Electronic apparatus and method of selectively applying security in mobile device

1. A mobile device configured to photograph an object and to generate a photographed object, the mobile device comprising:

a display unit having a panel to display a screen to set the mobile device to a security mode requiring a security check process to enter a password for a user to access a normal mode of the mobile device;

a sensor configured to sense a motion of the mobile device; and

a control unit configured to not apply the security check process for the normal mode of the mobile device according to the photographed object and the sensed motion of the mobile device, such that the user accesses the normal mode of the mobile device without the security check process.

2. The mobile device of claim 1 , wherein the object is photographed according to the sensed motion of the mobile device.

3. The mobile device of claim 1 , wherein the object is photographed according to a characteristic of the sensed motion of the mobile device which represents that the mobile device is held or touched in a relatively stationary state.

4. The mobile device of claim 1 , wherein the object is photographed according to a characteristic of an amplitude change of the sensed motion of the mobile device.

5. The mobile device of claim 1 , wherein the object is photographed when a portion of continuous patterns of the sensed motion of the mobile device matches at least one of reference patterns.

6. The mobile device of claim 1 , wherein the object is photographed according to a characteristic of the sensed motion of the mobile device which is sensed by the sensor.

7. The mobile device of claim 1 , wherein the motion of the mobile device is sensed during a non-operational mode of the mobile device, and the non-operational mode corresponds to at least one of a deactivation mode, a sleep mode, a power saving mode, and a turn-off mode.

8. The mobile device of claim 1 , wherein the control unit changes a non-operational mode of the mobile device to an operational mode including the normal mode, according to the photographed object and the sensed motion of the mobile device.

9. The mobile device of claim 1 , wherein the motion of the mobile device is sensed during an operational mode, which includes the normal mode, and the control unit extends a time period according to the sensed motion of the mobile device in the operational mode or a non-operational mode, which corresponds to at least one of a deactivation mode, a sleep mode, a power saving mode, and a turn-off mode in response to no user input to the mobile device.

10. The mobile device of claim 1 , wherein the control unit operates the normal mode of the mobile device without performing the security check process, according to the photographed object and the sensed motion of the mobile device.

11. The mobile device of claim 1 , wherein the control unit changes the mobile device from a power saving mode to the normal mode of the mobile device without a user input or a key selection to the mobile device.

12. The mobile device of claim 1 , wherein:

the control unit is configured to apply the security check process for the normal mode of the mobile device when a condition is not met, and to not apply the security check process for the normal mode of the mobile device when a condition is met; and

the condition includes the sensed motion, which matches a reference pattern, and the photographed object which matches a user identification.

13. The mobile device of claim 1 , wherein the control unit activates the unit during a non-operational mode which corresponds to at least one of a deactivation mode, a sleep mode, a power saving mode, and a turn-off mode.

14. A mobile device configured to photograph an object and to generate a photographed object, the mobile device comprising:

a display unit having a panel to display a screen to set the mobile device to a security mode requiring a security check process to enter a password for a user to access a normal mode of the mobile device;

a user interface to receive a user input;

a network interface to communicate with an external device;

a sensor configured to sense a motion of the mobile device; and

a control unit configured to not apply the security check process for the normal mode of the mobile device when a condition is met,

wherein the condition includes a motion condition, in which a portion of patterns of the sensed motion of the mobile device matches a reference pattern, and at least one of a connection condition in which the mobile device is connected to the external device, an area condition in which the mobile device is disposed in an area, a time condition in which the mobile device is to operate at a time, a signal condition in which the network interface receives a predetermined signal from the external device, and a photographing condition in which the photographed object matches a user identification.

15. The mobile device of claim 14 , wherein the control unit performs an internal process to detect the conditions, and the control unit does not display on the display unit information of the internal process.

16. The mobile device of claim 14 , wherein the control unit does not apply the security check process to operates the normal mode of the mobile device without a user input to the mobile device through the security check process.

17. The mobile device of claim 14 , wherein the control unit performs a process to detect the conditions during at least one of an operational mode and a non-operational mode which corresponds to at least one of a deactivation mode, a sleep mode, a power saving mode, and a turn-off mode.

18. The mobile device of claim 14 , wherein the control unit changes a non-operational mode of the mobile device to an operational mode including the normal mode when the condition is met, without a user input or a key input to the mobile device.

19. The mobile device of claim 14 , wherein the control unit controls the sensor to perform the sensing of the motion of the mobile device and to automatically perform the photographing of the object according to the sensed motion of the mobile device to enable the normal mode.

20. A mobile device configured to photograph an object and to generate a photographed image, the mobile device comprising:

an interface to communicate with an external device;

a display unit having a panel to display a screen to set the mobile device to a security mode requiring a security check process to enter a password for a user to access a normal mode of the mobile device;

a sensor configured to sense continuous motion patterns of the mobile device; and

a control unit configured to allow a user to access the normal mode without the security check process according to the sensed motion state of the mobile device and according to at least one of identification of the photographed image, a connection state between the mobile device and the external device, and a condition including an area condition, a time condition, or a medical signal.