Multitouch Gesture Recognition for Measurement Systems
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Solution Overview
Problem
Existing measurement systems require users to memorize a large set of gestures for performing functions, which is inefficient, especially when multiple user interfaces are displayed simultaneously, leading to a discrepancy between screen size and input units.
Innovation Solution
A method that allows the measurement application to perform different functions for the same detected gesture based on the user interface displayed on the touch-screen, reducing the overall number of gestures needed by associating gestures with specific areas of the screen, enabling multiple user interfaces to be displayed simultaneously.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a large set of gestures is used to perform distinctive functions within the measurement system, then the number of functions that can be executed is increased, but the amount of gestures users have to memorize increases
Solution Approach 1:
The patent segments the touch screen into multiple distinct areas, each associated with a specific user interface. Different gestures are assigned to different areas, allowing the same gesture to perform different functions depending on where it is detected. This segmentation reduces the total number of unique gestures needed while maintaining diverse functionality across multiple interfaces.
Solution Approach 2:
The patent implements multi-functionality by enabling a single gesture to perform different functions based on its detection location. For example, a pinch gesture on the first area zooms into a waveform, while the same pinch gesture on the second area adjusts frequency settings. This universal approach allows one gesture pattern to serve multiple purposes across different user interfaces.
2Adaptability or versatility
If multiple user interfaces are displayed on the touch-screen simultaneously, then the functionality of the measurement system is enhanced, but the complexity of the gesture set increases
Solution Approach 1:
The touch screen is divided into multiple areas, with each area displaying a different user interface. The gesture detection system is segmented to identify which area received the gesture input. This spatial segmentation allows multiple interfaces to coexist without increasing gesture complexity, as each interface uses the same gesture set tailored to its specific functionality.
Solution Approach 2:
Each area of the touch screen has local quality in terms of its associated user interface and gesture mappings. The system detects the local area where the gesture occurs and applies the appropriate function accordingly. This local differentiation enables diverse functionality across the screen while maintaining a consistent and simple gesture vocabulary.
3Measurement precision
If the screen size is increased to display measurement signals in higher detail, then the measurement precision is improved, but the number of input units must be reduced
Solution Approach 1:
The patent replaces traditional mechanical input units (physical buttons and knobs) with a touch-sensitive display interface. Users interact with the system by drawing gestures on the screen rather than pressing physical buttons. This substitution enables a larger screen area for detailed signal display while providing sufficient input functionality through gesture-based control.
Solution Approach 2:
The touch screen serves multiple functions: it displays measurement signals with high precision and simultaneously serves as the input interface through gesture recognition. This multi-functionality eliminates the need for separate input units, allowing the screen to be larger without increasing overall device complexity.
Data Source
AI summary
A Method for a measurement system, wherein the measurement system includes a touch-screen, a control-unit for the touch-screen, a measurement hardware, a measurement application and a gesture detection unit, wherein the measurement application interacts with the measurement hardware. In a first step the control-unit detects a position and/or a movement of one or more physical objects on and/or near the touch-screen. In a second step the gesture detection unit assigns the position and/or the movement of one or more physical objects to one gesture within a set of gestures. In a third step the gesture detection unit communicated the detected gesture to the measurement application. Furthermore, the measurement application performs a different function for the same detected gesture depending on a user interface of the measurement application which is displayed on the touch-screen when the gesture is detected.