Automotive Text Display Boundary-Insert Mode
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Solution Overview
Problem
Automotive text processing systems face challenges in minimizing visual distractions for drivers while maintaining accurate text entry and correction, particularly due to the ambiguity in audio outputs and the complexity of user interfaces, which can lead to errors and increased cognitive load.
Innovation Solution
A limited text display arrangement is positioned in front of the driver, showing only a few relevant words with a highlighted active word and cursor, along with a secondary display providing additional information, and a multifunctional text control knob for easy text editing, allowing for 'Boundary-Insert' mode that combines insert and replace modes to reduce user confusion and errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a full text display is used in automotive ASR systems, then text editing and correction capabilities are improved, but visual distraction for the driver increases
Solution Approach 1:
The text display is segmented into multiple sections: a primary display area showing only the active text item and limited context, and a secondary display area showing additional text information. This segmentation allows the driver to see enough text for accurate editing while minimizing the overall display size and visual distraction.
Solution Approach 2:
The patent transitions from a traditional single-dimension text display to a multi-dimensional display approach, where text is organized across different spatial zones (primary vs. secondary display areas) with different levels of detail. This dimensional organization enables comprehensive text editing capability while keeping the primary visual field minimal.
2Object-affected harmful factors
If audio output only is used without text display, then visual distraction is minimized, but text accuracy decreases due to ambiguous audio outputs
Solution Approach 1:
Different parts of the text information are presented with different qualities and levels of detail. The primary display area provides high-quality, focused information about the active text item for accurate editing, while the secondary display area provides supplementary information. This local quality differentiation ensures text accuracy without requiring full text visibility.
Solution Approach 2:
The limited text display acts as an intermediary between the audio output and the driver. Instead of relying solely on ambiguous audio outputs, the system provides a minimal visual reference that disambiguates the audio information, allowing accurate text composition without full visual display.
3Measurement precision
If multiple physical controls are added for text processing operations, then text editing precision is improved, but device complexity increases
Solution Approach 1:
A small number of physical controls are designed to perform multiple functions. For example, a single control can navigate through text, select items, and confirm selections depending on the context. This multi-functionality provides precise text editing capability without requiring a separate control for each operation, thus avoiding dashboard complexity.
Solution Approach 2:
Multiple text processing operations are merged into unified control actions. The system combines navigation, selection, and editing functions into a coherent control sequence that can be executed with minimal physical inputs, reducing the overall number of controls needed while maintaining editing precision.
Data Source
AI summary
An automotive text display arrangement is described which includes a driver text display positioned directly in front of an automobile driver and displaying a limited amount of text to the driver without impairing forward visual attention of the driver. The arrangement may include a boundary insertion mode wherein when the active text position is an active text boundary, new text is inserted between the text items separated by the active text boundary, and when the active text position is an active text item, new text replaces the active text item. In addition or alternatively, there may be a multifunctional text control knob offering multiple different user movements, each performing an associated text processing function.