Patents by Inventor Toshiyuki Uehara

Toshiyuki Uehara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20080259397
    Abstract: A print managing server is connected to a plurality of printers through a network and stores print data which can be printed by the printer in combination with user information. The print managing server has control means for controlling execution of a command including the user information which is received from the printer. The control means controls in such a manner that when the command is received, if a printing process corresponding to the user information included in the command is being executed for the other printer, the printing process which is being executed is stopped for the other printer and a process corresponding to the command is executed.
    Type: Application
    Filed: June 23, 2008
    Publication date: October 23, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Toshiyuki Uehara
  • Patent number: 7400689
    Abstract: P/S conversion section 302 performs parallel/serial conversion of data sequences #1 through #4 input in parallel, in accordance with control by assignment control section 303, so that data to a higher-priority communication terminal is assigned to an upper bit in one symbol; M-ary modulation section 304 performs M-ary modulation on the data that has been subject to parallel/serial conversion; S/P conversion section 305 converts a symbol that has been subject to M-ary modulation to parallel form; multipliers 306-1 through 306-4 execute spreading processing on the symbols output in parallel; multiplexing section 309 multiplexes the symbol that has been subject to spreading processing with an assignment notification signal that has been subject to spreading processing; and radio transmitting section 310 transmits the multiplexed signal.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: July 15, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Atsushi Matsumoto, Mitsuru Uesugi, Kenichi Miyoshi, Toshiyuki Uehara
  • Patent number: 7385934
    Abstract: A transmission rate determining method that enables assignment of transmission rate (modulation scheme and coding rate) to be optimized with high accuracy in the AMC technique. In the method, in a base station, Doppler frequency detector 117 detects the Doppler frequency (moving speed) of each mobile station. MCS assignment section 125 corrects a relational expression of MCS (coding rate and modulation scheme) and CIR based on the Doppler frequency (moving speed) obtained in Doppler frequency detector 117, for example, corrects a threshold in CIR, and determines MCS optimal for CIR report value. Results of assignment in MCS assignment section 125 are output to coding section 101 and modulation section 103.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: June 10, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiyuki Uehara, Kazuyuki Miya, Takenobu Arima, Katsuhiko Hiramatsu
  • Patent number: 7369621
    Abstract: In order to perform appropriate reception quality control on each mobile station in a multimedia broadcast/multicast service, a layered coding section 101 encodes input data by dividing the input data into two layers and obtains a first layer code string and a second layer code string. The first layer code string is input to a CRC code addition section 102 and a CRC code for an error inspection is added thereto at every predetermined block. On the other hand, the second layer code string is input to a CRC code addition section 103 and a CRC code for an error inspection is added thereto at every predetermined block. The first layer code string and the second layer code string with the CRC codes added are input to a layered modulation section 104 and the layered modulation section 104 modulates a plurality of code strings coded by being divided into a plurality of layers in such away that error rates differ hierarchically among the plurality of code strings and a radio section 105 sends the modulated symbol.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: May 6, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Isamu Yoshii, Mitsuru Uesugi, Toshiyuki Uehara, Akihiko Nishio
  • Publication number: 20080008260
    Abstract: An eigen value expansion section 103 calculates eigen values and eigen vectors in a correlation matrix or covariance matrix of input signals. When the ratio between a maximum eigen value and other eigen values is equal to or lower than a threshold, an assignment method selection section 104 selects a code assignment method whereby systematic bits are transmitted with their respective eigen vectors. As a result, a communication apparatus 100 transmits a systematic bit X with the respective eigen vectors. On the other hand, when the ratio between a maximum eigen value and other eigen values is greater than the threshold, the assignment method selection section 104 selects a code assignment method whereby systematic bits are transmitted with only the eigen vector having the maximum eigen value. As a result, the communication apparatus 100 transmits the systematic bit X with only the eigen vector having the maximum eigen value.
    Type: Application
    Filed: September 19, 2007
    Publication date: January 10, 2008
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Masayuki HOSHINO, Toshiyuki Uehara
  • Publication number: 20070281791
    Abstract: To continue, in a communication game system configured of three or more terminal devices, a game with remaining terminal devices when a communication of a portion of the terminal devices has been cut off, without preparing a surplus terminal device. Four game machines implement a game by alternating one turn each. Each game machine, on its own turn, as well as implementing the game on the relevant turn based on an input thereof, transmits game progress information based on the relevant input, and turn determination information indicating a determination of the relevant turn, to other game machines. The game is implemented in accordance with the game progress information and turn determination information received from the other game machines.
