Selectively sharing screen data

• US 20060031779A1
• Filed: 05/26/2005
• Published: 02/09/2006
• Est. Priority Date: 04/15/2004
• Status: Abandoned Application

• Current Assignee: Citrix Systems, Inc. (Cloud Software Group)
• Original Assignee: Citrix Systems, Inc. (Cloud Software Group)
• Inventors: Green, Brian D., Alexandrov, Albert, Christiansen, Bernd Oliver, Schauser, Klaus E., Saavedra, Rafael H., Von Eicken, Thorsten, Theurer, David Frederic
• Application Number:
  US11/140,597
• Publication Number:
  US 20060031779A1
• Time in Patent Office: Days
• US Class Current: 715/781
• CPC Class Codes: G06F 3/1454 involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
• CPC Class Codes: G09G 2310/04 Partial updating of the display screen
• CPC Class Codes: G09G 2340/10 Mixing of images, i.e. displayed pixel being the result of an operation, e.g. adding, on the corresponding input pixels
• CPC Class Codes: G09G 5/14 Display of multiple viewports
• CPC Class Codes: H04L 12/1813 for computer conferences, e.g. chat rooms instant messaging H04L51/04; protocols for multimedia communication H04L65/1101; arrangements for multi-party communication H04L65/403; telephonic conference arrangements H04M3/56; television conference systems H04N7/15

Abstract

The present invention relates to systems and methods for providing screen sharing techniques to selectively share portions of the screen between a source node and a consumer node. The source node, such as the computer of a presenter of an online meeting, may transmit screen data to a consumer node, such as the computer of an attendee of the online meeting. The consumer or attendee computer uses the screen data to display the screen of the source or presenter'"'"'s computer. The techniques of the present invention provide a mechanism for not sharing a selective portion of the presenter'"'"'s screen during screen sharing. So, although a certain element may be displayed on the screen of the presenter, the present invention prevents an attendee from viewing the user interface element in the screen share session.

Claims

1. A method for selectively sharing screen data between a first computing device and a second computing device, the second computing device displaying the screen data of the first computing device, the method comprising the steps of:

(a) storing to a first location a first portion of screen data for one or more screen elements displayed on the first computing device;

(b) storing to a second location a second portion of screen data for a user interface element displayed on the first computing device; and

(c) transmitting the first portion of screen data stored in the first location to the second computing device.

2. The method of claim 1, wherein the user interface element comprises a layered window.

3. The method of claim 1, comprising displaying the user interface element using a layered windows application programming interface.

4. The method of claim 1, wherein the user interface element comprises a user interface element selected from the group consisting of:

a control panel, a dialog, a popup menu, a tool tip, a chat bubble, and a system bubble.

5. The method of claim 1, wherein the user interface element comprises a communication selected from the group consisting of:

a private, a sensitive, or a confidential communication of a user.

6. The method of claim 1, comprising representing the one or more screen elements as a plurality of tiles in the first portion of screen data.

7. The method of claim 6, detecting a change to a screen element of a first tile of the plurality of tiles, and providing a data packet representing the change to the first tile.

8. The method of claim 7, wherein transmitting further comprises synchronizing the data packet with the second computing device using a bandwidth-adaptive mechanism.

9. The method of claim 1, wherein the first location comprises one of a software component or a hardware component.

10. The method of claim 1, wherein the second location comprises one of a software component or a hardware component.

11. A system for selectively sharing screen data between a first computing device and a second computing device, the second computing device displaying screen data of the first computing device, the system comprising:

a first location for storing a first portion of screen data for one or more screen elements displayed on the first computing device;

a second location for storing a second portion of screen data for a user interface element displayed on the first computing device; and

a transmitter for transmitting the first portion of screen data stored in the first location to the second computing device

12. The system of claim 11, wherein the user interface element comprises a layered window.

13. The system of claim 11, wherein the second portion of screen data for the user interface element is stored to the second location via a layered windows application programming interface.

14. The system of claim 11, wherein the user interface element comprises a user interface element selected from the group consisting of:

a control panel, a dialog, a popup menu, a tool tip, a chat bubble, and a system bubble.

15. The system of claim 11, wherein the user interface element comprises a communication selected from the group consisting of:

a private, a sensitive, or a confidential communication of a user.

16. The system of claim 11, wherein the first portion of screen data comprises a plurality of tiles representing the one or more screen elements.

17. The system of claim 16, comprising a detector to detect a change to a screen element of a first tile of the plurality of tiles.

18. The system of claim 17, comprising a mechanism to provide a data packet to the transmitter, the data packet comprising a representation of the change to the first tile.

19. The system of claim 18, wherein the transmitter synchronizes the data packet with the second computing device using a bandwidth-adaptive mechanism.

20. The system of claim 11, wherein the first location comprises one of a software component or a hardware component.

21. The system of claim 11, wherein the second location comprises one of a software component or a hardware component.

22. A system for selectively sharing screen data between a first computing device and a second computing device, the second computing device displaying screen data of the first computing device, the system comprising:

a means for storing to a first location a first portion of screen data for one or more screen elements displayed on the first computing device is stored;

a means for storing to a second location a second portion of screen data for a user interface element displayed on the first computing device and

a means for transmitting the first portion of screen data stored in the first location to the second computing device

23. The system of claim 22, wherein the user interface element comprises a layered windows.

24. The system of claim 22, comprising a means for storing the second portion of screen data for the user interface element to the second location via a layered windows application programming interface

25. The system of claim 22, wherein the user interface element comprises a user interface element selected from the group consisting of:

a control panel, a dialog, a popup menu, a tool tip, a chat bubble, and a system bubble.

26. The system of claim 22, wherein the user interface element comprises a communication selected from the group consisting of:

a private, a sensitive, or a confidential communication of a user.

27. The system of claim 22, comprising a means for representing the one or more screen elements in the first portion of screen data as a plurality of tiles.

28. The system of claim 27, comprising a means for detecting a change to a screen element of a first tile of the plurality of tiles.

29. The system of claim 28, comprising a means for providing a data packet representing the change to the first tile.

30. The system of claim 29, comprising a means for synchronizing the data packet with the second computing device using a bandwidth-adaptive mechanism.

31. The system of claim 22, wherein first location comprises one of a software component or a hardware component.

32. The system of claim 22, wherein the second location comprises one of a software component or a hardware component.