Patents by Inventor Toru Terashima
Toru Terashima 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: 9831688Abstract: A power feeding apparatus is provided. The power feeding apparatus includes a power feeding unit configured to supply electric power to a power receiving apparatus through a magnetic field; a measuring unit configured to measure an electric characteristic value and to generate a measurement value; a power receiving unit configured to provide a set value; and a foreign substance detection unit configured to detect a foreign substance in the magnetic field based on the set value and the measurement value. A power receiving apparatus, a power feeding system, and a method of controlling power feeding are also provided.Type: GrantFiled: August 19, 2014Date of Patent: November 28, 2017Assignee: Sony CorporationInventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen, Osamu Kozakai, Kenichi Fujimaki
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Publication number: 20170302113Abstract: A power feeding apparatus is provided. The power feeding apparatus includes a power feeding unit configured to supply electric power to a power receiving apparatus through a magnetic field; a measuring unit configured to measure an electric characteristic value and to generate a measurement value; a power receiving unit configured to provide a set value; and a foreign substance detection unit configured to detect a foreign substance in the magnetic field based on the set value and the measurement value. A power receiving apparatus, a power feeding system, and a method of controlling power feeding are also provided.Type: ApplicationFiled: June 30, 2017Publication date: October 19, 2017Inventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen, Osamu Kozakai, Kenichi Fujimaki
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Patent number: 9699423Abstract: In a projector, a reflection mirror configured to reflect light emitted from a discharge lamp is disposed on a first end of a discharge lamp main body, a first electrode is disposed on the first end side, each of a first AC period and a second AC period alternately includes a first polarity period in which the first electrode serves as an anode and a second polarity period in which a second electrode serves as an anode, a controller causes a period to transition from the first AC period to the second AC period in a case where an input reception unit receives a stop operation on the projector, and an absolute value of a driving current of the second polarity period in the second AC period is greater than an absolute value of the driving current of the second polarity period in the first AC period.Type: GrantFiled: February 24, 2016Date of Patent: July 4, 2017Assignee: SEIKO EPSON CORPORATIONInventors: Junichi Suzuki, Toru Terashima
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Publication number: 20170012462Abstract: An electronic unit includes: an electricity reception section configured to receive power fed from a power feeding unit using a magnetic field; a voltage detection section configured to detect a received voltage supplied from the electricity reception section; and a control section, wherein while preliminary power feeding at a lower power than main power feeding is performed from the power feeding unit, and when a received voltage detected by the voltage detection section is equal to or higher than a predetermined threshold voltage, the control section performs voltage reduction control so as to decrease the received voltage to lower than the threshold voltage.Type: ApplicationFiled: September 23, 2016Publication date: January 12, 2017Inventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen
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Publication number: 20160344239Abstract: An electronic unit includes: a power receiving section configured to receive electric power fed from a feed unit by using a magnetic field; and a control section configured to perform, when a receiving current supplied from the power receiving section is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more.Type: ApplicationFiled: August 8, 2016Publication date: November 24, 2016Inventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen, Shinichi Fukuda
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Patent number: 9455594Abstract: An electronic unit includes: an electricity reception section configured to receive power fed from a power feeding unit using a magnetic field; a voltage detection section configured to detect a received voltage supplied from the electricity reception section; and a control section, wherein while preliminary power feeding at a lower power than main power feeding is performed from the power feeding unit, and when a received voltage detected by the voltage detection section is equal to or higher than a predetermined threshold voltage, the control section performs voltage reduction control so as to decrease the received voltage to lower than the threshold voltage.Type: GrantFiled: March 14, 2014Date of Patent: September 27, 2016Assignee: Sony CorporationInventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen
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Patent number: 9455593Abstract: An electronic unit includes: a power receiving section configured to receive electric power fed from a feed unit by using a magnetic field; and a control section configured to perform, when a receiving current supplied from the power receiving section is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more.Type: GrantFiled: March 14, 2014Date of Patent: September 27, 2016Assignee: Sony CorporationInventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen, Shinichi Fukuda
