Keyboard Integrated with Trackpad for Space Saving
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Solution Overview
Problem
Portable computing devices face space constraints and inefficiencies due to the need for separate keyboards and trackpads, requiring users to switch between input methods for typing and cursor control, which can be cumbersome and inefficient.
Innovation Solution
A keyboard design that integrates touch-sensitive keys capable of detecting gestures, allowing the keyboard to function as both a keyboard and a trackpad, with a processor that interprets typing, click, and tracking gestures, eliminating the need for a separate trackpad.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate keyboards and trackpads are used in portable computing devices, then distinct input functions are provided, but device space is consumed and user efficiency decreases due to frequent switching between input methods
Solution Approach 1:
The patent merges the keyboard and trackpad into a single integrated input device. The keyboard surface incorporates touch-sensitive capabilities that enable trackpad functions (cursor control, scrolling, clicking) while maintaining traditional keyboard typing functionality. This combination eliminates the need for separate physical trackpad and keyboard components, thereby saving device surface area while preserving both input methods' versatility.
Solution Approach 2:
The integrated keyboard is designed to perform multiple functions: traditional keyboard input for text entry, trackpad gestures for cursor control, and touch-sensitive responses for clicking and scrolling. This multi-functionality allows a single device to replace what were previously two separate components, addressing the space constraint in portable computing devices.
2Ease of operation
If separate keyboards and trackpads are used, then dedicated input devices are provided, but user efficiency deteriorates due to the need to switch between input methods
Solution Approach 1:
By combining keyboard and trackpad functionalities into one unified device, the patent eliminates the physical separation that causes users to switch between input methods. The integrated design allows seamless transition between typing and cursor control operations on the same surface, reducing the time and cognitive effort required to switch input modes.
Solution Approach 2:
The system dynamically adapts its response based on user input gestures. The same keyboard surface can respond as a traditional keyboard for typing, as a trackpad for cursor movement, or as a click surface for selection, depending on the detected gesture pattern. This dynamic behavior enables ease of operation without requiring explicit mode switching.
3Area of stationary object
If a keyboard surface functions as both keyboard and trackpad, then space is saved and gesture detection is enabled, but input detection complexity increases
Solution Approach 1:
The touch-sensitive keyboard employs a universal detection system that monitors the same surface for multiple types of inputs. The system distinguishes between keyboard presses, trackpad gestures, and click actions by analyzing gesture characteristics such as contact duration, pressure, and movement patterns, rather than requiring separate detection hardware for each function.
Solution Approach 2:
The system differentiates between keyboard and trackpad functions by monitoring changes in gesture parameters. For example, it may distinguish a keyboard press from a trackpad click based on contact duration thresholds, or differentiate cursor movement gestures from typing based on finger movement patterns and contact dynamics. This parameter-based differentiation manages detection complexity while enabling multi-functionality.
Data Source
AI summary
An apparatus includes a processor and a keyboard having multiple, separately moveable keys. The keyboard is configured to function as both a keyboard and a trackpad.