Tactile Touch-Sensing Interface System with Segmented Buttons
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Solution Overview
Problem
Touch-sensing systems, commonly used in devices like smartphones, lack tactile feedback, making it difficult for users to accurately interact, especially in applications requiring quick and precise inputs like video games, where minimal visual feedback is available.
Innovation Solution
The introduction of physical button assemblies that provide tactile feedback and can communicate with touch-sensing systems directly, allowing users to configure them for existing software, thereby enhancing tactile interaction without the need for external control circuitry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a smooth touch-receiving surface is used in touch-sensing systems, then the device maintains a sleek and modern appearance, but tactile feedback is lost making it difficult for users to accurately interact with the interface
Solution Approach 1:
The patent divides the smooth touch surface into discrete segmented buttons with raised edges and depressed centers. Each button is a separate tactile element that can be individually actuated, providing distinct tactile feedback while maintaining the overall sleek appearance of the touch-sensitive display surface.
Solution Approach 2:
The patent embeds physical button structures within the touch-sensitive display surface. The buttons are integrated into the display in such a way that they appear to be nested within the smooth surface, combining the tactile feedback of physical buttons with the visual continuity of a smooth touch screen.
2Measurement precision
If capacitive touch sensors are used to detect finger touches, then the system can sense electrical properties of the user's finger, but additional electrical properties must be replicated on the touch-sensing system which increases device complexity
Solution Approach 1:
The conductive buttons are designed to serve dual functions: they provide tactile feedback to the user and simultaneously act as capacitive touch sensors. The buttons themselves generate and sense the electrical properties needed for capacitive touch detection, eliminating the need for separate electrical property replication systems.
Solution Approach 2:
The patent makes the physical buttons multi-functional by designing them to provide both mechanical tactile feedback and capacitive touch sensing capabilities. Each button serves as both a physical actuator and an electrical sensor, reducing overall system complexity while maintaining accurate touch detection.
3Device complexity
If visual feedback alone is used in applications like video games, then the device maintains simplicity, but user interaction accuracy decreases when quick and precise inputs are required
Solution Approach 1:
The patent segments the feedback system into distinct tactile and auditory components associated with each button. When a button is actuated, it provides localized tactile feedback through its mechanical structure and localized auditory feedback through associated speakers, enabling precise input confirmation without requiring complex centralized feedback systems.
Solution Approach 2:
The patent introduces intermediate feedback mechanisms (tactile and auditory) that mediate between the user's input action and the system's response. These intermediate feedback channels provide immediate confirmation of input accuracy, reducing the reliance on visual feedback alone and improving input precision in time-sensitive applications.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
These button assemblies offer discernible tactile and auditory feedback, improving user interaction accuracy and comfort by mimicking physical buttons, thus reducing the 'cost of failure' in applications like gaming.
Implementation Method 1
a frame, resilient about the base, and configured to generate tactile feedback
Implementation Method 2
configured to generate audible feedback when actuated by a user
Data Source
AI summary
A user-configurable, tactile interface system that includes mechanical buttons with several mounting options, and several methods to interface with touch-sensing devices. A user can activate a touch on a touch sensing device by pressing a physical pad, which may be textured, or raised.