Patent application number | Description | Published |
20120057620 | RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, AND PROGRAM FOR EXECUTING RADIO COMMUNICATION METHOD - A radio communication system of the present invention comprises a radio communication device which transmits or receives a first beacon signal and a second beacon signal. A beacon transmission radio communication device transmits the first beacon signal in a preset timing pattern P | 03-08-2012 |
20130039260 | RELAY DEVICE, AUTOMATED RADIO METER READING SYSTEM, AND RELAY METHOD - A relay device for relaying communication information communicated between an access point and an adapter, said relay device comprises a reception means for receiving the communication information transmitted to said relay device itself; a memory means having one or more memory areas, the memory means being configured to store ID of each communication device which is a next transmission destination, in each of the memory areas; a reading means for reading route information from the communication information, said route information including information specifying the memory area containing the ID of the communication device which is the next transmission destination and indicating a route constituted by communication devices provided in a range from at least said relay device itself to a final transmission destination; a transmission destination identifying means for identifying the ID of the communication device which is the next transmission destination, based on the memory area stored in the memory means and the route information read by the reading means; and a transmission means for transmitting the communication information to the communication device identified by the transmission destination identifying means. | 02-14-2013 |
20130083687 | COMMUNICATION DEVICE - A meter interface which is an exemplary communication device includes a radio communication unit, a level calculator unit, and an interface processing unit, and the processing unit is configured to obtain information relating to the number of lower terminals connected to each of the upper terminals, based on the signal from the upper terminal, and determine as an upper terminal to be connected to the meter interface, an upper terminal which is smallest in the number of lower terminals connected to the meter interface, from among upper terminals in which received signal levels calculated in the level calculator unit are not lower than a predetermined threshold. | 04-04-2013 |
20130109397 | RADIO DEVICE | 05-02-2013 |
20130114580 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD - A wireless communication device for communicating with at least a lower-level device, the communication device comprising a beacon signal generator for generating beacon signals used for synchronizing a clock of the lower-level device, and a beacon transmitter for transmitting the beacon signals generated by the beacon signal generator to the lower-level device at regular time intervals. The beacon signal generated by the beacon signal generator include a beacon identification code, the beacon identification code is shorter in code length than a communication identification code of the own device, and at least a part of the beacon identification code includes a code generated arbitrarily by the beacon signal generator. | 05-09-2013 |
20130170429 | RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION METHOD - In a radio communication device used in a radio communication system of the present invention, a radio relay terminal ( | 07-04-2013 |
20130182699 | WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD - There is provided a wireless communication apparatus for conducting communication between a high-order apparatus and a low-order apparatus, including a beacon reception unit and a beacon transmission unit. The beacon reception unit receives a first regular beacon signal ( | 07-18-2013 |
20130215821 | RADIO COMMUNICATION SYSTEM - In a radio communication system of the present invention, a second radio relay terminal ( | 08-22-2013 |
20140051349 | RADIO COMMUNICATION SYSTEM, RADIO TERMINAL, CONTROL METHOD OF RADIO TERMINAL AND CONTROL PROGRAM OF RADIO TERMINAL - In a radio communication system of the present invention, a radio master terminal and a radio relay terminal are configured to transmit beacon signals each containing relay stage number information which is information indicating the number of radio relay terminals via which communication with the radio master terminal is performed, and the radio terminal which newly participates in the radio communication system includes: a reception level measuring section for measuring reception levels of received beacon signals; a relay stage number analyzing section for obtaining relay stage number information from each of the received beacon signals; and an upper radio terminal deciding section for deciding as a connection target a radio terminal which is a transmission source of the beacon signal in which the measured reception level is determined as equal to or higher than a specified value, and the relay stage number is smallest based on the obtained relay stage number information. | 02-20-2014 |