Smart TV Virtual Keyboard Physical Key Sync
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Solution Overview
Problem
Smart TV users face inefficiencies in inputting text information due to the need to constantly look at the screen and physical keyboard, making traditional input methods inconvenient and slow.
Innovation Solution
A method where a smart TV displays a virtual keyboard with a layout matching a physical keyboard, receiving signals from the physical keyboard to visually indicate key selection and triggering, allowing users to input information more efficiently by maintaining consistency between physical and virtual keyboards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a virtual keyboard is displayed on the smart TV screen for user input, then the interface becomes friendly and visual, but the input efficiency decreases because users must frequently look between the physical keyboard and the screen
Solution Approach 1:
The patent implements a feedback mechanism where the smart TV displays real-time visual feedback about the physical keyboard state (which key is currently pressed or hovered) on the screen. This allows users to maintain visual attention on the screen while their finger movements on the physical keyboard are reflected in real-time, eliminating the need to look back and forth between keyboard and screen.
Solution Approach 2:
The patent creates a visual copy of the physical keyboard on the smart TV screen, displaying the state of each physical key (pressed, hovered, or inactive) as a corresponding virtual key. This copy synchronizes with the physical keyboard state, allowing users to track their input position visually without moving their eyes from the screen.
2Productivity
If users touch type on a physical keyboard, then input speed increases, but users experience poor user experience because they must constantly raise and lower their head to check input information
Solution Approach 1:
The system provides continuous visual feedback on the smart TV screen showing which physical key is currently active (pressed or hovered). This feedback loop allows users to maintain head position on the screen while their typing actions on the physical keyboard are visually tracked in real-time, improving both speed and user experience.
Solution Approach 2:
The patent adds a visual dimension to the physical keyboard interaction by projecting the keyboard state onto the smart TV screen. This creates a third dimension of interaction where users can simultaneously engage with the physical keyboard and view the corresponding visual representation on the screen without moving their heads.
Data Source
AI summary
A method for inputting signals into a smart TV and a smart interaction system includes displaying a virtual keyboard having a key layout corresponding to that of a physical keyboard used for inputting signals into a smart TV; obtaining from the physical keyboard a first signal, which is generated in response to an operator selecting a physical key on the physical keyboard and is indicative of information on a position of the selected physical key on the physical keyboard; and displaying on the virtual keyboard the position of the selected physical key based on the first signal.