Brother Kogyo Kabushiki-Kaisha

Ryoya Tsuji

Hirotaka Asakura

Hiroshi Shibata

Yusuke Shimada

Takeshi Miyake

Longlong Ruan

Kazuaki Ogawa

A terminal device may, in a case where a first type of related information including a public key is obtained due to a first type of communication device outputting the first type of related information, send first connection information to the first type of communication device. The first type of communication device may be capable of executing a wireless communication complying with a predetermined rule of Wi-Fi scheme. The terminal device may, in a case where a second type of related information different from the first type of related information is obtained due to a second type of communication device outputting the second type of related information, send second connection information to the second type of communication device. The second type of communication device may be incapable of executing a wireless communication complying with the predetermined rule.

Terminal device and non-transitory computer-readable medium storing computer-readable instructions for terminal device

A terminal device (e.g., a smartphone) may use a private key to generate a first configuration object used for establishing a first wireless connection between the terminal device and an access point. The terminal device may also use the private key to generate a second configuration object used for establishing a second wireless connection between a communication device (e.g., a printer) and the access point. The terminal device may then transmit specific data (e.g., print data) to the communication device via the access point.

Terminal device, access point, communication device, and computer programs therefor

A terminal device may execute a first attempt process in which the terminal device attempts to communicate with a server on the Internet via a communication interface by using a specific LAN to which the terminal device is currently connected; and in a case where the attempt to communicate with the server is successful in the first attempt process, send connection information to a communication device different from the terminal device, the connection information being for connecting the communication device to the specific LAN, wherein in a case where a specific condition is fulfilled, the connection information is not sent to the communication device, the specific condition including a condition that the attempt to communicate with the server fails in the first attempt process.

Non-transitory computer-readable medium storing computer-readable instructions for terminal device to send connection information to communication device, and communication device

A first terminal device may obtain address information by using a communication device different from the first terminal device, the address information being for sending information to a second terminal device different from both the first terminal device and the communication device; send connection information to the communication device, the connection information being for the communication device to connect to a network; and after the connection information has been sent to the communication device, send notification information with the obtained address information as a destination, the notification information indicating that the connection information has been sent to the communication device.

Non-transitory computer-readable recording medium storing computer readable instructions for terminal device, terminal device and communication device

A terminal device may acquire a first identifier identifying a first AP from an OS program in a case where a first wireless connection has been established with the first AP, send a search instruction to a communication device using a second wireless connection in a case where the second wireless connection is established with the communication device, receive search result information including N identifiers identifying N access points from the communication device, and determine whether the first identifier exists in the N identifiers. The terminal device may send a first connection instruction including the first identifier to the communication device in a case where it is determined that the first identifier exists, and send a second connection instruction including a second identifier to the communication device in a case where it is determined that the first identifier does not exist.

Non-transitory computer-readable recording medium storing computer-readable instructions for terminal device and communication device

A communication device may, in a specific situation where the communication device is in a parent station state in which the communication device operates as a parent station of a first wireless network and N pieces of first external devices participate in the first wireless network as child stations, receive a belonging request from a second external device. The communication device may shift from the parent station state to a first state, in a case where the belonging request is received in the specific situation, execute a wireless communication of target data with the second external device, shift from the first state to the parent station state, and cause M pieces of the first external devices among the N pieces of the first external devices to participate in the first wireless network again as child stations after the communication device has been shifted to the parent station state.

Communication device, non-transitory computer-readable recording medium storing computer-readable instructions for communication device, and method performed by communication device

A communication device may receive a target IP address from a target device by using a first communication scheme; after the target IP address which is a global IP address has been received from the target device, send a first signal including the target IP address as a destination IP address via the Internet by using a second communication scheme; determine whether a second signal is received via the Internet by using the second communication scheme in response to sending the first signal, the second signal including the target IP address as a source IP address; and in a case where it is determined that the second signal is received, execute a security process related to security of the target device.

Communication device and non-transitory computer-readable medium storing computer-readable instructions for communication device

A communication device may receive a target IP address from a target device; after the target IP address which is a global IP address has been received from the target device, send a request signal including the target IP address to a server, the request signal being for causing the server to send a specific signal, the specific signal including the target IP address as a destination IP address; determine whether first information is received from the server, wherein the first information is received from the server in a case where the server receives a response signal including the target IP address as a source IP address in response to the server having sent the specific signal; and in a case where it is determined that the first information is received, execute a security process.

Communication device and non-transitory computer-readable medium storing computer-readable instructions for communication device or server

In a case where a first wireless communication with an external device is executed via a first wireless interface, a communication device may determine whether a specific signal including parent station information is received from the external device via a second wireless interface. The parent station information may indicate that an operation state of the external device is a state in which the external device operates as a parent station of a wireless network. The communication device may supply a communication instruction to the second wireless interface in a case where it is determined that the specific signal including the parent station information is received. The communication instruction may be for executing a second wireless communication with the external device via the second wireless interface. The second wireless communication may include a communication for participating as a child station in the wireless network.

Non-transitory computer-readable recording medium storing computer-readable instructions for communication device, communication device, and method executed by communication device

A communication device may supply both identification information for identifying a specific application program and first authentication information to a wireless interface so as to store both the identification information and the first authentication information in an interface memory. The wireless interface may be configured to send both the identification information and the first authentication information in the interface memory to a first terminal device by using a first communication session. The communication device may receive the first authentication information from the first terminal device by using a second communication session in a case where the second communication session with the first terminal device in which a specific application program has been installed is established via the wireless interface, and execute an authentication using the first authentication information in a case where the first authentication information is received.

Growing community of inventors

Nagoya, Japan

Ryoya Tsuji