Screen Sharing Terminal Apparatus with Dynamic Region Segmentation
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Solution Overview
Problem
Existing screen sharing systems do not allow users without authority to perform individual operations on shared screens, limiting flexibility and operability in collaborative environments.
Innovation Solution
A terminal apparatus with an operation receiving unit and a display control unit that enables users to switch between shared and unshared modes, allowing users without authority to perform individual operations on view or material screens without affecting the display on other terminals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screen sharing is implemented with authority-based control, then system security and control are improved, but user flexibility and operability deteriorate
Solution Approach 1:
The system dynamically adjusts the sharing state of different screen regions based on user interactions. When a user without authority performs an input operation on a shared screen, the system switches that specific region from shared state to unshared state, allowing individual operation while maintaining other shared regions. This dynamic state transition resolves the contradiction by providing both control and flexibility at different times and locations.
Solution Approach 2:
The patent applies different sharing properties to different regions of the screen. Instead of making the entire screen either fully shared or fully unshared, the system allows certain regions to be shared while others remain unshared, or transitions specific regions to unshared state when needed. This local differentiation enables simultaneous achievement of system control and user flexibility in different areas.
2Loss of information
If full screen sharing is enforced, then information synchronization is improved, but individual operation capability deteriorates
Solution Approach 1:
The patent segments the screen into multiple regions with different sharing states. When a user without authority performs an input operation, the system identifies the specific region being operated on and switches only that region to unshared state, while other regions maintain shared state for information synchronization. This segmentation allows simultaneous achievement of synchronization and individual operation.
Solution Approach 2:
The sharing state of screen regions is not fixed but dynamically changes based on user operations. Regions transition from shared to unshared state when individual operation is needed, and can return to shared state afterward. This dynamic adjustment enables the system to adapt between synchronization and individual operation modes as needed.
Data Source
AI summary
A terminal apparatus that shares a view screen of information and a material screen associated with the information with another terminal apparatus includes an operation receiving unit configured to receive an operation of the view screen or the material screen from a user; and a display control unit configured to control a switching display of switching the view screen or the material screen so as to share a screen with the another terminal apparatus based on the operation of the view screen or the material screen when the user has an authority, wherein the display control unit controls to display the view screen without sharing the screen with the another terminal apparatus for a part of the operation of the view screen, regardless of whether the user has the authority.