Patent EP0622929A2 successfully refreshed from Google Patents.
EP0622929A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Display control for computer collaboration system
Assignee: NCR International Inc
•
Filing: 1994-03-15
•
Granted: —
•
Expires: 2014-03-15
Abstract
Abstract In a computer system in which a plurality of computers are linked together, a host computer runs an application program which can be operated by the remote computers. A window in the display of each computer is controlled to display the same image. <IMAGE>
Inventors
- 👤 Catherine M. Fitzpatrick
- 👤 Krista S. Schwartz
- 👤 Allison A. Carleton
- 👤 Theresa M. Pommier
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 07:01
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/02; H04L12/16; H04L12/18; H04L12/1813; H04L9/00; H04L9/40; H04L67/00; H04L67/01; H04L67/133
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
48 words
A computer system including a host computer and one or more remote computers linked to the host computer, characterized by control means adapted to allow remote computers to modify the display of the host computer and to replicate the display of the host computer on the remote computers.
Claim 2
Dependent Claim
41 words
A computer system according to claim 1, characterized in that said control means is adapted to ascertain which graphics commands are currently being processed in the host computer, and to cause execution of each ascertained graphics command in the remote computers.
Claim 3
Dependent Claim
55 words
A computer system according to claim 1 or claim 2, characterized in that said control means is adapted: to identify remote graphics operations occurring on the displays of the remote computers; to notify the host computer of the identified graphics operations; and to replicate the remote graphics operations on the display of the host computer.
Claim 4
Dependent Claim
33 words
A computer system according to any one of the preceding claims, characterized in that the replicated displays are located in windows, such that one window in each computer display displays the same image.
Claim 5
Independent Claim
45 words
A method of operating a computer system including a host computer and a plurality of remote computers, characterized by the steps of: allowing remote computers to modify the display of the host computer; and replicating the display of the host computer on the remote computers.
Claim 6
Dependent Claim
45 words
A method according to claim 5, characterized by the steps of: maintaining a plurality of similar graphics commands in each computer; and, as graphics commands are executed by one of the computers, identifying each command and causing each remote computer to execute a similar command.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.