Patent application number | Description | Published |
20080219173 | NETWORK TEST APPARATUS, NETWORK TEST METHOD AND NETWORK TEST PROGRAM - According to an aspect of an embodiment, an apparatus is transmitting/receiving an OAM frame containing kinds of tests indicating one or more tests for Ethernet-OAM to/from a relay apparatus, storing configuration information to generate a network configuration needed for each of the plurality of tests in a pseudo manner, distinguishing the kind of test contained in the relevant OAM frame and obtaining network information of a network to which the relay apparatus that transmitted the OAM frame belongs and obtaining configuration information corresponding to the obtained network information obtained from the stored configuration information. | 09-11-2008 |
20090075605 | COMMUNICATION APPARATUS AND NETWORK INFORMATION COLLECTING PROGRAM - A network has communication apparatuses communicatively interconnected in compliance with a maintenance protocol. An LBM frame transmission unit transmits an LBM frame to the network. An MEP information acquisition unit identifies a communication apparatus having transmitted an LBR frame as an MEP when the LBR frame is received, and acquires MEP information from the LBR frame. An LTM frame transmission unit transmits an LTM frame to the MEP identified by the MEP information acquisition unit. An MIP information acquisition unit identifies a communication apparatus as an MIP from an LTR frame when the LTR frame is received as a response to the LTM frame, and acquires MIP information indicating information about the MIP. A topology information generation unit generates topology information representing a configuration of the network from the MEP information acquired by the MEP information acquisition unit and the MIP information acquired by the MIP information acquisition unit. | 03-19-2009 |
20090143020 | LOAD TESTING SYSTEM, LOAD TESTING APPARATUS, LOAD TESTING METHOD, COMPUTER PRODUCT, AND COMMUNICATION DEVICE - In a load testing system, a transmission device measures a bandwidth of user data transmitted from a user terminal in real time, calculates a calculation bandwidth by subtracting the bandwidth of the user data from an evaluation bandwidth preset to evaluate the performance of a network, and transmits test data corresponding to the calculation bandwidth with the user data corresponding to the bandwidth of the user data. A reception device receives the user data and the test data transmitted with the user data, and evaluates the performance of the network based on the user data and test data. | 06-04-2009 |
20130061229 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM - An information processing apparatus makes a plurality of threads concurrently execute tasks stored in a task queue associated with the thread a prescribed number of times of execution. The information processing apparatus includes a processor that executes the plurality of threads that executes a procedure. The procedure includes generating a task from among a plurality of tasks into which a serial program processing corresponding to a processing request is divided, selecting the task queue associated with one of the plurality of threads, enqueuing the generated task to the selected task queue, dequeuing the enqueued task to the task queue associated with the thread, and executing the dequeued task. | 03-07-2013 |
20130315071 | APPARATUS AND METHOD FOR CONTROLLING A TRANSMISSION INTERVAL OF MAINTENANCE PACKETS IN A COMMUNICATION NETWORK - An apparatus controls a transmission interval of maintenance packets in a communication network. The apparatus calculates, within a first bandwidth available for the transmission and reception of packets, a second bandwidth that is free in the apparatus and usable for transmitting and receiving the maintenance packets for maintenance of the communication network. The apparatus determines a transmission interval of maintenance packets in accordance with the calculated second bandwidth and transmits the maintenance packets to another apparatus in the communication network at the determined transmission interval. | 11-28-2013 |
Patent application number | Description | Published |
20090289738 | Filter Characteristics Regulating Method, Filter Characteristics Regulator, Filter, and Communication Apparatus - When an attenuation pole produces, highly-efficient-izing and a miniaturization of a filter are enabled by changing the electric length between a branch point and each filter. The 1st band pass filter | 11-26-2009 |
20090295671 | Method of Producing Communication Circuit, Communication Device, an Impedance- Matching Circuit, and an Impedance-Matching Circuit, and an Impedance-Matching Circuit Design Method - Communication circuit | 12-03-2009 |
20120044117 | PLANAR ANTENNA APPARATUS - A ground conductor is formed by a conductor pattern placed to a surface of a dielectric substrate, and includes a first and a second opening. A transmission line is formed over the dielectric substrate by the conductor pattern. The transmission line supplies a signal to a first and a second peripheral conductor respectively surrounding the first and the second opening. The first and second opening are arranged axis-symmetrically with respect to the transmission line. Opening areas of the first and the second opening are determined so that, due to loop currents supplied by the transmission line flowing through the first and the second peripheral conductor, a region including the first opening and the first peripheral conductor operates as a magnetic field radiation first loop radiating element, and a region including the second opening and the second peripheral conductor operates as a magnetic field radiation second loop radiating element. | 02-23-2012 |
