Imaging device, control method, and program
The present disclosure relates to an imaging device, a control method, and a program that are capable of automatically performing power-on control in response to contactless communication and performing an imaging preparation operation after transmission of connection information for a wireless communication connection is completed. 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, in which 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. A device, comprising:
circuitry configured to:
establish a first communication in a first frequency band with an external device comprising transmitting first information required to establish a second communication of a second type with the external device;
establish the second communication with the external device; and
control at least one component of the device through the second communication, wherein
the circuitry is further configured to power on the at least one component in response to receiving a signal in the first frequency band and to transmit the first information to the external device after the at least one component of the device is powered on, and
the circuitry is further configured to power off the at least one component in response to a determination that
(i) the signal in the first frequency band was received,
(ii) the first information was not transmitted using the first communication, and
(iii) a predetermined time period has elapsed.
2. The device according to claim 1 , wherein the first communication is a contactless communication, and the second communication of the second type is a wireless communication.
3. The device according to claim 2 , wherein
the contactless communication is near field communication (NFC).
4. The device according to claim 1 , wherein
the circuitry is configured to transmit second information for specifying an application activated in the external device together with the first information.
5. The device according to claim 1 , wherein
the circuitry is configured to power on the at least one component of the device perform an operation when a power button is operated by a user.
6. The device according to claim 1 , wherein
the circuitry is configured to control the at least one component of the device by performing an an operation involving a change in an appearance of the device or a notification of an activation of the device to a user.
7. The device according to claim 6 , wherein
the operation is an operation of driving a collapsible lens.
8. The device according to claim 6 , wherein
the operation is an operation of reproducing a start-up sound.
9. The device according to claim 6 , wherein
the operation is an operation of emitting light from a power lamp.
10. A control method of a device, the control method comprising:
establishing, by circuitry of the device, a first communication in a first frequency band with an external device comprising transmitting first information required to establish a second communication of a second type with the external device;
establishing the second communication with the external device; and
controlling at least one component of the device through the second communication, wherein
the control method further includes powering on the at least one component in response to receiving a signal in the first frequency band and transmitting the first information to the external device after the at least one component of the device is powered on, and
the control method further includes powering off the at least one component in response to a determination that
(i) the signal in the first frequency band was received,
(ii) the first information was not transmitted using the first communication, and
(iii) a predetermined time period has elapsed.
11. The control method according to claim 10 , wherein the first communication is a contactless communication, and the second communication of the second type is a wireless communication.
12. The control method according to claim 10 , further comprising:
transmitting second information for specifying an application activated in the external device together with the first information.
13. The control method according to claim 10 , further comprising:
powering on the at least one component of the device and performing an operation when a power button is operated by a user.
14. The control method according to claim 10 , wherein
the controlling the at least one component of the device includes performing an an operation involving a change in an appearance of the device or a notification of an activation of the device to a user.
15. The control method according to claim 14 , wherein
the operation is an operation of driving a collapsible lens.
16. The control method according to claim 14 , wherein
the operation is an operation of reproducing a start-up sound.
17. The control method according to claim 14 , wherein
the operation is an operation of emitting light from a power lamp.
18. The control method according to claim 10 , wherein the first communication is near field communication (NFC).