Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Reexamination Certificate
1995-06-08
2001-09-18
Nguyen, Chanh (Department: 2675)
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
C345S215000
Reexamination Certificate
active
06292204
ABSTRACT:
The present invention relates to a system in which both graphics and video images are transferred between users of remotely located computers. More, particularly, it relates to the relationship between the graphics and video images and how these images are displayed.
REFERENCE TO A MICROFICHE APPENDIX
A microfiche appendix, containing one (1) microfiche and seventy (70) total frames is filed herewith.
BACKGROUND OF THE INVENTION
The above referenced patent applications, Ser. Nos. 08/035,092, 08/035,091, 08/033,602 and 08/034,313, describe a system in which multiple users are able to remotely operate a single computer program. This system, may be referred to as “collaborative computing.” It involves the generation of a graphical image by an application running on one of the computers and the replication of that image on the displays of the other computers. The system also involves the control of the common image including the ability of different users to change and/or annotate the image.
Another feature of this collaborative computing system is the generation of a video image of a user of one of the computers and the transfer and display of that image at remote locations.
The present invention involves the interrelationship of the graphics and video images transferred between computers.
OBJECTS OF THE INVENTION
It is therefore an object of the present invention to provide a new and improved method and apparatus for displaying a video image.
It is another object of the present invention to provide a new and improved electronic conferencing system.
It is a further object of the present invention to provide a method and system for displaying and controlling both graphics and video images on a computer display.
SUMMARY OF THE INVENTION
One form of the present invention is a method of displaying a video image in a computer which has the ability to simultaneously display multiple windows. A graphics image is displayed in a first window, and a video image is displayed in a second window having controls for annotating the graphics image in the first window.
In another form the method includes: displaying control elements in a first window; displaying a video image in a second window; and displaying a graphics image in a third window. When the graphics image is displayed, the video image is automatically transferred from the second window into the first window and the second window is closed.
In yet another form, the present invention is a computer having the ability to simultaneously display multiple windows. The computer comprises: means for displaying a graphics image in a first window; means for providing a second window having controls for annotating the graphics image in the first window; and means for displaying a video image within the second window.
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Nguyen Chanh
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