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Publication number: 20160261833Abstract: In a projector, a reflection mirror configured to reflect light emitted from a discharge lamp is disposed on a first end of a discharge lamp main body, a first electrode is disposed on the first end side, each of a first AC period and a second AC period alternately includes a first polarity period in which the first electrode serves as an anode and a second polarity period in which a second electrode serves as an anode, a controller causes a period to transition from the first AC period to the second AC period in a case where an input reception unit receives a stop operation on the projector, and an absolute value of a driving current of the second polarity period in the second AC period is greater than an absolute value of the driving current of the second polarity period in the first AC period.Type: ApplicationFiled: February 24, 2016Publication date: September 8, 2016Applicant: SEIKO EPSON CORPORATIONInventors: Junichi SUZUKI, Toru TERASHIMA
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Publication number: 20160248279Abstract: A power feeding apparatus is provided. The power feeding apparatus includes a power feeding unit configured to supply electric power to a power receiving apparatus through a magnetic field; a measuring unit configured to measure an electric characteristic value and to generate a measurement value; a power receiving unit configured to provide a set value; and a foreign substance detection unit configured to detect a foreign substance in the magnetic field based on the set value and the measurement value. A power receiving apparatus, a power feeding system, and a method of controlling power feeding are also provided.Type: ApplicationFiled: March 31, 2016Publication date: August 25, 2016Inventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen, Osamu Kozakai, Kenichi Fujimaki
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Publication number: 20160164302Abstract: A power feeding apparatus is provided. The power feeding apparatus includes a power feeding unit configured to supply electric power to a power receiving apparatus through a magnetic field; a measuring unit configured to measure an electric characteristic value and to generate a measurement value; a power receiving unit configured to provide a set value; and a foreign substance detection unit configured to detect a foreign substance in the magnetic field based on the set value and the measurement value. A power receiving apparatus, a power feeding system, and a method of controlling power feeding are also provided.Type: ApplicationFiled: August 19, 2014Publication date: June 9, 2016Inventors: Hiroaki NAKANO, Toru TERASHIMA, Keigo BUNSEN, Osamu KOZAKAI, Kenichi FUJIMAKI
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Publication number: 20140300314Abstract: An electronic unit includes: a power receiving section configured to receive electric power fed from a feed unit by using a magnetic field; and a control section configured to perform, when a receiving current supplied from the power receiving section is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more.Type: ApplicationFiled: March 14, 2014Publication date: October 9, 2014Applicant: SONY CORPORATIONInventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen, Shinichi Fukuda
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Publication number: 20140300189Abstract: An electronic unit includes: an electricity reception section configured to receive power fed from a power feeding unit using a magnetic field; a voltage detection section configured to detect a received voltage supplied from the electricity reception section; and a control section, wherein while preliminary power feeding at a lower power than main power feeding is performed from the power feeding unit, and when a received voltage detected by the voltage detection section is equal to or higher than a predetermined threshold voltage, the control section performs voltage reduction control so as to decrease the received voltage to lower than the threshold voltage.Type: ApplicationFiled: March 14, 2014Publication date: October 9, 2014Applicant: SONY CORPORATIONInventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen
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Patent number: 8782484Abstract: A transmission device includes a first conversion unit converting first transmission target data into first transmission data formed by N symbol values, with predetermined units of data, based on a first conversion table, a second conversion unit converting first error correction data into first symbol data formed by the a symbol values, based on a second conversion table, a third conversion unit converting second transmission target data into second symbol data formed by the (N-a) symbol values, based on a third conversion table, an addition and generation unit adding the second symbol data to the first symbol data and generating second transmission data formed by the N symbol values, and a transmission unit transmitting a transmission signal formed by the first and second transmission data.Type: GrantFiled: March 24, 2011Date of Patent: July 15, 2014Assignee: Sony CorporationInventor: Toru Terashima
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Patent number: 8467414Abstract: Disclosed herein is a communication control method employed by a communication apparatus that includes a primary communication interface and a plurality of relay communication interfaces and has a communication interface coupling function of transferring a transmission/reception frame of the primary communication interface through one of the plurality of relay communication interfaces. The method includes the steps of: acquiring traffic information concerning the primary communication interface; and dynamically varying a transfer allocation ratio between the plurality of relay communication interfaces based on the traffic information.Type: GrantFiled: March 2, 2011Date of Patent: June 18, 2013Assignee: Sony CorporationInventor: Toru Terashima
