Method and apparatus for synchronizing viewed information in a c

Details Method and apparatus for synchronizing viewed information in a c Method and apparatus for synchronizing viewed information in a c

1995-11-08

1998-04-14

Ton, Dang

Multiplex communications

Special services

Conferencing

348 15, H04L 1218

Patent

active

057401616

ABSTRACT:
A method and apparatus for synchronizing viewed information between a first endpoint and a second endpoint of a conferencing environment so that the first and second endpoints display the same location of the viewed information includes one of the endpoints receiving a request to synchronize the viewed information. An identifier of the location to which the document is to be synchronized is also received. The viewed information at the endpoint is then updated to display the identified location. In one embodiment, the first endpoint receives the request to synchronize the viewed information and sends a view synchronization message to the second endpoint. The view synchronization message includes a page identifier corresponding to the identified location and a center point which identifies a location within the page corresponding to the page identifier. Upon receipt of the view synchronization message, the viewed information at the second endpoint is updated to display the identified location.

REFERENCES:
patent: 4449248 (1984-05-01), Leslie et al.
patent: 5107443 (1992-04-01), Smith et al.
patent: 5473363 (1995-12-01), Ng et al.
patent: 5548591 (1996-08-01), Horikoshi
"Picture Tel introduces new Windows 95--based desktop videconferencing product: New standards-based PCS 200 jointly developed with Compaq", Picture Tel Corporation News Release, 16 Oct., 1995, pp. 1--4.

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