Joan Audrey Thompson

US Patent:

50439197, Aug 27, 1991

Filed:

Dec 19, 1988

Appl. No.:

7/287751

Inventors:

Janet R. Callaway - Austin TX
John M. McConaughy - Austin TX
Steven T. Pancoast - Austin TX
Joan M. Thompson - Albuquerque NM

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 1520

US Classification:

364521

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.

US Patent:

52553612, Oct 19, 1993

Filed:

Apr 4, 1991

Appl. No.:

7/680218

Inventors:

Janet R. Callaway - Austin TX
John M. McConaughy - Austin TX
Steven T. Pancoast - Austin TX
Joan M. Thompson - Albuquerque NM

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 1562

US Classification:

395162

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, a 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.