WIRELESS TERMINAL AND WIRELESS SYSTEM

• US 20140055678A1
• Filed: 10/31/2013
• Published: 02/27/2014
• Est. Priority Date: 05/11/2011
• Status: Active Grant

• Current Assignee: Olympus Corporation
• Original Assignee: Olympus Corporation
• Inventors: Endo, Takahisa
• Granted Patent: US 9,369,637 B2
• Time in Patent Office: Days
• US Class Current: 348/706
• CPC Class Codes: H04N 21/41407 embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• CPC Class Codes: H04N 21/43637 involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11] arrangements for wireless networking or broadcasting of information in indoor or near-field type systems H04B10/114
• CPC Class Codes: H04N 5/268 Signal distribution or switching
• CPC Class Codes: H04N 7/147 Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals selecting H04Q
• CPC Class Codes: H04W 4/00 Services specially adapted for wireless communication networks; Facilities therefor

Abstract

A wireless terminal may include: a communication unit that transmits/receives information; a recognition unit that recognizes whether a wireless terminal having transmitted the information is an opposite attribute wireless terminal based on the information received in the communication unit, when a wireless terminal having an attribute opposite to an attribute of its own terminal between the video transmission attribute and the video reception attribute is defined as the opposite attribute wireless terminal and a wireless terminal having the instruction attribute is defined as an instruction attribute wireless terminal; and a communication control unit that controls the communication unit to transmit information on a wireless terminal recognized as the opposite attribute wireless terminal to the instruction attribute wireless terminal when the recognition unit recognizes that the wireless terminal having transmitted the information is the opposite attribute wireless terminal.

Claims

1. A wireless terminal, which includes only a video transmission attribute or only a video reception attribute when an attribute for wirelessly transmitting a video is defined as the video transmission attribute, an attribute for wirelessly receiving and displaying a video is defined as the video reception attribute, and an attribute for instructing transmission of a video to a plurality of wireless terminals having only the video transmission attribute and a plurality of wireless terminals having only the video reception attribute is defined as an instruction attribute, the wireless terminal comprising:

a communication unit that transmits/receives information;

a recognition unit that recognizes whether a wireless terminal having transmitted the information is an opposite attribute wireless terminal based on the information received in the communication unit, when a wireless terminal having an attribute opposite to an attribute of its own terminal between the video transmission attribute and the video reception attribute is defined as the opposite attribute wireless terminal and a wireless terminal having the instruction attribute is defined as an instruction attribute wireless terminal; and

a communication control unit that controls the communication unit to transmit information on a wireless terminal recognized as the opposite attribute wireless terminal to the instruction attribute wireless terminal when the recognition unit recognizes that the wireless terminal having transmitted the information is the opposite attribute wireless terminal, controls the communication unit not to transmit information on a wireless terminal recognized not to be the opposite attribute wireless terminal to the instruction attribute wireless terminal when the recognition unit recognizes that the wireless terminal having transmitted the information is not the opposite attribute wireless terminal, and controls the communication unit to perform a process of establishing a wireless connection with the opposite attribute wireless terminal designated by received information when the communication unit receives, from the instruction attribute wireless terminal, the information for instructing video transmission and designating the opposite attribute wireless terminal that is a video transmission destination.

2. The wireless terminal according to claim 1, wherein, in a state in which communication with the opposite attribute wireless terminal has been established, the communication control unit further controls the communication unit to transmit information on the wireless terminal recognized as the opposite attribute wireless terminal to the instruction attribute wireless terminal.

3. A wireless system, which includes a plurality of wireless terminals having only a video transmission attribute and a plurality of wireless terminals having only a video reception attribute when an attribute for wirelessly transmitting a video is defined as the video transmission attribute, an attribute for wirelessly receiving and displaying a video is defined as the video reception attribute, and an attribute for instructing transmission of a video to the plurality of wireless terminals having only the video transmission attribute and the plurality of wireless terminals having only the video reception attribute is defined as an instruction attribute, wherein a wireless terminal having only the video transmission attribute or only the video reception attribute comprises:

a first communication unit that transmits/receives information;

a recognition unit that recognizes whether a wireless terminal having transmitted the information is an opposite attribute wireless terminal based on the information received in the first communication unit, when a wireless terminal having an attribute opposite to an attribute of its own terminal between the video transmission attribute and the video reception attribute is defined as the opposite attribute wireless terminal and a wireless terminal having the instruction attribute is defined as an instruction attribute wireless terminal; and

a first communication control unit that controls the first communication unit to transmit information on a wireless terminal recognized as the opposite attribute wireless terminal to the instruction attribute wireless terminal when the recognition unit recognizes that the wireless terminal having transmitted the information is the opposite attribute wireless terminal, controls the first communication unit not to transmit information on a wireless terminal recognized not to be the opposite attribute wireless terminal to the instruction attribute wireless terminal when the recognition unit recognizes that the wireless terminal having transmitted the information is not the opposite attribute wireless terminal, and controls the first communication unit to perform a process of establishing a wireless connection with the opposite attribute wireless terminal designated by received information when the first communication unit receives, from the instruction attribute wireless terminal, the information for instructing video transmission and designating the opposite attribute wireless terminal that is a video transmission destination.

