Patents Assigned to NIDEC MOBILITY CORPORATION
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Publication number: 20220268082Abstract: A power window device includes a control unit configured to monitor a first potential at one end of a first circuit including first and second switches turned on by manual opening and closing operations for a window, respectively, and a second potential at one end of a second circuit including a third switch turned on by an automatic opening or closing operation. The control unit is configured to output a manual window opening signal to a motor drive unit when the first potential is a potential at a time of the first switch being turned on; output a manual window closing signal when the first potential is a potential at a time of the second switch being turned on; and output an automatic window opening or closing signal when the second potential is a potential at a time of the third switch being turned on.Type: ApplicationFiled: February 10, 2022Publication date: August 25, 2022Applicant: NIDEC MOBILITY CORPORATIONInventors: Atsushi FUJITA, Katsunori KIGOSHI, So FUJIOKA, Tatsuki NAGATA, Yuki YAMAMOTO, Masahiko HARA
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Publication number: 20220251895Abstract: A power window device includes a control unit configured to: monitor independently a first potential at one ends of a first switch circuit including a window closing switch and a second switch circuit including a window opening switch and a second potential at one end of a submersion detection sensor, and determine that submersion has occurred when the second potential is in a submersion potential range. During a normal time, the control unit outputs a window closing command signal when the first potential is a potential at a time of the window closing switch being operated, and outputs a window opening command signal when the first potential is a potential at a time of the window opening switch being operated. At a time of submersion, the control unit does not output the window closing command signal, and outputs the window opening command signal.Type: ApplicationFiled: February 4, 2022Publication date: August 11, 2022Applicant: NIDEC MOBILITY CORPORATIONInventors: So FUJIOKA, Katsunori KIGOSHI, Atsushi FUJITA, Tatsuki NAGATA, Yuki YAMAMOTO, Masahiko HARA
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Publication number: 20220243519Abstract: A power window device includes a control unit configured to monitor a first potential at one end of a first switch circuit including a window closing switch and a second potential at one end of a second switch circuit including a window opening switch, and determine that submersion has occurred when the first or second potential is in a first or second submersion potential range. During a normal time, the control unit outputs a window closing command signal when the first potential is a potential at a time of the window closing switch being operated, and outputs a window opening command signal when the second potential is a potential at a time of the window opening switch being operated. At a time of submersion, the control unit does not output the window closing command signal, and outputs the window opening command signal.Type: ApplicationFiled: January 28, 2022Publication date: August 4, 2022Applicant: NIDEC MOBILITY CORPORATIONInventors: Atsushi FUJITA, Katsunori KIGOSHI, So FUJIOKA, Tatsuki NAGATA, Yuki YAMAMOTO, Masahiko HARA
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Publication number: 20220195782Abstract: An opening and closing body control apparatus includes a motor driving unit and a control unit. The motor driving unit outputs a predetermined application voltage to the motor, based on a control command from the control unit. The control unit is configured to: when an opening and closing body reaches a first position in front of a closing-up position, set a target speed of the motor to a closing-up time target speed at which a torque required for closing-up the opening and closing body is secured, and perform feedback control on the motor driving unit; and when the opening and closing body reaches a second position closer to the closing-up position than the first position, stop the feedback control, and control the motor driving unit so that the application voltage of the motor at the time is held.Type: ApplicationFiled: December 14, 2021Publication date: June 23, 2022Applicant: NIDEC MOBILITY CORPORATIONInventor: Noriyoshi MACHII
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Patent number: 11348431Abstract: An in-vehicle monitoring device is configured to monitor an interior of a vehicle with reference to sensor information from a living body detection sensor. The in-vehicle monitoring device includes: a sensor information acquisition unit that acquires the sensor information from the living body detection sensor; a visual recognition information generation unit that generates visual recognition information indicating at least one of a detection range and a detection accuracy of the living body detection sensor with reference to the sensor information acquired by the sensor information acquisition unit; and a visual recognition information output unit that outputs the visual recognition information to a display device.Type: GrantFiled: March 11, 2020Date of Patent: May 31, 2022Assignee: NIDEC MOBILITY CORPORATIONInventor: Hideyuki Ohara
