Power Seat Sliding Switch Touch Segmentation for Clear Direction Cues
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Solution Overview
Problem
Current power seat switch modules for vehicles display all possible operation directions when a user touches any part of a switch, making it difficult for the user to recognize the exact operation direction intended, leading to inconvenience in operating the switches.
Innovation Solution
A device with a sliding switch module that includes multiple touch sensors in each switch, connected to a main controller and display, which shows the exact operation direction of the power seat using one arrow image when a touch sensor senses a touch, allowing users to easily recognize the intended operation direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If all possible operation directions are displayed when a user touches any part of a switch, then the user can see all available functions, but it becomes difficult for the user to recognize the exact operation direction intended
Solution Approach 1:
The switch surface is divided into multiple touch sensor regions (first touch sensor region, second touch sensor region, third touch sensor region, fourth touch sensor region), each corresponding to a specific operation direction. When a user touches a specific region, only the arrow image corresponding to that region's function is displayed, rather than showing all possible directions. This segmentation allows the system to provide comprehensive information while maintaining clear, unambiguous directional indication.
2Measurement precision
If multiple touch sensors are disposed in each switch, then the exact operation direction can be sensed, but the device complexity increases
Solution Approach 1:
Each switch is segmented into multiple touch sensor regions with individual touch sensors, allowing precise detection of which specific direction the user intends to activate. The four touch sensors per switch correspond to four different operation directions, enabling the system to distinguish between different user intentions based on touch location.
Solution Approach 2:
The touch sensors provide immediate feedback about the user's touch position, and the display unit provides visual feedback by showing only the relevant arrow image corresponding to the touched region. This feedback mechanism confirms to the user that their input was correctly interpreted, reducing ambiguity despite the increased sensor count.
3Ease of operation
If only one arrow image is displayed corresponding to the touched area, then the operation direction is clearly recognized, but information about other available functions is lost
Solution Approach 1:
The switch is divided into multiple functional regions, each with its own touch sensor and corresponding arrow image. This segmentation allows the system to display information selectively - showing only the relevant function when a specific region is touched, rather than overwhelming the user with all possible functions simultaneously. The information is preserved in the system and can be accessed by touching the corresponding region.
Solution Approach 2:
Different regions of the switch have different local qualities - each region is associated with a specific operation direction and displays a corresponding arrow image. This local differentiation allows the interface to provide context-specific information rather than generic information, improving clarity while maintaining access to all functions through spatial differentiation.
Data Source
AI summary
A device for operating a power seat of a vehicle, the device being able to show exact operation directions of a power seat by operation of switches to a user, and enabling the user to recognize the exact selection state and operation direction of desired switches so that the user can more conveniently use the switches by displaying one arrow showing the operation direction of the seat when each of a plurality of touch sensors, which is disposed in each of the switches of a switch module for operating the seat to show operation direction of the seat, senses a touch.