Bidirectional USB Flashlight Controller for Dual Power Modes
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Solution Overview
Problem
Conventional flashlights lack integrated power capabilities to recharge or power other electronic devices, requiring separate adapters for energy transfer and recharging, which is inconvenient and inefficient.
Innovation Solution
A handheld flashlight with a bidirectional USB port that can both recharge its internal battery and power external devices, utilizing a micro-controller to switch between input and output modes, eliminating the need for dual adapters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional flashlights are used, then the device provides portable light source functionality, but the device lacks integrated power capabilities to recharge or power other electronic devices
Solution Approach 1:
The flashlight is designed with a bidirectional USB port that enables the device to perform multiple functions: it can charge external electronic devices, recharge its own internal battery, and provide light illumination. This multi-functionality transforms a single-purpose flashlight into a versatile portable power station, directly resolving the technical contradiction by enhancing adaptability without proportionally increasing complexity.
Solution Approach 2:
The patent combines the flashlight functionality with power bank capabilities in a single integrated device. The USB port serves dual purposes: outputting power to charge external devices and inputting power to recharge the internal battery. This merging of functions eliminates the need for separate adapters and devices, achieving functional versatility while maintaining reasonable device complexity.
2Adaptability or versatility
If dual adapters are used to enable both charging and recharging functions, then the power transfer capabilities are achieved, but the device complexity and user inconvenience increase
Solution Approach 1:
The USB port is designed as a universal interface that handles both power output (charging external devices) and power input (recharging the flashlight's internal battery) through the same connection point. This eliminates the need for users to carry or switch between dual adapters, significantly improving ease of operation while maintaining full power transfer capabilities.
Solution Approach 2:
The patent merges the functions of two separate adapters (charging adapter and recharging adapter) into a single bidirectional USB interface. This consolidation allows users to connect a single USB cable to both charge external devices and recharge the flashlight, making the device much easier to operate and reducing the number of accessories users need to carry.
3Adaptability or versatility
If separate adapters are used for charging and recharging, then the energy transfer functions are achieved, but the portability and convenience are reduced
Solution Approach 1:
By combining charging and recharging functions into a single bidirectional USB port, the patent eliminates the need for separate adapter hardware. Users only need to carry the flashlight itself and a single USB cable to perform both power output and power input operations, significantly improving portability while maintaining full energy transfer functionality.
Solution Approach 2:
The universal USB interface serves multiple purposes: it acts as both a power output port for charging external devices and a power input port for recharging the flashlight. This multi-functionality eliminates the need for additional adapter weight, making the system more portable while maintaining complete energy transfer capabilities in both directions.
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
Enables a single device to serve as both a portable light source and a backup power source for small electronic devices, enhancing usability and convenience by providing on-the-go charging and power capabilities.
Implementation Method 1
The battery can be recharged through the USB port by plugging in an adapter or it can supply power to other small devices that can be plugged into the USB port.
Implementation Method 2
The circuit can also include a rechargeable battery, USB adapter port, and high power LED
Data Source
AI summary
A high power rechargeable flashlight with two-way universal serial bus (USB) capable of recharging electronic devices as well as recharging itself. A bidirectional universal serial bus (USB) adaptor port that can be integrated into a high power rechargeable battery operated flashlight or other rechargeable battery operated device. The invention can utilize a micro-controller to convert a single USB adaptor port into either an input device or an output device. A high power rechargeable flashlight with bidirectional USB adaptor port is capable of recharging external electronic devices, as well as recharging itself through the same port.