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Publication number: 20220081952Abstract: A motor module includes: a motor; a driving unit; a control unit; a memory; and a communication unit. The control unit executes: receiving parameter information specialized for a vehicle-mounted device by the communication unit from a management module, and storing the parameter information in the memory; in a case where the parameter information is stored in the memory, driving the motor by the driving unit to operate the vehicle-mounted device so that the motor outputs a predetermined torque based on an operation signal input from an outside for operating the vehicle-mounted device and the parameter information; and in a case where the parameter information is not stored in the memory, driving the motor by the driving unit for a certain period of time and then stopping the motor to inch the vehicle-mounted device so that the motor outputs a maximum torque, based on the operation signal.Type: ApplicationFiled: September 14, 2021Publication date: March 17, 2022Applicant: NIDEC MOBILITY CORPORATIONInventors: Atsushi FUJITA, Katsunori KIGOSHI
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Publication number: 20220080904Abstract: A motor module includes: a motor; a driving unit; a control unit; a communication unit that performs communication via a network in the vehicle; and a connection unit to which an operation module is connected without going through the network. The control unit determines identification information of a vehicle-mounted device based on a voltage applied according to a connection state between the motor module and the operation module, controls the driving unit based on control information with information which coincides with the identification information transmitted from a management module that manages the motor module and received by the communication unit, and controls the driving unit to operate the vehicle-mounted device based on an operation signal input from the operation module according to an operation state of the operation module via the connection unit.Type: ApplicationFiled: September 10, 2021Publication date: March 17, 2022Applicant: NIDEC MOBILITY CORPORATIONInventors: Atsushi FUJITA, Katsunori KIGOSHI
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Patent number: 11239786Abstract: Provided is a motor control device that includes a controller outputting a PWM control signal for controlling a multiphase electric motor, a driving signal generator generating a switching element driving signal for driving the multiphase electric motor according to the PWM control signal output from the controller, and a bridge circuit configured of a plurality of semiconductor switching elements switching a current flowing through the multiphase electric motor according to the switching element driving signal generated by the driving signal generator. The controller is provided on a first board. The driving signal generator and the bridge circuit are provided on a second board and are connected by wiring provided on the second board. The first board and the second board are connected by a predetermined inter-board connecting line. The controller outputs the PWM control signal to the driving signal generator through the predetermined inter-board connecting line.Type: GrantFiled: January 17, 2020Date of Patent: February 1, 2022Assignee: NIDEC MOBILITY CORPORATIONInventors: Hiromi Murata, Jiro Matsukawa, Tomoya Yamanaka, Masamitsu Hamasaki, Naoyuki Ito, Keita Gunji
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Publication number: 20210282714Abstract: A biological information presentation device includes a biosensor configured to detect biological information of an occupant existing in a vehicle, and a second controller configured to present, via a presenter, a fact that biological information has been detected if the biosensor detects biological information.Type: ApplicationFiled: March 10, 2021Publication date: September 16, 2021Applicant: NIDEC MOBILITY CORPORATIONInventors: Hirohito Miyazaki, Takashi Aragai
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Publication number: 20210288584Abstract: A DC-DC converter (switching power supply device) includes: a first converter having a first switching element; a second converter having a second switching element and a transformer; and a controller that generates and outputs a first pulse signal for use in driving the first switching element and a second pulse signal for use in driving the second switching element. The controller shifts a phase of the first pulse signal from a phase of the second pulse signal by a predetermined amount so that an exciting current that flows through the transformer in response to switching operations of the first switching element and the second switching element becomes zero on average.Type: ApplicationFiled: March 11, 2021Publication date: September 16, 2021Applicant: NIDEC MOBILITY CORPORATIONInventor: Yasumichi Omoto
