Kabushiki Kaisha Tokai Rika Denki Seisakusho

Shigenori Nitta

Yosuke Ohashi

Masateru Furuta

Yuki Kono

Masanori Kosugi

Satoshi Mori

Masayuki Kawamura

Mikihisa Araki

Tadashi Fukagai

Yasuhiko Futamura

Shigeji Ito

Tetsuya Kobayashi

A control device and a control method that can reduce power consumption for waiting for reception of a signal are provided. The control device includes a controller configured to control a communicator such that the communicator performs wireless communication with another device. The controller controls a reception waiting time of a predetermined signal which is transmitted from the other device by the wireless communication on the basis of acquired acquisition information.

Control device and control method

A communication unit includes: a plurality of wireless communication units configured to perform wireless communication with another communication device; and a control unit configured to estimate a relative position of the other communication device relative to the communication unit, wherein the control unit estimates the relative position of the other communication device on the basis of a plurality of distance measurement values indicating a distance between each of the plurality of wireless communication units and the other communication device obtained by each of the plurality of wireless communication units performing wireless communication with the other communication device, and a position characteristic including a position of each of the plurality of wireless communication units in the communication unit.

Communication unit, communication device, and position estimating method

A control device comprising, a control section configured to control an authentication process of performing a process related to device authentication together with at least one communication device on a basis of information included in a signal received through wireless communication with the communication device, wherein the control section performs control in such a manner that a signal including authentication information that is information to be used for the authentication process is transmitted to the communication device through the wireless communication, the authentication information varying depending on signal types, which are types of roles of signals to be transmitted to the communication device in the authentication process.

A control device controls an authentication process related to device authentication together with at least one communication device on a basis of information included in a signal received through wireless communication with the communication device. The control device performs the control in such a manner that authentication information is changed for each process group in which the authentication process is repeated more than once. Signals transmitted or received in the authentication process include a trigger signal, a request signal, and a response signal. The control device executes the process group in which the authentication process is repeated more than once for the trigger signal, the request signal, and the response signal, and changes the authentication information to be used for each of the trigger signal, the request signal, and the response signal each time the process group is executed.

A control device including a control section configured to cause a ranging process of measuring a distance between communication devices to be executed a designated number of times, and control a subsequent process that is a process of using a ranging value that satisfies a designated allowable value, on a basis of whether or not at least any of a plurality of ranging values that have been acquired satisfies the designated allowable value. The control section controls start of the subsequent process when the ranging value that satisfies the designated allowable value is acquired.

Control device and non-transitory storage medium

An object of the present invention is to provide a control device and control method that make it possible to perform an inter-device authentication process more certainly and improve security. Provided is a control device including: a control section configured to control an authentication process of performing a process related to device authentication together with at least one communication device on a basis of information included in a signal received through wireless communication with the communication device. The control section performs control in such a manner that authentication information is changed for each process group in which the authentication process is repeated more than once, the authentication information being information to be used for the authentication process.

A control device and control method prevent an unnecessary authentication process from being executed. The control device includes a control section configured to perform an authentication process of authenticating another device by using information obtained through communication with the other device. In the case where a predetermined condition is satisfied, the control section performs control in such a manner that the authentication process is not performed.

Control device and control method for authenticating another device using information obtained from the another device

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.

Electronic device

A communication device achieves inter-device authentication with high accuracy and high responsiveness. The communication device includes a control section configured to execute a process related to transmission or reception of a first authentication signal and a second authentication signal that are necessary for a first authentication process for authentication of another communication device. The control section starts execution of a second authentication process for different authentication from the first authentication process, after transmission or reception of the first authentication signal and before transmission or reception of the second authentication signal.

Communication device and system

[Object] To provide a mechanism that makes it possible to avoid inconveniences when the authentication process has abnormality. [Solution] A communication device comprising a control section configured to control each of a first process that achieves a prescribed function, and a second process that authenticates another communication device and that is different from the first process, wherein the control section performs control in such a manner that the second process is not performed in a case where abnormality is recognized.

To realize more secured Authentication while convenience is secured. There is provided a communication device including a control unit configured to control a process relating to transmission or reception of a first authentication signal and a second authentication signal used for a first authentication process that is authentication between the communication device and another communication device, in which the control unit further controls a second authentication process that is authentication different from the first authentication process and starts a process relating to transmission or reception of signals used for a second authentication process that is authentication different from the first authentication process before transmission or reception of the first authentication signal.

An authentication system comprising: a plurality of communication devices; and a control device configured to execute a process on a basis of information obtained through wireless communication between the respective communication devices and another communication device that is different from the plurality of communication devices, wherein each of the plurality of communication devices includes a wireless communication section configured to perform wireless communication with the other communication device, and the control device determines that the other communication device is successfully authenticated in a case where any one of a plurality of pieces of information regarding distances between the respective communication devices and the other communication device satisfies a designated condition on a basis of the pieces of information regarding the distances obtained through the wireless communication between the respective communication devices and the other communication device.

Authentication system

A communication device provides secure inter-device authentication that ensures certainty of processes. The communication device includes a control section configured to execute a process related to transmission or reception of a first authentication signal and a second authentication signal that are necessary for a first authentication process for authentication between the communication device and another communication device. The control section further controls a second authentication process for different authentication from the first authentication process, and starts a process related to transmission or reception of first information that is necessary for the second authentication process after transmission or reception of the second authentication signal.

[Object] To provide a mechanism that makes it possible to reduce electric power to be consumed to wait for reception of signals. [Solution] A communication device comprising a control section configured to perform control in such a manner as to wait for reception of a second signal transmitted from another communication device after a first signal is transmitted to the other communication device.

Growing community of inventors

Aichi, Japan

Shigenori Nitta