Interactive input system and method

• US 9,442,602 B2
• Filed: 06/15/2012
• Issued: 09/13/2016
• Est. Priority Date: 06/15/2011
• Status: Active Grant

• Current Assignee: Smart Technologies ULC (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Smart Technologies ULC (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Wilding, Neal Hanebury, Tse, Derek, Strilchuk, Michael Andrew, Gill, Harold, Tse, Edward, Fletcher, Mark, Thompson, Sean, Martin, David, Rounding, Kathryn, Boykiw, Alan Peter, Boyle, Michael, Xin, Min
• Primary Examiner(s): Patel, Sanjiv D
• Application Number:
  US13/524,752
• Publication Number:
  US 20120319972A1
• Time in Patent Office: 1,551 Days
• Field of Search: 345156-158, 345173-183
• US Class Current: 1/1
• CPC Class Codes: G06F 1/3262 Power saving in digitizer or tablet
• CPC Class Codes: G06F 2203/04106 Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
• CPC Class Codes: G06F 3/042 by opto-electronic means

Abstract

An interactive input system comprises an interactive surface; at least one proximity sensor in proximity with the interactive surface and generating output signifying user proximity to the interactive surface; and processing structure configured to process user input generated in response to user interaction with said interaction input system and output from the at least one proximity sensor, said processing structure controlling interactive input system operation based upon at least one of said user input and proximity sensor output.

Claims

1. An interactive input system comprising:

an interactive surface;

at least one proximity sensor mounted along a bezel surrounding the interactive surface and configured to generate output signifying presence of one or more users in proximity to the interactive surface; and

processing structure configured to process user input generated in response to user interaction with said interactive input system and output from the at least one proximity sensor signifying the presence of one or more users in proximity to the interactive surface and to control interactive input system operation based upon said user input and proximity sensor output,

wherein said interactive input system is operable in an interactive mode, a ready mode, and a standby mode,

wherein when the interactive input system is operating in either the ready mode or the standby mode, the processing structure is configured to condition said interactive input system to operate in said interactive mode in response to user input generated at least in response to user interaction with said interactive surface,

wherein when the interactive input system is operating in the standby mode, the processing structure is configured to condition said interactive input system to operate in said ready mode in response to proximity sensor output that signifies the presence of one or more users in proximity to the interactive surface, and

wherein during operation in the ready mode, the processing structure is configured to condition the interactive input system to display a status indicator prompting the user to interact with the interactive surface to begin using the interactive input system in the interactive mode.

2. The interactive input system of claim 1 wherein said user input is further generated in response to user interaction with at least one input device in communication with said processing structure.

3. The interactive input system of claim 2 wherein said at least one input device comprises at least one of a keyboard and a mouse.

4. The interactive input system of claim 1 wherein the ready mode comprises a plurality of sub-modes.

5. The interactive input system of claim 1 wherein when the interactive input system is operating in the ready mode and the at least one proximity sensor has not generated output that signifies the presence of one or more users in proximity to the interactive surface for a period of time exceeding a threshold period of time, the processing structure is configured to condition said interactive input system to operate in said standby mode.

6. The interactive input system of claim 4 wherein said ready mode comprises a ready_initial sub-mode and a ready_final sub-mode and wherein when the interactive input system is operating in the standby mode, the processing structure, in response to proximity sensor output that signifies the presence of one or more users in proximity to the interactive surface, is configured to condition said interactive input system to operate in the ready_initial sub-mode.

7. The interactive input system of claim 6 wherein in absence of user input for a period of time exceeding a first threshold period of time when the interactive input system is operating in the ready_initial sub-mode, the processing structure is configured to condition said interactive input system to operate in the ready_final sub-mode.

8. The interactive input system of claim 7 wherein when the interactive input system is operating in the ready_final sub-mode and the at least one proximity sensor has not generated output that signifies the presence of one or more users in proximity to the interactive surface for a period of time exceeding a second threshold period of time, the processing structure is configured to condition said interactive input system to operate in said standby mode.

9. The interactive input system of claim 1 wherein when the interactive input system is operating in the interactive mode, the processing structure, in response to actuation of an interactive input system power button, is configured to condition said interactive input system to operate in the standby mode.

10. The interactive input system of claim 1 wherein the at least one proximity sensor comprises a plurality of proximity sensors.

11. The interactive input system of claim 10 wherein at least one of the proximity sensors is configured to detect a user positioned in front of the interactive surface.

12. The interactive input system of claim 11 wherein other proximity sensors are configured to detect a user positioned adjacent a side of the interactive surface.

13. The interactive input system of claim 10 wherein each of the proximity sensors is configured to detect a user positioned in front of the interactive surface.

14. The interactive input system of claim 10 wherein said proximity sensors are positioned at spaced locations about said interactive surface.

15. The interactive input system of claim 14 wherein said proximity sensors are mounted on a bezel that at least partially surrounds said interactive surface.

16. The interactive input system of claim 15 wherein at least two proximity sensors are positioned adjacent opposite sides of said interactive surface and wherein at least one proximity sensor is positioned adjacent the middle of said interactive surface.

17. The interactive input system of claim 16 wherein said at least two proximity sensors and said at least one proximity sensor are arranged in a line along the same side of said interactive surface.

