Display Controller Automatic Mode Switching via Connection Detection
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Solution Overview
Problem
Existing display apparatuses with interactive functions require manual switching between drawing and operation modes, which is inconvenient for users and necessitates pre-setting the interface for PC operation mode.
Innovation Solution
A display apparatus with a controller that automatically switches between drawing and operation modes based on connection detection, using a plurality of input sections and storing source information to select the appropriate interface for the operation mode when connected to an information terminal apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual switching between drawing mode and operation mode is implemented, then the display apparatus can support both interactive drawing and PC operation functions, but the user convenience deteriorates due to the need for manual mode switching
Solution Approach 1:
The display apparatus automatically detects the connection state of the information terminal apparatus and switches between drawing mode and operation mode without requiring manual user input. The controller monitors the connection detector's output and autonomously determines which mode to execute, making the system self-serve the user's needs based on the detected connection state.
2Adaptability or versatility
If multiple input sections are provided for different connection types, then the display apparatus can support various information terminal apparatus connections, but the complexity of pre-setting the interface increases
Solution Approach 1:
The display apparatus automatically selects the appropriate input section based on which connection detector detects the information terminal apparatus. This automatic selection eliminates the need for users to manually configure or pre-set which input section to use, reducing the complexity of interface settings while maintaining support for multiple connection types.
Solution Approach 2:
The connection detectors provide feedback to the controller about the connection state of the information terminal apparatus. Based on this feedback, the controller automatically determines which input section is connected and selects it accordingly, creating a closed-loop system that adapts to the actual connection state without user intervention.
3Ease of operation
If automatic mode switching based on connection detection is implemented, then user convenience is improved, but the device complexity increases due to additional detection and control logic
Solution Approach 1:
The connection detector continuously monitors the connection state and provides feedback to the controller. The controller uses this feedback to automatically switch between drawing mode and operation mode, creating a simple feedback-based control system that improves user convenience without requiring complex algorithms or multiple sensors.
Data Source
AI summary
Display apparatus including plurality of input sections, communication section, connection detector that detects connection between information terminal apparatus and communication section via cable, position information generator that generates position information on position on a display surface at which pointing element points, display section that displays an image on display surface, controller that executes first mode that causes display section to display image based on image information and position information and second mode that causes display section to display image based on image information and operates information terminal apparatus based on position information wherein two modes are switchable from one to the other, and storage that stores source information on use result representing input section used in execution of second mode, and when connection detector detects connection, controller selects one of the plurality of input sections based on source information and executes second mode.