Vehicle Input Device Dynamic Menu Adaptation
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Solution Overview
Problem
Existing input devices for mobile bodies, such as car navigation systems, restrict functionality based on whether the vehicle is traveling or stopped, leading to safety issues and user frustration due to complex menu hierarchies and the need to memorize numerous voice commands for operation during travel.
Innovation Solution
An input device with a combination of hand and voice operation capabilities, featuring a traveling state determination section, item executability determination, and display content generation to distinguish executable items by mode, allowing users to navigate menus safely and simply regardless of vehicle state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If functions are restricted based on vehicle traveling state, then driving safety is improved, but user operability deteriorates
Solution Approach 1:
The system dynamically adjusts the operability of menu items based on the vehicle's traveling state. When the vehicle is determined to be traveling, the system selectively disables hand operation for certain menu items while preserving voice operation capability, creating a dynamic adaptation to safety requirements without completely restricting user access to functions.
Solution Approach 2:
The input operations are segmented into different modes (hand operation and voice operation), and the system applies different restrictions to each mode based on the traveling state. This segmentation allows hand operation to be restricted during traveling for safety while voice operation remains available, resolving the contradiction between safety and operability.
2Adaptability or versatility
If complex menu hierarchies are provided, then device functionality is improved, but operation complexity increases
Solution Approach 1:
The voice recognition system acts as an intermediary that simplifies access to complex menu functions. Instead of requiring users to navigate through multiple hierarchical menu levels using hand operations, users can directly invoke functions by speaking commands, effectively bridging the gap between comprehensive device functionality and simple user operation.
Solution Approach 2:
The system replaces the mechanical interaction of hand operations with menu hierarchies with voice-based acoustic interaction. This substitution eliminates the need for users to physically navigate through complex menu structures, reducing operation complexity while preserving full device functionality through voice commands.
3Reliability
If voice recognition commands are required for operation during traveling, then driving safety is improved, but user burden increases
Solution Approach 1:
The system provides multi-functionality by supporting both hand operation and voice operation for menu items during traveling. This universality allows users to choose the most convenient input method for each situation, reducing the burden associated with voice recognition while maintaining safety benefits. Users can switch between operation modes based on their needs and the context.
Data Source
AI summary
An input device for a mobile body allows for a safe input operation at the time of operating equipment, such as a car, regardless of whether the mobile body is traveling or stopped. The input device includes an input section for receiving inputs by hand and voice operations, a traveling state determination section for determining a traveling state of the mobile body, and an item executability determination section for determining, in the determined traveling state, whether each of the received inputs corresponds to an item executable by the hand and voice operations. The input device also includes a display content generation section for generating a display mode which distinguishably shows whether nor not the item is executable by the hand and voice operations in accordance with a determination by the item executability determination section, and a display section for displaying the generated display mode.