Screen detection with a capacitance module

1. A capacitance module, comprising:

at least one capacitance electrode;

a controller in communication with the electrode;

memory in communication with the controller; and

programmed instructions stored in the memory and configured, when executed, to cause the controller to:

detect with the at least one capacitance electrode a broadcasted signal from an electronic display component;

wherein the broadcasted signal is generated from a pixel refresh pattern of the electronic display component.

2. The capacitance module of claim 1 , wherein the electronic display component has at least one capacitance electrode.

3. The capacitance module of claim 2 , wherein the capacitance electrode of the display component is part of a touch module.

4. The capacitance module of claim 1 , wherein the at least one capacitance electrode is a sense electrode.

5. The capacitance module of claim 1 , wherein the capacitance module has at least one transmit electrode; and

programmed instructions cause the controller, when executed, to deactivate the at least one transmit electrode during a time period to detect the broadcasted signal.

6. The capacitance module of claim 5 , wherein programmed instructions cause the controller, when executed, to tune the at least one sense electrode to a determined frequency;

drive the at least one transmit electrode at the determined frequency;

wherein the determined frequency has at least one property of the broadcasted signal from the display component.

7. The capacitance module of claim 1 , wherein the broadcasted signal from the electronic display component is electrical noise.

8. The capacitance module of claim 1 , wherein the at least one capacitance electrode is tuned to a base frequency above 100 kilohertz.

9. The capacitance module of claim 1 , wherein the detected broadcasted signal is an authentication signal.

10. The capacitance module of claim 1 , wherein programmed instructions cause the controller, when executed, to determine a location of the electronic display component based, at least in part, on the broadcasted signal.

11. The capacitance module of claim 10 , wherein programmed instructions cause the controller, when executed, to execute a response in response to the determined location of the electronic display component.

12. The capacitance module of claim 10 , wherein programmed instructions cause the controller, when executed, to change a power management setting in response to the determined location of the electronic display component.

13. A computer-program product, the computer-program product comprising a non-transitory computer-readable medium storing instructions executable by a controller to:

receive an input from a capacitance electrode where the input represents a detected broadcasted signal from an electronic display component; and

execute a response in response to receiving the input representing the detected broadcasted signal;

wherein the broadcasted signal is generated from a touch electrode of the electronic display component.

14. The computer-program product of claim 13 , wherein the capacitance electrode is part of a capacitance module.

15. The computer-program product of claim 13 , wherein the broadcasted signal is generated from a pixel refresh pattern of the electronic display component.

16. A method, comprising:

receiving an input from a capacitance electrode where the input represents a detected broadcasted signal from an electronic display component; and

executing a response in response to receiving input representing the detected broadcasted signal;

wherein the broadcasted signal is generated from pixel refresh pattern of the electric display component.

17. The method of claim 16 , wherein the capacitance electrode is part of a capacitance module.