18. The interactive input system of claim 10 wherein said proximity sensors are selected from the group consisting of ultrasonic proximity sensors and infrared proximity sensors.

19. The interactive input system of claim 1 further comprising a status indicator for indicating the approximate position of a user in proximity to the interactive surface.

20. The interactive input system of claim 19 wherein the status indicator further indicates the interactive input system operational mode.

21. The interactive input system of claim 19 wherein the status indicator comprises a plurality of illumination sources.

23. The interactive input system of claim 1 wherein when the interactive input system is operating in the interactive mode, in the absence of user input for a threshold period of time, the processing structure is configured to condition said interactive input system to operate in said ready mode.

24. The interactive input system of claim 8 wherein when the interactive input system is operating in the interactive mode, in the absence of user input for a third threshold period of time, the processing structure is configured to condition said interactive input system to operate in said ready_initial sub-mode.

25. The interactive input system of claim 1 wherein when the interactive input system is operating in said standby mode, no image is presented on said interactive surface.

26. The interactive input system of claim 24 wherein when the interactive input system is operating in said standby mode, no image is presented on said interactive surface.

27. The interactive input system of claim 26 wherein when the interactive input system is operating in said ready_initial sub-mode, a dim user interface is presented on said interactive surface.

28. The interactive input system of claim 27 wherein when the interactive input system is operating in said ready_final sub-mode, the status indicator is brightly presented on said interactive surface.

22. A method of operating an interactive input system comprising:

receiving user input generated at least in response to user interaction with an interactive surface surrounded by a bezel having at least one proximity sensor;

receiving sensor output from the at least one proximity sensor in response to presence of one or more users in proximity to said interactive surface; and

processing said user input and said sensor output to determine an operating mode of the interactive input system, wherein the operating mode is one of an interactive mode, a ready mode, and a standby mode, and wherein said processing comprises;

when the interactive input system is operating in either the ready mode or the standby mode, in response to said received user input, conditioning the interactive input system to operate in said interactive mode;

when the interactive input system is operating in the standby mode, in response to sensor output, conditioning the interactive input system to operate in said ready mode; and

when the interactive input system is operating in the ready mode, conditioning the interactive input system to display a status indicator prompting the user to interact with the interactive surface to begin using the interactive input system in the interactive mode.

29. An interactive input system comprising:

an interactive surface;

at least one proximity sensor adjacent the interactive surface; and

at least one processor configured to process user input generated in response to user interaction with said interactive surface, to process output from the at least one proximity sensor generated in response to one or more users being in proximity to said interactive surface, and in response to determine an operating mode of said interactive input system,

wherein said interactive input system is operable in an interactive mode, a ready mode, and a standby mode,

wherein when the interactive input system is operating in either the ready mode or the standby mode, the processor is configured to condition said interactive input system to operate in said interactive mode in response to user input generated at least in response to user interaction with said interactive surface,

wherein when the interactive input system is operating in the standby mode, the processor is configured to condition said interactive input system to operate in said ready mode in response to proximity sensor output,

wherein when the interactive input system is operating in the ready mode and the at least one proximity sensor has not generated output that signifies one or more users being in proximity to the interactive surface for a period of time exceeding a first threshold period of time, the processor is configured to condition said interactive input system to operate in said standby mode, and

wherein during operation in the ready mode, the processing structure is configured to condition the interactive input system to display a status indicator prompting the user to interact with the interactive surface to begin using the interactive input system in the interactive mode.

30. The interactive input system of claim 29 wherein said ready mode comprises a ready_initial sub-mode and a ready_final sub-mode and wherein when the interactive input system is operating in the standby mode, the processing structure, in response to proximity sensor output that signifies one or more users being in proximity to the interactive surface, is configured to condition said interactive input system to operate in the ready_initial sub-mode.

31. The interactive input system of claim 30 wherein in absence of user input for a period of time exceeding a second threshold period of time when the interactive input system is operating in the ready_initial sub-mode, the processing structure is configured to condition said interactive input system to operate in the ready_final sub-mode.

32. The interactive input system of claim 31 wherein when the interactive input system is operating in the ready_final sub-mode and the at least one proximity sensor has not generated output that signifies one or more users being in proximity to the interactive surface for a period of time exceeding the first threshold period of time, the processing structure is configured to condition said interactive input system to operate in said standby mode.

33. The interactive input system of claim 32 wherein when the interactive input system is operating in the interactive mode, the processing structure, in response to actuation of an interactive input system power button, is configured to condition said interactive input system to operate in the standby mode.

34. The interactive input system of claim 32 wherein when the interactive input system is operating in the interactive mode, in the absence of user input for a third threshold period of time, the processing structure is configured to condition said interactive input system to operate in said ready_initial sub-mode.

35. The interactive input system of claim 29 wherein when the interactive input system is operating in said standby mode, no image is presented on said interactive surface.

36. The interactive input system of claim 34 wherein when the interactive input system is operating in said standby mode, no image is presented on said interactive surface.

37. The interactive input system of claim 36 wherein when the interactive input system is operating in said ready_initial sub-mode, a dim user interface is presented on said interactive surface.

38. The interactive input system of claim 37 wherein when the interactive input system is operating in said ready_final sub-mode, the status indicator is brightly presented on said interactive surface.