Patents by Inventor Naoyuki Wakabayashi

Naoyuki Wakabayashi 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: 20200325008
    Abstract: The lifting/lowering device (100) includes: a first plate member (51); a second plate member (52) to which the first plate member (51) is rotatably connected; a first expansion and contraction bag (31) which is disposed between the first plate member (51) and the second plate member (52) and is capable of expanding and contracting by gas supply and exhaust; a third plate member (53) to which the second plate member (52) is rotatably connected; a second expansion and contraction bag which is disposed between the second plate member (52) and the third plate member (53) and is capable of expanding and contracting by gas supply and exhaust. The first plate member (51), the first expansion and contraction bag (31), the second plate member (52), the second expansion and contraction bag (32) and the third plate member (53) are disposed so as to overlap in a plan view.
    Type: Application
    Filed: March 12, 2020
    Publication date: October 15, 2020
    Applicant: FUNAI ELECTRIC CO., LTD.
    Inventors: NAOYUKI WAKABAYASHI, FUMINORI TANAKA, JUN SUGIMOTO
  • Patent number: 10367375
    Abstract: A power supply apparatus includes a power supply unit that supplies power from a power source to a power receiving apparatus, a power acquisition unit that acquires a power value of power from the power source upon detecting another power receiving apparatus, and a controller that determines whether to supply the power from the power source to the another power receiving apparatus based on the power value.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: July 30, 2019
    Assignee: Funai Electric Co., LTD.
    Inventors: Takafumi Nishikawa, Naoyuki Wakabayashi, Yuzuru Hashimoto
  • Patent number: 10312814
    Abstract: A power source apparatus for supplying power to a load includes a switch and a controller. The controller detects voltage applied to the switch. The controller further switches a state of the switch from OFF to ON when the detected voltage is equal to or smaller than a predetermined threshold value.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: June 4, 2019
    Assignee: Funai Electric Co., LTD.
    Inventors: Naoyuki Wakabayashi, Takafumi Nishikawa, Koji Ohira
  • Patent number: 10270290
    Abstract: A power supply device includes a power supply portion, a power supply coil portion having a first end connected to the power supply portion and a second end connected to ground, and a counter wound coil portion that faces the power supply coil portion, the winding direction of which is opposite to that of the power supply coil portion, and the counter wound coil portion has an opened first end and a second end connected to ground.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: April 23, 2019
    Assignee: Funai Electric Co., Ltd.
    Inventors: Takafumi Nishikawa, Naoyuki Wakabayashi
  • Patent number: 10256667
    Abstract: The invention provides a power supplying device, which includes a first coil; and a second coil, which is wound to be substantially line symmetrical to the first coil with respect to a center line, wherein the center line is an axis passing through a winding center of the first coil. A ground point of the first coil and the second coil is disposed further inside than an outermost winding of the first coil.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: April 9, 2019
    Assignee: FUNAI ELECTRIC CO., LTD.
    Inventors: Naoyuki Wakabayashi, Hideki Tanabe
  • Patent number: 10205347
    Abstract: A power supply device that is capable of suppressing complexity of the circuit structure and increasing in the substrate area for the impedance adjustment configuration is provided. The power supply device includes a power supply antenna, supplying a power to a power receiving device, a reactance adjustment part, adjusting a reactance of the power supply antenna; a power source, supplying a voltage to the power supply antenna; and a controller, controlling the reactance adjustment part and the voltage of the power source.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: February 12, 2019
    Assignee: FUNAI ELECTRIC CO., LTD.
    Inventors: Takafumi Nishikawa, Naoyuki Wakabayashi
  • Patent number: 10135297
    Abstract: A wireless power feeder includes a plurality of coils and a controller that determines a first coil from the plurality of coils based on power transmitted from each of the plurality of coils to an external apparatus. The first coil receives power from a power source.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: November 20, 2018
    Assignee: Funai Electric Co., Ltd.
    Inventor: Naoyuki Wakabayashi
  • Patent number: 9985698
    Abstract: A communication device includes an antenna, at least one magnetic field sensor, a communication component, and a controller. The antenna generates a magnetic field and communicates with an external device that generates a magnetic field during communication. The at least one magnetic field sensor includes a pair of sensor elements. The at least one magnetic field sensor detects magnetic field strength by receiving the magnetic field of the antenna and the magnetic field of the external device. The communication component communicates with the external device via the antenna. The controller processes output signal indicative of the magnetic field strength detected by the at least one magnetic field sensor. A component of the magnetic field of the antenna in the output signal is suppressed.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: May 29, 2018
    Assignee: FUNAI ELECTRIC CO., LTD.
    Inventors: Naoyuki Wakabayashi, Norito Tsujimoto
  • Publication number: 20180131280
    Abstract: A power source apparatus for supplying power to a load includes a switch and a controller. The controller detects voltage applied to the switch. The controller further switches a state of the switch from OFF to ON when the detected voltage is equal to or smaller than a predetermined threshold value.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 10, 2018
    Applicant: Funai Electric Co., Ltd.
    Inventors: Naoyuki Wakabayashi, Takafumi Nishikawa, Koji Ohira
  • Patent number: 9905358
    Abstract: A contactless power feeding apparatus includes a power source portion, a power feeding coil, and a power feeding apparatus side control portion, and the power feeding apparatus side control portion is configured to perform feeding voltage control in order to control the feeding voltage value of the power source portion on the basis of a coupling coefficient such that power transmission efficiency to a power receiving apparatus including a power receiving coil is in the vicinity of a maximum.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: February 27, 2018
    Assignee: Funai Electric Co., Ltd.
