PROJECTION METHOD AND ELECTRONIC DEVICE

• US 20160212392A1
• Filed: 06/26/2015
• Published: 07/21/2016
• Est. Priority Date: 01/19/2015
• Status: Active Grant

• Current Assignee: Lenovo Company Limited (Lenovo Group Ltd.)
• Original Assignee: Lenovo Company Limited (Lenovo Group Ltd.)
• Inventors: ZHANG, Xiaodan
• Granted Patent: US 9,706,179 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G03B 21/145 Housing details, e.g. position adjustments thereof
• CPC Class Codes: G03B 21/30 adapted to collapse or fold, e.g. for portability
• CPC Class Codes: G06F 3/017 Gesture based interaction, e.g. based on a set of recognized hand gestures interaction based on gestures traced on a digitiser G06F3/04883
• CPC Class Codes: H04N 9/31 Projection devices for colour picture display , e.g. using electronic spatial light modulators [ESLM]
• CPC Class Codes: H04N 9/3173 wherein the projection device is specially adapted for enhanced portability
• CPC Class Codes: H04N 9/3182 Colour adjustment, e.g. white balance, shading or gamut white balance per se H04N9/73; control of amplitude of colour signals H04N9/68; colour control circuits for displays in general G09G5/02, G09G3/2003, G09G3/3607
• CPC Class Codes: H04N 9/3194 including sensor feedback

Abstract

A projection method of an electronic device, the electronic device has projection module. The method includes: detecting motion information of the electronic device to obtain a motion parameter; determining whether the motion parameter meets a predetermined condition; and adjusting an operating state of the projection module to match a motion state of the electronic device if the motion parameter meets the predetermined condition.

Claims

1. A projection method of an electronic device having a projection module, the method comprising:

detecting motion information of the electronic device to obtain a motion parameter;

determining whether the motion parameter meets a predetermined condition; and

adjusting an operating state of the projection module to match a motion state of the electronic device, if the motion parameter meets the predetermined condition.

2. The method according to claim 1, wherein determining whether the motion parameter meets a predetermined condition comprises:

determining whether the motion parameter indicates that the electronic device is switched between a stationary state and the motion state;

or

determining whether a motion amplitude of the electronic device indicated by the motion parameter exceeds a predetermined amplitude.

3. The method according to claim 1, wherein adjusting an operating state of the projection module comprises:

adjusting the projection module to switch between a projection mode and a non-projection mode;

or

adjusting a projection parameter of the projection module

4. The method according to claim 1, wherein adjusting an operating state of the projection module if the motion parameter meets the predetermined condition comprises:

controlling the projection module to be in a non-projection state if a variation in the motion parameter indicates that the electronic device is switched from a stationary state to a motion state; and

controlling the projection module to be in a projection state, if a variation in the motion parameter indicates that the electronic device is switched from a motion state to a stationary state.

5. The method according to claim 4, wherein adjusting the operating state of the projection module further comprises:

detecting an application running in the electronic device, wherein content of the application is projected by the projection module;

suspending the running of the application if the electronic device is switched from a stationary state to a motion state; and

continuing the running of the application if the electronic device is switched from a motion state to a stationary state.

6. The method according to claim 3, wherein the projection parameter comprises a brightness value, and said adjusting a projection parameter of the projection module comprises:

adjusting the brightness value from a first value to a second value, wherein a projection brightness indicated by the first value is different from a projection brightness indicated by the second value.

7. The method according to claim 6, wherein adjusting the brightness value from a first value to a second value comprises:

adjusting the brightness value from the first value to the second value if a variation in the motion parameter indicates that the electronic device is switched from a stationary state to a motion state, wherein the first value is greater than the second value.

8. The method according to claim 6, wherein adjusting the brightness value from a first value to a second value comprises:

adjusting the brightness value from the first value to the second value if a variation in the motion parameter indicates that the electronic device is switched from a motion state to a stationary state, wherein the first value is smaller than the second value.

9. The method according to claim 1, wherein determining whether the motion parameter meets a predetermined condition comprises:

determining whether a motion trajectory of the electronic device matches a predetermined motion trajectory according to the motion parameter; and

determining that the motion parameter meets the predetermined condition if the motion trajectory of the electronic device matches the predetermined motion trajectory.

10. An electronic device comprising:

a projection module; and

a processor configured to;

detect motion information of the electronic device to obtain a motion parameter;

determine whether the motion parameter meets a predetermined condition; and

adjust an operating state of the projection module to match a motion state of the electronic device, if the motion parameter meets the predetermined condition.

11. The electronic device according to claim 10, wherein the processor is further configured to:

determine whether the motion parameter indicates that the electronic device is switched between a stationary state and the motion state;

or

determine whether a motion amplitude of the electronic device indicated by the motion parameter exceeds a predetermined amplitude.

12. The electronic device according to claim 10, wherein the processor is further configured to:

adjust the projection module to switch between a projection mode and a non-projection mode;

or

adjust a projection parameter of the projection module.

13. The electronic device according to claim 10, wherein the processor is further configured to:

control the projection module to be in a non-projection state if a variation in the motion parameter indicates that the electronic device is switched from a stationary state to a motion state; and

control the projection module to be in a projection state if a variation in the motion parameter indicates that the electronic device is switched from a motion state to a stationary state.

14. The electronic device according to claim 13, wherein the processor is further configured to:

detect an application running in the electronic device, wherein content of the application is projected by the projection module;

suspend the running of the application if the electronic device is switched from a stationary state to a motion state; and

continue the running of the application if the electronic device is switched from a motion state to a stationary state.

15. The electronic device according to claim 10, wherein the projection parameter comprises a brightness value;

and the processor is further configured to adjust the brightness value from a first value to a second value, wherein a projection brightness indicated by the first value is different from a projection brightness indicated by the second value.

16. The electronic device according to claim 15, wherein the processor is further configured to:

adjust the brightness value from the first value to the second value if a variation in the motion parameter indicates that the electronic device is switched from a stationary state to a motion state, wherein the first value is greater than the second value.

17. The electronic device according to claim 15, wherein the processor is further configured to adjust the brightness value from the first value to the second value if a variation in the motion parameter indicates that the electronic device is switched from a motion state to a stationary state, wherein the first value is smaller than the second value.

18. The electronic device according to claim 10, wherein the processor is further configured to:

determine whether a motion trajectory of the electronic device matches a predetermined motion trajectory;

determine that the motion parameter meets the predetermined condition if the motion trajectory matches the predetermined motion trajectory.

19. The electronic device according to claim 18, wherein the processor is further configured to control the projection module to be in a non-projection mode if the motion trajectory of the electronic device matches the predetermined motion trajectory.