Vehicle Body Area Network Signal Driver Device Restriction
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Solution Overview
Problem
Conventional methods to prevent drivers from using portable electronic devices while operating a vehicle either restrict all passengers or only target specific devices paired with the car key, failing to provide a solution that effectively limits driver access without affecting passengers.
Innovation Solution
A system that uses a body area network (BAN) signal transmitted through a vehicle device, which is received by a portable electronic device when the driver is in close proximity, to restrict its functionality, ensuring the driver cannot use the device while operating the vehicle without impacting passengers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a jamming signal is sent throughout the vehicle to prevent driver use of portable electronic devices, then driver distraction is prevented, but all passengers are also prevented from using their devices
Solution Approach 1:
The system applies different operational states to different spatial locations within the vehicle. The driver's seat area is designated as a restricted zone where device usage is blocked, while passenger areas remain unrestricted. This is achieved by detecting the driver's presence through seat sensors and applying the block signal only to devices in the driver's vicinity, allowing passengers to use their devices normally.
2Reliability
If the car key is paired with the portable electronic device to prevent driver use, then the driver is restricted from using the paired device, but other devices are not restricted
Solution Approach 1:
The system creates a universal restriction mechanism that applies to all portable electronic devices regardless of pairing status. Instead of relying on device-specific pairing, the system uses the seat detection mechanism to generate a block signal that affects any device detected in the driver's seat area, making the restriction universal and independent of individual device pairings.
3Reliability
If a signal is transmitted through the body area network when the driver is in close proximity, then driver device usage is restricted, but the solution becomes more complex
Solution Approach 1:
The system introduces a signal intermediary mechanism that mediates between the driver's seat detection and the portable electronic device. The seat sensor detects driver presence and generates a block signal, which is then transmitted through an intermediary communication channel (such as Bluetooth or other wireless communication) to the portable electronic device, where it activates the usage restriction. This intermediary approach simplifies the overall system architecture compared to direct body area network integration.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively prevents drivers from using their portable electronic devices while driving while allowing passengers to continue using theirs, ensuring safety without unnecessary restrictions.
Implementation Method 1
A signal is sent from a vehicle device indicating that the driver is operating the vehicle. The signal is transmitted to the portable electronic device using a biological body as a signal transmission path.
Data Source
AI summary
A method and system are presented for restricting the use of a portable electronic device by a driver who is operating a vehicle. A body area network (BAN) signal is sent from a vehicle device in the vehicle in close proximity to the driver. The BAN signal is transmitted using the driver's biological body as a signal transmission path. The portable electronic device includes a receiver configured to detect the BAN signal when the device is in close proximity to the driver. The portable electronic device is further configured to disable or restrict at least one function in response to detection of the BAN signal, thereby preventing or restricting use of the portable electronic device when the driver is seated in and operating the vehicle.