LED Television Simulator for Intruder Deterrence
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Solution Overview
Problem
Existing home security devices fail to convincingly simulate human occupancy, as they lack realism in shadow movements and light patterns, and are often energy-inefficient and impractical for extended use.
Innovation Solution
A method using low-powered LED light sources to simulate the intensity fades, swells, flicks, and steady periods of a television image, with digital logic to generate pseudo-random color-coordinated scene changes, allowing the device to be energy-efficient, portable, and easily positioned for realistic simulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional occupancy simulators use steady light sources with simple shadow casting mechanisms, then the device structure remains simple and easy to manufacture, but the realism of human presence simulation falls short
Solution Approach 1:
The patent applies dynamics by replacing steady light sources with dynamically controllable LED modules that can vary intensity, color temperature, and brightness in real-time. The control system dynamically adjusts lighting parameters to simulate television screen characteristics, including fading, swelling, flickering, and color changes, transforming a static system into a dynamic one that achieves realistic simulation effects.
Solution Approach 2:
The patent utilizes parameter changes by modifying multiple lighting parameters simultaneously - intensity, color temperature, brightness, and duration - to replicate the complex visual characteristics of television screens. The control system varies these parameters in specific patterns and sequences to simulate different television display modes, achieving high-fidelity simulation without requiring complex mechanical structures.
2Use of energy by stationary object
If occupancy simulators use incandescent bulbs or early LED designs, then the device can be powered simply, but energy efficiency deteriorates and operational duration is limited
Solution Approach 1:
The patent applies parameter changes by switching from incandescent bulbs to modern LED technology, fundamentally changing the energy conversion efficiency parameter. LEDs convert electrical energy to light energy with minimal heat loss, dramatically improving energy efficiency while enabling extended operational duration through lower power consumption and longer component lifespan.
Solution Approach 2:
The patent replaces the thermal-mechanical incandescent bulb system with an electronic LED system. This substitution eliminates the filament heating mechanism, reducing energy loss through heat generation and enabling more efficient, prolonged operation without the burnout limitations of traditional bulb-based systems.
3Manufacturing precision
If simulators use simple flashing light mechanisms, then the device structure remains simple, but the ability to simulate complex television broadcast patterns deteriorates
Solution Approach 1:
The patent replaces simple mechanical flashing mechanisms with an electronic control system that manages LED modules. This electronic substitution enables precise control of light output patterns, including fading, swelling, flickering, and color transitions, achieving accurate simulation of complex television broadcast patterns through software-controlled electronic switching rather than mechanical complexity.
Solution Approach 2:
The patent applies dynamics by implementing real-time control of lighting parameters through a microprocessor-based system. The control logic dynamically adjusts intensity, color, and timing based on simulated television program content, enabling accurate reproduction of complex broadcast patterns such as scene transitions, fades, swells, and color changes without requiring equally complex mechanical structures.
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 solution provides a realistic and energy-efficient simulation of an operating television, deterring intruders while being inexpensive, reliable, and easy to use, operating from either household electricity or batteries.
Implementation Method 1
A method for accurately simulating a television image uses intensity fades, swells, flicks, steady periods, and varying realistic colors through a long-lasting and energy-efficient LED light source
Data Source
AI summary
Method and apparatus for simulating an operating television for the purpose of deterring potential intruders by providing the appearance that one or more occupants are at home. Realistic simulation of a television is accomplished via perceived random combinations, amplitudes, colors, and durations of television program scene modes, these scene modes comprised of fades, swells, flicks, and static periods. Efficient, reliable, and inexpensive super-bright LEDs serve as light sources.