Method of and system for updating a display unit

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G06F 1520

Patent

active

050439197

ABSTRACT:
This invention relates to updating a display unit associated with a remote computer system communicating with a host computer system. Information, which is currently being displayed on the display unit and information to be displayed thereon are compared to determine any differences which exist therebetween. If the differences exceed a predetermined value, an update command is generated and transmitted by the host computer system to the remote computer system along with the information to be displayed if facilitate the updating of the display unit. If the differences do not exceed the predetermined value, it is determined which of a plurality change categories should be used to transmit the differences to the remote system in the most efficient manner. An update command, which is associated with the selected one of the plurality of change categories, and data representing the differences are then enqueued for transmission to the remote system to facilitate the updating of the display unit.

REFERENCES:
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patent: 4642790 (1987-02-01), Minshull et al.
patent: 4665501 (1987-05-01), Saldin et al.
Sarin, S. K., "Software for Interactive On Line Conferences", To Appear in Proceedings ACM-SIGOA Conference on Office Information Systems, Jun. 1984, pp. 1-29.
Sarin, S., "Computer-Based Real-Time Conferencing Systems", Oct. 1985, pp. 33-45.
Foster, G., "Cognoter, Theory and Practice of a Colab-Orative Tool", 1986, pp. 7-15.
Steffik, M., "WYSIWIS Revised: Early Experiences with MultiUser Interfaces", Dec. 3-5, 1986, pp. 276-290.

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