Adaptive Pen Input Coordinate Mapping for External Displays
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Solution Overview
Problem
Electronic devices, when coupled with external display devices, lack a pen input scheme optimized for a desktop-like environment, leading to user inconvenience due to the same mobile pen input scheme being used without consideration for the larger screen context.
Innovation Solution
An electronic device with a touch screen and processor that adapts its input mode to match the entire or partial region of an external display, allowing for pen input in a desktop-like environment by rendering a second screen format on the external display and determining touch input coordinates accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the electronic device uses the same pen input scheme as mobile environment when coupled with external display device, then the device maintains consistency in input method, but the user experience deteriorates due to lack of optimization for desktop-like environment
Solution Approach 1:
The system dynamically switches between mobile pen input mode and desktop pen input mode based on whether an external display device is coupled. When external display is detected, the system activates desktop-optimized coordinate mapping and input behavior, otherwise it maintains mobile input scheme, enabling adaptive optimization without sacrificing consistency
Solution Approach 2:
The system changes the coordinate mapping parameters based on the operating mode. In desktop mode, the coordinate transformation ratio is adjusted to map the smaller touchscreen coordinates to the larger external display coordinates, while in mobile mode the original coordinate system is maintained, thus optimizing input precision for each environment
2Area of stationary object
If the electronic device couples with external display device to provide desktop-like environment, then the screen display capability is improved, but the input coordination complexity increases
Solution Approach 1:
The system segments the display coordination into two independent modes: mobile mode for touchscreen-only operation and desktop mode for external display operation. Each mode has its own coordinate mapping logic, simplifying the overall system by avoiding the need to handle all possible configurations simultaneously
3Area of stationary object
If the electronic device uses entire region mapping mode, then the input coverage is maximized, but the precision for specific application regions may be reduced
Solution Approach 1:
The system provides different coordinate mapping strategies for different usage scenarios. Entire region mapping mode is provided for general use to maximize coverage, while partial region mapping mode is available for applications requiring higher precision in specific areas, allowing users to select the appropriate mapping quality for their current task
Data Source
AI summary
Various embodiments of the present invention relate to an electronic device and an input control method thereof. The electronic device may include: a touch screen display; a wireless communication circuit; a processor operatively coupled with the touch screen display, the wireless communication circuit, and the connector; and a memory operatively coupled with the processor. The memory may store instructions, when executed, for allowing the processor to render a screen including a plurality of icons in a set format when the electronic device is coupled with the external display device via the connector, and provide data related to the screen to the external display device, wherein the screen is adapted with a first relation in which an entire region of the touchscreen display corresponds to an entire region of the external display device or a second relation in which the entire region of the touchscreen display corresponds to a partial region of the external display device. Additional various other embodiments are also possible.