Imaging system, instruction terminal, response terminal, imaging method, and computer-readable recording medium

1. An imaging system comprising:

an instruction terminal configured to transmit, via a network, specific time-point information used to cause each of a plurality of response terminals to perform specific operation at a specific time-point, to each of the plurality of response terminals; and

the plurality of response terminals configured to receive, via the network, the specific time-point information and execute the specific operation at the specific time-point,

wherein, before transmitting the specific time-point information, the instruction terminal transmits time-point information including at least information that corresponds to a time-point clocked by the instruction terminal, to each of the plurality of response terminals, and

the response terminal adjusts the time-point clocked by the response terminal to the time-point information when the response terminal has received the time-point information, and thereafter, the response terminal executes the specific operation at the specific time-point when the response terminal receives the specific time-point information,

wherein the instruction terminal repetitively transmits the time-point information at a predetermined interval to each of the plurality of response terminals, and

wherein the response terminal adjusts the time-point clocked by the response terminal to the time-point information in accordance with the number of times of reception of the time-point information.

2. An imaging system comprising:

an instruction terminal configured to transmit, via a network, specific time-point information used to cause each of a plurality of response terminals to perform specific operation at a specific time-point, to each of the plurality of response terminals; and

the plurality of response terminals configured to receive, via the network, the specific time-point information and execute the specific operation at the specific time-point,

wherein, before transmitting the specific time-point information, the instruction terminal transmits time-point information including at least information that corresponds to a time-point clocked by the instruction terminal, to each of the plurality of response terminals, and

the response terminal adjusts the time-point clocked by the response terminal to the time-point information when the response terminal has received the time-point information, and thereafter, the response terminal executes the specific operation at the specific time-point when the response terminal receives the specific time-point information,

wherein the response terminal transmits setting completion information indicating that the time-point clocked by the response terminal has been adjusted to the time-point information, to the instruction terminal.

3. The imaging system according to claim 2 ,

wherein the instruction terminal simultaneously transmits the time-point information to each of the plurality of response terminals.

4. The imaging system according to claim 2 ,

wherein the instruction terminal sequentially transmits the time-point information to each of the plurality of response terminals.

5. The imaging system according to claim 2 ,

wherein, when the setting completion information has been received from each of the plurality of response terminals, the instruction terminal transmits the specific time-point information to each of the plurality of response terminals.

6. The imaging system according to claim 2 ,

wherein the specific operation is any of imaging, light emission, voice output, display, recording, and moving image shooting.

7. An instruction terminal configured to transmit, via a network, specific time-point information used to cause each of a plurality of response terminals to perform specific operation at a specific time-point, to each of the plurality of response terminals, the instruction terminal comprising:

a transmitter/receiver configured to communicate with the plurality of response terminals via the network;

a clock configured to clock a time-point; and

a control processor configured to cause the transmitter/receiver to transmit time-point information including at least information that corresponds to a time-point clocked by the instruction terminal, to each of the plurality of response terminals, before transmitting the specific time-point information,

wherein the transmitter/receiver receives setting completion information transmitted from the response terminal and indicating that the time-point clocked by the response terminal has been adjusted to the time-point information.

8. A response terminal configured to perform, via a network, specific operation at a specific time-point in cooperation with another device, the response terminal comprising:

a transmitter/receiver configured to receive information from an instruction terminal that transmits specific time-point information needed to perform the specific operation at a specific time-point, while transmitting information to the instruction terminal;

a clock configured to clock a time-point; and

a control processor configured to

adjust a time-point clocked by the clock to time-point information when the time-point information including information that corresponds to a time-point clocked by the instruction terminal has been received by the transmitter/receiver, and

cause the response terminal to execute the specific operation when the transmitter/receiver has received the specific time-point information from the instruction terminal.

9. An imaging method executed by an imaging system including: an instruction terminal configured to transmit, via a network, specific time-point information used to cause each of a plurality of response terminals to perform specific operation at a specific time-point, to each of the plurality of response terminals; and the plurality of response terminals configured to receive, via the network, the specific time-point information and execute the specific operation at the specific time-point, the method comprising:

causing the instruction terminal to transmit, before transmitting the specific time-point information, time-point information including at least information that corresponds to a time-point clocked by the instruction terminal, to each of the plurality of response terminals;

causing the response terminal to adjust the time-point clocked by the response terminal to the time-point information when the response terminal has received the time-point information;

causing the instruction terminal to transmit the specific time-point information; and

causing the response terminal to execute the specific operation at the specific time-point,

wherein the response terminal transmits setting completion information indicating that the time-point clocked by the response terminal has been adjusted to the time-point information, to the instruction terminal.

10. A non-transitory computer-readable recording medium with an executable program stored thereon, the program causing a processor of an imaging system including: an instruction terminal configured to transmit, via a network, specific time-point information used to cause each of a plurality of response terminals to perform specific operation at a specific time-point, to each of the plurality of response terminals; and the plurality of response terminals configured to receive, via the network, the specific time-point information and execute the specific operation at the specific time-point to execute:

causing the instruction terminal to transmit, before transmitting the specific time-point information, time-point information including at least information that corresponds to a time-point clocked by the instruction terminal, to each of the plurality of response terminals;

causing the response terminal to adjust the time-point clocked by the response terminal to the time-point information when the response terminal has received the time-point information;

causing the instruction terminal to transmit the specific time-point information; and

causing the response terminal to execute the specific operation at the specific time-point,

wherein the response terminal transmits setting completion information indicating that the time-point clocked by the response terminal has been adjusted to the time-point information, to the instruction terminal.