Patents by Inventor Manabu Mukai
Manabu Mukai 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).
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Patent number: 8339278Abstract: An electronic system includes: an AC-DC converter to convert an AC voltage into a DC voltage and to supply the DC voltage to a secondary battery; a first detector to detect a remaining amount of the secondary battery; a transmitter to transmit a signal corresponding to the remaining amount of the secondary battery; a receiver to receive the signal transmitted by the transmitter; and a controller to control the AC-DC converter using the signal received by the receiver.Type: GrantFiled: September 15, 2009Date of Patent: December 25, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Takafumi Sakamoto, Koji Ogura, Shoji Otaka, Toshiyuki Umeda, Tsuyoshi Kogawa, Manabu Mukai
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Publication number: 20100231431Abstract: An electronic system includes: an AC-DC converter to convert an AC voltage into a DC voltage and to supply the DC voltage to a secondary battery; a first detector to detect a remaining amount of the secondary battery; a transmitter to transmit a signal corresponding to the remaining amount of the secondary battery; a receiver to receive the signal transmitted by the transmitter; and a controller to control the AC-DC converter using the signal received by the receiver.Type: ApplicationFiled: September 15, 2009Publication date: September 16, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takafumi SAKAMOTO, Koji Ogura, Shoji Otaka, Toshiyuki Umeda, Tsuyoshi Kogawa, Manabu Mukai
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Patent number: 7643565Abstract: A portable terminal communicates with a plurality of base stations by use of an OFDM signal. The portable terminal includes a communication unit sending and receiving the OFDM signal to and from the base stations, a switching timing detector, and an OFDM signal controller. The switching timing detector detects switching timing at which handover and a normal state are switched therebetween. The OFDM signal controller changes a guard time length of the OFDM signal upon detecting the timing by the switching timing detector.Type: GrantFiled: August 17, 2004Date of Patent: January 5, 2010Assignee: Kabushiki Kaisha ToshibaInventor: Manabu Mukai
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Publication number: 20090131114Abstract: A portable telephone terminal includes a browsing unit configured to browse content of a file via a network, a detection unit configured to detect at least one phone number from the content, a selection unit configured to select a phone number from the content by detecting the phone number therefrom, a preparation unit configured to prepare for starting call processing using the phone number selected by the selection unit, the call processing being processing for making a phone call, and a button used to start the call processing.Type: ApplicationFiled: August 22, 2008Publication date: May 21, 2009Inventors: Manabu Mukai, Katsuhiko Hayashi
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Publication number: 20090019268Abstract: The processor includes: a plurality of functional bocks that are respectively synchronized and operates to perform a process according to a control signal; a connection unit that is changeable to a smaller bandwidth than a bandwidth of inputs/outputs of the respective functional blocks and is connected between the respective functional blocks; a first data converter that switches a bandwidth of the connection unit; a second data converter that switches a data transmission rate of input/output data of the respective functional blocks; and a controller that controls the first data converter and the second data converter.Type: ApplicationFiled: March 21, 2008Publication date: January 15, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hidenori Matsuzaki, Manabu Mukai
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Publication number: 20080310537Abstract: A portable terminal communicates with a plurality of base stations by use of an OFDM signal. The portable terminal includes a communication unit sending and receiving the OFDM signal to and from the base stations, a switching timing detector, and an OFDM signal controller. The switching timing detector detects switching timing at which handover and a normal state are switched therebetween. The OFDM signal controller changes a guard time length of the OFDM signal upon detecting the timing by the switching timing detector.Type: ApplicationFiled: August 20, 2008Publication date: December 18, 2008Applicant: Kabushiki Kaisha ToshibaInventor: Manabu MUKAI
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Publication number: 20080285490Abstract: A radio communication system which includes a base station apparatus and terminal apparatuses and performs TDD two-way communications using an OFDM signal including subcarriers in a downstream communication from the base station apparatus to each terminal apparatus, and an FH signal having the same frequency band as that of the subcarriers in an upstream communication from the each terminal apparatus to the base station apparatus, the each terminal apparatus estimates transmission channel characteristics of the subcarriers based on the OFDM signal received, transmits an estimation result of the estimation unit to the base station apparatus, and the base station apparatus assigns, to the each terminal apparatus, at least one of subcarriers to be used in the downstream communication of the subcarriers and a hopping pattern to be used in the upstream communication, based on the estimation result transmitted from the each terminal apparatus.Type: ApplicationFiled: July 18, 2008Publication date: November 20, 2008Inventors: Manabu MUKAI, Tomoya Horiguchi, Takeshi Tomizawa, Kaoru Inoue