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Publication number: 20210286807Abstract: An in-vehicle gateway device includes a CPU and a memory, and the CPU includes an ID acquisitor configured to acquire a data ID associated with data to be received from an in-vehicle network, and a decider configured to derive a plurality of indices from the data ID, specify a reference destination in a reference table stored in the memory based on a plurality of derived indices, and decide a processing content related to data associated with the data ID based on information stored in a specified reference destination.Type: ApplicationFiled: March 11, 2021Publication date: September 16, 2021Applicant: NIDEC MOBILITY CORPORATIONInventors: Hiroki SAKAMOTO, Kenshin OH
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Patent number: 11040657Abstract: A vehicle control system includes: a vehicle control device that is mounted on a vehicle a portable device that is carried by a user and performs wireless communication with the vehicle control device; and a living body sensor that detects presence of a living body in a vehicle interior of the vehicle. The vehicle control device includes: an in-vehicle transmission unit that transmits a response request signal to the portable device; an in-vehicle reception unit that receives a response signal returned from the portable device in response to the response request signal; and a notification control unit that does not perform notification to the vehicle interior or an outside of the vehicle when the living body sensor detects that the living body is present in the vehicle interior and the in-vehicle reception unit receives the response signal.Type: GrantFiled: March 12, 2020Date of Patent: June 22, 2021Assignee: NIDEC MOBILITY CORPORATIONInventor: Hideyuki Ohara
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Publication number: 20210104951Abstract: A switching power supply device includes: a converter; an input voltage detecting unit configured to detect an input voltage of the converter; a current detecting unit configured to detect at least one of an input current and an output current of the converter; a dead time setting unit configured to set a dead time in on/off operations of switching elements of the converter; and a dead time table in which the dead time is recorded for each input voltage value and each output current value on a matrix formed by input voltage values and output current values. The dead time setting unit sets the dead time with reference to the dead time table based on the input voltage detected by the input voltage detecting unit and the current detected by the current detecting unit.Type: ApplicationFiled: October 1, 2020Publication date: April 8, 2021Applicant: NIDEC MOBILITY CORPORATIONInventors: Yasumichi Omoto, Dachao Wang
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Patent number: 10953795Abstract: A vehicle control device is configured to determine whether or not a living body is left behind in a vehicle. The vehicle control device includes an operation information acquisition unit that acquires first operation information indicating whether a first type of opening/closing unit related to getting-on/off of an occupant is operated and second operation information indicating whether a second type of opening/closing unit other than the first opening/closing unit is operated; a leaving determination unit that determines whether the living body is left behind with reference to the first operation information, and determines execution of a leaving alarm in a case where it is determined that the living body is left behind; and an execution holding unit which holds the execution of the leaving alarm in a case where the second operation information indicates that the second type of opening/closing unit is operated.Type: GrantFiled: March 12, 2020Date of Patent: March 23, 2021Assignee: NIDEC MOBILITY CORPORATIONInventors: Takashi Aragai, Hirohito Miyazaki
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Publication number: 20200369282Abstract: A driver state determination apparatus includes: a vehicle behavior information acquisition unit that acquires behavior information of a vehicle; an image information acquisition unit that acquires image information including a face of a driver; a reference value setting unit that sets a reference value based on the behavior information of the vehicle acquired by the vehicle behavior information acquisition unit; and an index value calculation unit that calculates an index value relating to a driving state of the driver using duration of a state in which an amount of change in the image information acquired by the image information acquisition unit is equal to or less than the reference value. The apparatus further includes a determination unit that determines that the driver is in an unconscious state when the index value calculated by the index value calculation unit is equal to or greater than a threshold value.Type: ApplicationFiled: May 22, 2020Publication date: November 26, 2020Applicant: NIDEC MOBILITY CORPORATIONInventors: Keisuke Yokota, Yoshio Matsuura, Kazuki Miura