    Inventor: Naoyuki Wakabayashi
  • Patent number: 9866034
    Abstract: This power transfer unit includes a power supply portion and a control portion, and the control portion acquires proper voltage ranges of a plurality of receivers and sets a supply voltage value in a common range among the proper voltage ranges.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: January 9, 2018
    Assignee: Funai Electric Co., Ltd.
    Inventors: Takao Michisaka, Naoyuki Wakabayashi
  • Patent number: 9812254
    Abstract: A non-contact communication coil for a non-contact power feeding device comprises a power transmission coil, a power receiving coil, and a resonance coil, and the non-contact communication coil includes a first receiver and a second receiver connected in series with the first receiver. The non-contact communication coil generates induction voltages in mutually opposing directions in the first receiver and the second receiver when current passes through at least one of the power transmission coil and the power receiving coil.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: November 7, 2017
    Assignee: Funai Electric Co., Ltd.
    Inventor: Naoyuki Wakabayashi
  • Publication number: 20170104371
    Abstract: The invention provides a power supplying device, which includes a first coil; and a second coil, which is wound to be substantially line symmetrical to the first coil with respect to a center line, wherein the center line is an axis passing through a winding center of the first coil. A ground point of the first coil and the second coil is disposed further inside than an outermost winding of the first coil.
    Type: Application
    Filed: October 11, 2016
    Publication date: April 13, 2017
    Applicant: FUNAI ELECTRIC CO., LTD.
    Inventors: NAOYUKI WAKABAYASHI, HIDEKI TANABE
  • Publication number: 20170063162
    Abstract: A power supply apparatus includes a power supply unit that supplies power from a power source to a power receiving apparatus, a power acquisition unit that acquires a power value of power from the power source upon detecting another power receiving apparatus, and a controller that determines whether to supply the power from the power source to the another power receiving apparatus based on the power value.
    Type: Application
    Filed: August 25, 2016
    Publication date: March 2, 2017
    Applicant: Funai Electric Co., Ltd.
    Inventors: Takafumi Nishikawa, Naoyuki Wakabayashi, Yuzuru Hashimoto
  • Publication number: 20170063155
    Abstract: A power supply device includes a power supply portion, a power supply coil portion having a first end connected to the power supply portion and a second end connected to ground, and a counter wound coil portion that faces the power supply coil portion, the winding direction of which is opposite to that of the power supply coil portion, and the counter wound coil portion has an opened first end and a second end connected to ground.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 2, 2017
    Inventors: Takafumi NISHIKAWA, Naoyuki WAKABAYASHI
  • Publication number: 20170012473
    Abstract: A power supply device that is capable of suppressing complexity of the circuit structure and increasing in the substrate area for the impedance adjustment configuration is provided. The power supply device includes a power supply antenna, supplying a power to a power receiving device, a reactance adjustment part, adjusting a reactance of the power supply antenna; a power source, supplying a voltage to the power supply antenna; and a controller, controlling the reactance adjustment part and the voltage of the power source.
    Type: Application
    Filed: July 7, 2016
    Publication date: January 12, 2017
    Applicant: FUNAI ELECTRIC CO., LTD.
    Inventors: TAKAFUMI NISHIKAWA, NAOYUKI WAKABAYASHI
  • Publication number: 20160352137
    Abstract: A wireless power feeder includes a plurality of coils and a controller that determines a first coil from the plurality of coils based on power transmitted from each of the plurality of coils to an external apparatus. The first coil receives power from a power source.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Applicant: Funai Electric Co., Ltd.
    Inventor: Naoyuki Wakabayashi
  • Patent number: 9438068
    Abstract: A non-contact power feeder includes a plurality of power transmission coils disposed along a disposition surface, wherein a power receiving device that houses a power reception coil is disposed on the disposition surface, and a controller that determines a first traveling wave power, from among a plurality of traveling wave powers, that feeds the power transmission coil corresponding to the power receiving device based on a state of change of at least one of: actual transmitted power, from the plurality of traveling wave powers, transmitted from the plurality of power transmission coils to the power reception coil when power transmitted to the plurality of power transmission coils is changed, and reactive power, from the plurality of traveling wave powers, not transmitted from the power transmission coil to the power reception coil when the power transmitted to the plurality of power transmission coils is changed.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: September 6, 2016
    Assignee: Funai Electric Co., Ltd.
    Inventor: Naoyuki Wakabayashi
  • Publication number: 20160142112
    Abstract: A communication device includes an antenna, at least one magnetic field sensor, a communication component, and a controller. The antenna generates a magnetic field and communicates with an external device that generates a magnetic field during communication. The at least one magnetic field sensor includes a pair of sensor elements. The at least one magnetic field sensor detects magnetic field strength by receiving the magnetic field of the antenna and the magnetic field of the external device. The communication component communicates with the external device via the antenna. The controller processes output signal indicative of the magnetic field strength detected by the at least one magnetic field sensor. A component of the magnetic field of the antenna in the output signal is suppressed.
    Type: Application
    Filed: January 20, 2016
    Publication date: May 19, 2016
    Inventors: Naoyuki WAKABAYASHI, Norito TSUJIMOTO
  • Patent number: 9264105
    Abstract: A communication device includes a sensor, an antenna, and a notification component. The sensor is configured to detect magnetic field strength. The antenna is configured to generate a magnetic field. The antenna is further configured to communicate with a wireless device that is configured to generate a magnetic field during communication. The notification component is configured to notify a positional offset between the antenna and the wireless device based on output signal indicative of the magnetic field strength. The sensor is arranged with respect to the antenna such that an effect of the magnetic field generated by the antenna on the output signal is suppressed.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: February 16, 2016
    Assignee: FUNAI ELECTRIC CO., LTD.
    Inventors: Naoyuki Wakabayashi, Norito Tsujimoto