Abstract: According to one embodiment, a sink device includes a first transmitter transmitting first identification information for identifying the sink device to a first server device constructing a digital twin of the sink device, a first receiver receiving first connection information created based on the first identification information, and a second transmitter transmitting the first connection information to the source device via a HDMI cable. A source device includes a third transmitter transmitting the first connection information to a second server device constructing a digital twin of the source device. The first connection information is used to establish a connection between the first server device and the second server device.

Abstract: According to one embodiment, a communication device includes: a voltage detector configured to detect a voltage from a first signal line to which the communication device and a master device are connected; and a controller configured to output, in case of detecting a read-out command from a second signal line to which the communication device and the master device are connected, a first signal with a time length corresponding to a value of the voltage to a third signal line to which the communication device and the master device are connected, and output, in case that a first signal is not detected on the third signal line from another communication device different from the master device after output of the first signal ends, a second signal including information corresponding to the read-out command to the second signal line.

Abstract: According to one embodiment, a server device is communicably connected to a plurality of video distribution systems each including a transmission device, a receiving device and an HDMI cable. The server device is configured to aggregate the plurality of elements of received first data, for each combination of the type of the receiving device and the type of the HDMI cable that is indicated by each element of the first data. The server device is configured to select a video format optimum for the video distribution system based on first data. The server device is configured to transmit second data to cause the optimum video format to be selected to the transmission device transmitting the particular first data.

Abstract: According to one embodiment, a communication device includes: a voltage detector configured to detect a voltage from a first signal line to which the communication device and a master device are connected; and a controller configured to output, in case of detecting a read-out command from a second signal line to which the communication device and the master device are connected, a first signal with a time length corresponding to a value of the voltage to a third signal line to which the communication device and the master device are connected, and output, in case that a first signal is not detected on the third signal line from another communication device different from the master device after output of the first signal ends, a second signal including information corresponding to the read-out command to the second signal line.

Abstract: According to one embodiment, a converter is supplied with power from a first or a second electronic apparatus and is configured to convert an electric signal received from the first electronic apparatus into an optical signal. The first and the second transmission lines configured to transmit the electric signal and the optical signal to the second electronic apparatus. The selector is supplied with power from the first or the second electronic apparatus and is configured to select one of transmission of the electric signal via the first transmission line and transmission of the optical signal via the second transmission line, based on an ability to supply the power by the first or the second electronic apparatus.

Abstract: According to one embodiment, an electronic apparatus is connectable with an external apparatus via a cable, the cable conforming to a first standard. The electronic apparatus includes a connector and control circuitry. The control circuitry is configured to supply power to a memory via a power supply line and read cable information, if the electronic apparatus is connected with an external apparatus via the cable. The control circuitry is configured to inactivate a signal of a HPD, if the cable information does not indicate that the cable supports a mode to transmit a signal of a second standard different from the first standard. The control circuitry is configured to activate the signal of the HPD if the cable information indicates the cable supports the mode.

Abstract: According to one embodiment, a converter is supplied with power from a first or a second electronic apparatus and is configured to convert an electric signal received from the first electronic apparatus into an optical signal. The first and the second transmission lines configured to transmit the electric signal and the optical signal to the second electronic apparatus. The selector is supplied with power from the first or the second electronic apparatus and is configured to select one of transmission of the electric signal via the first transmission line and transmission of the optical signal via the second transmission line, based on an ability to supply the power by the first or the second electronic apparatus.

Abstract: According to an embodiment, an electronic device is configured to output extended display identification data (EDID) to another electronic device, and to receive image data corresponding to the EDID from the other electronic device. The electronic device includes a memory and a controller. The memory is configured to store therein a plurality of distinct types of EDID. The controller is configured to detect a condition of a power source supplied to the electronic device, and to select an EDID corresponding to the condition.

Abstract: According to one embodiment, an electronic device includes a power supply circuit and one or more hardware processors. The one or more hardware processors coupled to the power supply circuit and configured to detect that the power supplied from the power supply circuit to the connection destination apparatus is in an overcurrent state, and to stop power supply from the power supply circuit to the connection destination apparatus, to detect information or a phenomenon indicative of return from the overcurrent state of the power supplied to the connection destination apparatus, and to start supply of the power from the power supply circuit to the connection destination apparatus.

Abstract: According to an embodiment, an electronic device is configured to output extended display identification data (EDID) to another electronic device, and to receive image data corresponding to the EDID from the other electronic device. The electronic device includes a memory and a controller. The memory is configured to store therein a plurality of distinct types of EDID. The controller is configured to detect a condition of a power source supplied to the electronic device, and to select an EDID corresponding to the condition.