    Type: Application
    Filed: May 8, 2007
    Publication date: December 6, 2007
    Applicant: KABUSHIKI KAISHA SQUARE ENIX (also trading as SQUARE ENIX Co., LTD.)
    Inventors: Masanori ICHIKAWA, Toshiyuki UEHARA, Akihito OTA, Kei SHIMO, Toshihiko MACHITA, Kunihiro SASAGAWA
  • Patent number: 7292862
    Abstract: An assignment section 101 determines communication resource assignment to communication terminals based on a transmission rate at which communication is possible for each subcarrier of each communication terminal, and instructs a buffer section 102 to output forward transmission data. In addition, the assignment section 101 instructs a frame creation section 103 to perform forward transmission data symbolization, and also outputs a signal indicating communication resource assignment to each communication terminal. The buffer section 102 holds forward transmission data, and outputs forward transmission data to the frame creation section 103 in accordance with instructions from the assignment section 101. The frame creation section 103 symbolizes a resource assignment signal and transmission data to create a frame, which it outputs to a spreading section 104.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: November 6, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Atsushi Sumasu, Osamu Kato, Mitsuru Uesugi, Yoshiko Saito, Toyoki Ue, Junichi Aizawa, Keiichi Kitagawa, Toshiyuki Uehara, Guizeng Shi
  • Patent number: 7289474
    Abstract: An eigen value expansion section 103 calculates eigen values and eigen vectors in a correlation matrix or covariance matrix of input signals. When the ratio between a maximum eigen value and other eigen values is equal to or lower than a threshold, an assignment method selection section 104 selects a code assignment method whereby systematic bits are transmitted with their respective eigen vectors. As a result, a communication apparatus 100 transmits a systematic bit X with the respective eigen vectors. On the other hand, when the ratio between a maximum eigen value and other eigen values is greater than the threshold, the assignment method selection section 104 selects a code assignment method whereby systematic bits are transmitted with only the eigen vector having the maximum eigen value. As a result, the communication apparatus 100 transmits the systematic bit X with only the eigen vector having the maximum eigen value.
    Type: Grant
    Filed: February 16, 2004
    Date of Patent: October 30, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masayuki Hoshino, Toshiyuki Uehara
  • Publication number: 20060166690
    Abstract: In order to appropriately control transmit power of a common channel for an MBMS (Multimedia Broadcast/Multicast Service) so as not to become excessive, a mobile station 1 transmits a TPC command for an S-CCPCH to a base station through an uplink DPCH1 and a mobile station 2 transmits a TPC command for an S-CCPCH to the base station through an uplink DPCH2. When either one of the TPC command for the S-CCPCH transmitted from the mobile station 1 and the TPC command for the S-CCPCH transmitted from the mobile station 2 is a TPC command instructing “Up”, the base station increases transmit power of the downlink S-CCPCH and decreases transmit power of the downlink S-CCPCH when both TPC commands instruct “Down”.
