Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: In response to an input unit inputting a request for communication, a room ID generation generates a room ID in accordance with presence information detected of a mobile phone, and transmits to a server device a request including the generated room ID for establishing a room. When a presence monitoring unit detects that the status of the mobile phone has changed from that obtained when the input unit input the request for communication, a room deletion request unit transmits to the server device a request including the generated room ID for deleting a room.

Abstract: A communication terminal includes: a display, an input device for accepting a first operation instruction; a communication device for connection with a server and another terminal; and a control unit for receiving first contents from the server via the communication device according to the first operation instruction, determining whether connection with another terminal is established or not, transmitting the first contents to another terminal via the communication device when a determination is made that connection with another terminal is established, and causing the display to show the first contents.

Abstract: A communication terminal includes: a communication unit for transmitting and receiving data to/from a second terminal and a third terminal; a memory storing a part of the transmitted and received data; and a control unit for detecting, using the communication unit, whether the second terminal is in a first state in which the second terminal can exchange first data with the communication terminal and the third terminal or in a second state in which the second terminal cannot exchange the first data with the communication terminal and the third terminal, thereby storing the first data exchanged during the second state in the memory as second data, and for transmitting the second data to the second terminal when a transition from the second state to the first state is detected.

Abstract: A communication terminal includes: a communication unit; a memory; a first obtaining unit for obtaining first data; and a first control unit for detecting, using the communication unit, whether the communication terminal is in a first state in which the communication terminal can exchange the first data with another terminal or in a second state in which the communication terminal cannot exchange the first data with another terminal, thereby storing a part of the first data obtained during the second state in the memory as second data, and for transmitting the second data to another terminal when a transition from the second state to the first state occurs.

Abstract: In response to an input unit inputting a request for communication, a room ID generation generates a room ID in accordance with presence information detected of a mobile phone, and transmits to a server device a request including the generated room ID for establishing a room. When a presence monitoring unit detects that the status of the mobile phone has changed from that obtained when the input unit input the request for communication, a room deletion request unit transmits to the server device a request including the generated room ID for deleting a room.

Abstract: A method of reconfiguring a network including a plurality of sub-networks in which at least one slave terminal is wireless-linked with a master terminal is disclosed. Firstly, each terminal detects a wireless-linkable node. Secondly, detection information including the results of the detections in the terminals is generated. Thirdly, with reference to the generated detection information, a master terminal is selected in such a manner as to minimize the total number of the master terminals. Finally, a sub-network including the selected master terminal is constructed.

Abstract: On a transmission-side, a time information generating section generates transmission-side time information based on information about a characteristic point in a waveform of an AC voltage supplied from an AC power supply. The content processing section adds the transmission-side time information to predetermined content. The communicating section transmits, to another communicating section on a receiving end, the “content in association with the transmission-side time information”. On the receiving-side, a time information generating section generates reception-side time information based on information about the characteristic point in the waveform of the AC voltage supplied from the AC power supply.

Abstract: A method of reconfiguring a network including a plurality of sub-networks in which at least one slave terminal is wireless-linked with a master terminal is disclosed. Firstly, each terminal detects a wireless-linkable node. Secondly, detection information including the results of the detections in the terminals is generated. Thirdly, with reference to the generated detection information, a master terminal is selected in such a manner as to minimize the total number of the master terminals. Finally, a sub-network including the selected master terminal is constructed.

Abstract: An apparatus of the present invention is an apparatus including a communication section for communicating with another apparatus. The apparatus includes: a registration detection section for detecting grouping registration information which is provided to each of a plurality of apparatuses to be grouped and registered; a storage section for storing group information which indicates that the apparatus and the other apparatus are in the same group; and a control section for controlling the communication section, the registration detection section and the storage section.