Connected Display Casting With Line-of-Sight Privacy Checks
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Solution Overview
Problem
Electronic devices often inadvertently cast content to second displays that are not within an acceptable range or in line of sight, potentially exposing sensitive content to unintended viewers.
Innovation Solution
The electronic device autonomously selects a target display based on its location and the location of the second display relative to the content consumer, providing notification options when the selected display is not within range or line of sight, and allowing user input to proceed or abort the casting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the electronic device automatically casts content to any available second display, then the ease of operation is improved, but the risk of unintended content exposure increases
Solution Approach 1:
The system performs preliminary detection of the second display's location and line-of-sight status before initiating content casting. This advance verification ensures that content is only cast to displays that are both within range and visible to the user, preventing unintended exposure while maintaining automated casting functionality
Solution Approach 2:
The system provides feedback to the user about the detected location and line-of-sight status of the second display. This feedback mechanism allows the user to confirm whether casting to the detected display is intentional, creating a safety loop that prevents accidental content exposure
2Object-affected harmful factors
If the electronic device detects and verifies display location and line of sight, then content privacy is improved, but the device complexity increases
Solution Approach 1:
The second display device performs self-identification of its location and line-of-sight status relative to the first electronic device. This self-service approach eliminates the need for complex external detection systems, as the display autonomously provides the necessary spatial and visibility information
Solution Approach 2:
The system uses a unified casting control mechanism that handles both simple automatic casting and complex verified casting through the same interface. The location detection and line-of-sight verification functions are integrated into the existing casting workflow, avoiding the need for separate complex control systems
Data Source
AI summary
An electronic device, computer program product, and method provide autonomous projection of a selected viewable content to a second display. The device is configured to, in response to receiving a trigger to project selected viewable content to a selected second display: determine, by evaluating location information of the electronic device and location information of the selected second display, whether the selected second display is located within an acceptable range of and in a line-of-sight of a user of the electronic device; and in response to confirming that the second electronic device is within the acceptable range and in the line-of-sight, initiate a casting of at least the selected viewable content to the selected second display. The device is configured to withhold casting to the selected second display, pending confirmation by a user that the selected second display is the intended device to cast the selected viewable content.