NFC Wireless Power and Data Transfer for Accessory Apparatus
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Solution Overview
Problem
Existing electronic devices face challenges in powering and data transfer to accessory apparatuses without pre-formed holes, limiting their functionality and compatibility.
Innovation Solution
The implementation of wireless power and data transfer capabilities between electronic devices and accessory apparatuses using NFC protocols, allowing for detection of external devices and switching between operation modes to facilitate data reading and power transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless power and data transfer using NFC protocols is implemented, then compatibility and functionality are improved, but device complexity increases
Solution Approach 1:
The electronic device implements multiple operation modes (first mode and second mode) within a single NFC communication interface, allowing it to universally support different types of external electronic devices (first type and second type) without requiring separate hardware configurations. This multi-functionality approach enables one device to handle diverse communication protocols and power transfer methods, thereby improving compatibility while managing complexity through software-based mode switching rather than hardware proliferation
2Adaptability or versatility
If operation modes are switched based on external device detection, then adaptability is improved, but detection and control difficulty increases
Solution Approach 1:
The electronic device performs preliminary detection of external electronic devices before establishing full communication, identifying device types and required operation modes in advance. This preliminary action allows the system to prepare appropriate communication protocols and power transfer parameters beforehand, making the subsequent mode switching smoother and reducing the complexity of real-time detection and control during active operation
3Ease of manufacture
If power and data transfer is enabled without pre-formed holes, then ease of manufacture is improved, but power transfer reliability may be affected
Solution Approach 1:
The patent replaces traditional mechanical connection methods (pre-formed holes requiring physical plugs or contacts) with wireless NFC-based power and data transfer. This substitution eliminates the need for precise mechanical alignment and physical hole formation, significantly improving ease of manufacture. The wireless electromagnetic field-based transfer maintains reliability through protocol-level error correction and authentication mechanisms inherent in NFC technology
Data Source
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AI summary
An accessory apparatus and an information display method are provided. The accessory apparatus include a housing, a display exposed through a first portion of the housing, a conductive pattern, a wireless communication circuit configured to support a short-range wireless communication protocol, at least one processor, and a memory, wherein the memory stores instructions that allow the at least one processor to control the wireless communication circuit to operate in the first mode, operate in the second mode in which the second type of external electronic device is allowed to read the second data for the second time period following the first time period, detect the existence of the second type of external electronic device at one or more points of time in the first time period, and switch into the second mode when the existence of the second type of external electronic device is detected.