Patents Assigned to Kabushiki Kaisha Tokai Rika Denki Seisakusho
  • Publication number: 20220194179
    Abstract: A state of a subject is led to a target state more reliably. A control system includes a sensation presentation unit that performs sensation presentation to a subject, and a control unit that causes the sensation presentation unit to perform sensation presentation corresponding to a target state that is a state desired to be realized in the subject.
    Type: Application
    Filed: May 12, 2020
    Publication date: June 23, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Toshihito TAKAI, Shinobu SASAKI, Kenji IWATA, Yuka TAKAGI, Fumiaki HIROSE, Takeshi OHNISHI
  • Publication number: 20220194307
    Abstract: This electronic device, which is used while being assembled at a mounting position of an assembling target , includes: a plurality of terminals configured to receive a plurality of input signals and a mounting position registration unit that determines and registers a mounting position on the basis of a combination of input states of the plurality of terminals including the plurality of input signals received through the plurality of terminals.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 23, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yosuke OHASHI, Shigenori NITTA, Satoshi MORI, Tetsuya KOBAYASHI
  • Publication number: 20220193563
    Abstract: Provided is a control device which includes a control unit that controls a presentation by a presentation unit on the basis of an action of a user with respect to a device including the presentation unit, wherein the device is a predetermined object that shows a reaction to the action of the user, and the control unit causes the presentation unit to present the presentation imitating the reaction of the predetermined object with respect to the action of the user. Also provided is a presentation system which includes a presentation unit that presents a presentation to a user and a control unit that controls the presentation by the presentation unit on the basis of an action of a user with respect to a device including the presentation unit, wherein the device is a predetermined object that shows a reaction to the action of the user.
    Type: Application
    Filed: February 17, 2020
    Publication date: June 23, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventor: Yuji MITSUI
  • Publication number: 20220198856
    Abstract: A communication control system includes an acquisition unit that obtains setting information when the setting information is input by a user. The setting information is related to a restriction on actuation of an operation subject that is actuated or allowed to be actuated through authentication communication performed with a terminal. The communication control system further includes a restriction unit that restricts actuation of the operation subject when a condition in the setting information is satisfied.
    Type: Application
    Filed: April 7, 2020
    Publication date: June 23, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Keita SOBUE, Hiroaki KOJIMA, Masayuki KAWAMURA
  • Patent number: 11364798
    Abstract: In a shift device, contact projections of a rotation cylinder make contact with side faces of recesses of an detent plate due to an urging force so as to urge a lever toward a shift position side. The contact projections make line contact with the side faces of the recesses. This enables the contact amount between the contact projections and the side faces of the recesses to be increased, enabling the contact pressure between the contact projections and the side faces of the recesses to be lowered.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: June 21, 2022
    Assignee: KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO
    Inventors: Hironori Watanabe, Koji Imai, Yohei Nakano, Munetoshi Makimura
  • Publication number: 20220185075
    Abstract: To provide a control device and a storage medium capable of improving air environments of target space while considering the use state thereof. A control device includes: a control unit configured to perform processing of determining a start of use of target space, and processing of controlling, when the start of use has been determined, a fragrance generation device provided in the target space to supply a fragrance into the target space.
    Type: Application
    Filed: October 18, 2021
    Publication date: June 16, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Kenji NARUMI, Hiroyasu UEDA, Ayano ITO
  • Publication number: 20220188561
    Abstract: To provide a control device and a program capable of improving convenience of character reading from a captured image. A control device includes a control unit configured to perform a process of recognizing character groups in a captured image obtained by capturing an image of a periphery of a user, a process of identifying a character group of which a defined priority exceeds a threshold among the recognized character groups, and a process of reading the identified character group by a voice.