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Patent number: 8258988Abstract: Provided is an encoding apparatus including an encoding unit that converts, based on a first conversion rule group according to which a total value for a base-K symbol sequence is X and a second conversion rule group according to which the total value for the base-K symbol sequence is ?X among conversion rule groups for converting an L-bit bit sequence into the base-K symbol sequence (K>2) of N/2 symbol, an M-bit (M?2*L) bit sequence into the base-K symbol sequence of N symbols. When converting the M-bit bit sequence into the base-K symbol sequence of N symbols, the encoding unit converts a first-half N/2 symbol based on the first conversion rule group and converts a second-half N/2 symbol based on the second conversion rule group.Type: GrantFiled: October 21, 2010Date of Patent: September 4, 2012Assignee: Sony CorporationInventor: Toru Terashima
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Patent number: 8213532Abstract: In a provided information processing device, a first information processing module, within its transmission time segment, transmits an encoded signal in which mutually distinct first and second bit values are respectively expressed by pluralities of mutually distinct first amplitude values and second amplitude values, the same amplitude value not occurring consecutively and the amplitude value polarity being inverted with each cycle. Within a transmission time segment for a second information processing module, the first information processing module transmits a clock signal that corresponds to the cycle at which the polarity is inverted.Type: GrantFiled: June 12, 2009Date of Patent: July 3, 2012Assignee: Sony CorporationInventors: Kunio Fukuda, Toru Terashima
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Patent number: 8213456Abstract: Disclosed herein is a communications system that uses multiple transmission media, the system including: communications interface combining adapters connected via a power-line transmission path and a wireless transmission path between wireless LAN access points, each adapter having a power line communication interface and a wireless LAN interface, the wireless LAN interface having an access point function and an inter-access point communication function; wireless LAN terminals connected to the access points included in the adapters; and a wired LAN terminal connected to a wired LAN interface included in at least some of the adapters. Data transfer between the wireless LAN terminals or between one of the wireless LAN terminals and the wired LAN terminal is performed via a high-speed combined interface logically formed by using the power-line transmission path and inter-access point communication between the adapters to which the terminals participating in the data transfer are connected.Type: GrantFiled: April 10, 2008Date of Patent: July 3, 2012Assignee: Sony CorporationInventor: Toru Terashima
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Publication number: 20110246851Abstract: A transmission device includes a first conversion unit converting first transmission target data into first transmission data formed by N symbol values, with predetermined units of data, based on a first conversion table, a second conversion unit converting first error correction data into first symbol data formed by the a symbol values, based on a second conversion table, a third conversion unit converting second transmission target data into second symbol data formed by the (N-a) symbol values, based on a third conversion table, an addition and generation unit adding the second symbol data to the first symbol data and generating second transmission data formed by the N symbol values, and a transmission unit transmitting a transmission signal formed by the first and second transmission data.Type: ApplicationFiled: March 24, 2011Publication date: October 6, 2011Applicant: Sony CorporationInventor: Toru Terashima
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Patent number: 8010047Abstract: A radio communication system for transmitting voice or music data includes a data supplying source device for supplying the voice or music data, the data supplying source device having a reflector for transmitting a reflected wave signal obtained by modulating a received radio wave based on the data to be transmitted; and a data supply destination device for receiving the voice or music data, the data supply destination device having a reflected wave reader for transmitting an unmodulated carrier and for reading a reflected wave signal resulting from modulation of the unmodulated carrier. The voice or music data is transmitted by reflected wave transmission between the data supplying source device and the data supply destination device.Type: GrantFiled: August 22, 2005Date of Patent: August 30, 2011Assignee: Sony CorporationInventor: Toru Terashima
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Publication number: 20110149996Abstract: Disclosed herein is a communication control method employed by a communication apparatus that includes a primary communication interface and a plurality of relay communication interfaces and has a communication interface coupling function of transferring a transmission/reception frame of the primary communication interface through one of the plurality of relay communication interfaces. The method includes the steps of: acquiring traffic information concerning the primary communication interface; and dynamically varying a transfer allocation ratio between the plurality of relay communication interfaces based on the traffic information.Type: ApplicationFiled: March 2, 2011Publication date: June 23, 2011Applicant: Sony CorporationInventor: Toru Terashima