Memory Card Adapter Protocol Detection
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Solution Overview
Problem
New information processing devices, such as game consoles, often lack memory card slots, necessitating an adapter to transfer data from conventional memory cards to these devices, while also requiring efficient handling of diverse memory cards with different protocol specifications.
Innovation Solution
An adapter apparatus with a processor that communicates at multiple speeds to determine the type of memory card and facilitate efficient data transfer between the memory card and the host device, using connectors and communication units to manage data exchange and protocol conversion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an adapter apparatus is used to transfer data from memory cards to new information processing devices, then compatibility with conventional devices is improved, but data transfer time increases
Solution Approach 1:
The adapter apparatus performs preliminary detection of the memory card type before actual data transfer operations. The determination processor detects the type of external memory medium in advance, allowing the system to pre-configure optimal communication parameters and protocols, thereby reducing data transfer time while maintaining compatibility across different memory card types
Solution Approach 2:
The adapter apparatus dynamically changes communication parameters based on the detected memory card type. The determination processor identifies the specific memory card type and adjusts communication speed, protocol, and other parameters accordingly, enabling efficient data transfer optimized for each card type while preserving broad compatibility
2Adaptability or versatility
If the information processing apparatus supports multiple memory card protocols, then adaptability to different memory cards is improved, but device complexity increases
Solution Approach 1:
The adapter apparatus serves as an intermediary between the host information processing device and various memory cards with different protocols. The determination processor detects memory card types and handles protocol conversion, allowing the host device to maintain simple architecture while achieving support for multiple memory card protocols through the adapter's mediation
Solution Approach 2:
The adapter apparatus consolidates multiple protocol handling capabilities into a single universal device. The determination processor can identify and adapt to different memory card types (SD, microSD, memory stick, etc.), providing universal compatibility without requiring the host device to incorporate multiple specialized interfaces
Data Source
AI summary
An adapter apparatus has a function of determining the type of a memory card, by communicating with the memory card at plural communication speeds and determining whether or not there is a response therefrom. A communication speed setting unit has a function of setting plural communication speeds for communication with the memory card, and a response determining unit determines whether or not there is a response to a type determination signal. A type determining unit determines the type of the memory card based on the communication speed set by the communication speed setting unit and whether or not there is a response to the type determination signal sent at the communication speed.