Vehicle Gesture Control via Pressure-Sensitive Touch Screen
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Solution Overview
Problem
Modern motor vehicles face challenges in efficiently operating and controlling various functions due to limited installation space, requiring innovative solutions for intuitive and multi-functional input devices that can handle complex commands and gestures effectively.
Innovation Solution
A motor vehicle system incorporating a display and a touch screen above the display for inputting commands, utilizing a gesture recognition module to execute functions without direct touch, allowing for haptic feedback and multi-touch capabilities to control functions like scrolling, shifting, and scaling map details, enabling intuitive operation of functions such as radio frequency, volume adjustment, and route navigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a touch screen is used for inputting commands, then the installation space is reduced, but the ease of operation deteriorates due to lack of haptic feedback
Solution Approach 1:
The patent combines a touch screen with a pressure-sensitive control panel into a single integrated structure. The control panel is disposed in front of the display and transmits pressure to the touch screen, merging the functions of physical feedback and digital input into one unified interface that saves space while maintaining operability.
Solution Approach 2:
The control panel acts as an intermediary element between the user's finger and the touch screen. It provides a physical pressing surface that transmits force to the touch screen, mediating the interaction to provide haptic feedback while enabling touch input functionality.
2Device complexity
If multiple functions are integrated into one operating element, then the device complexity is reduced, but the difficulty of detecting and measuring increases
Solution Approach 1:
The patent segments the control panel into multiple independently movable operating elements (such as a rotary switch, push buttons, or sliding switches) that can be individually detected. Each element can be moved independently in different directions or pressed with different forces, allowing the detection system to identify specific gestures and commands through sequential or simultaneous detection of individual element movements.
Data Source
AI summary
In a method for operating a motor vehicle having a display for displaying variable information, and a touch screen, situated above the display, for inputting commands by touching the touch screen, an operating element for operating a function of the motor vehicle is shown by the display, by touching the touch screen in the region of the operating element, and the function of the motor vehicle is executed based on a gesture of a hand executed in the vicinity of the touch screen, without touching the touch screen.