Method and System for Time-Multiplexed Shared Display

• US 20110090233A1
• Filed: 10/15/2009
• Published: 04/21/2011
• Est. Priority Date: 10/15/2009
• Status: Active Grant

• Current Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Original Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Inventors: Shahraray, Behzad, Liu, Zhu, Renger, Bernard S., Gibbon, David C.
• Granted Patent: US 8,446,462 B2
• Time in Patent Office: Days
• US Class Current: 345/520
• CPC Class Codes: G02B 30/24 involving temporal multiplexing, e.g. using sequentially activated left and right shutters
• CPC Class Codes: G09G 2358/00 Arrangements for display data security
• CPC Class Codes: G09G 3/003 to produce spatial visual effects
• CPC Class Codes: G09G 5/397 Arrangements specially adapted for transferring the contents of two or more bit-mapped memories to the screen simultaneously, e.g. for mixing or overlay G09G5/02 takes precedence
• CPC Class Codes: H04N 3/02 by optical-mechanical means only H04N3/36 takes precedence

Abstract

A method is provided for sharing a display. The method includes displaying periodically a first image sequence on the display in synchronicity with a first signal, and displaying periodically a second image sequence on the display in synchronicity with a second signal. The method also includes selecting by a user the first image sequence for viewing, and shuttering periodically a set of goggles for the user in synchronicity with the first signal. A method is provided for sharing a display. The method includes displaying periodically a private image sequence on the display in synchronicity with a first signal, and displaying periodically a non-private image sequence on the display. In the method, the private image sequence and the non-private image sequence combine to form a public image sequence on the display. A system is provided for sharing a display.

Claims

1. A method for sharing a display, comprising:

displaying periodically a first image sequence on the display in synchronicity with a first signal;

displaying periodically a second image sequence on the display in synchronicity with a second signal;

selecting by a user the first image sequence for viewing; and

shuttering periodically a set of goggles for the user in synchronicity with the first signal.

2. The method of claim 1, further comprising:

selecting by the user the second image sequence for viewing; and

shuttering periodically the set of goggles for the user in synchronicity with the second signal.

3. The method of claim 1, further comprising:

selecting by a second user one of the first image sequence and the second image sequence for viewing; and

shuttering periodically a second set of goggles for the second user in synchronicity with the one of the first signal and the second signal corresponding to the one of the first image sequence and the second image sequence selected.

4. The method of claim 1, wherein:

the first image sequence is a first moving image sequence; and

the second image sequence is a second moving image sequence.

5. The method of claim 1, wherein the displaying periodically of the first image sequence and the second image sequence is performed alternately.

6. The method of claim 1, wherein the first image sequence and the second image sequence represent different viewpoints.

7. The method of claim 1, wherein the first image sequence is a censored version of the second image sequence.

8. The method of claim 1, wherein the first image sequence is a combination of the second image sequence and additional content.

9. The method of claim 1, wherein:

the displaying periodically of the first image sequence includes displaying periodically a first right image sequence on the display in synchronicity with a first right signal and displaying periodically a first left image sequence on the display in synchronicity with a first left signal;

the shuttering periodically of the set of goggles includes shuttering periodically a right eye goggle of the set of goggles in synchronicity with the first right signal and shuttering periodically a left eye goggle of the set of goggles in synchronicity with the first left signal; and

the first right image sequence and the first left image sequence combine to form a stereoscopic image sequence.

10. A method for sharing a display, comprising:

displaying periodically a private image sequence on the display in synchronicity with a first signal; and

displaying periodically a non-private image sequence on the display;

wherein the private image sequence and the non-private image sequence combine to form a public image sequence on the display.

11. The method of claim 10, wherein the non-private image sequence includes a negative image sequence on a part of the display, the negative image sequence including an inverse of the private image sequence causing the part of the display to appear gray in the public image sequence.

12. The method of claim 10, wherein the non-private image sequence includes the private image sequence on a part of the display causing the part of the display to appear as the private image sequence in the public image sequence.

13. The method of claim 10, wherein the private image sequence includes a black image sequence on a part of the display causing the part of the display to appear as the non-private image sequence in the public image sequence.

14. The method of claim 10, further comprising shuttering periodically a set of goggles for a user in synchronicity with the first signal.

15. The method of claim 10, further comprising:

displaying periodically a second private image sequence on the display in synchronicity with a second signal;

wherein the negative image sequence further includes a second inverse of the second private image sequence.

16. The method of claim 15, further comprising:

selecting by a user one of the private image sequence and the second private image sequence for viewing; and

shuttering periodically a set of goggles for the user in synchronicity with the one of the first signal and the second signal corresponding to the one of the private image sequence and the second private image sequence selected.

17. The method of claim 10, wherein the displaying periodically of the private image sequence and the non-private image sequence is performed alternately.

18. The method of claim 10, wherein:

the private image sequence is a private moving image sequence; and

the non-private image sequence is a public moving image sequence.

19. The method of claim 10, wherein:

the displaying periodically of the private image sequence includes displaying periodically a private right image sequence on the display in synchronicity with a first right signal and displaying periodically a private left image sequence on the display in synchronicity with a first left signal;

the shuttering periodically of the set of goggles includes shuttering periodically a right eye goggle of the set of goggles in synchronicity with the first right signal and shuttering periodically a left eye goggle of the set of goggles in synchronicity with the first left signal; and

the private right image sequence and the private left image sequence combine to form a stereoscopic image sequence.

20. A system for sharing a display, comprising:

means for displaying periodically a first image sequence on the display in synchronicity with a first signal;

means for displaying periodically a second image sequence on the display in synchronicity with a second signal;

means for selecting by a user the first image sequence for viewing; and

means for shuttering periodically a set of goggles for the user in synchronicity with the first signal.

21. A system for sharing a display, comprising:

means for displaying periodically a private image sequence on the display in synchronicity with a first signal; and

means for displaying periodically a non-private image sequence on the display;

wherein the private image sequence and the non-private image sequence combine to form a public image sequence on the display.