Method and apparatus for interfacing a plurality of users to a plurality of applications on a common display device
Patent 5442788 Issued on August 15, 1995. Estimated Expiration Date: 
November 10, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 10, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesRepresentation of collaborative multi-user activities relative to shared structured data objects in a networked workstation environment User interface with multiple workspaces for sharing display system objects Updating local copy of shared data in a collaborative system User interface with multiple workspaces for sharing display system objects Patent #: 5233687 InventorAssigneeApplicationNo. 974036 filed on 11/10/1992ExaminersPrimary: Kriess, Kevin A.Assistant: Banankhah, Majid A. Attorney, Agent or FirmInternational ClassesG06F 009/22G06F 003/14 AbstractA multi-user multi-device system enables a plurality of users to control a single screen. Each user has one or more input devices, which can be used to control one or more stored applications. At any time, the system produces a consistent view of all applications on the single screen. The input from each user produces a response customized to the preferences of that user. Each user can inform the system of which devices that user is using. Inputs to the system initiate the building of Event Records that are queued and then directed to specific applications. The screen is updated, and the coordinates of child applications are determined, only during pauses in the operations of all applications.Other References
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