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Publication number: 20200312050Abstract: A control device collects vehicle data indicating at least one of a state of a vehicle, a state of a driver of the vehicle, and a situation around the vehicle; acquires determination data created based on at least a part of accident vehicle data as the vehicle data collected when an accident or an accident sign operation occurs in the past in a plurality of vehicles. The control device determines whether the vehicle is in a danger state based on the vehicle data and the determination data. The danger state is a state where the accident or the accident sign operation is likely to occur. The control device controls an operation of the vehicle or at least a part of various devices mounted on the vehicle in a case where it is determined that the vehicle is in a danger state.Type: ApplicationFiled: March 16, 2020Publication date: October 1, 2020Applicant: NIDEC MOBILITY CORPORATIONInventor: Keiichi Shimizu
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Publication number: 20200290541Abstract: A biological information output device outputs: information about a distance to a living body obtained by processing an I signal obtained by multiplying a signal of an electromagnetic wave and a signal of a reflected wave of the electromagnetic wave reflected on the living body and a Q signal obtained by delaying the I signal by a predetermined phase; a reception intensity of the reflected wave using a diameter of a circle drawn by a signal point obtained by developing the I signal and the Q signal on a complex plane; and a phase change amount of the reflected wave using a displacement angle of a range where the signal point is displaced on the circle with respect to a center of the circle. The device determines a type of the living body based on the distance, the reception intensity, and the phase change amount.Type: ApplicationFiled: March 12, 2020Publication date: September 17, 2020Applicant: NIDEC MOBILITY CORPORATIONInventor: Shigetomo Mitani
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Publication number: 20200290510Abstract: A vehicle control system includes: a vehicle control device that is mounted on a vehicle a portable device that is carried by a user and performs wireless communication with the vehicle control device; and a living body sensor that detects presence of a living body in a vehicle interior of the vehicle. The vehicle control device includes: an in-vehicle transmission unit that transmits a response request signal to the portable device; an in-vehicle reception unit that receives a response signal returned from the portable device in response to the response request signal; and a notification control unit that does not perform notification to the vehicle interior or an outside of the vehicle when the living body sensor detects that the living body is present in the vehicle interior and the in-vehicle reception unit receives the response signal.Type: ApplicationFiled: March 12, 2020Publication date: September 17, 2020Applicant: NIDEC MOBILITY CORPORATIONInventor: Hideyuki Ohara
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Publication number: 20200290511Abstract: A vehicle control device is configured to determine whether or not a living body is left behind in a vehicle. The vehicle control device includes an operation information acquisition unit that acquires first operation information indicating whether a first type of opening/closing unit related to getting-on/off of an occupant is operated and second operation information indicating whether a second type of opening/closing unit other than the first opening/closing unit is operated; a leaving determination unit that determines whether the living body is left behind with reference to the first operation information, and determines execution of a leaving alarm in a case where it is determined that the living body is left behind; and an execution holding unit which holds the execution of the leaving alarm in a case where the second operation information indicates that the second type of opening/closing unit is operated.Type: ApplicationFiled: March 12, 2020Publication date: September 17, 2020Applicant: NIDEC MOBILITY CORPORATIONInventors: Takashi Aragai, Hirohito Miyazaki
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Publication number: 20200294379Abstract: An in-vehicle monitoring device is configured to monitor an interior of a vehicle with reference to sensor information from a living body detection sensor. The in-vehicle monitoring device includes: a sensor information acquisition unit that acquires the sensor information from the living body detection sensor; a visual recognition information generation unit that generates visual recognition information indicating at least one of a detection range and a detection accuracy of the living body detection sensor with reference to the sensor information acquired by the sensor information acquisition unit; and a visual recognition information output unit that outputs the visual recognition information to a display device.Type: ApplicationFiled: March 11, 2020Publication date: September 17, 2020Applicant: NIDEC MOBILITY CORPORATIONInventor: Hideyuki Ohara