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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1
EP3470886B1
POWER FEEDING APPARATUS
Publication/Patent Number: EP3470886B1 Publication Date: 2021-02-17 Application Number: 18208633.0 Filing Date: 2014-08-19 Inventor: Nakano, Hiroaki   Terashima, Toru   Bunsen, Keigo   Kozakai, Osamu   Fujimaki, Kenichi   Assignee: Sony Corporation   IPC: G01V3/10
2
EP3779794A1
NON-CONTACT COMMUNICATION MEDIUM, DRIVING METHOD THEREOF, AND RECORDING MEDIUM CARTRIDGE
Publication/Patent Number: EP3779794A1 Publication Date: 2021-02-17 Application Number: 19784778.3 Filing Date: 2019-03-19 Inventor: Ono, Kazutoshi   Terashima, Toru   Fujita, Hiroaki   Nakano, Hiroaki   Maeda, Hideo   Shigyo, Nobuhiko   Assignee: Sony Semiconductor Solutions Corporation   IPC: G06K19/07 Abstract: A non-contact communication medium according to an embodiment of the present technology includes: a memory unit; a power generation unit; a power monitoring unit; and a capacitance control unit. The memory unit stores predetermined management information. The power generation unit includes a resonant circuit and a rectification circuit, and generates electric power to be supplied to the memory unit, the resonant circuit including an antenna coil and resonant capacitance unit having a variable capacitance value, the rectification circuit rectifying a resonant output of the resonant circuit. The power monitoring unit includes a current adjustment element, a reference voltage generation source, and an operational amplifier, the current adjustment element being connected in parallel to the rectification circuit with respect to the resonant circuit and having a variable resistance value, the reference voltage generation source generating a reference voltage, the operational amplifier controlling the current adjustment element such that an output voltage of the rectification circuit is equal to the reference voltage. The capacitance control unit is configured to control the resonant capacitance unit on the basis of an output of the operational amplifier.
3
US2021012174A1
NON-CONTACT COMMUNICATION MEDIUM, DRIVING METHOD THEREFOR, AND RECORDING MEDIUM CARTRIDGE
Publication/Patent Number: US2021012174A1 Publication Date: 2021-01-14 Application Number: 16/977,958 Filing Date: 2019-03-19 Inventor: Ono, Kazutoshi   Terashima, Toru   Fujita, Hiroaki   Nakano, Hiroaki   Maeda, Hideo   Shigyo, Nobuhiko   Assignee: Sony Semiconductor Solutions Corporation   IPC: G06K19/07 Abstract: A non-contact communication medium according to one disclosed embodiment includes a memory unit, a power generation unit, a power monitoring unit, and a capacitance control unit. The power generation unit includes a resonant circuit and a rectification circuit, and generates electric power to be supplied to the memory unit. The resonant circuit includes an antenna coil and resonant capacitance unit having a variable capacitance value, and the rectification circuit rectifies a resonant output of the resonant circuit. The power monitoring unit includes a current adjustment element, a reference voltage generation source, and an operational amplifier. The operational amplifier controls the current adjustment element such that an output voltage of the rectification circuit is equal to a reference voltage from the reference voltage generation source. The capacitance control unit is configured to control the resonant capacitance unit on the basis of an output of the operational amplifier.
4
US10547213B2
Electronic unit and feed system
Publication/Patent Number: US10547213B2 Publication Date: 2020-01-28 Application Number: 16/002,264 Filing Date: 2018-06-07 Inventor: Nakano, Hiroaki   Terashima, Toru   Bunsen, Keigo   Fukuda, Shinichi   Assignee: Sony Corporation   IPC: H01M10/46 Abstract: 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.
5
US10833538B2
Electronic unit and power feeding system
Publication/Patent Number: US10833538B2 Publication Date: 2020-11-10 Application Number: 16/382,721 Filing Date: 2019-04-12 Inventor: Nakano, Hiroaki   Terashima, Toru   Bunsen, Keigo   Assignee: Sony Corporation   IPC: H02J50/12 Abstract: 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.
6
US2020136437A1
ELECTRONIC UNIT AND FEED SYSTEM
Publication/Patent Number: US2020136437A1 Publication Date: 2020-04-30 Application Number: 16/725,515 Filing Date: 2019-12-23 Inventor: Nakano, Hiroaki   Terashima, Toru   Bunsen, Keigo   Fukuda, Shinichi   Assignee: Sony Corporation   IPC: H02J50/12 Abstract: 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.
