Adapter for Electronic Devices with Dual Authentication
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Solution Overview
Problem
Portable media players with different connector sizes and configurations often lead to incompatibility issues with accessories, resulting in physical and electrical mismatches that prevent successful communication and data exchange.
Innovation Solution
An adapter with a receptacle connector to mate with a plug connector on an accessory and a plug connector to mate with a portable media player, featuring conversion circuitry to address both physical and electrical incompatibilities, as well as authentication circuitry for secure communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different connector sizes and configurations are used in portable media players, then device design flexibility and manufacturer differentiation are improved, but compatibility with accessories deteriorates
Solution Approach 1:
The patent introduces an adapter as an intermediary device that bridges the gap between incompatible connectors. The adapter includes a first connector that interfaces with the portable media player and a second connector that interfaces with the accessory, thereby mediating the connection and enabling compatibility between different connector types without requiring changes to the original devices.
2Productivity
If connector configurations are changed across device generations, then device advancement and miniaturization are improved, but compatibility with legacy accessories deteriorates
Solution Approach 1:
The adapter serves multiple functions: it provides physical connection compatibility, electrical signal conversion, and protocol translation. By making the adapter universal in its capabilities, it can support various connector types and accessory configurations, allowing both newer and legacy accessories to work with advanced devices that have different connector specifications.
3Reliability
If authentication protocols are implemented between device and accessory, then security and authorized communication are improved, but compatibility with unauthenticated accessories deteriorates
Solution Approach 1:
The adapter acts as an authentication intermediary by implementing authentication circuitry that can verify accessories according to the host device's protocol. The adapter translates authentication requests and responses between different protocols, allowing accessories designed for different devices to be authenticated and communicate securely with the host device.
4Ease of operation
If electrical connections are made between different connector types, then physical compatibility is improved, but electrical incompatibility causes signal and power mismatches
Solution Approach 1:
The adapter includes conversion circuitry that changes electrical parameters such as voltage levels, signal timing, and communication protocols. This parameter transformation enables electrical compatibility between connectors that have different electrical specifications, allowing signals and power to be properly transmitted between the host device and accessory despite their electrical differences.
Data Source
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AI summary
An adapter for connecting an accessory to a portable electronic device includes a first connector compatible with a connector of the portable electronic device and a second connector compatible with a connector of the accessory. The connectors of the accessory and the portable electronic device are otherwise incompatible with each other. The adapter provides two levels of authentication. First, the adapter authenticates itself to the portable electronic device. If this first authentication is successful, then the adapter authenticates the accessory to the adapter.