Emergency Vehicle Function Unlocking for Faster Device Initialization
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Solution Overview
Problem
The configuration process for multicolor LED lightbars and siren devices on emergency vehicles is time-consuming and inefficient, requiring manual connection to a computing device and online configuration, which can be burdensome for users unfamiliar with the process, especially when configuring multiple devices with the same functions.
Innovation Solution
A system that allows pre-configuration of lockable functions on emergency vehicle devices using a unique identifier (UID), where unlock codes are generated and stored, enabling automatic unlocking of functions during initialization without manual user configuration, streamlining the process and reducing user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual configuration process is used through manufacturer webpage, then device functions can be configured, but the process is time-consuming and burdensome for users
Solution Approach 1:
The system performs configuration actions in advance by generating unlock codes during device manufacturing or before deployment. These codes are stored in the device, enabling automatic configuration when the device is initialized or connected to the network, eliminating the need for users to manually configure each function at the time of installation.
Solution Approach 2:
The device automatically retrieves and applies its own unlock code during initialization without requiring user intervention. The system self-configures by reading the stored code and automatically unlocking the appropriate functions, making the device serve itself rather than requiring external manual configuration.
2Reliability
If each device is configured individually through wired connection, then proper configuration is achieved, but the process is inefficient for multiple devices
Solution Approach 1:
Unlock codes are pre-generated and stored in each device during manufacturing, enabling batch deployment. When multiple devices are deployed, each device independently retrieves its pre-stored code and self-configures, allowing simultaneous configuration of multiple devices without requiring sequential manual setup of each device.
Solution Approach 2:
The same unlock code configuration approach can be applied across multiple devices with identical function requirements. Each device contains a copy of the necessary configuration data in the form of unlock codes, enabling consistent configuration across device fleets without repeating the manual configuration process for each device.
3Adaptability or versatility
If all device functions are unlocked, then full functionality is available, but security and unauthorized use are concerns
Solution Approach 1:
Different devices have different unlock codes tailored to their specific function requirements. Each device's code unlocks only the functions appropriate for that particular device's role and authorization level, rather than universally unlocking all functions on all devices. This enables customized functionality distribution while maintaining security.
Solution Approach 2:
The unlock code acts as an intermediary mechanism between the device and the configuration server. The code mediates the unlocking process by containing encrypted authorization information that the device uses to selectively unlock functions, providing a secure layer that prevents unauthorized access while enabling legitimate functionality.
Data Source
AI summary
Examples provide pre-configuration of emergency vehicle lockable device. A device manager obtains a unique identifier (UID) assigned to a lockable device, such as a multicolor lightbar or a siren device in an uninitialized state. The UID and pre-configuration parameters are received in a request to pre-configure a single device or a batch request to pre-configure a plurality of lockable devices. The device manager updates a lock status of a locked function from a locked state in which the lockable function is inoperable to a pre-unlocked state in accordance with the pre-configuration parameters. The device manager generates, and stores unlock code(s) to unlock the pre-configured lockable function. In response to receiving the UID of a lockable device during initialization, the unlock code(s) are automatically transmitted to a user device associated with the lockable device to unlock and enable the pre-unlocked function to operate in accordance with the pre-configuration parameters.