Wearable Touch Pad Gesture Interface for Hands-Free Operation
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Solution Overview
Problem
Conventional user interfaces, such as mice and keyboards, are cumbersome and impractical for soldiers and other first responders in harsh environments where hands are often occupied and visibility is limited, requiring a more efficient and hands-free method for interacting with personal computing devices.
Innovation Solution
A touch pad-based user interface system with a wireless transceiver that interprets gestures as commands for communication, navigation, and other primary functions, allowing for eyes-free operation and integration with wearable computers, including tactile feedback and optional cursor inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional mouse and keyboard user inputs are used, then personal computing devices can be operated, but soldier performance in the field is hindered
Solution Approach 1:
The patent replaces mechanical input devices (mouse and keyboard) with a touch-sensitive surface that detects finger gestures. This substitution eliminates the need for bulky mechanical components, allowing the interface to be integrated into wearable devices while maintaining ease of operation and improving soldier performance in field conditions.
2Ease of operation
If a touch-sensitive surface is used for gestures, then hands-free operation is enabled, but the interface must be integrated into wearable devices with constraints on size, weight and power consumption
Solution Approach 1:
The touch-sensitive surface is designed to perform multiple functions: it can detect various finger gestures (taps, swipes, pinches), support different interaction modes (eyes-free with audio feedback, visual with display), and be integrated into various wearable form factors. This multi-functionality reduces the need for separate specialized components, thereby managing device complexity while enabling hands-free operation.
3Ease of operation
If the soldier needs to view the user interface, then interaction is possible, but the soldier cannot view the interface due to an emergent event or situation
Solution Approach 1:
The user interface system dynamically adapts its interaction mode based on the situation. It can switch between visual display mode (when the soldier can look at the interface) and eyes-free audio feedback mode (when emergent situations require the soldier's attention elsewhere). This dynamic adaptability ensures continuous ease of operation across varying operational contexts.
4Reliability
If cables and wires are used for connection, then power and data transfer are reliable, but they are difficult to use in active environments
Solution Approach 1:
The patent extracts the physical connection (cables and wires) from the system by implementing wireless communication capabilities in the wearable device. This extraction eliminates the operational constraints of cables in active environments while maintaining reliable power and data transfer through wireless protocols, thereby improving ease of use without sacrificing connection reliability.
Data Source
AI summary
A method for operating a wearable computer using a user interface system having a touch pad includes changing the behavior of the wearable computer in direct response to gestures received at the touch pad. The gestures are not used for graphical user interface selections and are not used for cursor operations but rather directly invoke communication, navigation, machinery operation, or other primary device features or operations.