Electronic Pen Identification With Resonant Frequency Channels
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Solution Overview
Problem
Existing electronic devices struggle to identify and connect with the correct electronic pen when multiple pens are present, and lack intuitive control mechanisms for pen operation.
Innovation Solution
The electronic device and pen communicate via resonant frequencies to establish connection, and the device notifies the user of the connected pen through visual cues and controls, enabling seamless interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the electronic device receives touch input from multiple electronic pens using the same frequency, then the device can detect touch inputs, but it cannot identify which specific pen is touching the display
Solution Approach 1:
The patent segments the single resonant frequency into multiple distinct frequencies, with each frequency corresponding to a specific electronic pen. This allows the electronic device to differentiate between multiple pens by detecting which frequency is being transmitted, thereby solving the identification problem while maintaining touch input functionality.
Solution Approach 2:
The patent changes the frequency parameter of the resonant signal to encode pen identity information. Each electronic pen is assigned a unique frequency within the resonant range, allowing the electronic device to identify the specific pen by detecting the frequency of the transmitted signal rather than relying solely on touch detection.
2Ease of operation
If the electronic device establishes communication connection with an electronic pen, then it can provide various functions, but it is inconvenient to control the pen as the control menu is created only when the user touches the display
Solution Approach 1:
The patent implements preliminary action by creating the electronic pen control menu automatically when communication connection is established, rather than waiting for user touch input. This allows users to access pen control functions immediately after connection, improving convenience while maintaining a straightforward control mechanism.
Solution Approach 2:
The system performs self-service by automatically detecting the communication connection state and generating the appropriate control menu without requiring user initiation through touch. The electronic device autonomously manages the control interface based on the connection status, reducing the need for complex user interactions.
3Adaptability or versatility
If the electronic device uses a single resonant frequency for communication, then the communication mechanism is simple, but it cannot support multiple electronic pens simultaneously
Solution Approach 1:
The patent segments the resonant frequency range into multiple discrete frequency channels, with each channel assigned to a specific electronic pen. This allows the electronic device to support multiple pens simultaneously by detecting and processing different frequency segments, thereby achieving multi-pen versatility while maintaining relatively simple frequency management through systematic segmentation.
Solution Approach 2:
The patent implements multi-functionality by enabling the electronic device to communicate with multiple electronic pens using the same resonant communication mechanism, simply by assigning different frequencies. This allows a single communication system to serve multiple pens without requiring fundamentally different communication protocols for each pen.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates accurate pen identification and connection, enhancing user experience by providing intuitive control and reducing confusion when multiple pens are used.
Implementation Method 1
The electronic device and pen communicate via resonant frequencies to establish connection
Data Source
AI summary
A notification and connection method for an electronic pen is provided. Aspects include receiving a touch input of a first electronic pen to a display, identifying whether the first electronic pen is connected to an electronic device through a communication module in response to receiving the touch input, and identifying whether a second electronic pen is connected to the electronic device in response to identifying that the first electronic pen is not connected to the electronic device. Aspects also include transmitting a notification signal to the second electronic pen in response to identifying that the second electronic pen connected to the electronic device is present and establishing communication connection with the first electronic pen in response to identifying that the second electronic pen is not connected to the electronic device.