Multi-Gear Sight Circuit Board for Auto Brightness and Mode Switching
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Solution Overview
Problem
Existing gun sights lack automatic light power adjustment and mode switching functionality, relying on manual adjustments and separate mode switch buttons, which increases component count and complexity.
Innovation Solution
A multi-gear brightness adjustment circuit board with automatic control and light spot dot-circle pattern composite conductive contact pieces, integrated with a battery holder structure, allows for automatic light energy adjustment based on ambient light and seamless mode switching, reducing component count and enhancing operation convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a rotary switch with battery is used for manual adjustment, then the size of the gun sight is reduced and operation is simplified, but automatic light power adjustment and mode switching functionality are lost
Solution Approach 1:
The rotary switch is designed to perform multiple functions: manual brightness adjustment through gear contact pieces, automatic light power adjustment through the AUTO contact piece that interfaces with light sensors, and mode switching between aiming point and dot-circle patterns through the composite contact piece. This multi-functional design eliminates the need for separate components while maintaining all desired capabilities.
Solution Approach 2:
The patent combines the battery holder, rotary switch, light sensors, and mode switching mechanisms into a single integrated assembly. The battery compartment and knob switch are designed as a whole unit, with multiple contact pieces (gear contact pieces for brightness, AUTO contact piece for automatic control, and composite contact piece for mode switching) all integrated into one structure, thereby reducing overall component count and simplifying operation.
2Adaptability or versatility
If separate mode switch buttons are used for aiming point and dot-circle mode switching, then mode switching functionality is achieved, but the number of components increases and operation becomes more complex
Solution Approach 1:
The rotary switch's composite contact piece is designed to handle mode switching functionality, allowing the same component used for brightness adjustment to also switch between aiming point and dot-circle patterns. This eliminates the need for separate mode switch buttons and reduces operational complexity.
Solution Approach 2:
The patent merges the mode switching function into the rotary switch assembly by positioning the composite contact piece to engage with different contact points on the circuit board depending on the rotary switch position. This integration reduces the number of separate components and simplifies the user interface.
3Device complexity
If manual adjustment only is provided, then the structure is simple, but the system cannot automatically adapt to ambient light conditions
Solution Approach 1:
The system incorporates light sensors that automatically detect ambient light conditions and trigger the AUTO contact piece on the rotary switch. When the AUTO position is selected, the circuit board receives signals from the light sensors and automatically adjusts the brightness without requiring manual intervention, enabling the system to serve itself in adapting to environmental conditions.
Solution Approach 2:
The patent implements a feedback mechanism where light sensors continuously monitor ambient light levels and provide signals to the control circuit. The circuit board processes this feedback information and automatically adjusts the LED brightness accordingly, creating a closed-loop control system that adapts to changing light conditions.
Data Source
AI summary
A multi-gear brightness adjustment circuit board, and a multi-gear battery holder structure, which through adding the automatic control gear AUTO conductive contact piece and a light spot dot-circle pattern composite conductive contact piece on the circuit board, the gear can be automatically adjusted when the solar cell is used for power supply. Ensuring that the output light power meets the needs of ambient light, rationally use electric energy, which is conducive to energy saving; at the same time, the mode switching of the shooting target is integrated, which reduces the parts of the sight and makes the sight more compact.


