Triangular Lantern Motion Detection Segmentation
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Solution Overview
Problem
Existing portable lanterns lack advanced functionality, reliability, and long product life, particularly in camping and dark environment applications where improved motion detection and adaptive lighting are desired.
Innovation Solution
A portable lantern design featuring a body with motion detectors strategically positioned for 360° coverage, coupled to a light source and alarm, allowing users to select lighting and alarm modes based on detected motion, with a long-lasting LED light source and user-friendly controls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If motion detectors are positioned to provide 360° coverage, then motion detection reliability is improved, but device complexity increases
Solution Approach 1:
The motion detection system is segmented into multiple independent detectors positioned at different locations (three detectors spaced 120° apart) to achieve 360° coverage. Each detector handles a specific sector, and their combined output provides comprehensive monitoring without requiring a single complex system.
Solution Approach 2:
Motion detectors are strategically positioned at specific locations (apices of the triangular body) with specific orientations to optimize their detection coverage. Each detector is oriented to monitor a specific sector, creating local optimization that contributes to overall 360° coverage.
2Duration of action of stationary object
If LED light source is used for long product life, then duration of action is improved, but energy consumption characteristics change
Solution Approach 1:
The LED light source operates periodically rather than continuously - it activates only when motion is detected by the motion detectors. This periodic operation extends the effective service life of the LED while managing energy consumption, as the LED remains off during periods when no motion is present.
Solution Approach 2:
The system uses the motion detectors to automatically trigger the LED light source only when needed, eliminating the need for continuous operation. The motion detection capability serves itself by controlling the lighting function, optimizing both lifespan and energy efficiency.
3Adaptability or versatility
If motion detectors are spaced apart for 360° coverage, then motion detection capability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The 360° detection area is segmented into three equal 120° sectors, with each motion detector positioned at the apices of a triangular body. This geometric segmentation provides straightforward positioning guidelines that reduce manufacturing complexity while maintaining comprehensive coverage.
Solution Approach 2:
The patent specifies a generally triangular body configuration with detectors at the apices, which is an asymmetric arrangement that optimizes detection coverage. This specific geometric configuration provides clear manufacturing guidelines compared to symmetric arrangements, as the triangular shape naturally defines the detector positions.
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
The lantern provides reliable and adaptive lighting with motion detection capabilities, enhancing user safety and convenience in dark environments while minimizing setup complexity and extending product life through efficient energy use and durable components.
Implementation Method 1
one or more motion detectors may be provided on or within the body. The motion detectors may be selectively operably coupled to the light source, and/or to an alarm so that when the one or more motion detectors detects movement
Implementation Method 2
a light source (e.g., one or more LEDs) disposed on or within the body
Data Source
AI summary
A portable lantern may include a body that extends from a bottom portion to a top portion, and a light source disposed on or within the body (e.g., within the bottom portion or top portion). The lantern may advantageously include motion detection capabilities included therein. As such, the lantern may further include one or more motion detectors disposed on or within the body. In an embodiment, 3 motion detectors are provided, and the body is generally triangular, with a motion detector positioned at each apex of the generally triangular body. The motion detectors may be operatively coupled to the light source and/or an alarm so that upon detection of motion within the vicinity of the lantern, either the light source illuminates (from an initially dark configuration), the alarm sounds, or both. A plurality of modes of operation may be provided, allowing the user to select a desired mode.