Patents Assigned to Kabushiki Kaisha Tokai Rika Denki Seisakusho
  • Publication number: 20220281471
    Abstract: A tactile presenting device presents at least one of an electrical stimulus, a warm sensation, and a cold sensation at an object adapted to contact a portion of a body of an occupant of a mobile entity. A control device outputs a control signal for causing the tactile presenting device to present at least one of the electrical stimulus, the warm sensation, and the cold sensation in a case where a prescribed condition as to a traveling environment of the mobile entity is satisfied.
    Type: Application
    Filed: August 5, 2020
    Publication date: September 8, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Shuhei TAKEUCHI, Aya KADONO, Takashi SUZUKI
  • Publication number: 20220283640
    Abstract: When a user is made perceive a plurality of sense presentations, strangeness that the user feels is reduced. There is provided a control device that includes a control section configured to control output of at least two or more sense presentations having different presentation modes, and in which the control section performs control such that an interval of output start timings of the at least two or more sense presentations is a specified interval or less that is based on simultaneous perception characteristics that are characteristics that indicate delay that can allow a user to simultaneously perceive the at least two or more sense presentations.
    Type: Application
    Filed: April 17, 2020
    Publication date: September 8, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Mayu MYOKAN, Konomu ABE, Yasuhiro ONO, Toshihito TAKAI, Takao ARAYA, Yuji MITSUI, Keiji NOMURA
  • Patent number: 11438868
    Abstract: A communication device comprising: a plurality of wireless communication units configured to perform wireless communication with another communication device; and a control unit configured to estimate positional information indicating a position at which the other communication device is located based on at least one distance measurement value indicating a distance between the other communication device and at least one wireless communication unit and obtained through the wireless communication of each of the plurality of wireless communication units, wherein the control unit corrects first positional information among a plurality of pieces of positional information estimated at different times based on second positional information different from the first positional information among the plurality of pieces of positional information.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: September 6, 2022
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yosuke Ohashi, Masateru Furuta, Yuki Kono, Shigenori Nitta
  • Publication number: 20220276372
    Abstract: There is provided a mechanism that can reduce a process amount required to measure a distance. There is provided a control device that includes a control section configured to control a distance measurement process of calculating a distance measurement value that is a measurement value of a distance between communication devices, and in which the control section calculates the distance measurement value based on at least time information that is information related to a time taken for transmission and reception of a signal between the communication devices.
    Type: Application
    Filed: April 17, 2020
    Publication date: September 1, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Masateru FURUTA, Shigenori NITTA, Yuki KONO, Yosuke OHASHI
  • Publication number: 20220274622
    Abstract: An awakening degree detecting device outputs awakening degree information corresponding to an awakening degree of a driver of a vehicle. A stimulus providing device provides the driver with a stimulus including at least one of a vibration stimulus imparting vibration and an apparent motion stimulus giving an illusion of motion presence. A control device outputs, based on the awakening degree information, a first control signal causing the stimulus providing device to provide the stimulus in a case where the awakening degree is less than a first threshold, and to output a second control signal causing the stimulus providing device to provide the stimulus after the first control signal is outputted.
    Type: Application
    Filed: August 5, 2020
    Publication date: September 1, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Shuhei TAKEUCHI, Aya KADONO, Masahiko MIYATA, Motohiro KOJIMA, Yoshimasa MIURA, Koji IWAKATA
  • Publication number: 20220266798
    Abstract: An authentication device to be mounted on a vehicle includes a processor. The processor is configured to execute first authentication based on biometric information acquired from a user and biometric information preregistered in the vehicle. The processor is configured to execute second authentication based on identification information acquired from a mobile device of the user and identification information preregistered in the vehicle. The processor is configured to permit start of the vehicle when at least one of the first authentication and the second authentication is successful. The processor is configured to set an authentication function of the first authentication from ON to OFF when at least one of the first authentication and the second authentication is successful.
