Provision of a shared whitboard in a video system

A frame of information is provided with a video program, this information frame is distributed to a number of users who may then modify the information. The information frame may be displayed on a separate screen from the video program or may be presented in a picture in picture format. Means may be...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MICHAEL R ABATO, JEFFREY M HARRINGTON
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GLOBES PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PLANETARIA SEALS
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Beschreibung
Zusammenfassung:	A frame of information is provided with a video program, this information frame is distributed to a number of users who may then modify the information. The information frame may be displayed on a separate screen from the video program or may be presented in a picture in picture format. Means may be provided to selectively permit users to make modifications to the information, users may be permitted to make modifications in the order in which they request to make modifications.