Projector Output Control for Multi-Source Image Operation
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Solution Overview
Problem
Existing display devices cannot perform processing on images input from a personal computer in response to a pointed location on the display surface, and projectors do not output location information to the personal computer, limiting the ability to perform operations on the displayed images.
Innovation Solution
A display device with a display unit, detection unit, output control unit, and output unit that detects the operation location on the display surface and outputs this information to the corresponding image supply device, allowing for processing of the image data in response to the operation, such as changing image data or displaying operation images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a display device displays images from multiple image supply devices, then the ability to display multiple images is improved, but the ability to perform processing on the input image in response to pointed location is lost
Solution Approach 1:
The display device includes a detection unit that detects the pointed location on the display surface, and an output unit that outputs this location information back to the corresponding image supply device. This feedback mechanism enables the image supply device to receive the pointed location information and perform appropriate processing operations on the displayed image, thus resolving the contradiction between displaying multiple images and maintaining operational capability.
Solution Approach 2:
The display device acts as an intermediary between the pointing tool and the image supply device. It detects the pointed location on the display surface and transmits this information to the appropriate image supply device, enabling communication and coordination between components that would otherwise be disconnected, thus allowing processing operations on displayed images from multiple sources.
2Adaptability or versatility
If a projector displays cursor information from a personal computer, then the cursor display capability is improved, but the ability to output location information to the personal computer is lost
Solution Approach 1:
The projector includes a detection unit that detects the pointed location on the display surface and an output unit that sends this location information back to the personal computer. This creates a feedback loop where the projector not only displays cursor information received from the personal computer but also returns precise location information to the personal computer, eliminating the one-way information flow limitation.
3Measurement precision
If a display device detects pointed location on display surface, then the location detection capability is improved, but the ability to perform processing on the input image itself is lost
Solution Approach 1:
The display device serves as an intermediary that bridges the gap between location detection and image processing. It detects the precise pointed location on the display surface and transmits this information to the corresponding image supply device, which then performs the appropriate processing operations on the input image, thus maintaining both detection precision and processing capability.
Solution Approach 2:
The system establishes a feedback mechanism where the detected pointed location information is transmitted back to the image supply device. This enables the image supply device to receive precise location information and execute processing operations on the input image corresponding to the pointed location, thereby maintaining both detection capability and processing functionality.
Data Source
AI summary
A projector includes a projection unit that displays an image on a screen, a control unit that allows the projection unit to display a plurality of images based on image data input from a plurality of PCs, a location detection unit that detects an operation location by a pointing tool, an output control unit that selects the PC based on the operation location detected by the location detection unit and a display location of the image on the screen, and an output switching unit that outputs coordinates of the operation location to the PC selected by the output control unit.