    Type: Application
    Filed: September 18, 2003
    Publication date: July 27, 2006
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Akihiko Nishio, Makis Kasapidis, Katsuhiko Hiramatsu, Isamu Yoshii, Toshiyuki Uehara, Katsuyoshi Naka
  • Patent number: 7072682
    Abstract: Complex correlation section 110 complex-multiplies baseband signals obtained by frequency-converting known signals sent from base station apparatuses, which are candidate communication partners, to baseband frequencies by known patterns to distinguish signals of the respective base station apparatuses, despreads the baseband signals and obtains amplitude values. Desired signal power measuring section 111 averages the amplitude values with a predetermined number of symbols, interference signal power measuring section 112 that calculates a desired signal power value by suppressing the interference component separates the interference component by subtracting the desired signal power value from the amplitude values. Division section 113 divides the desired signal by the interference signal, calculates a CIR value and outputs the CIR value to transmission sections 102-1 to 102-n.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: July 4, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiyuki Uehara, Kenichi Miyoshi
  • Patent number: 7062295
    Abstract: A radio communication system and scheduling method where, when data are transmitted from a plurality of transmit antennas to respective different mobile station apparatuses, all the mobile station apparatuses precisely receive data addressed thereto. A scheduler (104) performs scheduling that determines a data transmit order, depending on the numbers of receive antennas of the respective mobile station apparatuses, and notifies a transmit antennas assignment signal generator (124) of which transmit antenna is assigned which mobile station apparatus's sub-stream as the scheduling result. A number of receive antennas notifying signal decoder (122) decodes the number of receive antennas notifying signals and notifies the number of the receive antennas of each mobile station apparatus to the scheduler (104). The transmit antennas assignment signal generator (124) generates the transmit antennas assignment signal indicating which transmit antenna is assigned which mobile station apparatus's sub-stream.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: June 13, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Isamu Yoshii, Mitsuru Uesugi, Toshiyuki Uehara
  • Publication number: 20060077936
    Abstract: An eigen value expansion section 103 calculates eigen values and eigen vectors in a correlation matrix or covariance matrix of input signals. When the ratio between a maximum eigen value and other eigen values is equal to or lower than a threshold, an assignment method selection section 104 selects a code assignment method whereby systematic bits are transmitted with their respective eigen vectors. As a result, a communication apparatus 100 transmits a systematic bit X with the respective eigen vectors. On the other hand, when the ratio between a maximum eigen value and other eigen values is greater than the threshold, the assignment method selection section 104 selects a code assignment method whereby systematic bits are transmitted with only the eigen vector having the maximum eigen value. As a result, the communication apparatus 100 transmits the systematic bit X with only the eigen vector having the maximum eigen value.
    Type: Application
    Filed: February 16, 2004
    Publication date: April 13, 2006
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masayuki Hoshino, Toshiyuki Uehara
  • Publication number: 20060068724
    Abstract: P/S conversion section 302 performs parallel/serial conversion of data sequences #1 through #4 input in parallel, in accordance with control by assignment control section 303, so that data to a higher-priority communication terminal is assigned to an upper bit in one symbol; M-ary modulation section 304 performs M-ary modulation on the data that has been subject to parallel/serial conversion; S/P conversion section 305 converts a symbol that has been subject to M-ary modulation to parallel form; multipliers 306-1 through 306-4 execute spreading processing on the symbols output in parallel; multiplexing section 309 multiplexes the symbol that has been subject to spreading processing with an assignment notification signal that has been subject to spreading processing; and radio transmitting section 310 transmits the multiplexed signal.
    Type: Application
    Filed: September 22, 2005
    Publication date: March 30, 2006
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Atsushi Matsumoto, Mitsuru Uesugi, Kenichi Miyoshi, Toshiyuki Uehara
  • Patent number: 7003050
    Abstract: P/S conversion section 302 performs parallel/serial conversion of data sequences #1 through #4 input in parallel, in accordance with control by assignment control section 303, so that data to a higher-priority communication terminal is assigned to an upper bit in one symbol; M-ary modulation section 304 performs M-ary modulation on the data that has been subject to parallel/serial conversion; S/P conversion section 305 converts a symbol that has been subject to M-ary modulation to parallel form; multipliers 306-1 through 306-4 execute spreading processing on the symbols output in parallel; multiplexing section 309 multiplexes the symbol that has been subject to spreading processing with an assignment notification signal that has been subject to spreading processing; and radio transmitting section 310 transmits the multiplex signal.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: February 21, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Atsushi Matsumoto, Mitsuru Uesugi, Kenichi Miyoshi, Toshiyuki Uehara
  • Publication number: 20060023628
    Abstract: A radio communication method is provided that enables the TFC pointer of a communication terminal apparatus to be made to match the TFC pointer of a radio base station apparatus. A mobile station changes its TFC pointer in line with a determined TFC and also transmits a TFCI at point in time t3. The base station checks the TFCI and updates its own TFC pointer so as to match with the TFC indicated by the TFCI. The base station determines a new TFC pointer, generates an up/down/keep signal by comparing the new TFC pointer with the updated TFC pointer, and transmits this signal at point in time t5. The mobile station updates the TFC pointer it is holding based on the up/down/keep signal received at point in time t6. As a result, the TFC pointers of both stations can be made to match even if the mobile station receives an up/down/keep signal erroneously at point in time t2.
