Patents by Inventor Tatsumi Yamauchi

Tatsumi Yamauchi 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).

  • Patent number: 10270613
    Abstract: Provided is a layout creation method for creating a layout of apparatuses disposed in a space (such as lighting devices, air conditioners, and switches). The layout creation method includes: obtaining reference coordinates through a portable terminal having a position sensing function; and for each of the apparatuses, obtaining position coordinates corresponding to the apparatus as coordinates relative to the reference coordinates through the portable terminal, and storing the position coordinates on the portable terminal in association with a type of the apparatus.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: April 23, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tatsumi Setomoto, Kentaro Yamauchi
  • Patent number: 10264655
    Abstract: A luminaire includes a light source; a storage for storing sound wave data which is predetermined; a microphone that detects sound; a communication circuit that communicates with a master controller; and a controller that performs pairing of the luminaire with the master controller via the communication circuit. The controller obtains sound wave data from the sound detected by the microphone, and performs the pairing when the sound wave data obtained matches the sound wave data stored in the storage.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: April 16, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Tatsumi Setomoto, Kentaro Yamauchi
  • Patent number: 10236976
    Abstract: A lighting device includes: a communication unit configured to wirelessly communicate with a wireless device provided externally; a command receiver that receives a command from outside; a light emitter including a light source; and a controller connected to the communication unit, the command receiver, and the light emitter. The command receiver receives a wireless device specifying command that specifies the wireless device with which the communication unit is to wirelessly communicate. The controller tests wireless communication with the wireless device via the communication unit based on the wireless device specifying command received, obtains communication reliability information regarding the reliability of the wireless communication, and causes the light emitter to perform at least one of flashing, dimming, and toning based on the communication reliability information obtained.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: March 19, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomokazu Yamamoto, Tatsumi Setomoto, Tamotsu Ando, Kohji Hiramatsu, Hajime Ozaki, Kentaro Yamauchi
  • Patent number: 10202041
    Abstract: A battery monitoring system, comprises a battery state detection circuit that detects battery states of a plurality of battery cells that are connected in series, based on respective cell voltages of the plurality of battery cells, and a control circuit that monitors state of a battery cell, based on each cell voltage of the plurality of battery cells. The control circuit inputs pseudo voltage information to the battery state detection circuit, and thereby diagnoses whether or not the battery state detection circuit is operating normally.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: February 12, 2019
    Assignees: Hitachi, Ltd., Hitachi Automotive Systems, Ltd.
    Inventors: Akihiko Kudo, Mutsumi Kikuchi, Gosuke Shibahara, Akihiko Emori, Yasuo Uemura, Tatsumi Yamauchi, Kenji Kubo, Masahito Sonehara, Masahiko Amano, Yoshinori Aoshima
  • Patent number: 9746525
    Abstract: A battery system monitoring device that monitors a battery system provided with a cell group having a plurality of battery cells connected in series with each other, including: a first control device that monitors and controls states of the plurality of battery cells of the cell group; a second control device that controls the first control device; a temperature detection unit that measures a temperature in the vicinity of the first control device; and a plurality of voltage detection lines, for measuring an inter-terminal voltage of the battery cell, which connect each of a positive electrode and a negative electrode of the battery cell and the first control device. The first control device includes a balancing switch, which performs balancing discharge of the battery cell for each of the battery cells.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: August 29, 2017
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Akihiko Kudo, Mutsumi Kikuchi, Tomonori Kanai, Tatsumi Yamauchi, Akihiro Machida
  • Patent number: 9590432
    Abstract: A battery control device having a plurality of cell controllers which are provided corresponding to respective cell groups, are mutually connected in accordance with a predetermined communication order, and detect a state of each unit battery cell of a corresponding cell group, a control circuit which starts or stops a plurality of cell controllers, transmits a communication signal to the highest-order cell controller in a communication order among the plurality of cell controllers, and receives the communication signal from the lowest-order cell controller in the communication order among the plurality of cell controllers, and a first insulating element provided between the control circuit and the highest-order cell controller.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: March 7, 2017
    Assignee: Hitachi Automotive Systems, Inc.
