Systems and methods for a wearable touch-sensitive device

1. A touch-sensitive device capable of being worn by a user, comprising:

a display screen configured to display graphical information;

a substrate with an outside surface and an inside surface opposite from the outside surface, wherein the substrate is configured to support the display screen;

a first contact-sensing component coupled to the substrate and configured to generate a first signal responsive to detecting a first contact with at least a portion of the outside surface;

a second contact-sensing component coupled to the substrate and configured to generate a second signal responsive to detecting a second contact with at least a portion of the inside surface; and

a processor configured to interface with the first contact-sensing component and the second contact-sensing component, and to perform operations comprising:

responsive to determining, based upon an analysis of both the first signal and the second signal, that a predetermined condition is satisfied:

determining, based on the predetermined condition, a function from a plurality of different functions; and

initiating the function,

wherein determining that the predetermined condition is satisfied comprises:

determining whether the first contact corresponds to a first stationary contact or a first moving contact, wherein determining whether the first contact corresponds to the first moving contact comprises determining a direction of movement of the first contact relative to the outside surface of the substrate; and

determining whether the second contact corresponds to a second stationary contact or a second moving contact, wherein determining whether the second contact corresponds to the second moving contact comprises determining a direction of movement of the second contact relative to the inside surface of the substrate.

2. The touch-sensitive device of claim 1 , wherein the first contact-sensing component comprises:

an array of discrete touch sensors.

3. The touch-sensitive device of claim 1 , wherein the first contact-sensing component comprises:

a single, continuous touch sensor.

4. The touch-sensitive device of claim 1 , wherein the second contact-sensing component comprises:

an array of discrete touch sensors.

5. The touch-sensitive device of claim 1 , wherein the second contact-sensing component comprises:

a single, continuous touch sensor.

6. The touch-sensitive device of claim 1 , wherein the processor is further configured to determine that the first contact and the second contact are each maintained for a predetermined time interval.

7. The touch-sensitive device of claim 1 , wherein the first contact-sensing component is part of the display screen, the display screen comprising a touch screen.

8. The touch-sensitive device of claim 7 , wherein the touch screen is flexible.

9. The touch-sensitive device of claim 1 , further comprising:

a shield disposed between the first contact-sensing component and the second contact-sensing component, the shield being configured to reduce a detection of the first contact by the second contact-sensing component.

10. The touch-sensitive device of claim 1 , further comprising:

a shield disposed between the first contact-sensing component and the second contact-sensing component, the shield being configured to reduce a detection of the second contact by the first contact-sensing component.

11. A method comprising:

receiving a first signal generated by a first contact-sensing component of a touch-sensitive device responsive to the first contact-sensing component detecting a first contact with at least a portion of an outside surface of a substrate of the touch-sensitive device, wherein the touch-sensitive device further comprises a display screen that is supported by the substrate and that is configured to display graphical information, and wherein the touch-sensitive device is capable of being worn by a user;

receiving a second signal generated by a second contact-sensing component of the touch-sensitive device responsive to the second contact-sensing component detecting a second contact with at least a portion of an inside surface of the substrate of the touch-sensitive device, the inside surface being opposite from the outside surface;

responsive to determining, based upon an analysis of both the first signal and the second signal, that a predetermined condition is satisfied:

determining, based on the predetermined condition, a function from a plurality of different functions; and

initiating the function,

wherein determining whether the predetermined condition is satisfied comprises:

determining that the first contact corresponds to a first stationary contact or a first moving contact, wherein determining whether the first contact corresponds to the first moving contact comprises determining a direction of movement of the first contact relative to the outside surface of the substrate; and

determining whether the second contact corresponds to a second stationary contact or a second moving contact, wherein determining whether the second contact corresponds to the second moving contact comprises determining a direction of movement of the second contact relative to the inside surface of the substrate.

12. The method of claim 11 , wherein the analysis of both the first signal and the second signal comprises:

determining that the first signal corresponds to a detection of a respective stationary contact at each of a plurality of locations on the outside surface, and

determining that the second signal corresponds to a detection of a stationary contact at one or more locations on the inside surface.

13. The method of claim 11 , wherein the analysis of both the first signal and the second signal comprises:

determining that the first signal corresponds to a detection of a respective stationary contact at each of at least two locations on the outside surface, the at least two locations on the outside surface being a predetermined distance apart, and

determining that the second signal corresponds to a detection of a moving contact at one or more locations on the inside surface.

14. The method of claim 11 , wherein the analysis of both the first signal and the second signal comprises:

determining that the first signal corresponds to a detection of a moving contact along a portion of the outside surface, and

determining that the second signal corresponds to a detection of a stationary contact at one or more locations on the inside surface.

15. The method of claim 11 , wherein the analysis of both the first signal and the second signal comprises:

determining that the first signal corresponds to a detection of a respective stationary contact at each of at least two locations on the outside surface, and

determining that the second signal corresponds to a detection of a respective stationary contact at each of at least two locations on the inside surface opposite from the at least two locations on the outside surface.

16. The method of claim 11 , wherein the analysis of both the first signal and the second signal comprises determining that the first contact and the second contact are each maintained for a predetermined time interval.

17. The method of claim 11 , wherein the first contact and the second contact are overlapping in time.

18. The method of claim 11 , wherein the analysis of both the first signal and the second signal comprises:

determining that at least one of the first contact or the second contact is associated with a value greater than a threshold value, the threshold value being associated with a detection of the first contact by the second contact-sensing component or a detection of the second contact by the first contact-sensing component.

19. The touch-sensitive device of claim 1 , wherein the first contact and the second contact are overlapping in time.

20. The touch-sensitive device of claim 1 , wherein at least one of the first contact-sensing component or the second contact-sensing component is at least partially integrated into the substrate.

21. The method of claim 11 , wherein at least one of the first contact-sensing component or the second contact-sensing component is at least partially integrated into the substrate.

22. The method of claim 11 , wherein the first contact-sensing component is part of the display screen, the display screen comprising a touch screen.

23. A non-transitory computer usable storage medium comprising computer-readable program code that, when executed, causes a processor to perform operations comprising:

receiving a first signal generated by a first contact-sensing component of a touch-sensitive device responsive to the first contact-sensing component detecting a first contact with at least a portion of an outside surface of a substrate of the touch-sensitive device, wherein the touch-sensitive device further comprises a display screen that is supported by the substrate and that is configured to display graphical information, and wherein the touch-sensitive device is capable of being worn by a user;

receiving a second signal generated by a second contact-sensing component of the touch-sensitive device responsive to the second contact-sensing component detecting a second contact with at least a portion of an inside surface of the substrate of the touch-sensitive device, the inside surface being opposite from the outside surface;

responsive to determining, based upon an analysis of both the first signal and the second signal, that a predetermined condition is satisfied:

determining, based on the predetermined condition, a function from a plurality of different functions; and

initiating the function,

wherein determining whether the predetermined condition is satisfied comprises:

determining that the first contact corresponds to a first stationary contact or a first moving contact, wherein determining whether the first contact corresponds to the first moving contact comprises determining a direction of movement of the first contact relative to the outside surface of the substrate; and

determining whether the second contact corresponds to a second stationary contact or a second moving contact, wherein determining whether the second contact corresponds to the second moving contact comprises determining a direction of movement of the second contact relative to the inside surface of the substrate.