Vehicle Bluetooth Profile Management via Seat Occupancy
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Solution Overview
Problem
Current Bluetooth pairing technologies in vehicles do not adequately manage communication connections based on the user's position, leading to reduced convenience, especially when the user is not in the driver's seat, as they struggle to operate hands-free call buttons.
Innovation Solution
A Bluetooth apparatus and method that uses sensors to detect the occupancy of the driver's seat and the presence of a terminal within the vehicle to dynamically manage connections between Bluetooth profiles, such as HFP and A2DP/AVRCP, ensuring appropriate profiles are connected or disconnected based on the user's location and seat occupancy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the hands-free profile (HFP) is connected to the terminal regardless of user position, then the user can make hands-free calls, but the user convenience deteriorates when the user is not in the driver's seat as they cannot operate the steering wheel buttons
Solution Approach 1:
The patent implements dynamic Bluetooth profile management by detecting driver seat occupancy status and automatically adjusting which profiles are connected. When the driver's seat is occupied, both HFP and A2DP/AVRCP profiles are connected for full functionality. When the driver's seat is empty, only A2DP/AVRCP profiles remain connected, disabling HFP to prevent operational confusion. This dynamic adaptation resolves the contradiction by making the system flexible to user presence while maintaining appropriate functionality.
2Adaptability or versatility
If the Bluetooth system connects all profiles to the terminal, then all communication functions are available, but the system complexity increases due to unnecessary connections when the driver's seat is empty
Solution Approach 1:
The patent applies preliminary action by detecting driver seat occupancy status in advance and proactively managing Bluetooth profile connections accordingly. The system preemptively connects or disconnects HFP profiles based on whether the driver is present, preventing unnecessary connections before they occur. This approach simplifies connection management by automating the decision-making process rather than requiring manual user configuration or complex real-time adjustments.
3Productivity
If the hands-free profile is activated when the driver's seat is empty, then the terminal can connect for media playback, but unnecessary hands-free functionality is activated consuming additional energy and resources
Solution Approach 1:
The patent extracts the HFP profile connection from the overall Bluetooth connection management based on driver seat occupancy detection. When the driver's seat is empty, the system selectively removes (extracts) the HFP profile connection while maintaining A2DP/AVRCP profile connections for media playback. This separation allows the system to maintain essential media functionality while eliminating unnecessary hands-free functions that would consume additional energy and resources.
Data Source
AI summary
A Bluetooth apparatus for a vehicle controls a connection between a plurality of Bluetooth profiles and a terminal of a user based on whether a driver's seat is occupied by the user or based on whether the driver's seat is occupied by the user and whether the terminal of the user is located in the vehicle.