Portable Light Assembly With Motion-Activated Output Control
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Solution Overview
Problem
Existing lighting devices lack the ability to dynamically adjust light output and functionality based on user interaction, limiting their versatility and adaptability.
Innovation Solution
A lighting device with a core slidably and rotatably coupled to a frame, where movement of the core relative to the frame activates LEDs through a sensor system, allowing for sequential lighting activation, wavelength change, and operational mode adjustments, including flood to spot pattern transitions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If lighting devices use fixed light output, then device complexity is reduced, but adaptability and versatility are limited
Solution Approach 1:
The patent implements dynamic lighting control by allowing the core to move relative to the frame, which dynamically adjusts which LEDs are activated. This movement-based control mechanism enables the lighting device to adapt to different lighting conditions and user preferences, transforming a static lighting system into a dynamic one that can respond to user interaction.
Solution Approach 2:
The lighting device achieves multi-functionality by integrating multiple LEDs that can be selectively activated based on core position. The system can provide various lighting patterns, intensities, and configurations from a single device, making it universally applicable to different lighting scenarios without requiring multiple separate devices.
2Illumination intensity
If multiple LEDs are activated simultaneously, then light output is increased, but energy consumption increases
Solution Approach 1:
The patent applies partial action by activating only the specific LEDs corresponding to the core's current position rather than all LEDs simultaneously. This selective activation provides sufficient lighting for the user's immediate needs while minimizing energy consumption by leaving other LEDs inactive.
Solution Approach 2:
The lighting system implements local quality by providing illumination only in the specific regions corresponding to the activated LEDs. Rather than uniformly illuminating all areas, the system concentrates light output where needed based on core position, optimizing both lighting effectiveness and energy efficiency.
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 dynamic control of light output, color, and functionality through user-driven movements, enhancing user experience and adaptability.
Implementation Method 1
movement of the core relative to the frame activates LEDs through a sensor system
Data Source
AI summary
A light assembly is disposed about a core that is slidably and rotatably coupled to a frame. The frame has an interior volume that is shaped to receive the core therein. When the core is disposed within the frame, the light assembly is visible through the frame. In this manner, light propagated from the light assembly is propagated through an opening in the frame. The core can be moved longitudinally with respect to the frame and/or radially with respect to the frame. Light output increases as the core is moved with respect to the frame.