7
US10862594B2
Communication apparatus and communication system
Publication/Patent Number: US10862594B2 Publication Date: 2020-12-08 Application Number: 16/307,190 Filing Date: 2017-05-16 Inventor: Tanaka, Katsuyuki   Kondo, Fumitaka   Jeong, Moonjae   Terashima, Toru   Nishiyama, Fumihiro   Assignee: SONY CORPORATION   IPC: H04B13/00 Abstract: A communication system includes one or more communication apparatuses, each including a transmission circuit and a reception circuit. The transmission circuit includes a transmission unit and a signal generator. The transmission unit transmits one of a first transmission signal including first transmission data or a second transmission signal including at least one of a periodic signal with a constant frequency or a narrow band modulation signal having lower speed than the first transmission data. The signal generator generates the second transmission signal. The reception circuit includes a reception unit that receives the first transmission signal and the second transmission signal a narrow band detector that outputs a narrow band detection signal through detecting the second transmission signal in a narrow band, and a determination unit that determines presence of a significant signal or presence of significant signal change in the narrow band detection signal and outputs a determination signal.
8
US10312741B2
Electronic unit and power feeding system
Publication/Patent Number: US10312741B2 Publication Date: 2019-06-04 Application Number: 15/817,656 Filing Date: 2017-11-20 Inventor: Nakano, Hiroaki   Terashima, Toru   Bunsen, Keigo   Assignee: Sony Corporation   IPC: H02J50/12 Abstract: 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.
9
US2019238005A1
ELECTRONIC UNIT AND POWER FEEDING SYSTEM
Publication/Patent Number: US2019238005A1 Publication Date: 2019-08-01 Application Number: 16/382,721 Filing Date: 2019-04-12 Inventor: Bunsen, Keigo   Terashima, Toru   Nakano, Hiroaki   Assignee: Sony Corporation   IPC: H02J7/02 Abstract: 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.
10
EP3474468A1
COMMUNICATION APPARATUS, AND COMMUNICATION SYSTEM
Publication/Patent Number: EP3474468A1 Publication Date: 2019-04-24 Application Number: 17815060.3 Filing Date: 2017-05-16 Inventor: Tanaka, Katsuyuki   Kondo, Fumitaka   Jeong, Moonjae   Terashima, Toru   Nishiyama, Fumihiro   Assignee: Sony Corporation   IPC: H04B13/00 Abstract: A communication system of the present disclosure includes one or more communication apparatuses, each of which includes: a transmission circuit including a transmission unit and a signal generator, the transmission unit that selectively transmits, via an antenna unit, one of a first transmission signal including first transmission data or a second transmission signal including at least one of a periodic signal with a constant frequency or a narrow band modulation signal by data having lower speed than the first transmission data, and the signal generator that generates the second transmission signal; and a reception circuit including a reception unit, a narrow band detector, and a determination unit, the reception unit that receives the first transmission signal and the second transmission signal via the antenna unit, the narrow band detector that outputs a narrow band detection signal through detecting the second transmission signal in a narrow band, and the determination unit that determines presence or absence of a significant signal or presence or absence of significant signal change in the narrow band detection signal and outputs a determination signal.
11
US2019132059A1
COMMUNICATION APPARATUS AND COMMUNICATION SYSTEM
Publication/Patent Number: US2019132059A1 Publication Date: 2019-05-02 Application Number: 16/307,190 Filing Date: 2017-05-16 Inventor: Tanaka, Katsuyuki   Kondo, Fumitaka   Jeong, Moonjae   Terashima, Toru   Nishiyama, Fumihiro   Assignee: SONY CORPORATION   IPC: H04B13/00 Abstract: A communication system of the present disclosure includes one or more communication apparatuses, each of which includes: a transmission circuit including a transmission unit and a signal generator, the transmission unit that selectively transmits, via an antenna unit, one of a first transmission signal including first transmission data or a second transmission signal including at least one of a periodic signal with a constant frequency or a narrow band modulation signal by data having lower speed than the first transmission data, and the signal generator that generates the second transmission signal; and a reception circuit including a reception unit, a narrow band detector, and a determination unit, the reception unit that receives the first transmission signal and the second transmission signal via the antenna unit, the narrow band detector that outputs a narrow band detection signal through detecting the second transmission signal in a narrow band, and the determination unit that determines presence or absence of a significant signal or presence or absence of significant signal change in the narrow band detection signal and outputs a determination signal.
