Patents by Inventor Hideo Kasami
Hideo Kasami 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: 9271300Abstract: According to one embodiment, a wireless communication apparatus includes a determination unit, a first setting unit, a second setting unit and a wireless unit. The determination unit determines whether a signal degradation degree is higher than a threshold value. The first setting unit sets first parameters relating to a first data rate and a first communication robustness. The second setting unit sets second parameters relating to a second data rate and a second communication robustness if an instruction signal is received and if the signal degradation degree is higher than the threshold value. The wireless unit communicates with a communication partner using one of the first parameters and the second parameters.Type: GrantFiled: March 15, 2012Date of Patent: February 23, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Hideo Kasami, Kiyoshi Toshimitsu, Koichiro Ban, Tomoya Horiguchi
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Patent number: 9232561Abstract: A wireless communication device has a plurality of wireless units each configured to cover a different wireless communication range and be capable of receiving data in the corresponding wireless communication range, a status information generator provided corresponding to the wireless unit utilized to receive data among the plurality of wireless units, in order to generate status information concerning the wireless communication range of the wireless unit utilized to receive the data, and a storage configured to store the status information in association with the data.Type: GrantFiled: November 21, 2012Date of Patent: January 5, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Koji Akita, Takayoshi Ito, Seiichiro Horikawa, Hideo Kasami
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Publication number: 20150350909Abstract: A card devices includes an authentication unit, a wireless communication unit, and a control unit. The authentication unit performs and authentication process with an external device via wired communication. The wireless communication unit performs wireless communication with the external device. The control unit controls the wireless communication unit to reduce radio waves radiated from the wireless communication unit when the control unit detects that the authentication process is being performed.Type: ApplicationFiled: August 13, 2015Publication date: December 3, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koji AKITA, Seiichiro HORIKAWA, Hideo KASAMI
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Patent number: 9158360Abstract: In an embodiment, an electronic apparatus is mounted with a card unit including first and second devices driven with different driving voltages. The electronic apparatus includes: first and second voltage generating units, first and second control units. The first voltage generating unit generates a first driving voltage for driving the first device and a second driving voltage for driving the second device using electric power from the battery. The second voltage generating unit generates the first driving voltage and second driving voltage using electric power transmitted from the external device. The first control unit controls the first selection unit such that any one of the first driving voltage generated by the first voltage generating unit and the first driving voltage generated by the second voltage generating unit is selected depending on the electric power supply capability of the battery.Type: GrantFiled: March 13, 2012Date of Patent: October 13, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Seiichiro Horikawa, Koji Akita, Hideo Kasami
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Patent number: 9141781Abstract: According to one embodiment, a card device includes an authentication unit, a wireless communication unit, and a control unit. The authentication unit performs an authentication process with an external device via wired communication. The wireless communication unit performs wireless communication with the external device. The control unit controls the wireless communication unit to reduce radio waves radiated from the wireless communication unit when the control unit detects that the authentication process is being performed.Type: GrantFiled: March 8, 2012Date of Patent: September 22, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Koji Akita, Seiichiro Horikawa, Hideo Kasami
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Publication number: 20150253404Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a wireless communication unit, a radio frequency (RF) coil, and a specifying unit. The wireless communication unit includes an antenna and that transmits and receives a wireless signal through the antenna. The RF coil includes one or more antennas and that receives the wireless signal and to respond to the received wireless signal through the one or more antennas. The specifying unit that specifies the position and the orientation of the RF coil on the basis of a response result indicated by the response from the RF coil.Type: ApplicationFiled: February 24, 2015Publication date: September 10, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Sadanori TOMIHA, Koji Akita, Hideo Kasami, Kazuya Okamoto
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Publication number: 20150253394Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a radio frequency coil and a control signal transmitting unit. The radio frequency coil is that receives a magnetic resonance signal emitted from a patient as a result of an application of a radio frequency magnetic field thereto and to transmit the received magnetic resonance signal via a wireless communication. The control signal transmitting unit that transmits control information that collectively defines operations to be performed by the radio frequency coil during a predetermined repetition time period, to the radio frequency coil via a wireless communication, prior to the start of the operations performed during the predetermined repetition time period. Further, the radio frequency coil that receives the control information via a wireless communication and to perform the operations on the basis of the received control information.Type: ApplicationFiled: February 19, 2015Publication date: September 10, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Sadanori TOMIHA, Koji AKITA, Hideo KASAMI, Kazuya OKAMOTO