    Inventors: Shinya Kato, Akihiro Machida, Tatsumi Yamauchi
  • Patent number: 9568557
    Abstract: A battery monitoring device for monitoring a cell group made by connecting a plurality of single battery cells in series includes a reference voltage generation circuit configured to generate a variable reference voltage, a switching circuit configured to select, as a measurement target voltage, any one of a plurality of types of voltages including the cell voltages of the single battery cells in the cell group and the reference voltage, and an AD converter configured to measure the measurement target voltage which is selected by the switching circuit, and output a digital signal according to the measurement result.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: February 14, 2017
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Akihiko Kudo, Mutsumi Kikuchi, Tomonori Kanai, Tatsumi Yamauchi, Akihiro Machida
  • Patent number: 9519027
    Abstract: A battery monitoring device for monitoring a cell group made by connecting a plurality of single battery cells in series including a first switching circuit configured to select, as a measurement target voltage, a type of voltage a differential amplifier circuit including a first input terminal and a second input terminal, configured to convert the measurement target voltage, which is selected by the first switching circuit and input between the first input terminal and the second input terminal, into a voltage in a predetermined range by performing differential amplification, and an AD converter configured to measure the measurement target voltage selected by the first switching circuit and converted by the differential amplifier circuit, and output a digital signal according to the measurement result, wherein an abnormality detection voltage, is output to the AD converter.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: December 13, 2016
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Akihiko Kudo, Mutsumi Kikuchi, Tomonori Kanai, Tatsumi Yamauchi, Akihiro Machida
  • Patent number: 9496749
    Abstract: A storage battery control device controls an assembly battery having a plurality of secondary battery cells connected to each other, including at least one integrated circuit adapted to monitor and control charging and discharging of each of the secondary battery cells of the assembly battery. A bypass capacitor is disposed in a channel connecting a positive electrode-side external terminal and a negative electrode-side external terminal of the integrated circuit to each other. At least one first current limiting element is disposed in the channel, and at least one first switch is disposed in parallel to the first current limiting element, and adapted to short the first current limiting element.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: November 15, 2016
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Mitsuo Noda, Akihiko Kudo, Tatsumi Yamauchi
  • Publication number: 20160303977
    Abstract: A battery monitoring system, comprises a battery state detection circuit that detects battery states of a plurality of battery cells that are connected in series, based on respective cell voltages of the plurality of battery cells, and a control circuit that monitors state of a battery cell, based on each cell voltage of the plurality of battery cells. The control circuit inputs pseudo voltage information to the battery state detection circuit, and thereby diagnoses whether or not the battery state detection circuit is operating normally.
    Type: Application
    Filed: June 28, 2016
    Publication date: October 20, 2016
    Inventors: Akihiko KUDO, Mutsumi KIKUCHI, Gosuke SHIBAHARA, Akihiko EMORI, Yasuo UEMURA, Tatsumi YAMAUCHI, Kenji KUBO, Masahito SONEHARA, Masahiko AMANO, Yoshinori AOSHIMA
  • Patent number: 9419447
    Abstract: A battery control device that controls a battery module in which a plurality of cell groups, in each of which a plurality of cells are connected in series, are connected in series or series-parallel, includes: a plurality of cell controller ICs that control each of the plurality of cell groups; and one or more connectors that are provided for connecting the plurality of cell controller ICs to the battery module; wherein: the plurality of cell controller ICs include first and second cell controller ICs that are provided in sequence, so as to control two or more of the cell groups that are connected in series; and an auxiliary connection member (a pin) is provided for connecting GND terminal side wiring of the first cell controller IC and VCC terminal side wiring of the second cell controller IC together, externally to the battery control device.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: August 16, 2016
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Tatsumi Yamauchi, Akihiro Machida, Akihiko Kudo
  • Patent number: 9404975
    Abstract: A battery monitoring system, comprises a battery state detection circuit that detects battery states of a plurality of battery cells that are connected in series, based on respective cell voltages of the plurality of battery cells, and a control circuit that monitors state of a battery cell, based on each cell voltage of the plurality of battery cells. The control circuit inputs pseudo voltage information to the battery state detection circuit, and thereby diagnoses whether or not the battery state detection circuit is operating normally.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: August 2, 2016
    Assignees: Hitachi, Ltd., Hitachi Automotive Systems, Ltd.
    Inventors: Akihiko Kudo, Mutsumi Kikuchi, Gosuke Shibahara, Akihiko Emori, Yasuo Uemura, Tatsumi Yamauchi, Kenji Kubo, Masahito Sonehara, Masahiko Amano, Yoshinori Aoshima
  • Patent number: 9340122
    Abstract: A battery system monitoring apparatus that monitors a battery system is provided having a cell group having a plurality of unit cells connected in series, including: a first control device that controls the cell group; and a plurality of voltage detection lines that connect positive electrodes and negative electrodes of the unit cells to the first control device, for measuring inter-terminal voltages of the unit cells. The first control device includes a balancing switch connected between the voltage detection line connected to the positive electrode of each unit cell and the voltage detection line connected to the negative electrode thereof for conducting balancing discharge of the unit cell, for each of the unit cells. A first resistor is disposed in series with each of the voltage detection lines, a first capacitor is connected between the voltage detection line, and a GND which is a lowest-level potential of the cell group.
    Type: Grant
    Filed: August 18, 2011
    Date of Patent: May 17, 2016
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Tatsumi Yamauchi, Akihiro Machida, Akihiko Kudo, Akihiko Emori, Mutsumi Kikuchi
  • Publication number: 20150323609
    Abstract: A battery monitoring device for monitoring a cell group made by connecting a plurality of single battery cells in series includes a reference voltage generation circuit configured to generate a variable reference voltage, a switching circuit configured to select, as a measurement target voltage, any one of a plurality of types of voltages including the cell voltages of the single battery cells in the cell group and the reference voltage, and an AD converter configured to measure the measurement target voltage which is selected by the switching circuit, and output a digital signal according to the measurement result.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 12, 2015
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Akihiko KUDO, Mutsumi KIKUCHI, Tomonori KANAI, Tatsumi YAMAUCHI, Akihiro MACHIDA
  • Patent number: 9130379
    Abstract: A vehicle power supply system comprises a battery module that includes a plurality of battery cells, battery cell control devices and a signal transmission path through which signals are transmitted. The battery cell control devices comprises a voltage measurement circuit that measures terminal voltages at the battery cells, an abnormality diagnosis circuit that diagnoses an abnormality in the battery cell control device, a timing control circuit that outputs a signal for instructing measurement phase and a signal for instructing diagnosis phase, and a communication circuit that outputs a signal indicating the terminal voltage and a signal based upon a diagnosis result by the abnormality diagnosis circuit.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: September 8, 2015
    Assignees: Hitachi, Ltd., Hitachi Automotive Systems, Ltd.
