Mobile Terminal Hard Disc Drive USB Interface Data Exchange
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Solution Overview
Problem
Conventional mobile phones have limited data storage capacity and restricted data exchange capabilities, preventing them from functioning as portable disc drives for external data storage and exchange with PCs.
Innovation Solution
A mobile terminal apparatus and method that utilizes a USB interface to recognize the device as a portable disc drive, allowing data exchange between a mobile terminal and a PC, with data stored in either the phone memory or an auxiliary hard disc drive, enabling increased storage capacity and flexible data management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If data are stored only in the phone memory of a conventional mobile terminal, then the terminal can maintain its portability and basic functionality, but the storage capacity is limited and data exchange with external PCs is restricted
Solution Approach 1:
The patent embeds a hard disc drive within the mobile terminal's internal structure, nesting the auxiliary storage device inside the existing terminal housing. This allows the terminal to gain extensive storage capacity while maintaining its portable form factor, as the hard disc is integrated into the terminal's body rather than requiring external accessories
Solution Approach 2:
The patent divides the storage system into two separate segments: phone memory for essential terminal operations and a hard disc drive for auxiliary data storage. This segmentation allows each storage component to serve its specific function optimally, with the hard disc providing large-capacity storage for media files and backups without interfering with the phone memory's role in system operations
2Quantity of substance
If an auxiliary hard disc drive is added to increase storage capacity, then more data can be stored and exchanged with PCs, but the device complexity and structural design become more challenging
Solution Approach 1:
The hard disc drive is designed to serve multiple functions: it acts as auxiliary storage for the mobile terminal, functions as a portable disc drive when connected to PCs via USB interface, and provides backup storage capacity. This multi-functionality justifies the added manufacturing complexity by delivering versatile value across different usage scenarios
Solution Approach 2:
The patent introduces a USB interface as an intermediary communication channel between the mobile terminal and external PCs. This intermediary enables data exchange between the hard disc drive and external systems without requiring direct physical connections or complex proprietary interfaces, simplifying the overall system integration
3Adaptability or versatility
If the mobile terminal is designed with restricted data storage in phone memory only, then the terminal structure remains simple, but the terminal cannot function as a portable disc drive for external data exchange
Solution Approach 1:
The patent implements dynamic storage management where the system can automatically or manually select between phone memory and hard disc drive for data storage and retrieval operations. The USB interface dynamically activates the hard disc drive when external PC connection is detected, enabling the terminal to adapt its functionality between mobile-only mode and portable disc drive mode based on usage context
Data Source
AI summary
Disclosed is a mobile terminal and in particular a data storing and reading method of a mobile terminal which makes it possible to perform mutual data exchange between a mobile terminal and a personal computer (PC) by using a universal serial bus interface (USB). For this purpose, there is provided a method and apparatus for storing and reading data in a mobile terminal connected with a PC through a USB interface, wherein the method comprises steps of: detecting whether the mobile terminal is powered on and connected with the PC; recognizing the mobile terminal as a portable disc drive if it is detected that the mobile terminal is connected with the PC; at a write mode for storing data after the mobile terminal is recognized as a portable disc drive, storing data in one of a phone memory installed in the mobile terminal and an auxiliary memory according to a preset storing mode; and at a read mode for reading out and transmitting stored data after the mobile terminal is recognized as a portable disc drive, reading out and transmitting corresponding data from the phone memory or the auxiliary memory, that is stored with data desired to be read out.