Video display system, video display device, its control method, and information storage medium

A video display system having a first video display device and a second video display device, connected to each other for communication,

• wherein the first video display device comprises:
• a first video and sound output unit configured to display first video data and reproduce first sound data;
• an operation input unit configured to receive an operation input of a user;
• and
• a data sending unit configured to send second video data in accordance with the first video data and second sound data in accordance with the first sound data to the second video display device,
• wherein the second video display device comprises:
• a data receiving unit configured to receive the second video data and the second sound data;
• a second video and sound output unit configured to display the second video data and reproduce the second sound data;
• and
• an operation information sending unit configured to receive the operation input of the user and send operation information indicating content of the operation input to the first video display device,
• wherein the first video display device operates in accordance with the operation input received by the operation input unit in a first operation mode in which the first video and sound output unit displays the first video data and reproduces the first sound data, and
• wherein the first video display device operates in accordance with the operation information sent by the operation information sending unit of the second video display device as the operation input received by the operation input unit in a second operation mode in which the data sending unit sends the second video data and the second sound data to the second video display device.

A first video display device connected for communication to a second video display device, comprising:

• a first video and sound output unit configured to display first video data and reproduce first sound data;
• an operation input unit configured to receive an operation input of a user;
• a data sending unit configured to send second video data in accordance with the first video data and second sound data in accordance with the first sound data to the second video display device;
• and
• an operation information receiving unit configured to receive operation information that is sent by the second video display device upon receiving the operation input of the user, the operation information indicating content of the operation input,
• wherein the first video display device operates in accordance with the operation input received by the operation input unit in a first operation mode in which the video and sound output unit displays the first video data and reproduces the first sound data, and
• wherein the first video display device operates in accordance with the operation information sent by the second video display device as the operation input received by the operation input unit in a second operation mode in which the data sending unit sends the second video data and the second sound data to the second video display device.

A video display method for a video display system having a first video display device and a second video display device, connected to each other for communication, comprising:

• displaying first video data and reproducing first sound data by a first video and sound output unit;
• receiving an operation input of a user by an operation input unit;
• sending second video data in accordance with the first video data and second sound data in accordance with the first sound data to the second video display device by a data sending unit;
• receiving the second video data and the second sound data by a data receiving unit;
• displaying the second video data and reproducing the second sound data by a second video and sound output unit;
• and
• receiving the operation input of the user and sending operation information indicating content of the operation input to the first video display device by an operation information sending unit;
• wherein the first video display device includes the first video and sound output unit, the operation input unit, and the data sending unit,
• wherein the second video display device includes the data the receiving unit, the second video and sound output unit, and the operation information sending unit,
• wherein the first video display device operates in accordance with the operation input received by the operation input unit in a first operation mode in which the first video and sound output unit displays the first video data and reproduces the first sound data, and
• wherein the first video display device operates in accordance with the operation information sent by the operation information sending unit of the second video display device as the operation input received by the operation input unit in a second operation mode in which the data sending unit sends the second video data and the second sound data to the second video display device.

A video display method for a first video display device connected for communication to a second video display device, comprising:

• displaying first video data and reproduce first sound data by a first video and sound output unit;
• receiving an operation input of a user by an operation input unit;
• sending second video data in accordance with the first video data and second sound data in accordance with the first sound data to the second video display device by a data sending unit;
• and
• receiving operation information that is sent by the second video display device upon receiving the operation input of the user and indicates content of the operation input by an operation information receiving unit,
• wherein the first video display device operates in accordance with the operation input received by the operation input unit in a first operation mode in which the first video and sound output unit displays the first video data and reproduces the first sound data, and
• wherein the first video display device operates in accordance with the operation information sent by the operation information sending unit of the second video display device as the operation input received by the operation input unit in a second operation mode in which the data sending unit sends the second video data and the second sound data to the second video display device.

A non-transitory computer readable medium storing a program for a first video display device connected for communication to a second video display device, the program for causing a computer to function as:

• a first video and sound output unit configured to display first video data and reproduce first sound data;
• an operation input unit configured to receive an operation input of a user;
• a data sending unit configured to send second video data in accordance with the first video data and second sound data in accordance with the first sound data to the second video display device;
• and
• an operation information receiving unit configured to receive operation information that is sent by the second video display device upon receiving the operation input of the user and indicates content of the operation input,
• wherein the first video display device operates in accordance with the operation input received by the operation input unit in a first operation mode in which the first video and sound output unit displays the first video data and reproduces the first sound data, and
• wherein the first video display device operates in accordance with the operation information sent by the operation information sending unit of the second video display device as the operation input received by the operation input unit in a second operation mode in which the data sending unit sends the second video data and the second sound data to the second video display device.