Dual-Sided Keypad Screen Button Interface
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Solution Overview
Problem
Touch screens lack tactile feedback, making them difficult for many users to navigate effectively, as existing methods like graphical, audio, and vibration methods do not fully replicate the physical experience of button presses.
Innovation Solution
The implementation of a dual-sided user interface where a screen on one side of an electronic device is paired with physical buttons on the opposite side, allowing users to press buttons to activate corresponding control elements on the screen, leveraging neurological alignment of thumbs and index fingers for accurate input, and incorporating graphical and audio feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a touch screen is used to increase screen area and reduce physical controls, then the device area for input controls is reduced, but tactile feedback is lost making the device difficult to use
Solution Approach 1:
The patent introduces a second dimension by placing physical buttons on the back side of the device opposite to the screen. This allows the device to maintain a large front screen area while providing tactile feedback through buttons on the opposite side, resolving the contradiction between screen area and tactile feedback.
Solution Approach 2:
The physical buttons on the back side act as intermediaries that provide tactile feedback to the user. When a button is pressed, it activates a corresponding control element on the screen, mediating between the user's tactile input and the visual display without requiring direct contact with the screen itself.
2Ease of operation
If graphical and audio feedback methods are used to simulate button presses, then tactile feedback is provided, but the physical experience of button presses is not fully replicated
Solution Approach 1:
The patent creates a physical copy of the button interface on the back side of the device. These buttons replicate the tactile sensation of physical button presses while corresponding to control elements on the screen, providing authentic tactile feedback without relying on graphical or audio simulations.
Data Source
AI summary
A touch-based user interface for an electronic device, including a housing including electronic circuitry, a plurality of buttons mounted within a first area on a first side of the housing, and a screen mounted on a second area of a second side of the housing, the second side being opposite to the first side, and the second area being opposite to at least a portion of the first area, wherein the electronic circuitry is operative (i) to display on the screen at least one user interface control element that corresponds respectively to at least one button, each such user interface control element having a command associated therewith, and (ii) to perform the command associated with a designated user interface control element when its corresponding button is pressed. A method and a computer-readable storage medium is also described and claimed.