Patent application number | Description | Published |
20140153470 | COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMMUNICATION PROGRAM FOR REDUCING CURRENT CONSUMPTION DURING A PERIOD OF A MASTER APPARATUS DETECTION PROCESS - To provide a communication apparatus or the like capable of reducing current consumption during a period of a master apparatus detection process. The communication apparatus is a communication apparatus operating as a slave apparatus. The communication apparatus includes a radio unit | 06-05-2014 |
20140206409 | RADIO COMMUNICATION APPARATUS AND TRANSMISSION POWER CONTROL METHOD - A radio communication apparatus and transmission power control method are disclosed, which can maintain communication with handsets while avoiding an increase in radio interference to another radio communication system as much as possible when radio communication is performed with one or more handsets. The handset transmits a communication start request signal to a base unit. Upon verifying the reception of the communication start request, the base unit measures the RSSI level of the communication start request signal transmitted from the handset, determines a transmission power value based on a power control table that has been updated with the measured RSSI level, and controls the transmission power of a control signal transmitted to the handset. | 07-24-2014 |
20150063604 | WIRELESS MICROPHONE SYSTEM AND TRANSMISSION POWER CONTROL METHOD - A wireless communication apparatus and transmission power control method are disclosed, which can sustain communication with all microphone handsets while avoiding an increase in radio interference to another radio communication system as much as possible when radio communication is performed with a plurality of microphone handsets. In the wireless communication apparatus, a level measurement section measures an RSSI level of a call signal each time the base unit receives a call signal from each microphone handset; and a transmission power control section controls an amplification section so that a transmission power value is determined at a predetermined timing using a minimum value of the RSSI levels of the respective microphone handsets, and that a control signal is transmitted to the microphone handsets with the determined transmission power value. | 03-05-2015 |
Patent application number | Description | Published |
20080226304 | OPTICAL TRANSMISSION APPARATUS - An optical transmission apparatus includes redundant line cards each installed with hardware and a CPU. The hardware obtains failure information on redundant lines including a working line and a protection line, and the CPU determines switching control of the redundant lines based on the obtained failure information. Further, the hardware switches the redundant lines based on switching control determined by the CPU, so as to transmit an SDH/SONET optical signal. In the apparatus, from or to hardware installed in each of the redundant line cards, the failure information obtained by the hardware is communicated to hardware installed in a neighboring line card. | 09-18-2008 |
20100074629 | OPTICAL COMMUNICATION APPARATUS, CONTROL APPARATUS, AND METHOD FOR CONTROLLING OPTICAL OUTPUT - An optical communication apparatus includes an optical signal transmitter for outputting an optical signal, an optical switch device for switching a route of the optical signal, a drive controller for supplying a drive current for controlling a route switching to the optical switch device, a cooling device for cooling the optical switch device on the basis of a control signal, a temperature controller for transmitting the control signal to the cooling device in order to keep a measured temperature at a specific temperature, where the measured temperature is related to a temperature of the optical switch device. | 03-25-2010 |
20100205398 | Transmission device and swichover processing method - In an optical transmission device, firmware that operates within a CPU of a first LIU and firmware that operates within a CPU of a second LIU periodically measure a load status of a CPU via an OS, respectively. Switchover control of a master CPU is performed according to a load status of a CPU measured by the firmware of each LIU. For example, when a load status of the CPU of the second LIU is lower than that of the CPU of the first LIU, a master CPU that performs switchover control of a predetermined port is switched to a slave CPU in the first LIU, and a slave CPU related to the predetermined port is switched to a master CPU in the second LIU, thereby dynamically changing the setting. | 08-12-2010 |
20110254608 | LEVEL CONTROL CIRCUIT, LEVEL CONTROL METHOD, AND LEVEL CONTROL SYSTEM - A level control circuit that generates output signal for level control includes: a control information storage that stores control information corresponding to a signal level, a control information circuit that outputs the output signal for level control corresponding to the signal level of a first input signal based on the control information stored in the control information storage; and an information update circuit that updates the control information of the control information storage according to the signal level of a second input signal. | 10-20-2011 |