Patent application number | Description | Published |
20090015499 | Antenna Apparatus - An antenna apparatus includes a patch antenna unit in which a radiation conductor and a ground conductor plate are arranged so as to face each other with an insulating material disposed therebetween, a power-feed point is provided at a position slightly offset from the center of the radiation conductor, and a high-frequency electric field is supplied between the radiation conductor and the ground conductor plate; a surface-wave propagation suppression area in which a surface-wave propagation suppression mechanism for suppressing surface-wave propagation is mounted in an outer surrounding area in the offset direction of the power-feed point in which an electric-field intensity is generally maximum within the end portion of the radiation conductor plate; and an insulating area in which an electric-field intensity between the radiation conductor plate and the ground conductor plate is relatively low and the surface-wave propagation suppression mechanism is not arranged. | 01-15-2009 |
20090059880 | WIRELESS COMMUNICATIONS SYSTEM, WIRELESS COMMUNICATIONS APPARATUS, WIRELESS COMMUNICATIONS METHOD AND COMPUTER PROGRAM FOR WIRELESS COMMUNICATION - In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals. | 03-05-2009 |
20090201901 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 08-13-2009 |
20090226092 | OBJECT DETECTION DEVICE, AND OBJECT DETECTION DEVICE FOR ELEVATOR - In an object detecting apparatus for detecting whether or not a detection object is present in a monitoring area by comparing a present image with a background image photographed when the detection target is not present in the monitoring area, a background contour line information extracting means extracts contour line information of an article photographed in the background image. An object detecting means extracts contour line information other than the contour lines of the background image from the present image. Also, the object detecting means detects whether or not the detection object is present in the monitoring area based upon such a fact as to whether or not the contour line information can be extracted from the present image. | 09-10-2009 |
20090304119 | RECEIVING APPARATUS, RECEIVING METHOD AND WIRELESS COMMUNICATION SYSTEM - There is provided a receiving apparatus including a plurality of antennas, a power detection unit to detect received power of respective received signals received by the plurality of antennas, and a plurality of reception processing units that includes a first reception processing unit to perform reception processing with a first bit width on a received signal received by any one of the plurality of antennas and a second reception processing unit to perform reception processing with a second bit width smaller than the first bit width on a received signal detected by the power detection unit as having lower received power than the received signal to be processed by the first reception processing unit. | 12-10-2009 |
20090323591 | Receiving Apparatus, Receiving Method and Wireless Communication System - A receiving apparatus is provided which includes a receiving unit to receive a radio signal, a transfer function estimation unit to estimate a transfer function of a communication path of the radio signal, and a cross-correlation calculation unit to calculate cross-correlation between a synchronous signal contained in a radio signal received by the receiving unit and a known synchronous signal multiplied by the transfer function estimated by the transfer function estimation unit. | 12-31-2009 |
20100005070 | METADATA EDITING APPARATUS, METADATA REPRODUCTION APPARATUS, METADATA DELIVERY APPARATUS, METADATA SEARCH APPARATUS, METADATA RE-GENERATION CONDITION SETTING APPARATUS, AND METADATA DELIVERY METHOD AND HINT INFORMATION DESCRIPTION METHOD - Multimedia content containing moving pictures and audio is divided into multiple scenes and metadata is generated for each of the scenes obtained as a result of the division. It is possible to generate metadata containing scene structure information metadata that describes the hierarchical structure of the content in addition to scene section information and titles. Also, a name or an identifier of each descriptor contained in the metadata is described as hint information for manipulation of metadata composed of at least one descriptor describing semantic content, a structure, and characteristics of content. | 01-07-2010 |
20100026561 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - A wireless commutation device includes: an antenna unit including antennas transmitting and receiving wireless signals; an analog processing unit including transmitting analog circuits and receiving analog circuits processing analog transmitting and received signals; a digital processing unit processing digital transmitting and received signals; an inter-antenna propagation loss determination unit determining propagation losses between the antennas; a loopback transfer function gain acquisition unit acquiring, through loopback of a calibration signal between the antennas, gains of loopback transfer functions between antenna branches; a loopback transfer function gain correction unit correcting the gains by using the propagation losses; a correction coefficient determination unit determining the respective gain ratios among the receiving analog circuits and the transmitting analog circuits by using the corrected gains, and determining correction coefficients by using the gain ratios; and a gain calibration processing unit performing gain calibration on the digital transmitting and received signals by using the correction coefficients. | 02-04-2010 |
20100107042 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - A wireless communication apparatus that operates in a network environment with mixed different packet formats, includes: a first format detecting unit detecting a format by executing signal processing on a preamble of a received packet before decoding; an estimating unit using the preamble to carry out multiple types of estimations; a decoding unit decoding the received packet in accordance with the detected format based on the estimations; a second format detecting unit detecting the format of the received packet based on decoded control information in the preamble of the received packet; an error detection determination unit, when the format detected by the first format detecting unit differs from the format detected by the second format detecting unit, determining that the format detected by the first format detecting unit is error detection; and a control unit controlling operations of the estimating unit and the decoding unit based on a determined result. | 04-29-2010 |
