Vehicle Communication System Unbreakable Owner-Driver Voice Link
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Solution Overview
Problem
Existing communication systems for vehicles do not provide a simple and reliable method for vehicle owners to contact the driver, especially in situations like theft, where direct communication is crucial.
Innovation Solution
A communication system that uses a SIM card with a user ID and a mobile phone's unique device identifier to establish an exclusive, automatic voice connection between the vehicle's communication device and the owner's smartphone, preventing the driver from terminating the call and activating an audio recorder for messages when the connection is lost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mobile phone connection is established between the owner's mobile phone and the vehicle's communication device, then the owner can contact the driver directly, but the driver may be able to terminate the call and block communication
Solution Approach 1:
The patent inverts the traditional call control mechanism by preventing the driver (called party) from terminating the call. Instead of allowing the receiver to hang up, the system only allows the owner (caller) to terminate the connection, ensuring communication reliability even when the driver attempts to block the call.
Solution Approach 2:
The communication device in the vehicle acts as an intermediary between the owner's mobile phone and the driver. It receives calls from the owner, manages the connection independently, and only terminates the call when the owner explicitly requests, rather than allowing the driver to control the connection status.
2Reliability
If the driver is given control to accept or reject incoming calls from the owner, then the driver's privacy is respected, but the owner cannot guarantee direct communication in emergency situations
Solution Approach 1:
The patent extracts the call acceptance decision-making power from the driver and assigns it exclusively to the owner. The driver's ability to accept or reject calls is removed, ensuring that the owner always has guaranteed direct communication with the vehicle in both normal and emergency situations.
3Reliability
If the communication system allows the driver to end calls freely, then the user interface is simple, but the system cannot prevent theft or unauthorized use
Solution Approach 1:
The patent inverts the traditional telephone system's call termination rights. Instead of allowing the receiver (driver) to hang up freely, the system only allows the caller (owner) to terminate the call. This inversion provides theft prevention capability by ensuring the owner can always communicate with the vehicle regardless of the driver's actions.
Data Source
Figure 1
AI summary
The invention relates to a method for operating a communication system (10), having the steps of: provision of a chip card (22), particularly a SIM card, in a communication device (20) of a motor vehicle (12), which chip card comprises a user identifier for dialling into at least one mobile radio network; storage of a device identifier for a mobile telephone (14) in the communication device (20) of the motor vehicle (20); set-up of a mobile radio link (24) between the mobile telephone (14) and the communication device (20) of the motor vehicle (12) using the user identifier stored on the chip card (22) if a predetermined activation action on the mobile telephone (14) has been sensed and it has been ascertained that the device identifier of the mobile telephone (14) is stored in the communication device (20) of the motor vehicle (12). The invention additionally relates to a communication system (10).