Projector Mode Switching for Image Projection and Ambient Lighting
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Solution Overview
Problem
Existing electronic apparatuses with projector functions are limited in expanding usability beyond image projection and sound output, lacking additional functionalities that enhance user experience.
Innovation Solution
An electronic apparatus that can switch between projection mode and lighting mode, adjusting brightness and color based on detected events, such as a cover being coupled, using sensors for illuminance and color information, and controlling LED devices to project light for lighting purposes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the projector projects light at high brightness for image projection, then the image quality is improved, but the device cannot provide lighting function
Solution Approach 1:
The patent implements dynamic mode switching between projection mode and lighting mode based on detected events (such as cover coupling). The projector adapts its brightness characteristics dynamically: in projection mode it operates at first brightness for image quality, while in lighting mode it operates at second brightness for illumination, resolving the contradiction between maintaining image projection capability and providing lighting function.
2Adaptability or versatility
If the projector operates in projection mode with fixed brightness, then the projection function is stable, but the device lacks additional usability
Solution Approach 1:
The patent employs event-based automatic mode switching where the system self-detects conditions (such as cover coupling detected by sensors) and automatically transitions between projection mode and lighting mode without requiring manual user intervention. This expands usability while keeping the control system relatively simple, as the mode switching is triggered automatically by environmental events rather than complex user interfaces.
3Illumination intensity
If the projector switches to lighting mode with reduced brightness, then the lighting function is activated, but the projection image quality deteriorates
Solution Approach 1:
The patent segments the operational characteristics of the projector into distinct modes: projection mode with first brightness optimized for image quality, and lighting mode with second brightness optimized for illumination. By separating these functions into distinct operational segments triggered by events, the system can optimize each mode independently without compromising the other, as each mode activates only when needed rather than operating simultaneously at compromised performance levels.
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
Expands the usability of electronic apparatuses by utilizing projecting light as lighting, enhancing user experience through adjustable brightness and color projection based on detected events.
Implementation Method 1
detect whether the cover is coupled on the projector based on first illuminance information detected by the illuminance sensor
Implementation Method 2
color information detected by the color sensor
Implementation Method 3
control the projector to project light at a second brightness which is less than the first brightness
Implementation Method 4
The projector may include a plurality of light-emitting diode (LED) devices
Data Source
AI summary
An electronic apparatus and a control method thereof are provided. The electronic apparatus includes a projector, a memory configured to store instructions and a processor configured to execute the instructions to control the projector to operate in a projection mode in which the projector projects light at a first brightness to project a first image, detect an event while operating in the projection mode, enter a lighting mode based on the detected event, and control, based on entering the lighting mode, the projector to project light at a second brightness which is less than the first brightness.