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Publication number: 20080279259Abstract: Radio communication apparatus for receiving OFDM signal from base station and transmitting FH signal to base station, using sub-channels, base station comparing hopping pattern information items indicating hopping patterns from radio communication apparatuses including radio communication apparatus, and generating collision information when hopping patterns include colliding hopping patterns, includes estimation unit configured to estimate channel response values of sub-channels based on OFDM signal, selector which selects, from sub-channels, several sub-channels which have higher channel response values than a value, each of channel response values being expressed by power level, signal-to-noise power ratio, or signal-to-interference ratio, determination unit configured to determine hopping pattern from selected sub-channels, transmitter which transmits, to base station, hopping pattern information item indicating determined hopping pattern, receiver which receives collision information from base station, anType: ApplicationFiled: June 10, 2008Publication date: November 13, 2008Inventors: Takahiro Kobayashi, Noritaka Deguchi, Yoshimasa Egashira, Yasuhiko Tanabe, Tsuguhide Aoki, Manabu Mukai, Tomoya Horiguchi
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Publication number: 20080261649Abstract: 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.Type: ApplicationFiled: December 10, 2007Publication date: October 23, 2008Inventors: Manabu Mukai, Takeshi Tomizawa, Daisuke Takeda, Takashi Wakutsu, Mutsumu Serizawa
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Patent number: 7319885Abstract: 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.Type: GrantFiled: March 21, 2003Date of Patent: January 15, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Manabu Mukai, Takeshi Tomizawa, Daisuke Takeda, Takashi Wakutsu, Mutsumu Serizawa
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Patent number: 7206601Abstract: A mobile radio communication apparatus comprises a wireless transmitter-receiver device configured to perform transmission/reception of a radio signal, a signal processing device including a resource to which functions are defined, wherein the resource handles at least a modem function and a protocol function, and configured to perform a signal processing necessary in the transmission/reception by use of the resource, and a controller that controls the signal processing device to redefine, to the resource, another modem function and another protocol function corresponding to respective one of the mobile communication systems.Type: GrantFiled: October 27, 2005Date of Patent: April 17, 2007Assignee: Kabushiki Kaisha ToshibaInventors: Manabu Mukai, Shun-ichi Kubo, Takashi Wakutsu, Daisuke Takeda, Jun Mitsugi, Kaoru Inoue, Takeshi Tomizawa
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Patent number: 7092733Abstract: A mobile radio communication apparatus comprises a wireless transmitter-receiver device configured to perform transmission/reception of a radio signal, a signal processing device including a resource to which functions are defined, wherein the resource handles at least a modem function and a protocol function, and configured to perform a signal processing necessary in the transmission/reception by use of the resource, and a controller that controls the signal processing device to redefine, to the resource, another modem function and another protocol function corresponding to respective one of the mobile communication systems.Type: GrantFiled: January 24, 2002Date of Patent: August 15, 2006Assignee: Kabushiki Kaisha ToshibaInventors: Manabu Mukai, Shun-ichi Kubo, Takashi Wakutsu, Daisuke Takeda, Jun Mitsugi, Kaoru Inoue, Takeshi Tomizawa
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Patent number: RE41132Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.Type: GrantFiled: November 15, 2005Date of Patent: February 16, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Minoru Namekata, Takashi Wakutsu, Manabu Mukai
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Patent number: RE43654Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.Type: GrantFiled: September 17, 2010Date of Patent: September 11, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Minoru Namekata, Takashi Wakutsu, Manabu Mukai
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Patent number: RE43713Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.Type: GrantFiled: September 17, 2010Date of Patent: October 2, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Minoru Namekata, Takashi Wakutsu, Manabu Mukai
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Patent number: RE43800Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.Type: GrantFiled: August 25, 2009Date of Patent: November 13, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Minoru Namekata, Takashi Wakutsu, Manabu Mukai
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Patent number: RE43821Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.Type: GrantFiled: September 17, 2010Date of Patent: November 20, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Minoru Namekata, Takashi Wakutsu, Manabu Mukai
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Patent number: RE43950Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.Type: GrantFiled: August 24, 2009Date of Patent: January 29, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Minoru Namekata, Takashi Wakutsu, Manabu Mukai
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Patent number: RE44074Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.Type: GrantFiled: August 25, 2009Date of Patent: March 12, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Minoru Namekata, Takashi Wakutsu, Manabu Mukai
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Patent number: RE44143Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.Type: GrantFiled: September 17, 2010Date of Patent: April 9, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Minoru Namekata, Takashi Wakutsu, Manabu Mukai