Projection Device Personalized Startup Image Handling
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Solution Overview
Problem
Existing projector systems require high computing power and cumbersome processes for users to set personalized startup images, which increases the burden on hardware and complicates user operation.
Innovation Solution
A projection device with an information input unit, storage unit, scaling unit, image processing unit, and projection unit that receives and stores compressed personalized startup image files, allowing users to switch between personalized and preset images without the need for additional image processing, using multiple storage blocks to store both types of images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the projector performs image processing and conversion operations to set personalized startup images, then the personalized service capability is improved, but the computing power requirement and hardware burden increase
Solution Approach 1:
The patent extracts the image processing and conversion operations from the projector's hardware to the remote device (smartphone, tablet, or computer). The projector only needs to display images received from the remote device, eliminating the need for high computing power chips and complex image processing capabilities within the projector itself.
Solution Approach 2:
The patent introduces a remote device as an intermediary between the user and the projector. The remote device captures the image, performs any necessary processing, and transmits the image to the projector for display. This mediator handles the computationally intensive tasks, allowing the projector to remain simple in terms of hardware requirements.
2Adaptability or versatility
If the projector includes image processing and conversion functions for personalized startup images, then the functionality is improved, but the device complexity increases
Solution Approach 1:
The patent removes image processing and conversion functions from the projector's hardware architecture. These functions are extracted and relocated to software or external devices, significantly reducing the projector's hardware complexity while preserving the personalized image display functionality.
Solution Approach 2:
The patent makes the projector's image display function universal by accepting images from various sources (remote devices, storage media) without requiring specialized processing hardware. The projector serves multiple purposes - displaying personalized startup images, regular content, and images from different sources - through a simple, unified display mechanism.
3Manufacturing precision
If the projector processes and converts captured images for startup screen display, then the image quality is improved, but the processing time and operational complexity increase
Solution Approach 1:
The patent performs image capture, processing, and preparation in advance using the remote device before transmission to the projector. The image is ready for display when received, eliminating the need for time-consuming processing during the projector's startup sequence and reducing operational complexity.
Data Source
AI summary
A projection device having an information input unit, a storage unit, a scaling unit, an image processing unit and a projection unit is provided. The information input unit receives the image file corresponded to a compressed personalized startup image file. The storage unit has a first storage block storing a preset startup image file and a second storage block. The scaling unit generates a projected image signal according to the compressed personalized startup image file, and the scaling unit stores the compressed personalized startup image file in the at least one second storage block. The image processing unit generates a projection control signal according to the projected image signal. The projection unit generates an image beam according to the projection control signal, and projects the image beam on a projection surface to form the startup image screen. The disclosure further provides a personalized startup image setting method.