Configurable Stylus Position Indicator for Multi-System Compatibility
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing position indicators are required for each specific configuration type of position detection systems, leading to increased cost and cumbersome management for users.
Innovation Solution
A position indicator equipped with a communication circuit for initial setting based on signals from an outer device, a configuration circuit for switching settings, and a control circuit for controlling stylus position signal transmission and reception, allowing compatibility with multiple configuration types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a position indicator is designed for a specific configuration type of position detection system, then compatibility with that specific system is ensured, but the user must carry and manage multiple position indicators for different systems
Solution Approach 1:
The position indicator is designed with a configuration circuit that can switch between multiple configuration types (first configuration type for electromagnetic coupling, second configuration type for capacitive coupling). This allows a single position indicator to be universally compatible with different position detection systems by dynamically changing its operational mode based on the detected system type.
Solution Approach 2:
The position indicator employs a configuration circuit that dynamically adjusts its configuration based on the type of position detection system it detects. The circuit can switch between different operational modes (electromagnetic coupling mode and capacitive coupling mode) in real-time, making the position indicator adaptive rather than static.
2Reliability
If multiple configuration types of position indicators are provided for different position detection systems, then each system has a dedicated compatible indicator, but the cost burden on the user increases
Solution Approach 1:
The position indicator integrates multiple configuration types within a single device. The configuration circuit can operate in electromagnetic coupling mode (first configuration type) or capacitive coupling mode (second configuration type), eliminating the need for users to purchase and manage multiple separate position indicators for different systems.
3Device complexity
If a position indicator uses passive type configuration without signal transmission, then the structure is simplified, but position detection sensitivity is reduced
Solution Approach 1:
The position indicator dynamically switches between passive type configuration (without signal transmission) and active type configuration (with signal transmission) based on the operational requirements and detected system type. This allows the device to maintain simplicity when passive operation suffices while enabling enhanced sensitivity when needed.
Data Source
AI summary
A single position indicator that can be used with a plurality of different types of position detection systems. The position indicator includes a communication circuit which, in operation, communicates with an outer device, a configuration circuit which, in operation, performs an initial setting process based on a signal from the outer device, a signal generation circuit which, in operation, generates a stylus position signal, and a control circuit. The control circuit, in operation, controls transmission of the stylus position signal based on an initial setting of at least one switch circuit that is set by the initial setting process performed by the configuration circuit, and controls reception of a signal received from the outer device via the communication circuit.