    Type: Application
    Filed: August 13, 2004
    Publication date: February 2, 2006
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiyuki Uehara, Katsuyoshi Naka, Akihiko Nishio, Kenichi Miyoshi
  • Publication number: 20050289258
    Abstract: A randmization section 101 makes the number of 1s and number of 0s of data the same. A coding section 102 performs coding processing on data in which the number of 1s and number of 0s have become the same. An HS-DSCH modulation and spreading section 103 performs M-ary modulation of the coded data, followed by spreading processing using a spreading code. Meanwhile, a common known signal undergoes M-ary modulation, followed by spreading processing using a spreading code, by a CPICH modulation and spreading section 104. The common known signal that has undergone spreading processing by CPICH modulation and spreading section 104 and data that has undergone spreading processing by HS-DSCH modulation and spreading section 103 are multiplexed by a multiplexing section 105. A multiplexed transmit signal is transmitted from a radio transmitting section 106. By this means, I-Q plane reference points can be found with a high degree of accuracy by means of a simple circuit configuration.
    Type: Application
    Filed: February 17, 2003
    Publication date: December 29, 2005
    Inventors: Toshiyuki Uehara, Hidetoshi Suzuki, Makis Kasapidis, Kenichi Miyoshi
  • Publication number: 20050272456
    Abstract: In a multimedia broadcast/multicast service, in order to control the ratio of mobile stations capable of receiving information with high quality among mobile stations existing in a cell, a modulation section modulates a first layer code string and second layer code string heaving hierarchically different error rates into a symbol including both layer code strings, a target value storage section stores a target value corresponding to the ratio of high quality mobile stations which receive both the first layer code string and second layer code string without errors, a transmit power determining section determines to increase transmit power when the ratio of high quality mobile stations calculated by a ratio calculation section is less than a target value stored in the target value storage section and a transmit power control section increases transmit power of the modulated symbol according to the determination.
    Type: Application
    Filed: December 17, 2003
    Publication date: December 8, 2005
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Isamu Yoshii, Toshiyuki Uehara, Akihiko Nishio
  • Publication number: 20050220052
    Abstract: A base station apparatus and communication terminal apparatus capable of estimating interference with other cells on an uplink and realizing optimum assignment. At a base station (100), a scheduling and transmission parameter determining section (113) receives soft handover information from a higher layer and does not perform individual assignment processing for a mobile station in the process of soft handover. In this way, the mobile station can perform continuous transmission at a constant transmission rate (e.g., coding rate, modulation scheme, spreading factor, transmit power, etc.).
    Type: Application
    Filed: December 26, 2003
    Publication date: October 6, 2005
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Toshiyuki Uehara, Isamu Yoshii, Akihiko Nishio, Katsuhiko Hiramatsu, Hitoshi Iochi
  • Publication number: 20050197161
    Abstract: A base station transmits downlink signals to mobile terminals of users A to C with respective transmission power corresponding to downlink quality. A downlink quality estimating section (106) uses the transmission power from a transmission power control section to compare transmission power between the users, and estimates that a terminal with low transmission power has high downlink quality. The priorities are determined so that the priority is increased as the transmission power is lower. Thus determined priority information is output to a scheduling section (107). The scheduling section (107) performs scheduling based on the priority information. The section (107) assigns DSCH to terminals in ascending order of transmission power. User A is first assigned DSCH, user B is second assigned DSCH, and user C is third assigned DSCH. It is thus possible to perform scheduling and MCS selection of DSCH with the need of information from a terminal eliminated.
    Type: Application
    Filed: May 4, 2005
    Publication date: September 8, 2005
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Toshiyuki Uehara, Katsuhiko Hiramatsu, Kenichi Miyoshi, Kazuyuki Miya, Masayuki Hoshino
  • Publication number: 20050174982
    Abstract: A buffer 106 stores transmission data temporarily. A CQI transmission control section 113 outputs an instruction signal for generating CQI to a CQI generating section 107 when transmission data is accumulated in buffer 106. CQI generating section 107 generates CQI based on quality information when the instruction signal is input from CQI transmission control section 113, and does not generate CQI when the instruction signal is not input from CQI transmission control section 113. A base station information extracting section 108 extracts transmit parameter information and scheduling information included in received data. A channel coding section 109 encodes transmission data based on encoding rate information in the transmit parameter information. A modulator 110 modulates the transmission data based on modulation scheme information in the transmit parameter information.
    Type: Application
    Filed: August 14, 2003
    Publication date: August 11, 2005
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiyuki Uehara, Akihiko Nishio