Patent application number | Description | Published |
20090141834 | RECEIVER AND RECEIVING METHOD FOR RF SIGNALS - An rf signal receiver of the present invention includes: a replica signal generating unit for generating on the basis of a received signal a replica of a transmission signal a delayed arriving signal removing unit for removing the delayed arriving signal from the received signal through the use of the replica signal at the timing of a predetermined timing pattern; a signal combining unit for combining the output of the delayed arriving signal removing unit, whose output represents the results of the removal of the delayed arriving signal from the received signal at the timing of a predetermined timing pattern; and a demodulation unit for demodulating the output of the signal combining unit. | 06-04-2009 |
20090264076 | TRANSMITTER FOR COMMUNICATIONS SYSTEM - An rf signal transmitter for transmitting rf signals through a plurality of antennas is described, which comprises: a transmit section adapted to selectively set, with respect to an input signal, the initial phase of an output to at least one of said antennas depending on a time or frequency region used for communication and to provide delay to the output on an antenna-by-antenna basis and on the basis of a transmission timing or a transmission frequency; and a quality information receive section for receiving quality information from destination station, i.e., a wireless terminal unit, said quality information concerning the rf signal transmitted from said transmit section and received at said destination station. | 10-22-2009 |
20090268686 | WIRELESS TRANSMITTER AND WIRELESS TRANSMISSION METHOD - A wireless transmitter of the present invention includes n (n being an integer of 2 or more) transmission antennas, a transmission circuit controller that, based on reception qualities reported from terminals, assigns a chunk to each terminal, and sends a phase-control report signal that determines whether to perform phase-control, to that chunk, and a transmission circuit unit that, to each of the n transmission antennas, performs phase-control based on the phase-control report signal, and applies a delay that obtains an optimum transmission diversity effect among a plurality of transmission diversity effects. | 10-29-2009 |
20090285322 | RADIO TRANSMITTER, RADIO COMMUNICATION SYSTEM, AND RADIO TRANSMISSION METHOD - A radio transmitter of the present invention includes a scheduler for assigning a communication time or a communication frequency to each radio receiver based on quality information of a received signal transmitted by the radio receiver, a transmission circuit controller for transmitting either a frequency diversity region or a multiuser diversity region to be selected with respect to each chunk, and a transmission circuit for applying different delay times to signals of a plurality of transmission antennas based on a transmission result of the transmission circuit controller. | 11-19-2009 |
20090318178 | TRANSMITTER FOR COMMUNICATIONS SYSTEM - An rf signal transmitter for transmitting rf signals through a plurality of antennas is described, which comprises: a transmit section adapted to selectively set, with respect to an input signal, the initial phase of an output to at least one of said antennas depending on a time or frequency region used for communication and to provide delay to the output on an antenna-by-antenna basis and on the basis of a transmission timing or a transmission frequency; and a quality information receive section for receiving quality information from destination station, i.e., a wireless terminal unit, said quality information concerning the rf signal transmitted from said transmit section and received at said destination station. | 12-24-2009 |
20100189162 | TRANSMISSION-AND-RECEPTION APPARATUS, TRANSMISSION-AND-RECEPTION SYSTEM, AND TRANSMISSION-AND-RECEPTION METHOD - A transmission-and-reception apparatus of the present invention includes: a receiver that receives category information concerning a function of another transmission-and-reception apparatus; a selector that selects an interleaving scheme based on the category information; and an interleaver that interleaves signals to be transmitted to the other transmission-and-reception apparatus based on the selected interleaving scheme. Thereby, the maximum performance of each reception apparatus can be achieved even when reception apparatuses belonging to multiple categories are included in a wireless communication system. | 07-29-2010 |
20100311358 | TRANSMITTER FOR COMMUNICATIONS SYSTEM - An rf signal transmitter for transmitting rf signals through a plurality of antennas is described, which comprises: a transmit section adapted to selectively set, with respect to an input signal, the initial phase of an output to at least one of said antennas depending on a time or frequency region used for communication and to provide delay to the output on an antenna-by-antenna basis and on the basis of a transmission timing or a transmission frequency; and a quality information receive section for receiving quality information from destination station, i.e., a wireless terminal unit, said quality information concerning the rf signal transmitted from said transmit section and received at said destination station. | 12-09-2010 |
20120216491 | METHOD AND APPARATUS FOR MANUFACTURING LIQUID CONTAINER - A compression member is used to press a first outer surface of a negative pressure generating member which contacts a surface of a partition wall and to press a second outer surface of the negative pressure generating member which contacts an inner surface of a first recessed portion located opposite the partition wall. The negative pressure generating member is placed in the first recessed portion with releasing the pressure exerted on the first outer surface while maintaining the pressure exerted on the second outer surface. After the negative pressure generating member is placed in the first recessed portion, the pressure exerted on the outer surface of the negative pressure generating member is released. | 08-30-2012 |
20120227861 | INSERT METHOD OF NEGATIVE-PRESSURE GENERATING MEMBER AND INSERT DEVICE OF NEGATIVE-PRESSURE GENERATING MEMBER - There is provided an insert method of a negative-pressure generating member where, upon inserting a negative-pressure generating member | 09-13-2012 |
20120252381 | TRANSMITTER FOR COMMUNICATIONS SYSTEM - An rf signal transmitter for transmitting rf signals through a plurality of antennas is described, which comprises: a transmit section adapted to selectively set, with respect to an input signal, the initial phase of an output to at least one of said antennas depending on a time or frequency region used for communication and to provide delay to the output on an antenna-by-antenna basis and on the basis of a transmission timing or a transmission frequency; and a quality information receive section for receiving quality information from destination station, i.e., a wireless terminal unit, said quality information concerning the rf signal transmitted from said transmit section and received at said destination station. | 10-04-2012 |
20150062259 | INK FILLING APPARATUS AND INK FILLING METHOD - When ink remains in a space that communicates with an ink storage chamber so as to be set under reduced pressure together with the ink storage chamber, the pressure in the ink storage chamber can still be efficiently reduced to a target pressure level. A liquid spray device sprays liquid toward a pipe extended between a negative-pressure generation member storage chamber and a valve in order to cool down ink that is present inside the pipe. | 03-05-2015 |