    Type: Application
    Filed: October 18, 2021
    Publication date: June 16, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Kenji NARUMI, Hideto OHMAE
  • Publication number: 20220191022
    Abstract: [Object] To provide a communication system that makes it possible to improve security. [Solution] Provided is a communication system including: a first device configured to transmit encrypted information that is encrypted by using a first encryption key; and a second device configured to execute a predetermined process based on the encrypted information obtained from the first device, and a second encryption key that is common to the first encryption key. The first device includes a first change section configured to change the first encryption key in the case where a first condition is satisfied. The second device includes a second change section configured to change the second encryption key in the case where a second condition is satisfied, the second condition being common to the first condition.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 16, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yosuke OHASHI, Masateru FURUTA
  • Publication number: 20220189222
    Abstract: A communication device is configured to form a wireless communication area at least outside of a cabin arranged to be opened/closed by an opening/closing body. A magnetic source is configured to form a magnetic field at least outside of the cabin. A mobile device is adapted to be carried by a user. A magnetic sensor is installed in the mobile device and configured to detect magnetism. A control device is configured to determine whether an authentication processing for authenticating the mobile device located in the wireless communication area with radio waves is succeeded, and configured to control an operation of a controlled device in a case where a specific magnetism is detected by the magnetic sensor and it is determined that the authentication processing is succeeded.
    Type: Application
    Filed: October 15, 2021
    Publication date: June 16, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventor: Masanori KOSUGI
  • Patent number: 11356264
    Abstract: An authentication system includes an authentication unit that performs an authentication process between a first communication device and a second communication device when the first communication device and the second communication device communicate. The authentication unit performs the authentication process by transmitting authentication information from one of the first communication device and the second communication device to the other one, calculating the authentication information with an encryption code in each of the first communication device and the second communication device, and evaluating a calculation result. During a processing series in the authentication process, the authentication unit performs a first authentication based on part of the calculation result transmitted between the first and second communication device, and a second authentication based on another part of the calculation result transmitted between the first and second communication device.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: June 7, 2022
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Kazuki Naiki, Hiroaki Iwashita, Kenichi Koga, Yoshiyuki Oya, Yoshiki Oishi
  • Patent number: 11351962
    Abstract: An electronic key system determines that legitimate communication has been performed on the basis of conditions including that a measured distance from a ranging request unit to a ranging response unit measured on the basis of a ranging request signal and a ranging response signal is within a threshold range that is set on the basis of the distance from a communication area of a transmission antenna where an electronic key is determined to be located by a key location determination unit to one of either the ranging request unit or the ranging response unit that is provided in an on-board device.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: June 7, 2022
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Hiroaki Iwashita, Yoshiyuki Oya, Kazuki Naiki
  • Patent number: 11353899
    Abstract: A constant voltage device include a diode; a switch including one terminal connected to a ground potential and another terminal connected both to an anode terminal of the diode and to a drain of a PMOS transistor having a source applied with a power source voltage; a voltage generation circuit configured to generate a voltage of a predetermined magnitude; and a differential amplifier that includes a non-inverting input terminal to which both a cathode terminal of the diode and an output terminal of the voltage generation circuit are connected, and that is configured to change a supply route of a reference voltage applied to the non-inverting input terminal according to a state of the switch. The voltage generation circuit is configured to employ an output voltage based on the reference voltage and amplified by the differential amplifier to generate the reference voltage.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: June 7, 2022
    Assignee: KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO
    Inventors: Junichi Matsubara, Koji Saito
  • Publication number: 20220167292
    Abstract: There are provided a new and improved wireless communication device, storage medium, and system that can more precisely measure a distance between devices. A wireless communication device includes: a wireless communication section configured to transmit and receive a signal that conforms to predetermined communication standards; and a processing section configured to execute a correction process of correcting an operation error during an operation, the operation error being caused by a clock shift between the wireless communication device and another wireless communication device, and the operation being based on a time at which the signal has been transmitted and received between the wireless communication device and the another wireless communication device.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 26, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yosuke OHASHI, Masateru FURUTA, Yuki KONO, Yutaka KUBO
  • Publication number: 20220167162
    Abstract: [Object] To provide a novel and improved communication system and communication device that make it possible to reduce an amount of time from when communication with an external device is completed to when communication data corresponding to a communication result is output to another device. [Solution] Provided is a communication system including: a communication device configured to transmit a selection solution that is selected depending on a result of first communication with an external device; and a control device configured to receive the selection solution from the communication device through second communication between the communication device and a communication partner that is different from the external device serving as a communication partner in the first communication.
