Combined Circuitry for Keypad and Touchpad Data Entry
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Solution Overview
Problem
Conventional mobile communication devices face limitations in data entry, particularly in noisy environments and when used on the go, due to the inefficiencies of voice recognition and the difficulty of using pointing devices like styluses or touchpads for alphanumeric input.
Innovation Solution
A combined circuitry component that integrates keypad functionality with touchpad functionality, allowing for conventional keypad data entry and position sensing, enabling efficient one-hand alphanumeric input through motion and gesture recognition on a single circuit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If voice recognition is used for data entry, then hands-free operation is enabled, but reliability deteriorates in noisy environments
Solution Approach 1:
The patent combines voice recognition with a tactile keypad interface into a unified system. The keypad provides tactile feedback and visual display that complement voice commands, allowing users to switch between or combine both input methods depending on environmental conditions, thereby maintaining reliability while preserving hands-free capability.
Solution Approach 2:
The system is designed to support multiple data entry methods (voice recognition, tactile keypad input, and hybrid mode) within a single interface. This multi-functionality allows the system to adapt to different usage scenarios, including noisy environments where voice recognition alone would fail, thus improving reliability without sacrificing ease of operation.
2Adaptability or versatility
If pointing devices like stylus or touchpad are used, then alphanumeric input capability is provided, but ease of operation deteriorates when used on the go
Solution Approach 1:
The patent merges the tactile keypad with voice recognition technology, creating a hybrid input system. The keypad provides stable alphanumeric input capability while the voice recognition component enables hands-free operation, allowing users to input data efficiently whether stationary or mobile, thus resolving the contradiction between input capability and ease of operation while on the go.
3Adaptability or versatility
If separate circuits are used for keypad and touchpad functionality, then functional versatility is improved, but device complexity increases
Solution Approach 1:
The patent integrates keypad and touchpad functionality into a single unified circuit system. The same circuitry processes both tactile key presses and capacitive touch gestures, eliminating the need for separate dedicated circuits for each function. This merging approach maintains full functional versatility while significantly reducing device complexity and component count.
Solution Approach 2:
The unified circuit system is designed to handle multiple input modes (tactile keypad, capacitive touch, and hybrid voice-tactile) through a single multi-functional architecture. This universal circuit design provides adaptability across different input methods without requiring separate dedicated circuits for each function, thereby reducing overall device complexity while maintaining versatility.
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
Enhances data entry efficiency by allowing users to input data via both key depression and surface motion, improving usability in various environments and reducing the need for complex input methods like predictive text or stylus use.
Implementation Method 1
A capacitive sensor can be employed to detect a surface contact
Data Source
AI summary
The claimed subject matter provides a system and/or a method that facilitates providing data entry associated with a keypad and a touchpad. An interface can facilitate receiving input data. A combined circuitry component can employ a keypad functionality and a touchpad functionality based on the input data utilizing a single circuitry.