Imaging device, control method, and program
An imaging device, a control method, and a program with automatic power-on control in response to contactless communication are disclosed. An imaging preparation operation is performed after the completion of a transmission of connection information for a wireless communication connection. In one example, an imaging device includes a contactless communication part configured to perform contactless communication with an external device, and a control part configured to control power-on/off of the imaging device and an imaging preparation operation. The control part performs control to set the power of the imaging device ON upon detecting a polling command transmitted by the contactless communication from the external device, transmits connection information for wireless communication connection with the external device to the external device after the imaging device is powered on, and performs control such that the imaging preparation operation is performed, when the transmission of the connection information is completed.
1. An imaging device, comprising:
circuitry configured to:
perform a contactless communication with an external device;
perform a wireless communication with the external device; and
control a power-on of at least one component of the imaging device and a connection of the wireless communication,
wherein the circuitry sets a power of the at least one component ON in response to starting the contactless communication with the external device when a polling command transmitted as a radio signal by the contactless communication is received from the external device, transmits connection information for the wireless communication with the external device to the external device after the at least one component of the imaging device is powered on by the contactless communication, controls to make the connection of the wireless communication with the external device, and performs an imaging preparation operation when the transmission of the connection information is completed.
2. The imaging device according to claim 1 , wherein
the circuitry is configured to power off the at least one component of the imaging device when the transmission of the connection information is not completed within a predetermined period of time.
3. The imaging device according to claim 1 , wherein
the circuitry is configured to transmit an information for specifying an application activated in the external device together with the connection information.
4. The imaging device according to claim 1 , wherein
the circuitry is configured to power on the at least one component of the imaging device and perform the imaging preparation operation when an operation of a power button by a user is detected.
5. The imaging device according to claim 1 , wherein
the imaging preparation operation is an operation involving a change in an appearance or a notification of an activation to a user.
6. The imaging device according to claim 5 , wherein
the imaging preparation operation involving the change in the appearance is an operation of driving a collapsible lens.
7. The imaging device according to claim 5 , wherein
the imaging preparation operation involving the notification of the activation to the user is an operation of reproducing a start-up sound.
8. The imaging device according to claim 5 , wherein
the imaging preparation operation involving the notification of the activation to the user is an operation of emitting light from a power lamp.
9. The imaging device according to claim 1 , wherein the contactless communication is a near field communication (NFC).
10. A control method of an imaging device, the control method comprising:
performing, by circuitry of the imaging device, a contactless communication with an external device;
performing a wireless communication with the external device; and
controlling a power-on of at least one component of the imaging device and a connection of the wireless communication,
wherein the circuitry sets a power of the at least one component ON in response to starting the contactless communication with the external device when a polling command transmitted as a radio signal by the contactless communication is received from the external device, transmits connection information for the wireless communication with the external device to the external device after the at least one component of the imaging device is powered on by the contactless communication, controls to make the connection of the wireless communication with the external device, and performs an imaging preparation operation when the transmission of the connection information is completed.
11. The control method according to claim 10 , further comprising:
powering off the at least one component of the imaging device when the transmission of the connection information is not completed within a predetermined period of time.
12. The control method according to claim 10 , further comprising:
transmitting an information for specifying an application activated in the external device together with the connection information.
13. The control method according to claim 10 , further comprising:
powering on the at least one component of the imaging device and perform the imaging preparation operation when an operation of a power button by a user is detected.
14. The control method according to claim 10 , wherein
the imaging preparation operation is an operation involving a change in an appearance or a notification of an activation to a user.
15. The control method according to claim 14 , wherein
the imaging preparation operation involving the change in the appearance is an operation of driving a collapsible lens.
16. The control method according to claim 14 , wherein
the imaging preparation operation involving the notification of the activation to the user is an operation of reproducing a start-up sound.
17. The control method according to claim 14 , wherein
the imaging preparation operation involving the notification of the activation to the user is an operation of emitting light from a power lamp.
18. The control method according to claim 10 , wherein
the contactless communication is a near field communication (NFC).