In-Vehicle Touchscreen List Activation and Swiping Transition
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Solution Overview
Problem
Existing in-vehicle electronic devices with touchscreens pose ergonomic challenges for drivers due to small operating and display areas, leading to potential distraction and unreliable operation while driving.
Innovation Solution
A method and device that utilize a touch-sensitive surface to detect list element activation and swiping movements, allowing for seamless transitions between list and detailed representations without requiring prolonged attention from the driver, using distinct periods and distances for activation and scrolling, and incorporating proximity sensors for intuitive operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a touchscreen with small display area is used in a vehicle, then the device can be integrated into the vehicle's interior space, but the operating area becomes too small for reliable operation by the driver
Solution Approach 1:
The patent segments the interaction process into distinct phases: a first period for list element activation and a second period for scrolling detection. This temporal segmentation allows the system to differentiate between selection intent and scrolling intent, enabling reliable operation despite the small touchscreen area by providing clear, distinct interaction windows for different operations.
Solution Approach 2:
The patent implements dynamic time-window adjustment where the system transitions between different operational states (selection mode vs. scrolling mode) based on detected input patterns. The evaluation period dynamically adapts to distinguish between a stationary touch (selection) and a moving touch (scrolling), making the small interface more intuitive and easier to operate.
2Ease of operation
If the operating area is increased to improve driver operability, then the device complexity and space requirements increase
Solution Approach 1:
The patent employs periodic action by implementing distinct time periods for different operations: a first evaluation period for detecting list element activation and a second evaluation period for detecting scrolling movements. This periodic structure enables complex functionality to be achieved through temporal multiplexing rather than spatial expansion, maintaining a compact device design while improving driver operability through intuitive time-based interaction patterns.
3Measurement precision
If the touchscreen requires precise input detection, then the measurement precision improves, but the operation time required increases leading to driver distraction
Solution Approach 1:
The patent applies preliminary action by establishing a clear temporal sequence where the first evaluation period for activation detection is completed before the second evaluation period for scrolling detection begins. This preliminary structuring of detection windows allows the system to quickly and accurately distinguish between selection and scrolling intents without requiring prolonged attention from the driver, as each detection phase has a predetermined time window.
Solution Approach 2:
The patent changes the temporal parameters of interaction detection by implementing distinct time periods and movement threshold parameters. The system uses parameter-based differentiation where stationary touches within the first period trigger activation, while moving touches within the second period trigger scrolling. This parameter-based approach enables precise input detection with minimal attention duration by clearly defining what constitutes valid input for each operation.
Data Source
AI summary
A method and a device for displaying information and for operating an electronic device in a vehicle, wherein a plurality of list elements are displayed on a display surface with a touch-sensitive surface; a contact of a list element on the touch-sensitive surface with an actuating object or an approach of the actuating object to the list element is detected, whereupon the list element is activated, and after the activation of the list element, a first swiping movement of the actuating object on or in the vicinity of the touch-sensitive surface is detected, and with or after the detection of the first swiping movement of the actuating object, at least the list elements which are not activated are removed from the display surface and a multimedia additional element associated with the activated list element is inserted into the display surface.