Multifunction Siren Device Lockable Functions
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Solution Overview
Problem
The inefficiency and cost-prohibitive nature of producing and stocking multiple types of emergency vehicle siren devices with varying wattages, such as 100 w, 200 w, and 400 w, due to limited functionality and range, burdens manufacturers and dealers with inventory management and customer preferences.
Innovation Solution
A multifunction siren device with lockable functions that can be configured to operate as different wattage levels and emit various tones, allowing users to unlock additional functions via a licensing system, enabling customization and flexibility while simplifying inventory by allowing a single device to serve multiple purposes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manufacturers produce multiple different types of siren devices with varying wattages (100w, 200w, 400w), then customers can choose devices matching their specific needs and budget, but manufacturers face increased production complexity and inventory management burdens
Solution Approach 1:
The patent implements a universal siren device platform that can function across multiple wattage levels (100w, 200w, 400w) through software-based amplifier strength selection. A single physical device design incorporates all amplifier capabilities, and the appropriate function is activated via software configuration rather than requiring separate hardware variants for each wattage level.
Solution Approach 2:
The patent changes the operational parameters of the siren device through software configuration rather than hardware variation. By adjusting amplifier strength settings and tone configurations via software, the same physical device can deliver different performance levels (100w/200w/400w output, different siren tones), eliminating the need to manufacture and stock multiple hardware variants.
2Adaptability or versatility
If manufacturers stock multiple types of siren devices to accommodate different customer preferences, then customer satisfaction increases, but stocking and management costs increase
Solution Approach 1:
The universal device platform allows dealers to stock only one physical siren device model while still being able to fulfill customer orders for different wattage levels (100w, 200w, 400w) and tone configurations. The software can be configured to match any customer preference, eliminating the need to maintain separate inventory for each device variant.
Solution Approach 2:
The patent merges multiple device variants into a single unified hardware platform. By combining all amplifier capabilities and tone options into one physical device design, the system eliminates the need to maintain separate stockpiles of different device types, thereby reducing total inventory quantity while maintaining full product line availability.
3Reliability
If manufacturers produce specialized siren devices for each wattage level, then each device is optimized for its specific function, but production costs and manufacturing complexity increase
Solution Approach 1:
The patent creates a universal manufacturing platform where a single device design serves all wattage requirements. This approach maintains performance optimization for each wattage level through software configuration while dramatically simplifying production by eliminating the need to manufacture, assemble, and quality-test multiple separate hardware variants.
Solution Approach 2:
The patent replaces hardware-based differentiation (separate amplifier circuits for each wattage level) with software-based control. Instead of manufacturing different physical amplifier components for 100w, 200w, and 400w devices, the system uses software to activate appropriate amplifier strength levels, simplifying the manufacturing process while maintaining functional optimization.
Data Source
AI summary
Examples provide a siren device having a plurality of lockable functions, such as amplifier strength and siren tone functions. At production, one or more of the available functions are placed in a locked state in which the locked function is inoperable. One or more of the functions may be initially unlocked at manufacture or purchase. The user can obtain an unlock code to unlock one or more of the functions, if desired, after purchase. Thus, if a user wants to increase the amplifier strength from one-hundred watts to two-hundred watts, the user can obtain one or more unlock codes to unlock that selected function for a licensed time-period. When unlocked, the selected function operates normally. A data storage device on the multifunction siren device stores an assigned UID, a set of available lockable functions, and a lock status of each function in the set of available functions.