    Type: Application
    Filed: December 13, 2021
    Publication date: August 25, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Kabushiki Kaisha Tokai Rika Denki Seisakusho
    Inventors: Yuya GOTO, Naoyuki TAKADA, Kosuke TAKI, Daisuke OGAWA, Hirokazu ITAKURA, Takahiko ANDO
  • Patent number: 11422657
    Abstract: A control surface has a first area configured to accept a first operation performed with an object for enabling a first function of the controlled device, a second area configured to accept a second operation performed with the object for enabling a second function of the controlled device, and a third area located between the first and second areas. A processing device is configured to: enable the third area to accept the first operation in a case where it is determined that an object contacts or approaches the first area; enable the third area to accept the second operation in a case where it is determined that the object contacts or approaches the second area; and disable acceptance of the first operation and the second operation in a case where it is determined that the objects contacts or approaches the third area prior to the first and second areas.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: August 23, 2022
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Takao Imai, Itaru Watanabe, Shoji Kakinuma
  • Patent number: 11422007
    Abstract: A magnetic sensor includes first and second bridge circuits. The first bridge circuit includes a first group of magnetoresistive elements connected in a bridge. The first bridge circuit outputs a first detection signal corresponding to a magnetic field detected by the magnetoresistive elements in the first group. The second bridge circuit includes a second group of magnetoresistive elements connected in a bridge. Each magnetoresistive element of the first and second bridge circuits is formed by a sensor element bent in a serpentine manner. The second bridge circuit outputs a second detection signal corresponding to a magnetic field detected by the magnetoresistive elements in the second group and having a waveform that has a sine-cosine relationship with the first detection signal. The sensor elements of the first and second bridge circuits are arranged along a circumference of part of a circle about a center of the sensor elements.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: August 23, 2022
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Tatsuyuki Yamaguchi, Kazuhiro Kitada
  • Publication number: 20220264327
    Abstract: A communication device comprising: a wireless communication section capable of wirelessly transmitting and receiving a signal to and from another communication device; and a control section configured to control the wireless communication section in such a manner that the wireless communication section performs a first process and a second process, the first process including transmitting the signal while switching a frequency to be used among a plurality of frequencies, the second process including performing communication by using an optimum frequency that is a frequency selected from among the plurality of frequencies in the first process.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 18, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Masateru FURUTA, Tadashi FUKAGAI, Yuki KONO, Yutaka KUBO
  • Patent number: 11418953
    Abstract: This key information generation system generates key information necessary when using a shared device and imparts this key information to a mobile terminal. Authentication is performed between a mobile terminal which has imported key information, and an authentication device provided to the device, and if said authentication is successful, the mobile terminal enables operation of the device via the authentication device. The key information generation system includes: an information management unit which manages, by associating with one another, individual information for the authentication device, a key information generating code, and usage information pertaining to the use of the authentication device; and a key information generation unit which specifies a key information generation code from the individual information and usage information managed by being associated with one another by the information management unit, and generates key information on the basis of the key information generation code.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: August 16, 2022
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Masahiro Arakawa, Yuichi Inami, Hiroaki Iwashita, Hidenobu Hanaki, Masahiko Oya
  • Patent number: 11416206
    Abstract: A touch input device includes a touch input part that is installed on a vehicle and includes a tabular panel to be touch-operated and an actuator causing a vibration of the panel; and a control unit that performs at least one of a first control and a second control, the first control driving the actuator such that the panel vibrates in response to touch operations, and the second control driving the actuator such that the panel vibrates at an audible band. The touch input device is positioned such that a directivity of a sound emitted from the panel is increased toward an ear of an occupant of the vehicle.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: August 16, 2022
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Tatsushi Katsuyama, Takashi Nagao, Tetsuya Egawa, Takeyoshi Mori
  • Publication number: 20220256494
    Abstract: An object of the present invention is to provide a new and improved technology capable of improving the accuracy of processing in accordance with distance measurement results between each of at least two communication devices and a terminal. Provided is a control device including: an information acquisition unit configured to acquire first information associating a first distance measurement result between a terminal and a first communication device and first identification information of the first communication device, from the first communication device, and to acquire second information associating a second distance measurement result between the terminal and a second communication device and second identification information of the second communication device, from the second communication device.
    Type: Application
    Filed: December 7, 2021
    Publication date: August 11, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yosuke HASEGAWA, Masateru FURUTA, Yosuke OHASHI
  • Publication number: 20220255607
    Abstract: To provide a novel and improved communication device, control device, program, and system capable of estimating a positional relation between devices with higher accuracy. A communication device includes a control unit configured to control transmission and reception of signals by at least first and second antennas in conformity with a specific communication standard. The control unit controls a mode for transmission and reception of the signals by the first and second antennas in accordance with the signals transmitted to and received from another communication device.