    Type: Application
    Filed: April 7, 2020
    Publication date: May 26, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yosuke OHASHI, Masateru FURUTA
  • Publication number: 20220150864
    Abstract: A position detection system includes a measurement unit that obtains a measurement value related to transmission and reception of radio waves from when the radio waves are transmitted from one of first and second communication devices to the other one of the first and second communication devices to when the one of the first and second communication devices receives a response to the radio waves to detect a positional relationship of the first and second communication devices. The measurement unit obtains multiple measurement values by performing communication to obtain the measurement value a multiple number of times in which a parameter of the communication is changed.
    Type: Application
    Filed: February 27, 2020
    Publication date: May 12, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Kenichi KOGA, Tetsuya KOBAYASHI, Takahiro SHIMIZU
  • Publication number: 20220146654
    Abstract: A position detection system includes a measurement unit that obtains a measurement value related to transmission and reception of radio waves from when the radio waves are transmitted from one of first and second communication devices to the other one of the first and second communication devices to when the one of the first and second communication devices receives a response to the radio waves to detect a positional relationship of the first and second communication devices. The measurement unit obtains the measurement value related to the transmission and reception of radio waves during each of first communication in which the first communication device transmits radio waves to the second communication device and receives a response to the radio waves and second communication in which the second communication device transmits radio waves to the first communication device and receives a response to the radio waves.
    Type: Application
    Filed: February 28, 2020
    Publication date: May 12, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Kenichi KOGA, Satoshi MORI, Tetsuya KOBAYASHI, Takahiro SHIMIZU
  • Publication number: 20220144212
    Abstract: A communication system that performs first communication and second communication, which differs from the first communication, through wireless connection between a terminal and a communication peer, is provided. The communication system includes communication devices arranged in the communication peer. At least one of the communication devices performs the second communication. The communication devices include a first communication device and a second communication device, which differs from the first communication device. The first communication device is connected to a controller that controls the communication devices, and the second communication device is connected to the first communication device.
    Type: Application
    Filed: February 28, 2020
    Publication date: May 12, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Masateru FURUTA, Yosuke OHASHI, Tetsuya KOBAYASHI, Yuya GOTO, Satoshi OZAWA
  • Patent number: 11325560
    Abstract: An attention calling device is configured to call attention of a driver of a vehicle with a drive mode switchable among manual driving, drive assist, and driver-centered automated driving. The attention calling device includes: a drive mode recognition unit configured to recognize the drive mode being executed; a driver state recognition unit configured to recognize a driver state based on a captured image from a driver monitor camera provided in the vehicle; a determination unit configured to determine based on the driver state whether it is necessary to call the attention; and a control unit configured to control a stimulus application device of the vehicle so as to apply a stimulus at an intensity that matches the drive mode being executed to the driver to direct the attention of the driver to driving of the vehicle when the determination unit determines that it is necessary to call the attention.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: May 10, 2022
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Shunichiroh Sawai, Toshihiro Tsutsui
  • Patent number: 11325561
    Abstract: In a present webbing retractor, when a stopper is pushed and moved by a conical portion of a moving member, the stopper abuts a moving member main body of the moving member between a rotating member and an axial direction distal end of a cylinder, and moreover, is moved toward a side of a portion of engagement of the moving member main body with first teeth and second teeth of the rotating member, while deforming the moving member main body. Due thereto, expansion, toward a side in a direction orthogonal to an axis, of the moving member main body can be suppressed.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: May 10, 2022
    Assignee: KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO
    Inventors: Takahiro Tanaka, Shinichi Okubo, Wataru Yanagawa, Takanori Tanaka
  • Patent number: 11327569
    Abstract: A tactile sensation presentation device includes a display unit that displays plural images on a display screen, an operating portion including an operation surface on which a touch operation is performed to select one of the plural images displayed on the display unit, a vibration presentation unit that presents tactile sensation by vibrating the operation surface according to the touch operation, and a control unit that extracts at least one candidate image, which has a probability of being selected next after a selected image selected on the operation surface, from the plural images displayed on the display screen, predicts a next selected image to be selected next from the candidate image(s) based on a trajectory, on the display screen, of a tracing operation as the touch operation performed on the operation surface, and presents tactile sensation by the vibration presentation unit when reaching the next selected image.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: May 10, 2022
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventor: Yasuhiro Ono