12
EP3470886A1
POWER FEEDING APPARATUS
Publication/Patent Number: EP3470886A1 Publication Date: 2019-04-17 Application Number: 18208633.0 Filing Date: 2014-08-19 Inventor: Nakano, Hiroaki   Terashima, Toru   Bunsen, Keigo   Kozakai, Osamu   Fujimaki, Kenichi   Assignee: Sony Corporation   IPC: G01V3/10 Abstract: 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.
13
WO2019198438A1
NON-CONTACT COMMUNICATION MEDIUM, DRIVING METHOD THEREOF, AND RECORDING MEDIUM CARTRIDGE
Publication/Patent Number: WO2019198438A1 Publication Date: 2019-10-17 Application Number: 2019011397 Filing Date: 2019-03-19 Inventor: Fujita, Hiroaki   Terashima, Toru   Nakano, Hiroaki   Shigyo, Nobuhiko   Ono, Kazutoshi   Maeda, Hideo   Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION   IPC: G11B23/30 Abstract: A non-contact communication medium according to an embodiment of the present technology is provided with a memory unit, a power generating unit, a power monitoring unit, and a capacity control unit. The memory unit stores predetermined management information. The power generating unit has: a resonance circuit which has an antenna coil and a resonance capacity unit having a variable capacity value; and a rectification circuit which rectifies a resonance output of the resonance circuit, and generates power to be supplied to the memory unit. The power monitoring unit has: a current adjusting element which is connected in parallel to the rectification circuit with respect to the resonance circuit and has a variable resistance value; a reference voltage generating source which generates a reference voltage; and an operational amplifier which controls the current adjusting element such that the output voltage of the rectification circuit becomes equal to the reference voltage. The capacity control unit is configured to control the resonance capacity unit on the basis of the output of the operational amplifier.
14
US201876669A1
ELECTRONIC UNIT AND POWER FEEDING SYSTEM
Publication/Patent Number: US201876669A1 Publication Date: 2018-03-15 Application Number: 20/171,581 Filing Date: 2017-11-20 Inventor: Terashima, Toru   Nakano, Hiroaki   Terashima, Toru   Assignee: Sony Corporation   IPC: H02J7/02 Abstract: 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.
15
US9882417B2
Electronic unit and power feeding system
Publication/Patent Number: US9882417B2 Publication Date: 2018-01-30 Application Number: 15/273,859 Filing Date: 2016-09-23 Inventor: Terashima, Toru   Nakano, Hiroaki   Terashima, Toru   Assignee: Sony Corporation   IPC: H02J50/10 Abstract: 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.
16
US2018006503A9
POWER FEEDING APPARATUS, POWER RECEIVING APPARATUS, POWER FEEDING SYSTEM, AND METHOD OF CONTROLLING POWER FEEDING
Publication/Patent Number: US2018006503A9 Publication Date: 2018-01-04 Application Number: 15/088,077 Filing Date: 2016-03-31 Inventor: Terashima, Toru   Nakano, Hiroaki   Kozakai, Osamu   Fujimaki, Kenichi   Terashima, Toru   Assignee: Sony Corporation   IPC: H02J50/60 Abstract: 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.
17
US9882437B2
Power feeding apparatus, power receiving apparatus, power feeding system, and method of controlling power feeding
Publication/Patent Number: US9882437B2 Publication Date: 2018-01-30 Application Number: 15/088,077 Filing Date: 2016-03-31 Inventor: Terashima, Toru   Nakano, Hiroaki   Kozakai, Osamu   Fujimaki, Kenichi   Terashima, Toru   Assignee: Sony Corporation   IPC: H04L25/49 Abstract: 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.
18
US10027176B2
Electronic unit and feed system
Publication/Patent Number: US10027176B2 Publication Date: 2018-07-17 Application Number: 15/230,878 Filing Date: 2016-08-08 Inventor: Fukuda, Shinichi   Bunsen, Keigo   Terashima, Toru   Nakano, Hiroaki   Assignee: Sony Corporation   IPC: H02J5/00 Abstract: 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.
19
US2018076669A1
ELECTRONIC UNIT AND POWER FEEDING SYSTEM
Publication/Patent Number: US2018076669A1 Publication Date: 2018-03-15 Application Number: 15/817,656 Filing Date: 2017-11-20 Inventor: Bunsen, Keigo   Terashima, Toru   Nakano, Hiroaki   Assignee: Sony Corporation   IPC: H02J50/60 Abstract: 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.