| Patent application number | Description | Published |
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| 20080261649 | Radio communication apparatus and method - A radio communication apparatus compatible with a plurality of communication systems and application services comprises a radio transmitting/receiving unit for transmitting and receiving a radio signal, signal processing circuit for executing part of digital signal processing which may be executed when a radio signal is transmitted or received, first processors connected to the signal processing circuit for at least executing communication control related to connection between the radio communication apparatus and the communication systems, and an application program related to the application services, and second processors connected to the signal processing circuit for at least executing another part of the digital signal processing, and control of the signal processing circuit, the amount of processing of the second processors being greater than the amount of processing of the first processors, the processing concerning the executing unit. | 10-23-2008 |
| 20090028271 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 01-29-2009 |
| 20090279618 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 11-12-2009 |
| 20090304107 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 12-10-2009 |
| 20100111203 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 05-06-2010 |
| 20110142023 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 06-16-2011 |
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| 20080205540 | WIRELESS COMMUNICATION APPARATUS - Before data is transmitted from a plurality of antennas, a plurality of known symbol sequences are transmitted from these antennas. Each known symbol sequence contains a plurality of known symbols having different subcarrier arrangements. Known symbols transmitted from different antennas have different subcarrier arrangements. | 08-28-2008 |
| 20090022132 | WIRELESS COMMUNICATION SYSTEM AND WIRELESS TERMINAL - A wireless communication system includes first and second wireless terminals capable of performing transmission by at least one of a first transmission scheme and a second transmission scheme. The first wireless terminal performs transmission of a first frame to the second wireless terminal by using the second transmission scheme. The second wireless terminal communicates with the first wireless terminal to notify the first wireless terminal of information associated with a status of the reception of the first frame transmitted from the first wireless terminal by using the first transmission scheme. | 01-22-2009 |
| 20090080567 | WIRELESS COMMUNICATION USING A PLURALITY OF ANTENNAS - A wireless communication apparatus includes a plurality of antennas, transmits a plurality of known symbol sequences each including a plurality of known symbols by using the antennas, each of the known symbols having subcarrier arrangement on which plural known information of the each of the known symbols are carried on, and inversion/non-inversion of a phase of known information on one of two adjacent subcarriers of the subcarrier arrangement being controlled in accordance with the number of the known symbols and time position of the each of the known symbols, and transmits data symbols by using the antennas after the known symbol sequences are transmitted. | 03-26-2009 |
| 20100040167 | OFDM SIGNAL TRANSMISSION METHOD AND APPARATUS - An orthogonal frequency division multiplexing (OFDM) signal transmission apparatus which transmits OFDM signals by using a plurality of transmission antennas includes a subcarrier setting device which sets signals for subcarriers so as to use some of the subcarriers of the OFDM signals as pilot subcarriers to transmit pilot signals and use the remaining subcarriers as data subcarriers to transmit data signals, the subcarrier setting device changing polarities of signals for the pilot subcarriers for each transmission antenna. | 02-18-2010 |
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| 20110109655 | BACKLIGHT AND DISPLAY DEVICE USING THE SAME - A backlight is provided that can prevent light emitting elements and other circuit components from undergoing degradation due to temperature elevation during backlight operation. A display device utilizing the backlight is also provided. In at least one example embodiment, the backlight is a backlight that is provided on the rear side of a display unit and projects illumination used for displaying images onto the display unit, the backlight including: multiple light emitting elements arranged in a single plane; a light source driving circuit having a light source control unit that defines the value of the drive power applied to each light emitting element and a light source driver unit that applies drive power corresponding to the value defined by the light source control unit to the light emitting elements; and temperature sensors that detect the ambient temperature of the regions where the light emitting elements that attain the highest temperatures during operation are disposed, wherein the light source control unit reduces the drive power applied to the light emitting elements that attain the highest temperatures during operation when the output values of the temperature sensors exceed a predetermined threshold value. | 05-12-2011 |
| 20110109834 | FRAME SET, LIGHTING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - Accommodating spots ( | 05-12-2011 |
| 20110110046 | REINFORCEMENT FRAME, COMPONENT UNIT, AND DISPLAY - Disclosed is a reinforcement frame ( | 05-12-2011 |
| 20110141403 | LIGHT-EMITTING MODULE UNIT, LIGHT GUIDE UNIT, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - In an LED module (MJ), a recessed portion (DH) is formed by hollowing at least a part of a region of a non-mounting substrate surface ( | 06-16-2011 |
