Private regions within a shared workspace
Patent 5107443 Issued on April 21, 1992. Estimated Expiration Date: 
April 21, 2009. 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.
April 21, 2009. 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 ReferencesInteractive visual communications system Electronic conference system Workstation for interfacing with a video conferencing network System for merging virtual partitions of a distributed database Method for providing information security protocols to an electronic calendar Object processing for video system using slips and linked list Method for generating a document utilizing a plurality of windows associated with different data objects Small-scale workspace representations indicating activities by other users Accelerating link creation User interface control for communication system InventorsAssigneeApplicationNo. 241525 filed on 09/07/1988US Classes:715/751, Computer supported collaborative work between plural users713/166, Security levels713/167, Object protection715/759, Group window715/803, Window differentiation715/854Navigation within structureExaminersPrimary: Shaw, Dale M.Assistant: Huntley, David Attorney, Agent or FirmInternational ClassG06F 003/14AbstractIn a shared navigable workspace that is presented at more than one workstation, a region is made private in response to a user request. The user can also indicate the region's level of privacy by indicating levels of access of different users. The private region's contents are displayed only to users that have visual access; a non-informative pattern covers the region's area on the displays of other users. The private region and its contents can be modified only by a user with access to modify. When a user requests movement of a pointer into the private region, the pointer can be presented in the private region if the user has sufficient access; otherwise, the pointer would be kept outside the private region's boundary. If a user requests a transition into the private region by selecting a selectable transition unit, called a teleporter, the request would be denied unless the user has sufficient access. The pointer can operate according to a physical metaphor in which it picks up, holds, and puts down other objects, and the user can be permitted to move an object into the private region or to pick up an object within the private region only if the user has sufficient access. Within such a metaphor, a key display object held by a user's pointer can indicate that the user has sufficient access to move the pointer into a corresponding private region; if the user's pointer is not holding the key, it cannot move into the private region.Other References
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