message, a memory which stores the format information, a communication unit which transmits the format information and receives a start instruction message via a network, and a controller which detects whether or not the received start instruction message corresponds to the format information stored in the memory, and performs start processing and initialization processing based on a content of the start instruction message when the received start instruction message corresponds to the format information. | 09-30-2010 |
20120185560 | DATA COLLECTING DEVICE, COMPUTER READABLE MEDIUM, AND DATA COLLECTING SYSTEM - There is provided a data collecting device configured to collect data from a plurality of nodes. An inquiry transmitting unit transmits inquiry messages to request transmission of the data to the nodes, respectively. A response receiving unit receives response messages including the data from the nodes, respectively. A reception scheduler generates a reception schedule of the response messages from the nodes based on request information indicating data collection condition from the nodes. A transmission scheduler generates a transmission schedule of the inquiry messages based on the reception schedule and characteristics of communication with the nodes. The inquiry transmitting unit transmits the inquiry messages to the nodes, respectively, based on the transmission schedule. | 07-19-2012 |
20150066812 | ENERGY MANAGEMENT SYSTEM AND METHOD THEREFOR, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - There is provided a system including a reference consumption calculator and a load shift determining unit. The calculator calculates a reference consumption being a statistic for an energy consumption based on a history of the energy consumption of a demander. The determining unit determines whether or not load shift was performed based on and the reference consumption and a target energy consumption being the energy consumption in a period including a target time period in the history of the energy consumption, the load shift including at least one of a first operation and a second operation by the demander. The first operation is to charge energy in an energy accumulating device. The second operation is to shift an energy consumption operation to be made in a time period other than the target time period so as to be made in the target time period. | 03-05-2015 |