Electronic device and operation controlling method thereof

Abstract

According to one embodiment, an electronic device in which a display unit is detachable from a device body and the display unit and the device body are able to make wireless communication with each other when the display unit is detached from the device body, the electronic device includes a collating unit which collates authentication information assigned to the display unit when the display unit is connected to the device body, and a changing unit which changes a resolution of the display unit to a preset resolution corresponding to the authentication information when collating the authentication information by the collating unit is completed.

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

A general architecture that implements the various feature of the invention will now be described with reference to the drawings. The drawings and the associated descriptions are provided to illustrate embodiments of the invention and not to limit the scope of the invention.

FIG. 1 is an exemplary perspective view showing an outer appearance of a tablet-type detachable personal computer according to an embodiment of the invention;

FIG. 2 is an exemplary perspective view showing the detachable personal computer shown in FIG. 1 in the tablet style according to the embodiment;

FIG. 3 is an exemplary block diagram showing a system configuration of a computer body shown in FIG. 1 according to the embodiment;

FIG. 4 is an exemplary block diagram showing a system configuration of a display unit shown in FIG. 1 according to the embodiment;

FIG. 5 is an exemplary illustration of signal flow in a case where the display unit is connected to the computer body according to the embodiment;

FIG. 6 is an exemplary illustration of signal flow in a case where the display unit is detached from the computer body according to the embodiment;

FIG. 7 is an exemplary illustration showing an example of a basic setting screen implemented by a setting unit of utility shown in FIG. 5 according to the embodiment;

FIG. 8 is an exemplary illustration showing an example of setting contents according to the embodiment;

FIG. 9 is an exemplary flowchart showing an operation in a case where the display unit is connected to the computer body according to the embodiment;

FIG. 10 is an exemplary flowchart showing an operation in a case where the display unit is detached from the computer body according to the embodiment;

FIG. 11 is an exemplary illustration showing an example of setting contents according to the embodiment; and

FIG. 12 is an exemplary perspective view showing a detachable personal computer which is not a tablet PC according to the embodiment.

Claims

1. An electronic device in which a display unit is detachable from a device body and the display unit and the device body are able to make wireless communication with each other when the display unit is detached from the device body, the electronic device comprising: a collating unit which collates authentication information assigned to the display unit when the display unit is connected to the device body; anda changing unit which changes a resolution of the display unit to a preset resolution corresponding to the authentication information when collating the authentication information by the collating unit is completed.

2. The device according to claim 1, further comprising a setting unit which makes it possible to designate whether the resolution of the display unit should be changed when the display unit is connected to the device body.

3. The device according to claim 1, wherein the resolution of the display unit is changed to a lower resolution when the display unit is detached from the device body.

4. The device according to claim 3, further comprising a setting unit which makes it possible to designate whether the resolution of the display unit should be changed to the lower resolution when the display unit is detached from the device body.

5. The device according to claim 1, wherein the changing unit prohibits the change of the resolution of the display unit if the device body and the display unit make communication with each other in the case where the display unit is connected to the device body.

6. The device according to claim 3, wherein the changing unit prohibits the change of the resolution of the display unit if the device body and the display unit make communication with each other in the case where the display unit is detached from the device body.

7. The device according to claim 1, wherein the changing unit changes a security level to a preset security level corresponding to the authentication information when collating the authentication information by the collating unit is completed.

8. The device according to claim 7, wherein the security level of the device is changed to a lowest security level when the display unit is detached from the device body.

9. A method of controlling operations in which a display unit is detachable from a device body and the display unit and the device body are able to make wireless communication with each other when the display unit is detached from the device body, the method comprising: collating authentication information assigned to the display unit when the display unit is connected to the device body; andchanging a resolution of the display unit to a preset resolution corresponding to the authentication information when collating the authentication information by the collating unit is completed.

10. The method according to claim 9, wherein it is possible to designate whether the resolution of the display unit should be changed when the display unit is connected to the device body.

11. The method according to claim 9, wherein the change of the resolution of the display unit is prohibited if the device body and the display unit make communication with each other in the case where the display unit is connected to the device body.

12. The method according to claim 9, wherein a security level is changed to a preset security level corresponding to the authentication information when collating the authentication information by the collating unit is completed.

13. The method according to claim 10, wherein the security level of the device is changed to a lowest security level when the display unit is detached from the device body.

14. The method according to claim 9, wherein the resolution of the display unit is changed to a resolution lower than a current resolution when the display unit is detached from the device body.