    Type: Application
    Filed: January 20, 2022
    Publication date: August 11, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventor: Kenichi KOGA
  • Patent number: 11410477
    Abstract: A mobile device is carried by a person to be authenticated. An acceleration sensor is installed in the mobile device and configured to output an acceleration signal corresponding to acceleration applied to the mobile device. A processing device is configured to execute determination processing for determining whether the person is walking based on the acceleration signal. A control device is configured to control operation of a controlled device based on a result of the determination processing and a result of processing for authenticating, by way of the mobile device, the person as a user of the controlled device. The processing device is configured to determine that the person is not walking in a case where an amount of change in the acceleration falls below a threshold before a prescribed time period elapses while the determination processing is executed.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: August 9, 2022
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yuuki Nawa, Daisuke Kawamura, Minoru Otake
  • Publication number: 20220247126
    Abstract: A signal output part of a first sensor configured to output a signal corresponding to an operation state of a mechanism for locking rotation of a steering shaft is mounted on a first circuit board. A signal output part of a second sensor configured to output a signal corresponding to an operation state of a mechanism for detecting a rotation angle of the steering shaft is mounted on a second circuit board. A connector electrically connects the first circuit board and the second circuit board while allowing relative displacement therebetween.
    Type: Application
    Filed: June 10, 2020
    Publication date: August 4, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Kenji FUKUDA, Yuta YAMANISHI
  • Publication number: 20220248173
    Abstract: To provide a novel and improved control device and storage medium capable of performing control based on a positional relation with higher accuracy. A control device includes a control unit configured to perform control based on a presence area of a second communication device estimated using signals transmitted and received between a first communication device and the second communication device. The control unit performs control based on a presence area estimated most often among a plurality of presence areas estimated from signals transmitted and received a plurality of times during a certain time length.
    Type: Application
    Filed: December 8, 2021
    Publication date: August 4, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yoshiki OISHI, Kenichi KOGA, Tatsuya KOIKE, Satoshi MORI, Kento KATAOKA
  • Publication number: 20220244339
    Abstract: To provide a novel and improved control device and storage medium capable of performing control based on a positional relation with higher accuracy. A control device includes a control unit configured to perform control based on a presence area of a first communication device determined using a signal transmitted and received between the first communication device and at least one second communication device. The control unit performs control related to an operation of a controlled device in accordance with a second presence area when a first presence area determined based on a coordinate position of the first communication device on an arbitrary coordinate system associating the first communication device with the second communication device is inconsistent with the second presence area determined based on a distance between the first and second communication devices.
    Type: Application
    Filed: December 8, 2021
    Publication date: August 4, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yoshiki OISHI, Kenichi KOGA, Tatsuya KOIKE, Satoshi MORI, Kento KATAOKA
  • Publication number: 20220239325
    Abstract: A casing has a housing section adapted to house a communication device. The communication device is configured to transmit, in response to a first signal, a second signal for controlling a controlled device. A controller is configured to cause an actuator to actuate a movable portion of the communication device so as to transmit the second signal in a case where the communication device receives a trigger signal from a mobile device adapted to be carried by a user. The controller is configured to cause a power supply control device to disable power supply a power source to the communication device in a case where an intensity of the first signal detected by a detector is no less than a threshold value while the first signal is not received by the communication device.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 28, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Masanori KOSUGI, Hideki KAWAI
  • Publication number: 20220239386
    Abstract: A communication device controls wireless communications depending on radio propagation environments. The communication device includes a wireless communication section configured to receive wireless signals from another communication device, and a control section configured to control a repetition process of repeatedly executing a measurement process on a basis of a reliability parameter calculated through the measurement process. The measurement process includes reception of the wireless signals and calculation of the reliability parameter serving as an indicator that indicates whether a first incoming wave is an appropriate process target, the first incoming wave being a signal detected as a signal that meets a predetermined detection standard among the received wireless signals, wherein the reliability parameter includes a first reliability parameter serving as an indicator that indicates whether the first incoming wave itself is an appropriate detection target.
    Type: Application
    Filed: April 19, 2022
    Publication date: July 28, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yoshiki OISHI, Satoshi MORI, Kenichi KOGA, Tatsuya KOIKE, Kazuki NAIKI
  • Publication number: 20220238993
    Abstract: A casing has a housing section adapted to house an electronic key. The casing is formed of a material capable of blocking a particular frequency band. A controller is configured to cause an actuator to actuate a movable portion of the electronic key to transmit a signal for controlling a controlled device with the particular frequency band while switching a part of the casing into a state that the signal is allowed to pass, in a case where a transceiver receives a trigger signal from a mobile device.
    Type: Application
    Filed: January 24, 2022
    Publication date: July 28, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Masanori KOSUGI, Junji MURASE