    Inventors: Kei Sakabe, Akihiko Emori, Akihiko Kudo, Kenji Kubo, Youhei Kawahara, Mutsumi Kikuchi, Tatsumi Yamauchi
  • Publication number: 20150171642
    Abstract: A battery control device having a plurality of cell controllers which are provided corresponding to respective cell groups, are mutually connected in accordance with a predetermined communication order, and detect a state of each unit battery cell of a corresponding cell group, a control circuit which starts or stops a plurality of cell controllers, transmits a communication signal to the highest-order cell controller in a communication order among the plurality of cell controllers, and receives the communication signal from the lowest-order cell controller in the communication order among the plurality of cell controllers, and a first insulating element provided between the control circuit and the highest-order cell controller.
    Type: Application
    Filed: May 24, 2012
    Publication date: June 18, 2015
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Shinya Kato, Akihiro Machida, Tatsumi Yamauchi
  • Patent number: 9048667
    Abstract: A suppressed noise cell controller includes, corresponding to a number of cell packs, a plurality of ICs each having a voltage detecting circuit detecting voltages of respective cells of a cell pack in which four cells are connected in series, a switch control circuit controlling conduction and a blocking operation of a plurality of switch elements connected in parallel to the respective cells via capacity adjusting resistors, terminal LIN1 for inputting control information, terminal LIN2 for outputting control information, terminal Vcc and GND terminal, and terminal LIN2 of a higher-order IC and terminal LIN1 of a lower-order IC are daisy chain connected. The Vcc terminal of each IC is connected to a positive electrode of a higher-order cell among cells constituting a corresponding cell pack via a noise eliminating inductor, and the GND terminal is coupled directly to Vcc of the lower-order IC. Noise isn't superposed on LIN1 or LIN2.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: June 2, 2015
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masaki Nagaoka, Akihiko Kudo, Mutsumi Kikuchi, Kenichiro Tsuru, Tatsumi Yamauchi, Akihiko Emori
  • Publication number: 20150145481
    Abstract: A battery control device that controls a battery module in which a plurality of cell groups, in each of which a plurality of cells are connected in series, are connected in series or series-parallel, includes: a plurality of cell controller ICs that control each of the plurality of cell groups; and one or more connectors that are provided for connecting the plurality of cell controller ICs to the battery module; wherein: the plurality of cell controller ICs include first and second cell controller ICs that are provided in sequence, so as to control two or more of the cell groups that are connected in series; and an auxiliary connection member (a pin) is provided for connecting GND terminal side wiring of the first cell controller IC and VCC terminal side wiring of the second cell controller IC together, externally to the battery control device.
    Type: Application
    Filed: February 3, 2015
    Publication date: May 28, 2015
    Inventors: Tatsumi YAMAUCHI, Akihiro MACHIDA, Akihiko KUDO
  • Patent number: 8981721
    Abstract: A battery control device that controls a battery module in which a plurality of cell groups, in each of which a plurality of cells are connected in series, are connected in series or series-parallel, includes: a plurality of cell controller ICs that control each of the plurality of cell groups; and one or more connectors that are provided for connecting the plurality of cell controller ICs to the battery module; wherein: the plurality of cell controller ICs include first and second cell controller ICs that are provided in sequence, so as to control two or more of the cell groups that are connected in series; and an auxiliary connection member (a pin) is provided for connecting GND terminal side wiring of the first cell controller IC and VCC terminal side wiring of the second cell controller IC together, externally to the battery control device.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: March 17, 2015
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Tatsumi Yamauchi, Akihiro Machida, Akihiko Kudo
  • Publication number: 20150070023
    Abstract: A battery monitoring device for monitoring a cell group made by connecting a plurality of single battery cells in series including a first switching circuit configured to select, as a measurement target voltage, a type of voltage a differential amplifier circuit including a first input terminal and a second input terminal, configured to convert the measurement target voltage, which is selected by the first switching circuit and input between the first input terminal and the second input terminal, into a voltage in a predetermined range by performing differential amplification, and an AD converter configured to measure the measurement target voltage selected by the first switching circuit and converted by the differential amplifier circuit, and output a digital signal according to the measurement result, wherein an abnormality detection voltage, is output to the AD converter.
    Type: Application
    Filed: April 27, 2012
    Publication date: March 12, 2015
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Akihiko Kudo, Mutsumi Kikuchi, Tomonori Kanai, Tatsumi Yamauchi, Akihiro Machida