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Publication number: 20150063341Abstract: A wireless communication apparatus supports at least a second wireless communication scheme between a first wireless communication scheme and the second wireless communication scheme. The first wireless communication scheme requires that a wireless medium is determined to be busy when a reception level is equal to or greater than a minimum reception sensitivity level of a physical scheme. The apparatus includes a first processing unit and a second processing unit. The first processing unit is configured to set a value lower than a maximum transmission power of the first wireless communication scheme, for a maximum transmission power of the second wireless communication scheme and set a value greater than the minimum reception sensitivity level of the physical scheme, for a carrier sense level, when the second wireless communication scheme is used. The second processing unit is configured to carry out carrier sense using the carrier sense level.Type: ApplicationFiled: November 10, 2014Publication date: March 5, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tomoko ADACHI, Koichiro BAN, Tomoya TANDAI, Hideo KASAMI
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Patent number: 8970445Abstract: There is provided a radio device including an antenna, a first impedance converting circuit, a second impedance converting circuit and a differential output unit. The antenna has a first terminal and a second terminal to receive a signal. The first impedance converting circuit and the second impedance converting circuit have a first impedance and a second impedance, respectively. The first impedance and the second impedance each are controllable. One end of the first impedance converting circuit and one end of the second impedance converting circuit are connected to the first terminal and the second terminal of the antenna, respectively. The differential output unit is connected to the other end of the first impedance converting circuit and the other end of the second impedance converting circuit through which the signal received by the antenna is input to the differential output unit, and transform the signal into a differential signal.Type: GrantFiled: February 16, 2012Date of Patent: March 3, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Toshiya Mitomo, Yukako Tsutsumi, Hideo Kasami
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Patent number: 8897282Abstract: According to embodiments, a wireless communication apparatus supports at least a second wireless communication scheme between a first, wireless communication scheme and the second wireless communication scheme. The first wireless communication scheme requires that a wireless medium is determined to be busy when a reception level is equal to or greater than a minimum reception sensitivity level of physical scheme. The apparatus includes a first processing unit and a second processing unit. The first processing unit is configured to set a value lower than a maximum transmission power of the first wireless communication scheme, for a maximum transmission power of the second wireless communication scheme and set a value greater than the minimum reception sensitivity level, of the physical scheme, for a carrier sense level, when the second wireless communication scheme is used. The second processing unit is configured to carry out carrier sense using the carrier sense level.Type: GrantFiled: September 1, 2011Date of Patent: November 25, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Tomoko Adachi, Koichiro Ban, Tomoya Tandai, Hideo Kasami
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Patent number: 8831153Abstract: According to one embodiment, a quadrature error compensating circuit for acquiring an in-phase component signal and a quadrature component signal, includes a first filter, a first multiplier, a first subtractor, a second filter, a correlation calculating circuit. The first multiplier multiplies the in-phase component signal by a control value. The correlation calculating circuit calculates a cross-correlation value between an output of the first filter and an output of the second filter, and uses the cross-correlation value as the control value.Type: GrantFiled: December 21, 2012Date of Patent: September 9, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Hidenori Okuni, Junya Matsuno, Hideo Kasami, Tsuyoshi Kogawa
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Publication number: 20140172626Abstract: A recommendation-information providing apparatus has an activity-history collecting part to collect activity histories of at least one of a first user and or a second user associated with the first user, a recommendation-information extracting part to extract recommendation information to be recommended to the first user, a recommendation-information providing part to provide the second user with the extracted recommendation information, a reservation accepting part to accept recommendation information for which the second user has performed a purchase reservation among the provided recommendation information, a purchase-intention confirming part to confirm a purchase intention of the first user by providing the first user with the accepted recommendation information, and a settlement processing part to perform a settlement process with the first user.Type: ApplicationFiled: December 11, 2013Publication date: June 19, 2014Inventors: Takayoshi ITO, Tetsuya KAISE, Hideo KASAMI
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Patent number: 8552784Abstract: A semiconductor integrated circuit according to an embodiment includes a clock signal generation section, a clock waveform shaping section and a plurality of function blocks. The clock signal generation section generates a clock signal of a predetermined frequency. The clock waveform shaping section generates a plurality of clock signals having the same phase as a phase of the clock signal generated by the clock signal generation section at rising edges and different phases at falling edges. Each of the plurality of function blocks has a plurality of flip flops that operate with any one of the plurality of clock signals generated by the clock waveform shaping section.Type: GrantFiled: September 19, 2011Date of Patent: October 8, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Toshio Fujisawa, Hideo Kasami