Abstract: According to one embodiment, a wireless communication apparatus includes: a wireless communicator configured to perform near field communication with a target communication appliance; a direction detector configured to detect a direction in which the wireless communicator is placed; a calculator configured to calculate the difference between this direction and a direction in which the target communication appliance is placed according to the result obtained by communication regarding the direction with the target communication appliance; and a storage configured to store the difference between the directions at the time of near field communication and an application program to be used for the near field communication while a correspondence is made therebetween, wherein the wireless communicator performs near field communication with the target communication appliance using the application program depending on the difference between the directions calculated by the calculator.

Abstract: According to one embodiment, a wireless communication device includes a housing provided with a first face, a radio-frequency coupler installed in the housing so as to face the first face, a close proximity wireless transfer device configured to execute close proximity wireless transfer with the external device existing within a prescribed wirelessly communicable distance from the radio-frequency coupler, a pressure sensitive sensor configured to measure the pressure applied to the first face near the radio-frequency coupler, a reception data processor configured to process data received by the radio-frequency coupler and the close proximity wireless transfer device, and a controller configured to report to the reception data processor that close proximity wireless transfer is available when the close proximity wireless transfer is available and also a measured value of the pressure sensitive sensor is not smaller than a threshold value.

Abstract: According to one embodiment, an electronic apparatus includes a use history search process module configured to transmit a use history search message including model type information of a communication apparatus with which communication has been executed by a second communication process module in a communication method different from a communication method by a first communication process module, and the model type information of the electronic apparatus, to a server, a search result reception module configured to receive from the server a search result related to the use history search message, and an output module configured to output a message recommending communication with the communication apparatus by the first communication module, on the basis of the search result.

Abstract: According to one embodiment, a wireless communication device includes a housing provided with a first face, a radio-frequency coupler installed in the housing so as to face the first face, a close proximity wireless transfer device configured to execute close proximity wireless transfer with the external device existing within a prescribed wirelessly communicable distance from the radio-frequency coupler, a pressure sensitive sensor configured to measure the pressure applied to the first face near the radio-frequency coupler, a reception data processor configured to process data received by the radio-frequency coupler and the close proximity wireless transfer device, and a controller configured to report to the reception data processor that close proximity wireless transfer is available when the close proximity wireless transfer is available and also a measured value of the pressure sensitive sensor is not smaller than a threshold value.

Abstract: According to an aspect of the present invention, there is provided a communication device including: an audio signal input member configured to receive a first audio signal; a high-frequency coupler configured to receive a second audio signal, the second audio signal based on a high-frequency signal transmitted from an external high-frequency coupler by communicating with the external high-frequency coupler through electric field coupling; an output unit configured to output one of the first audio signal and the second audio signal; and a switch configured to switch an output of the output unit between the first audio signal and the second audio signal based on a status of communication between the high-frequency coupler and the external high-frequency coupler.

Abstract: A file editing system that provides a high file content secrecy, a file version management and an asynchronous editing is disclosed. For a high file content secrecy, the block data of files managed by a file management server device are enciphered in units of blocks, and a client device obtains the block data of the desired file in enciphered state, deciphers the obtained block data in units of blocks, carries out an editing of the desired file to obtain editing data, enciphers the editing data in units of blocks, and transmits the enciphered editing data to the file management server device.

Abstract: According to one embodiment, a subtitle information reproduction apparatus includes a reception unit which reproduces a video signal including subtitle information, a closed caption decoding unit which separates text of subtitle information from the video signal, and a Bluetooth communication unit which transmits in stream form the text of subtitle information obtained from the separation unit to the outside.

Abstract: A scheme for realizing AV data transfer processing utilizing the transport layer protocol such as RTP protocol, between radio terminals in a radio system for carrying out data transfer after establishing a logical connection between radio terminals prior to data transfer between radio terminals such as Bluetooth is disclosed. In the case of transferring data packets containing an AV stream and exchanging control packets containing control information regarding transfer of the data packets, different logical channels are assigned to the data packets and the control packet so that the data packets and the control packet are transferred by these different logical channels.

Abstract: A scheme for realizing AV data transfer processing utilizing the transport layer protocol such as RTP protocol, between radio terminals in a radio system for carrying out data transfer after establishing a logical connection between radio terminals prior to data transfer between radio terminals such as Bluetooth is disclosed. In the case of transferring data packets containing an AV stream and exchanging control packets containing control information regarding transfer of the data packets, different logical channels are assigned to the data packets and the control packet so that the data packets and the control packet are transferred by these different logical channels.

Abstract: According to one embodiment, a radio communication apparatus includes: a first radio communication device; a second radio communication device which is faster than the first radio communication device; a first switching control device raising gradually a communication speed with another radio communication apparatus, the communication using the first radio communication device, in accordance with congestion control of a transport protocol, and making the second radio communication device communicate with the another radio communication apparatus when the communication speed exceeds a predetermined threshold value; a second switching control device lowering the communication speed when the data communication of the second radio communication device reaches the congestion state and making the first radio communication device communicate with the another radio communication apparatus when the communication speed is under the threshold value; and a power control device making the second radio communication device