20100118936 | IMAGE DECODING APPARATUS, IMAGE CODING APPARATUS, IMAGE COMMUNICATIONS SYSTEM AND CODED BIT STREAM CONVERTING APPARATUS - An image decoding apparatus is capable of decoding coded bit streams with different coding schemes. The image decoding apparatus includes a coding scheme decision section for deciding a coding scheme from coding scheme identification information multiplexed into a coded bit stream, a setting unit for setting header information on a second coding scheme in accordance with header information in a first coding scheme, and a decoder for decoding image coded data in the first coding scheme in response to the header information on the second coding scheme, which is set. | 05-13-2010 |
20100118975 | IMAGE DECODING APPARATUS, IMAGE CODING APPARATUS, IMAGE COMMUNICATIONS SYSTEM AND CODED BIT STREAM CONVERTING APPARATUS - An image decoding apparatus is capable of decoding coded bit streams with different coding schemes. The image decoding apparatus includes a coding scheme decision section for deciding a coding scheme from coding scheme identification information multiplexed into a coded bit stream, a setting unit for setting header information on a second coding scheme in accordance with header information in a first coding scheme, and a decoder for decoding image coded data in the first coding scheme in response to the header information on the second coding scheme, which is set. | 05-13-2010 |
20100118976 | IMAGE DECODING APPARATUS, IMAGE CODING APPARATUS, IMAGE COMMUNICATIONS SYSTEM AND CODED BIT STREAM CONVERTING APPARATUS - An image decoding apparatus is capable of decoding coded bit streams with different coding schemes. The image decoding apparatus includes a coding scheme decision section for deciding a coding scheme from coding scheme identification information multiplexed into a coded bit stream, a setting unit for setting header information on a second coding scheme in accordance with header information in a first coding scheme, and a decoder for decoding image coded data in the first coding scheme in response to the header information on the second coding scheme, which is set. | 05-13-2010 |
20100172415 | VIDEO ENCODER, VIDEO DECODER, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, AND VIDEO ENCODING AND DECODING SYSTEM - A method and a video decoder for decoding an encoded bitstream of video data in a picture encoding and decoding system are disclosed. The video decoder includes a motion compensation unit for calculating a position for a sample image portion using an encoded bitstream of video data having a motion vector and rounding information. The calculated position of a sample image is rounded with the rounding information. The rounding information indicates the accuracy for rounding, and it is decoded from the bitstream. An image reconstruction unit reconstructs a decoded image portion of the video data from the sample image portion. | 07-08-2010 |
20100208713 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 08-19-2010 |
20100208714 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 08-19-2010 |
20110147136 | ELEVATOR MONITORING SYSTEM - Provided is an elevator monitoring system capable of preventing the indication of car positions from becoming discontinuous on a monitoring screen in the event of an accident. For this purpose, the elevator monitoring system is provided with a car-position information search device which detects a car-position floor of an elevator, an indication device which indicates a symbol indicative of the car-position floor and a symbol indicative of the car so as to correspond to each other, a speed calculating device which calculates the speed of the car on the basis of a distance corresponding to a change in the car-position floor and the time required by the change, an indication unit determining device which increases the number of stories as a unit in the indication unit of the symbol indicative of the car-position floor in the case of an increase in the speed of the car, and an indication controller which causes the indication device to indicate the symbol indicative of the car-position floor by an indication unit determined by the indication unit determining device. | 06-23-2011 |
20120136668 | ELEVATOR CONTROL DEVICE - An elevator control device makes call registration by voice recognition by using a microphone outputting a user's voice as a sound signal and includes: an indicator controller that causes an image which specifies one of objects selectable as a call registration object to be displayed; a storage which stores, in advance, the sound signal of a predetermined voice, which is used for designating the call registration object, as a registered sound signal; and a voice recognizing mechanism that compares the sound signal delivered from the microphone with the registered sound signal, and delivers a control signal if these sound signals coincide with each other. The indicator controller outputs registration information, in which the object specified by the image displayed on the indicator is the call registration object, when receiving the control signal sent from the voice recognizing mechanism. | 05-31-2012 |
20120243522 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 09-27-2012 |
20120281661 | WIRELESS COMMUNICATIONS SYSTEM, WIRELESS COMMUNICATIONS APPARATUS, WIRELESS COMMUNICATIONS METHOD AND COMPUTER PROGRAM FOR WIRELESS COMMUNICATION - In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals. | 11-08-2012 |
20130242970 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 09-19-2013 |
20130315350 | WIRELESS COMMUNICATIONS SYSTEM, WIRELESS COMMUNICATIONS APPARATUS, WIRELESS COMMUNICATIONS METHOD AND COMPUTER PROGRAM FOR WIRELESS COMMUNICATION - In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals. | 11-28-2013 |
20130322380 | WIRELESS COMMUNICATIONS SYSTEM, WIRELESS COMMUNICATIONS APPARATUS, WIRELESS COMMUNICATIONS METHOD AND COMPUTER PROGRAM FOR WIRELESS COMMUNICATION - In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals. | 12-05-2013 |
20130322420 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 12-05-2013 |
20130322421 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 12-05-2013 |
20130329641 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 12-12-2013 |
20130329716 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 12-12-2013 |
20130329717 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 12-12-2013 |
20130329827 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 12-12-2013 |
20140185703 | WIRELESS COMMUNICATIONS SYSTEM, WIRELESS COMMUNICATIONS APPARATUS, WIRELESS COMMUNICATIONS METHOD AND COMPUTER PROGRAM FOR WIRELESS COMMUNICATION - In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals. | 07-03-2014 |
20140362844 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded. | 12-11-2014 |