4. The wireless system according to claim 3, further comprising the instruction attribute wireless terminal,

wherein the instruction attribute wireless terminal comprises:

a second communication unit that transmits/receives information; and

a second communication control unit that selects a first wireless terminal having only the video transmission attribute and a second wireless terminal having only the video reception attribute from wireless terminals indicated by the information on the wireless terminal recognized as the opposite attribute wireless terminal received by the second communication unit, and controls the second communication unit to transmit information, which instructs video transmission and designates one of the first wireless terminal and the second wireless terminal as the opposite attribute wireless terminal that is a video transmission destination, to a remaining one of the first wireless terminal and the second wireless terminal.

5. A wireless communication method, by using a wireless terminal that includes only a video transmission attribute or only a video reception attribute when an attribute for wirelessly transmitting a video is defined as the video transmission attribute, an attribute for wirelessly receiving and displaying a video is defined as the video reception attribute, and an attribute for instructing transmission of a video to a plurality of wireless terminals having only the video transmission attribute and a plurality of wireless terminals having only the video reception attribute is defined as an instruction attribute, the wireless communication method comprising:

transmitting/receiving information by a communication unit;

recognizing, by a recognition unit, whether a wireless terminal having transmitted the information is an opposite attribute wireless terminal based on the information received by the communication unit, when a wireless terminal having an attribute opposite to an attribute of its own terminal between the video transmission attribute and the video reception attribute is defined as the opposite attribute wireless terminal and a wireless terminal having the instruction attribute is defined as an instruction attribute wireless terminal;

controlling the communication unit to transmit information on a wireless terminal recognized as the opposite attribute wireless terminal to the instruction attribute wireless terminal when the recognition unit recognizes that the wireless terminal having transmitted the information is the opposite attribute wireless terminal;

controlling the communication unit not to transmit information on a wireless terminal recognized not to be the opposite attribute wireless terminal to the instruction attribute wireless terminal when the recognition unit recognizes that the wireless terminal having transmitted the information is not the opposite attribute wireless terminal; and

controlling the communication unit to perform a process of establishing a wireless connection with the opposite attribute wireless terminal designated by received information when the communication unit receives, from the instruction attribute wireless terminal, the information for instructing video transmission and designating the opposite attribute wireless terminal that is a video transmission destination.

6. A computer readable device recording programmed instructions for a wireless terminal, which includes only a video transmission attribute or only a video reception attribute when an attribute for wirelessly transmitting a video is defined as the video transmission attribute, an attribute for wirelessly receiving and displaying a video is defined as the video reception attribute, and an attribute for instructing transmission of a video to a plurality of wireless terminals having only the video transmission attribute and a plurality of wireless terminals having only the video reception attribute is defined as an instruction attribute, wherein the instructions, when executed by a computer, cause the computer to perform:

transmitting/receiving information by a communication unit;

recognizing, by a recognition unit, whether a wireless terminal having transmitted the information is an opposite attribute wireless terminal based on the information received by the communication unit, when a wireless terminal having an attribute opposite to an attribute of its own terminal between the video transmission attribute and the video reception attribute is defined as the opposite attribute wireless terminal and a wireless terminal having the instruction attribute is defined as an instruction attribute wireless terminal;

controlling the communication unit to transmit information on a wireless terminal recognized as the opposite attribute wireless terminal to the instruction attribute wireless terminal when the recognition unit recognizes that the wireless terminal having transmitted the information is the opposite attribute wireless terminal;

controlling the communication unit not to transmit information on a wireless terminal recognized not to be the opposite attribute wireless terminal to the instruction attribute wireless terminal when the recognition unit recognizes that the wireless terminal having transmitted the information is not the opposite attribute wireless terminal; and

controlling the communication unit to perform a process of establishing a wireless connection with the opposite attribute wireless terminal designated by received information when the communication unit receives, from the instruction attribute wireless terminal, the information for instructing video transmission and designating the opposite attribute wireless terminal that is a video transmission destination.