Brother Kogyo Kabushiki-kaisha

Hirotaka Asakura

Munehisa Matsuda

Takanobu Suzuki

Satoshi Tanaka

Hiroshi Shibata

Yusuke Shimada

Longlong Ruan

Takuya Inoue

Takeshi Shibata

Ryoya Tsuji

Satoshi Suzuki

Shun Takeuchi

Makoto Nonoyama

Takeshi Nagasaki

Takeshi Miyake

Yasuhiro Asai

Kenji Natsuhara

A communication device may execute a wireless communication of object data with a mobile device via a first target network using a second type of interface after executing a sending process of sending a wireless setting, for causing the mobile device to belong to the first target network, to the mobile device using a first type of interface in a case where the communication device is determined as currently belonging to the first target network. The communication device may execute the wireless communication of the object data with the mobile device via a second target network using the second type of interface after executing a specific process of causing both the communication device and the mobile device to belong to the second target network in a case where the communication device is determined as currently not belonging to the target network.

Communication device

A communication device may: execute a Device Provisioning Protocol (DPP) process according to the DPP of a Wi-Fi standard, wherein the DPP process includes: receiving an authentication request in which a bootstrapping key of the communication device is used from a terminal device; in a case where the authentication request is received from the terminal device, sending an authentication response to the terminal device; and after the authentication response has been sent to the terminal device, receiving first connection information from the terminal device, and in a case where the first Wi-Fi connection between the communication device and the first access point is established, the communication device may send confirmation information to the terminal device, wherein the confirmation information is used by the terminal device for executing connectivity confirmation.

Communication device, non-transitory computer-readable recording medium storing computer-readable instructions for communication device, and non-transitory computer-readable recording medium storing application program including computer-readable instructions for terminal device

A first terminal obtains a character string by decoding a code image. The character string is described in accordance with Bootstrapping Information Format and includes a public key of a communication apparatus and specific information. The first terminal displays an operation screen by using the specific information. The first terminal executes a first target communication with the communication apparatus by using the public key after a changing operation indicated by the operation screen is performed to the communication apparatus. A second terminal obtains the character string by decoding the code image. The second terminal executes a second target communication with the communication apparatus by using the public key after the changing operation is performed to the communication apparatus without displaying the operation screen using the specific information.

Communication apparatus establishing wireless communication using public key

A communication device may include a first type of interface and a second type of interface. The communication device may execute the communication of object data with a mobile device using the second type of interface after executing a specific process for causing the communication device to shift to a communication-enabled state, in a case where it is determined that the communication device is not currently in the communication-enabled state. Also, the communication device may execute the communication of the object data with the mobile device using the second type of interface without executing the specific process, in a case where it is determined that the communication device is currently in the communication-enabled state.

A terminal performs: in response to receipt of first identifying information, from a first function-executing device via a first wireless connection established between the terminal and the first function-executing device, receiving, when the computer program is launched by an OS program of the terminal, at least the first device-identifying information from the OS program; establishing a second wireless connection between the terminal and the first function-executing device, using the first device-identifying information received from the OS program; receiving capability information of the first function-executing device in a case where the first device-identifying information matches with device-identifying information stored in a memory of the terminal and the second wireless connection is already established prior to receiving the first device-identifying information; and displaying, a screen indicating capability of the first function-executing device based on the capability information after receiving the capability information.

Non-transitory computer-readable storage medium for receiving device identifying information and selecting a target device from at least one function executing device

A communication device may be configured to receive a sending request by executing communication at a network layer or above of an Open System Interconnection reference model. The communication device may be configured to, in a case where the sending request is received, send a public key by executing communication at the network layer or above. The communication device may be configured to, after the public key has been sent, receive an authentication request. The communication device may be configured to, in a case where the authentication request is received, send an authentication response. The communication device may be configured to, after the authentication response has been sent, receive first connection information. The communication device may be configured to, in a case where the first connection information is received, establish a second wireless connection with an external device by using the first connection information.

Communication device, non-transitory computer-readable recording medium storing computer-readable instructions for terminal device, and terminal device

A terminal device may be configured to receive support information from a communication device by using a first wireless connection which has been established between the terminal device and the communication device. The support information may indicate whether the communication device supports a predetermined scheme. The terminal device may be configured to, in a case where the support information indicates that the communication device supports the predetermined scheme, execute a first control process for executing wireless communication in conformity with the predetermined scheme between the terminal device and the communication device. The terminal device may be configured to, in a case where the support information indicates that the communication device does not support the predetermined scheme, execute a second control process for executing wireless communication in conformity with a different scheme different from the predetermined scheme between the terminal device and the communication device.

Non-transitory computer-readable recording medium storing computer-readable instructions for establishing a wireless connection between a communication device and an external device

A technique uses a code image that is less likely to increase in size. A terminal decodes a code image to obtain a character string. The character string includes identification information to identify a communication apparatus without including a public key of the communication apparatus. The terminal obtains the public key of the communication apparatus using the identification information and performs a predetermined process to perform target communication with the communication apparatus using the obtained public key. The target communication establishes a wireless connection in accordance with a predetermined communication protocol between a pair of devices.

Communication system, non-transitory computer-readable medium for terminal, and communication apparatus

Communication system, non-transitory computer-readable medium for terminal, and communication apparatus for enabling a wireless connection between a pair of apparatuses

A function executing device is configured to send a wireless identifier to a communication device via a first type of wireless communication interface for setting up a wireless connection. The function executing device is configured to determine whether the function executing device is in an error state and, if not, to establish the wireless connection via a second type of wireless communication interface. The function executing device operates in a parent state in the wireless connection. Additionally, print data may be received from the communication device. However, if the function executing device is in an error state the wireless connection is not established via the second type of wireless communication interface.

Function executing device with two types of wireless communication interfaces

A function executing device may comprise a first wireless interface according to a Bluetooth Low Energy scheme being capable of repeatedly sending an advertising signal. The function executing device may after a first advertising signal in which a first radio field intensity is used has been sent from the first wireless interface, receive a specific signal via the first wireless interface from a terminal device, change a radio field intensity used for sending the advertising signal from the first radio field intensity to a second radio field intensity lower than the first radio field intensity, and after a second advertising signal in which the second radio field intensity is used has been sent from the first wireless interface, establish a first wireless connection with the terminal device via the first wireless interface.

Function executing device and terminal device for executing wireless communication according to Bluetooth low energy

A communication device may cause a first wireless interface of the communication device to send a first signal in a case where a state of the communication device is a respondent state. The respondent state may be a state in which a Wi-Fi connection is able to be established between the communication device and a terminal device. The first signal may be sent from the first wireless interface before a Bluetooth connection is established between the communication device and a terminal device. The communication device may cause the first wireless interface to send a second signal in a case where a state of the communication device is a non-respondent state. The non-respondent state may be a state in which the Wi-Fi connection is not able to be established. The second signal may be sent from the first wireless interface before the Bluetooth connection is established.

Growing community of inventors

Nagoya, Japan

Hirotaka Asakura