Image Display Control Device Mode Switching
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Solution Overview
Problem
Conventional electronic blackboards lack effective image-displaying functionality and usability, particularly in switching between operational modes for creating, deleting, and operating images displayed on information processing apparatuses.
Innovation Solution
An image display control device with a display control unit, obtaining unit, drawing unit, deleting unit, and operating unit, utilizing contact or proximity position information from a drawing device to generate, compose, and delete images, and operate information processing apparatuses, with a computer program product and image display system that includes a display device, information processing apparatus, drawing device, and coordinate sensor to enhance usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional electronic blackboard displays image of information processing apparatus, then display function is provided, but operability and usability are inadequate
Solution Approach 1:
The drawing device is designed to perform multiple functions through mode switching. By pressing different buttons (first button for drawing mode, second button for deletion mode, third button for operation mode), the same physical device can create drawn images, delete them, or operate the information processing apparatus. This multi-functionality resolves the contradiction by enabling one device to adapt to various operational needs without requiring separate specialized devices for each function.
Solution Approach 2:
The system dynamically switches between different operational modes based on user input. The drawing device transitions between drawing mode, deletion mode, and operation mode through button presses, allowing the system to adapt its behavior to the current task requirements. This dynamic mode switching enhances both operability (through intuitive mode changes) and versatility (by providing multiple functional capabilities).
2Adaptability or versatility
If drawing device creates drawn image, then image creation function is added, but mode switching complexity increases
Solution Approach 1:
The mode switching mechanism is segmented into distinct, dedicated buttons rather than using a single complex control. The drawing device has a switching unit with multiple buttons (first button for drawing, second button for deletion, third button for operation), where each button is responsible for a specific function. This segmentation simplifies the user interface by making each mode accessible through a dedicated control, reducing the perceived complexity despite providing multiple functions.
Solution Approach 2:
The drawing device automatically manages mode transitions based on simple button presses without requiring complex configuration or programming by the user. The system self-services by interpreting the button presses and automatically switching between drawing mode, deletion mode, and operation mode, thereby adding image creation capability while keeping the interaction model simple and intuitive.
3Manufacturing precision
If contact position information is obtained for drawn image generation, then drawing precision is improved, but system complexity increases
Solution Approach 1:
The system introduces a coordinate sensor as an intermediary component that specifically handles the complex task of obtaining contact position information. This sensor acts as a mediator between the drawing device and the control unit, converting physical contact positions into usable coordinate data. By isolating the sensing function in a dedicated intermediary component, the system achieves high drawing precision through accurate coordinate capture while managing complexity through functional separation.
Data Source
AI summary
An image display control device according to the present invention includes a display control unit, an obtaining unit, a drawing unit, a deleting unit, and an operating unit. The display control unit displays an image on a display device. The obtaining unit obtains contact position information or proximity position information of a drawing device, which is relative to a display area of the display device. The drawing unit generates a drawn image, compose a display image of an information processing apparatus with the drawn image, and displays the composite image on the display device. The deleting unit deletes the drawn image from the displayed image, and display on the display device. The operating unit operates the information processing apparatus. The drawing device switches and specifies a generation and deletion of the drawn image, and an operation of the information processing apparatus.