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Publication number: 20130243129Abstract: According to one embodiment, a quadrature error compensating circuit for acquiring an in-phase component signal and a quadrature component signal, includes a first filter, a first multiplier, a first subtractor, a second filter, a correlation calculating circuit. The first multiplier multiplies the in-phase component signal by a control value. The correlation calculating circuit calculates a cross-correlation value between an output of the first filter and an output of the second filter, and uses the cross-correlation value as the control value.Type: ApplicationFiled: December 21, 2012Publication date: September 19, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hidenori OKUNI, Junya MATSUNO, Hideo KASAMI, Tsuyoshi KOGAWA
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Publication number: 20130203360Abstract: A wireless communication device has a plurality of wireless units each configured to cover a different wireless communication range and be capable of receiving data in the corresponding wireless communication range, a status information generator provided corresponding to the wireless unit utilized to receive data among the plurality of wireless units, in order to generate status information concerning the wireless communication range of the wireless unit utilized to receive the data, and a storage configured to store the status information in association with the data.Type: ApplicationFiled: November 21, 2012Publication date: August 8, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koji AKITA, Takayoshi ITO, Seiichiro HORIKAWA, Hideo KASAMI
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Patent number: 8502540Abstract: A magnetic resonance imaging apparatus includes a probe unit and a control/imaging unit. The probe unit includes a converter converting a sampled magnetic-resonance signal into a digital signal, a first transmitter converting the digital signal into a first-radio signal, a first receiver receiving and performing detection on the second-radio signal to obtain a first-received signal, and a clock-regeneration unit regenerating a clock component from the first-received signal to generate a regenerated-clock signals. The control/imaging unit includes a second-receiver receiving the first-radio signal to obtain a second-received signal, a data processor performing data processing on the second-received signal in synchronism with a reference-clock signal to obtain a video signal, and a second transmitter which modulates a carrier wave using the reference-clock signal, converts the reference-clock signal into the second-radio signal, and transmits the second-radio signal through the second-wireless channel.Type: GrantFiled: November 9, 2009Date of Patent: August 6, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Toshiyuki Nakanishi, Koji Akita, Hideo Kasami, Takahiro Sekiguchi
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Publication number: 20130016017Abstract: According to an embodiment, a card device connected to a device includes a wireless communication unit configured to make wireless communication. The wireless communication unit includes an antenna configured to be arranged therein as being apart from at least one of side faces of the card device by a distance corresponding to not less than a wavelength of a wireless signal that is emitted from the wireless communication unit.Type: ApplicationFiled: March 9, 2012Publication date: January 17, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koji AKITA, Seiichiro Horikawa, Hideo Kasami
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Publication number: 20130015913Abstract: In an embodiment, an electronic apparatus is mounted with a card unit including first and second devices driven with different driving voltages. The electronic apparatus includes: first and second voltage generating units, first and second control units. The first voltage generating unit generates a first driving voltage for driving the first device and a second driving voltage for driving the second device using electric power from the battery. The second voltage generating unit generates the first driving voltage and second driving voltage using electric power transmitted from the external device. The first control unit controls the first selection unit such that any one of the first driving voltage generated by the first voltage generating unit and the first driving voltage generated by the second voltage generating unit is selected depending on the electric power supply capability of the battery.Type: ApplicationFiled: March 13, 2012Publication date: January 17, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Seiichiro HORIKAWA, Koji Akita, Hideo Kasami
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Publication number: 20130015948Abstract: According to one embodiment, a card device includes an authentication unit, a wireless communication unit, and a control unit. The authentication unit performs an authentication process with an external device via wired communication. The wireless communication unit performs wireless communication with the external device. The control unit controls the wireless communication unit to reduce radio waves radiated from the wireless communication unit when the control unit detects that the authentication process is being performed.Type: ApplicationFiled: March 8, 2012Publication date: January 17, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koji AKITA, Seiichiro HORIKAWA, Hideo KASAMI
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Publication number: 20130014268Abstract: According to one embodiment, a storage device includes a connector configured to be connected to an equipment; a wireless communication unit configured to transmit and receive data through wireless communication; an identification unit configured to identify the equipment connected to the connector; a storage unit configured to include, for each identified equipment, a restricted area accessible only by the identified equipment; and a controller configured to control the storage unit such that the data, which is received by the wireless communication unit when the equipment is connected to the connector, is written in the restricted area for the connected equipment.Type: ApplicationFiled: March 9, 2012Publication date: January 10, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koji AKITA, Seiichiro HORIKAWA, Hideo KASAMI